Fungi cause plant diseases in landscapes and on farms. There's more to fungi than plant diseases, though. This presentation takes a look at some of the fungi that homeowners may encounter in their backyards.
International Journal of Virology Studies & Research (IJVSR) ISSN:2330-0027 is a comprehensive, peer reviewed journal devoted to Virology Studies & Research. IJVSR, published by SciDoc is an open access journal that includes high quality papers, which covers all major areas of Virology Studies & Research. SciDoc with its Open Access publication model spreads all the day-to-day developments and research to readers around the world.
Wolbachia based strategies to control insect pests and disease vectorsIGKV, Raipur
ย
Wolbachia is an intracellular bacteria that can manipulate the reproduction of insect hosts. It induces various effects including cytoplasmic incompatibility, feminization, parthenogenesis, and male-killing. These properties allow Wolbachia to spread through insect populations and are being explored for novel biocontrol strategies like incompatible insect technique, population replacement, and life-shortening of disease vectors. While the mechanisms behind various Wolbachia-induced effects are still being studied, some strategies have shown success in suppressing mosquito populations and reducing disease transmission.
Relation of Insect Endosymbionts with Immunity System.Mandar Thakur
ย
This document discusses the relationship between insect endosymbionts and the insect immunity system. It describes how endosymbionts like Wolbachia and Spiroplasma can provide benefits to insects like increased resistance to pathogens. The document outlines the types of immunity in insects and how endosymbionts can enhance both humoral and cellular immunity through increased antimicrobial peptide production and immune gene expression. Several studies are cited showing endosymbionts reduce susceptibility of insects to bacterial, viral, parasitic and parasitoid infections. The conclusion discusses using endosymbionts to help control mosquito-borne diseases and illnesses in beneficial insects.
This document discusses estimates of global biodiversity and the importance of maintaining species diversity. It notes that there may be over 50 million species globally, with millions of insects, fish, birds, and other animals. Diversity is important for ecosystem functioning, productivity, and providing resources like medicine. Coexistence of species is enabled by processes like allopatric and sympatric speciation, as well as niche differentiation and partitioning of resources. Interactions between species like mutualism, competition, and predation also influence diversity. Microbes like mycorrhizal fungi play key roles in nutrient cycling and may help seedling establishment through networks in the soil. Early advantages and negative feedbacks over time also influence coexistence of plant species within
Quantifying your Superorganism: Your Gut Microbiome and its Interactions with...Larry Smarr
ย
This document summarizes a lecture given by Dr. Larry Smarr on quantifying one's gut microbiome and its interactions with the immune system. Dr. Smarr discussed how analyzing his own medical data over many years revealed he had an autoimmune disease like inflammatory bowel disease (IBD). By sequencing his microbiome, he found major shifts between healthy and IBD states, with collapses in some bacterial phyla and explosions in others. Dr. Smarr's therapy reduced two phyla greatly but massive reductions remained, leaving him "trapped" in an unfavorable microbial ecology. However, he is now able to track his microbiome over time using new technologies, giving him data and hope to improve his condition.
- Insects have evolved symbiotic relationships with bacteria and other microorganisms over 250 million years. These endosymbionts can be found inside insects' cells, between cells, and in their guts.
- Endosymbionts play important roles in insect nutrition, defense, reproduction, and environmental adaptation. For example, Buchnera provides essential amino acids to aphids.
- Wolbachia is one of the most common endosymbionts and can manipulate insect reproduction through mechanisms like cytoplasmic incompatibility, parthenogenesis, feminization, and male-killing. Studying endosymbionts enhances understanding of evolution, disease control, and biocontrol applications
The document discusses several select agents that pose threats to public health and safety. It provides background on natural histories and transmission routes of agents like Bacillus anthracis, Vibrio cholerae, Franciscella tularensis. It also discusses challenges of emerging infectious diseases, methods for detecting known and new agents, and challenges related to water systems.
International Journal of Virology Studies & Research (IJVSR) ISSN:2330-0027 is a comprehensive, peer reviewed journal devoted to Virology Studies & Research. IJVSR, published by SciDoc is an open access journal that includes high quality papers, which covers all major areas of Virology Studies & Research. SciDoc with its Open Access publication model spreads all the day-to-day developments and research to readers around the world.
Wolbachia based strategies to control insect pests and disease vectorsIGKV, Raipur
ย
Wolbachia is an intracellular bacteria that can manipulate the reproduction of insect hosts. It induces various effects including cytoplasmic incompatibility, feminization, parthenogenesis, and male-killing. These properties allow Wolbachia to spread through insect populations and are being explored for novel biocontrol strategies like incompatible insect technique, population replacement, and life-shortening of disease vectors. While the mechanisms behind various Wolbachia-induced effects are still being studied, some strategies have shown success in suppressing mosquito populations and reducing disease transmission.
Relation of Insect Endosymbionts with Immunity System.Mandar Thakur
ย
This document discusses the relationship between insect endosymbionts and the insect immunity system. It describes how endosymbionts like Wolbachia and Spiroplasma can provide benefits to insects like increased resistance to pathogens. The document outlines the types of immunity in insects and how endosymbionts can enhance both humoral and cellular immunity through increased antimicrobial peptide production and immune gene expression. Several studies are cited showing endosymbionts reduce susceptibility of insects to bacterial, viral, parasitic and parasitoid infections. The conclusion discusses using endosymbionts to help control mosquito-borne diseases and illnesses in beneficial insects.
This document discusses estimates of global biodiversity and the importance of maintaining species diversity. It notes that there may be over 50 million species globally, with millions of insects, fish, birds, and other animals. Diversity is important for ecosystem functioning, productivity, and providing resources like medicine. Coexistence of species is enabled by processes like allopatric and sympatric speciation, as well as niche differentiation and partitioning of resources. Interactions between species like mutualism, competition, and predation also influence diversity. Microbes like mycorrhizal fungi play key roles in nutrient cycling and may help seedling establishment through networks in the soil. Early advantages and negative feedbacks over time also influence coexistence of plant species within
Quantifying your Superorganism: Your Gut Microbiome and its Interactions with...Larry Smarr
ย
This document summarizes a lecture given by Dr. Larry Smarr on quantifying one's gut microbiome and its interactions with the immune system. Dr. Smarr discussed how analyzing his own medical data over many years revealed he had an autoimmune disease like inflammatory bowel disease (IBD). By sequencing his microbiome, he found major shifts between healthy and IBD states, with collapses in some bacterial phyla and explosions in others. Dr. Smarr's therapy reduced two phyla greatly but massive reductions remained, leaving him "trapped" in an unfavorable microbial ecology. However, he is now able to track his microbiome over time using new technologies, giving him data and hope to improve his condition.
- Insects have evolved symbiotic relationships with bacteria and other microorganisms over 250 million years. These endosymbionts can be found inside insects' cells, between cells, and in their guts.
- Endosymbionts play important roles in insect nutrition, defense, reproduction, and environmental adaptation. For example, Buchnera provides essential amino acids to aphids.
- Wolbachia is one of the most common endosymbionts and can manipulate insect reproduction through mechanisms like cytoplasmic incompatibility, parthenogenesis, feminization, and male-killing. Studying endosymbionts enhances understanding of evolution, disease control, and biocontrol applications
The document discusses several select agents that pose threats to public health and safety. It provides background on natural histories and transmission routes of agents like Bacillus anthracis, Vibrio cholerae, Franciscella tularensis. It also discusses challenges of emerging infectious diseases, methods for detecting known and new agents, and challenges related to water systems.
The document discusses the development of Phytophthora and Pythium databases to support the identification and monitoring of these major plant pathogen groups. It describes the objectives of building a cyberinfrastructure to archive genotype, phenotype and distribution data on Phytophthora species/isolates. The Phytophthora Database provides tools for sequence analysis, phylogenetic analysis and molecular identification. Future directions include expanding to other plant pathogen databases and integrating genomic and geospatial data.
Wolbachia the biology of cytoplasmic incompatibilitybharathichellam
ย
This bacterial studies are under research. It will much useful for agricultural industry. One can clearly understand the role of wolbachia in the arthropods and also how they reduce the population of such arthropods through cytoplasmic incompatibility.
Researchers have genetically modified a bacteria, Pantoes agglomerans, that lives naturally in the gut of mosquitoes. The modified bacteria produces proteins that destroy Plasmodium oocysts, which are early forms of the malaria parasite, reducing malaria infection rates in mosquitoes by 98%. Another approach uses GM mosquitoes with an added gene that kills them as larvae if not given tetracycline, decreasing wild mosquito populations over time. However, long term safety testing of GM mosquitoes interacting with the environment and humans has not been conducted.
Bacillus anthracis is the bacteria that causes anthrax. It forms spores that allow it to survive for over 1000 years in dormancy. There are three types of anthrax infections - cutaneous, inhalation, and gastrointestinal. Anthrax spores were used in a bioterrorism attack in 2001 in the United States involving letters sent through the postal service. Vaccination of US military members against anthrax was mandated in 1999 and caused some controversy over personal rights to refuse vaccination.
This document discusses bacterial source tracking (BST) as a potential tool to identify the source of fecal contamination in drinking water wells. It provides an overview of BST methods, which use genetic markers to detect the presence of specific types of bacteria that indicate contamination from humans, livestock, wildlife or other sources. The document describes a study that used BST to analyze samples from 8 wells in Texas that previously tested positive for E.coli. The results found evidence of ruminant (cow/goat/sheep) fecal contamination in 5 of the 8 wells, but no conclusive evidence of human, hog, or horse sources. The study highlights both the promise and challenges of BST for identifying sources of well contamination.
Intro of Micro-organisms, Bacteria, Use of bacteria, Harmful bacteria,Reproduction in bacteria, virus,
Reproduction in virus, Fungi, Use of fungi, Harmful fungi,
Reproduction in fungi
This document summarizes the 3rd meeting of the international research group on infectious diseases and microbiology. The meeting discussed completing the gene repertoire of microorganisms by comparing genomes from environments, healthy humans, and patients to identify links to diseases. It was noted that current metagenomic studies have only identified 10-15% of organisms with ribosomes and 15-30% of known viruses. Tools discussed included using culture-introducing culturomics, genome sequencing and analysis. Specific results mentioned were related to giant viruses, the microbiota and obesity, causes of fever in Africa, and developing new culture media and vaccines.
Variability in plant pathogens can occur through several mechanisms:
1. Mutation, recombination, heterokaryosis, parasexualism, heteroploidy, cytoplasmic adaptation, and hybridization can all lead to variability in fungi.
2. Bacteria can vary through mutation, conjugation, transformation, and transduction.
3. Viruses can vary through mutation, mixed inoculation resulting in pseudo-recombination or heterologous encapsidation.
Genetically modified organisms (GMOs) are organisms whose genetic characteristics have been altered using genetic engineering techniques. GMOs are commonly found in food crops like corn and tomatoes. There are two main methods to create GMOs - inserting genes using a gene gun or viral implantation. Supporters argue that GMOs increase crop yields and sustainability, while critics argue they are unnatural and may pose unknown health risks. The document concludes that while GMO research should continue, GMOs should be labeled in stores to allow consumers to make informed choices about potential allergens or health impacts.
This document provides an introduction to bacteria, including their characteristics, classification, reproduction, and importance. It discusses the early discoveries of bacteria using microscopes from the 16th century onwards. The document outlines different types of bacteria based on their nutrition, respiration, staining properties, and shape. Methods of bacterial reproduction such as binary fission, budding, endospores, and conjugation are described. The document also discusses bacterial infection of host plants and Koch's postulates for identifying pathogenic bacteria. Several important bacterial diseases affecting crops are listed and the significance of bacteria in areas like food, agriculture, industry, and medicine is highlighted.
Baculoviruses are viruses that can infect and kill many invertebrate organisms, including insects. They are usually small and contain double-stranded DNA. Baculoviruses can remain dormant in the environment for long periods before infecting insects. Most baculoviruses must be eaten by the host insect to cause infection. Genetic engineering has enhanced baculoviruses for use as biological insecticides by introducing genes that increase the speed of killing insects. Introduced genes include genes for Bt toxin, scorpion neurotoxin, and other toxins. Baculoviruses are good candidates for species-specific pest control due to their ability to persist in the environment and multiply rapidly within
This document discusses several key themes of biology including emergence, Darwin's theory of evolution, energy processing, reproduction, and the diversity of life. It notes that biology can be examined at different levels from atoms to ecosystems. Darwin proposed that evolution occurs through natural selection acting on inherited traits, where traits enhancing survival and reproduction increase in frequency over generations. The core themes of biology revolve around DNA, cells, energy processing, reproduction, and the mechanisms driving diversity.
Different techniques for detection of plant pathogens.Zohaib Hassan
ย
Plant pathology is the study of plant diseases. Major plant pathogens include fungi, bacteria, nematodes, and viruses. Techniques used to detect pathogens include histopathological examination of infected tissues, culture growth on media, staining, microscopy, and analysis of biochemical properties. Symptoms caused by pathogens can provide clues to identification. Isolation and purification of the pathogen allows for reinoculation to fulfill Koch's postulates.
This document provides an overview of genetically modified mosquitoes for vector control. It discusses the mosquito lifecycle and transmission of vector-borne diseases. Methods for vector control include the use of Wolbachia-infected mosquitoes, which have shown promise in suppressing dengue virus in laboratory and field trials by impairing pathogen development. The document also describes techniques using sterile insects like the sterile insect technique (SIT) and release of insects carrying a dominant lethal gene (RIDL). Field trials on the Cayman Islands demonstrated that Wolbachia-infected mosquitoes can successfully introduce and spread the infection within a native mosquito population. However, more studies are still needed before GM mosquitoes can be effectively used for vector control.
Wolbachia is a group of intracellular bacteria, discovered in the seventies with the invention of electron microscopy. They belong to the order Ricket tsiales and are closely related to the general Ehrlichia, Cowdria and Anaplasma. They are widespread in the arthropods and significant insect pests as well as disease vectors. They are also present in filarial nematodes.
Life sustaining processes phenomena Jeev jagat chapter 4 plant communicati...SantoshBhatnagar1
ย
IT COVERS PLANT COMMUNICATION AND TRACES DEVELOPMENTS FROM SIR JCBOSE ONWARDS TILL DATE AND PRESENTS PLANT TALK IN A STYLE DIFFERENT FROM THE USUAL ONE SITING EXAMPLES AND POSING QUESTIONS .
Talk about my experiences as a mushroom hunter. Concentrates on an old favourite, fly agaric, and a strange new visitor to the Netherlands: the Jack-O'-Lantern mushroom. Connections to Data Science, Machine Learning, Big Data and AI. Also environmental issues.
Talk about my experiences as a mushroom hunter. Concentrates on an old favourite, fly agaric, and a strange new visitor to the Netherlands: the Jack-O'-Lantern mushroom.
Added, same day: connections to Data Science, Machine Learning, Big Data and AI
But then I discovered that Slideshare no longer allows you to update the *slides* of a talk. I am now looking for an alternative provider, which has heard of the notion of "version control".
Email me if you want to see the latest version.
Overview of unicellular elements of domains of lifeBiswadeep Das
ย
Here are the answers to your questions:
- The genetic material in a bacterial cell is located in a loop of DNA not enclosed in a nucleus.
- The role of a flagella is to allow bacteria to move from place to place.
- Three ways bacteria can obtain food are: 1) Autotrophically through photosynthesis 2) Absorbing nutrients 3) Consuming organic matter.
- Bacteria obtain energy to carry out their functions through respiration, either aerobically using oxygen or anaerobically without oxygen.
This document provides an overview of plant pathogens and plant pathology. It begins with basic terminology related to plant diseases. It then discusses different types of plant pathogens including fungi, bacteria, nematodes, viruses, and parasitic plants. It provides examples of important fungal and bacterial plant pathogens. It explains that plant pathology is the study of plant diseases and involves knowledge from various disciplines. The document discusses the importance of studying plant pathogens and stresses of plant diseases pose on feeding the world's population.
The document discusses the development of Phytophthora and Pythium databases to support the identification and monitoring of these major plant pathogen groups. It describes the objectives of building a cyberinfrastructure to archive genotype, phenotype and distribution data on Phytophthora species/isolates. The Phytophthora Database provides tools for sequence analysis, phylogenetic analysis and molecular identification. Future directions include expanding to other plant pathogen databases and integrating genomic and geospatial data.
Wolbachia the biology of cytoplasmic incompatibilitybharathichellam
ย
This bacterial studies are under research. It will much useful for agricultural industry. One can clearly understand the role of wolbachia in the arthropods and also how they reduce the population of such arthropods through cytoplasmic incompatibility.
Researchers have genetically modified a bacteria, Pantoes agglomerans, that lives naturally in the gut of mosquitoes. The modified bacteria produces proteins that destroy Plasmodium oocysts, which are early forms of the malaria parasite, reducing malaria infection rates in mosquitoes by 98%. Another approach uses GM mosquitoes with an added gene that kills them as larvae if not given tetracycline, decreasing wild mosquito populations over time. However, long term safety testing of GM mosquitoes interacting with the environment and humans has not been conducted.
Bacillus anthracis is the bacteria that causes anthrax. It forms spores that allow it to survive for over 1000 years in dormancy. There are three types of anthrax infections - cutaneous, inhalation, and gastrointestinal. Anthrax spores were used in a bioterrorism attack in 2001 in the United States involving letters sent through the postal service. Vaccination of US military members against anthrax was mandated in 1999 and caused some controversy over personal rights to refuse vaccination.
This document discusses bacterial source tracking (BST) as a potential tool to identify the source of fecal contamination in drinking water wells. It provides an overview of BST methods, which use genetic markers to detect the presence of specific types of bacteria that indicate contamination from humans, livestock, wildlife or other sources. The document describes a study that used BST to analyze samples from 8 wells in Texas that previously tested positive for E.coli. The results found evidence of ruminant (cow/goat/sheep) fecal contamination in 5 of the 8 wells, but no conclusive evidence of human, hog, or horse sources. The study highlights both the promise and challenges of BST for identifying sources of well contamination.
Intro of Micro-organisms, Bacteria, Use of bacteria, Harmful bacteria,Reproduction in bacteria, virus,
Reproduction in virus, Fungi, Use of fungi, Harmful fungi,
Reproduction in fungi
This document summarizes the 3rd meeting of the international research group on infectious diseases and microbiology. The meeting discussed completing the gene repertoire of microorganisms by comparing genomes from environments, healthy humans, and patients to identify links to diseases. It was noted that current metagenomic studies have only identified 10-15% of organisms with ribosomes and 15-30% of known viruses. Tools discussed included using culture-introducing culturomics, genome sequencing and analysis. Specific results mentioned were related to giant viruses, the microbiota and obesity, causes of fever in Africa, and developing new culture media and vaccines.
Variability in plant pathogens can occur through several mechanisms:
1. Mutation, recombination, heterokaryosis, parasexualism, heteroploidy, cytoplasmic adaptation, and hybridization can all lead to variability in fungi.
2. Bacteria can vary through mutation, conjugation, transformation, and transduction.
3. Viruses can vary through mutation, mixed inoculation resulting in pseudo-recombination or heterologous encapsidation.
Genetically modified organisms (GMOs) are organisms whose genetic characteristics have been altered using genetic engineering techniques. GMOs are commonly found in food crops like corn and tomatoes. There are two main methods to create GMOs - inserting genes using a gene gun or viral implantation. Supporters argue that GMOs increase crop yields and sustainability, while critics argue they are unnatural and may pose unknown health risks. The document concludes that while GMO research should continue, GMOs should be labeled in stores to allow consumers to make informed choices about potential allergens or health impacts.
This document provides an introduction to bacteria, including their characteristics, classification, reproduction, and importance. It discusses the early discoveries of bacteria using microscopes from the 16th century onwards. The document outlines different types of bacteria based on their nutrition, respiration, staining properties, and shape. Methods of bacterial reproduction such as binary fission, budding, endospores, and conjugation are described. The document also discusses bacterial infection of host plants and Koch's postulates for identifying pathogenic bacteria. Several important bacterial diseases affecting crops are listed and the significance of bacteria in areas like food, agriculture, industry, and medicine is highlighted.
Baculoviruses are viruses that can infect and kill many invertebrate organisms, including insects. They are usually small and contain double-stranded DNA. Baculoviruses can remain dormant in the environment for long periods before infecting insects. Most baculoviruses must be eaten by the host insect to cause infection. Genetic engineering has enhanced baculoviruses for use as biological insecticides by introducing genes that increase the speed of killing insects. Introduced genes include genes for Bt toxin, scorpion neurotoxin, and other toxins. Baculoviruses are good candidates for species-specific pest control due to their ability to persist in the environment and multiply rapidly within
This document discusses several key themes of biology including emergence, Darwin's theory of evolution, energy processing, reproduction, and the diversity of life. It notes that biology can be examined at different levels from atoms to ecosystems. Darwin proposed that evolution occurs through natural selection acting on inherited traits, where traits enhancing survival and reproduction increase in frequency over generations. The core themes of biology revolve around DNA, cells, energy processing, reproduction, and the mechanisms driving diversity.
Different techniques for detection of plant pathogens.Zohaib Hassan
ย
Plant pathology is the study of plant diseases. Major plant pathogens include fungi, bacteria, nematodes, and viruses. Techniques used to detect pathogens include histopathological examination of infected tissues, culture growth on media, staining, microscopy, and analysis of biochemical properties. Symptoms caused by pathogens can provide clues to identification. Isolation and purification of the pathogen allows for reinoculation to fulfill Koch's postulates.
This document provides an overview of genetically modified mosquitoes for vector control. It discusses the mosquito lifecycle and transmission of vector-borne diseases. Methods for vector control include the use of Wolbachia-infected mosquitoes, which have shown promise in suppressing dengue virus in laboratory and field trials by impairing pathogen development. The document also describes techniques using sterile insects like the sterile insect technique (SIT) and release of insects carrying a dominant lethal gene (RIDL). Field trials on the Cayman Islands demonstrated that Wolbachia-infected mosquitoes can successfully introduce and spread the infection within a native mosquito population. However, more studies are still needed before GM mosquitoes can be effectively used for vector control.
Wolbachia is a group of intracellular bacteria, discovered in the seventies with the invention of electron microscopy. They belong to the order Ricket tsiales and are closely related to the general Ehrlichia, Cowdria and Anaplasma. They are widespread in the arthropods and significant insect pests as well as disease vectors. They are also present in filarial nematodes.
Life sustaining processes phenomena Jeev jagat chapter 4 plant communicati...SantoshBhatnagar1
ย
IT COVERS PLANT COMMUNICATION AND TRACES DEVELOPMENTS FROM SIR JCBOSE ONWARDS TILL DATE AND PRESENTS PLANT TALK IN A STYLE DIFFERENT FROM THE USUAL ONE SITING EXAMPLES AND POSING QUESTIONS .
Talk about my experiences as a mushroom hunter. Concentrates on an old favourite, fly agaric, and a strange new visitor to the Netherlands: the Jack-O'-Lantern mushroom. Connections to Data Science, Machine Learning, Big Data and AI. Also environmental issues.
Talk about my experiences as a mushroom hunter. Concentrates on an old favourite, fly agaric, and a strange new visitor to the Netherlands: the Jack-O'-Lantern mushroom.
Added, same day: connections to Data Science, Machine Learning, Big Data and AI
But then I discovered that Slideshare no longer allows you to update the *slides* of a talk. I am now looking for an alternative provider, which has heard of the notion of "version control".
Email me if you want to see the latest version.
Overview of unicellular elements of domains of lifeBiswadeep Das
ย
Here are the answers to your questions:
- The genetic material in a bacterial cell is located in a loop of DNA not enclosed in a nucleus.
- The role of a flagella is to allow bacteria to move from place to place.
- Three ways bacteria can obtain food are: 1) Autotrophically through photosynthesis 2) Absorbing nutrients 3) Consuming organic matter.
- Bacteria obtain energy to carry out their functions through respiration, either aerobically using oxygen or anaerobically without oxygen.
This document provides an overview of plant pathogens and plant pathology. It begins with basic terminology related to plant diseases. It then discusses different types of plant pathogens including fungi, bacteria, nematodes, viruses, and parasitic plants. It provides examples of important fungal and bacterial plant pathogens. It explains that plant pathology is the study of plant diseases and involves knowledge from various disciplines. The document discusses the importance of studying plant pathogens and stresses of plant diseases pose on feeding the world's population.
This document provides an overview of microbiology. It defines microbiology as the study of microorganisms too small to be seen with the naked eye. It discusses that microorganisms are found everywhere and play important roles in processes like photosynthesis, biodegradation, and vitamin production. The document then reviews the history of microbiology, including early scientists like Hooke, Van Leeuwenhoek, Pasteur, and Koch. It also summarizes the classification of microorganisms into the three domains of Bacteria, Archaea, and Eucarya. The scope of microbiology is described as including both the basic study of microbes as well as their applied uses in fields like medicine, industry, and agriculture.
This document provides an introduction and overview of microbiology. It defines microbiology as the study of microorganisms too small to be seen with the naked eye. It discusses that microorganisms are found everywhere and play important roles in processes like photosynthesis, biodegradation, and vitamin production. The document then reviews the history of microbiology, including early pioneers like Hooke, Van Leeuwenhoek, Pasteur, and Koch. It also summarizes the classification of microorganisms into the three domains of Bacteria, Archaea, and Eucarya. The scope of microbiology is said to include both the basic study of microbes as well as their many applied uses.
This document discusses the 6 kingdom classification system for organizing living things. It explains that Carolus Linnaeus developed a classification system based on similarities between organisms. The 6 kingdoms are: Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia. Each kingdom is characterized by cell type, number, feeding type, and reproduction type. Examples are provided for typical organisms from each kingdom like archaebacteria found in harsh environments, multicellular plants, and diverse animals.
This document discusses biological control, which is using living organisms to suppress pest populations. It provides a history of biological control, noting it was first coined in 1919 and examples from ancient China. It describes the evolution of biological control including using Rodolia cardinalis against Icerya purchasi in California. The main types of biological control agents are entomophagous insects like predators and parasitoids, as well as pathogenic microbes like fungi, bacteria, viruses and nematodes. The strategies of biological control are introduction/importation, augmentation and conservation.
Introduction to Microbiology and Classification of Microorganisms.pptxUvaiz2
ย
Microbiology is the study of microscopic organisms. Key developments included Anton van Leeuwenhoek first observing bacteria under a microscope in the 16th century. Louis Pasteur and Robert Koch established the germ theory of disease and methods of culturing and staining bacteria in the 19th century. Modern microbiology involves classification of organisms, molecular biology, genetics, and applications like recombinant DNA technology and gene therapy. Emerging infectious diseases remain an important area of study.
Up to 500 species of bacteria can be found as normal oral flora, with 25 species living in a single mouth. A milliliter of saliva can contain as many as 40 million bacterial cells. Bacteria play important roles in digestion, vitamin synthesis, biotechnology, genetic engineering, and pest control. Some pathogenic bacteria mentioned include Enterococcus faecalis, Pseudomonas aeruginosa, Mycobacterium tuberculosis, and Staphylococcus aureus. Overuse of antibiotics, anomalous bacteria combinations, and enhanced transmission of antibiotic resistance are contributing to the rise of antibiotic-resistant bacteria.
[Bio1] ch 1 evolution the themes of biology and scientific inquiryRandomDude4
ย
1. The document summarizes key themes and theories of biology presented in a lecture, including the diversity of life, cellular organization, properties of life, energy flow, homeostasis, classification, levels of organization, and major theories of biology such as cell theory, gene theory, heredity, and evolution.
2. It discusses how evolution occurs through natural selection, where traits that increase survival and reproduction are passed on, using examples like peppered moths adapting to environmental changes.
3. The gene theory holds that DNA contains genes which code for traits and are passed from parents to offspring, though gene expression can produce different tissues.
This presentation was my Senior Biology Major Capstone and was given along with a written paper. The presentation discusses three scientific papers following the ebola virus from fruit bats to carriers such as gorillas, chimpanzees, and humans.
combined notes on microbiology and immunolgy.pptxkitati1
ย
This document provides an overview of microbiology and immunology. It discusses the historical background of microbiology, key contributors to the field, classification of microorganisms, bacterial cell structure and growth, and modes of transmission of infections. It also covers types of immunity, antigen-antibody reactions, and the complement system. The document is intended as a course outline for a combined microbiology and immunology course.
Animal parasitology by S.M.KAWUMA (2).pptxMartin754556
ย
This document outlines a course on basic parasitology. It covers topics like parasite adaptations, host-parasite relationships, immune response to parasites, classification of important parasite groups, and representative parasite diseases. Key parasite groups discussed include protozoa like Plasmodium spp. (malaria) and Trypanosoma spp. (African trypanosomiasis), as well as helminths. The lecturer emphasizes that learning is the students' responsibility and that their role is to guide students to knowledge.
Ichip is a novel method for in situ cultivation of environmental microorganisms. A study found that ichips incubated directly in soil and seawater samples led to significantly higher bacterial colony counts compared to traditional petri dishes. Microbial species grown in ichips were also more novel and diverse than those in petri dishes, with little overlap between the two methods. The ichip approach recovered many bacterial strains and genera not previously identified, supporting its ability to cultivate the "uncultivable" majority of environmental microbes.
Unit1. Introduction to Microbiology. Microbiology.pdfJAJAhmed
ย
This document provides an introduction and definitions related to microbiology. It defines microbiology as the study of microorganisms and lists the main branches of microbiology. Key terms are defined, such as pathogen, parasite, normal flora, and carrier. The document also discusses cell types, distinguishing between eukaryotic and prokaryotic cells. It provides examples of different microorganisms like bacteria, viruses, and protozoa. The importance of microbiology for nurses is highlighted along with a brief history of contributions to the field.
This document discusses the three domain system of classifying life - Archaea, Bacteria, and Eukarya. It describes the key characteristics of prokaryotes, including their unicellular nature, lack of organelles, and cell structures like cell walls. Archaea are introduced as extremophiles that thrive in harsh environments. Bacteria are classified as gram-positive or gram-negative. The evolution of eukaryotes from prokaryotes is discussed. The kingdoms Protista, Fungi, Plantae, and Animalia are also introduced along with their defining characteristics. Fungi are described as important decomposers and their structures like hyphae and role in symbiotic relationships are
A Free 200-Page eBook ~ Brain and Mind Exercise.pptxOH TEIK BIN
ย
(A Free eBook comprising 3 Sets of Presentation of a selection of Puzzles, Brain Teasers and Thinking Problems to exercise both the mind and the Right and Left Brain. To help keep the mind and brain fit and healthy. Good for both the young and old alike.
Answers are given for all the puzzles and problems.)
With Metta,
Bro. Oh Teik Bin ๐๐ค๐ค๐ฅฐ
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) CurriculumMJDuyan
ย
(๐๐๐ ๐๐๐) (๐๐๐ฌ๐ฌ๐จ๐ง ๐)-๐๐ซ๐๐ฅ๐ข๐ฆ๐ฌ
๐๐ข๐ฌ๐๐ฎ๐ฌ๐ฌ ๐ญ๐ก๐ ๐๐๐ ๐๐ฎ๐ซ๐ซ๐ข๐๐ฎ๐ฅ๐ฎ๐ฆ ๐ข๐ง ๐ญ๐ก๐ ๐๐ก๐ข๐ฅ๐ข๐ฉ๐ฉ๐ข๐ง๐๐ฌ:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
๐๐ฑ๐ฉ๐ฅ๐๐ข๐ง ๐ญ๐ก๐ ๐๐๐ญ๐ฎ๐ซ๐ ๐๐ง๐ ๐๐๐จ๐ฉ๐ ๐จ๐ ๐๐ง ๐๐ง๐ญ๐ซ๐๐ฉ๐ซ๐๐ง๐๐ฎ๐ซ:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
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A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
How to Download & Install Module From the Odoo App Store in Odoo 17Celine George
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Custom modules offer the flexibility to extend Odoo's capabilities, address unique requirements, and optimize workflows to align seamlessly with your organization's processes. By leveraging custom modules, businesses can unlock greater efficiency, productivity, and innovation, empowering them to stay competitive in today's dynamic market landscape. In this tutorial, we'll guide you step by step on how to easily download and install modules from the Odoo App Store.
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...indexPub
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The recent surge in pro-Palestine student activism has prompted significant responses from universities, ranging from negotiations and divestment commitments to increased transparency about investments in companies supporting the war on Gaza. This activism has led to the cessation of student encampments but also highlighted the substantial sacrifices made by students, including academic disruptions and personal risks. The primary drivers of these protests are poor university administration, lack of transparency, and inadequate communication between officials and students. This study examines the profound emotional, psychological, and professional impacts on students engaged in pro-Palestine protests, focusing on Generation Z's (Gen-Z) activism dynamics. This paper explores the significant sacrifices made by these students and even the professors supporting the pro-Palestine movement, with a focus on recent global movements. Through an in-depth analysis of printed and electronic media, the study examines the impacts of these sacrifices on the academic and personal lives of those involved. The paper highlights examples from various universities, demonstrating student activism's long-term and short-term effects, including disciplinary actions, social backlash, and career implications. The researchers also explore the broader implications of student sacrifices. The findings reveal that these sacrifices are driven by a profound commitment to justice and human rights, and are influenced by the increasing availability of information, peer interactions, and personal convictions. The study also discusses the broader implications of this activism, comparing it to historical precedents and assessing its potential to influence policy and public opinion. The emotional and psychological toll on student activists is significant, but their sense of purpose and community support mitigates some of these challenges. However, the researchers call for acknowledging the broader Impact of these sacrifices on the future global movement of FreePalestine.
220711130082 Srabanti Bag Internet Resources For Natural Science
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How Cool Are Fungi
1. How Cool
Are Fungi?
Dr. Nicole Gauthier
University of Kentucky
Department of Plant Pathology
Photo: Curtis Young, Ohio State University
2. Plant Pathology
Interaction between plant pathogens and
host plants.
Study of plant disease
Plant Pathogens:
โข Fungi
โข Bacteria
โข Viruses
โข Water molds
โข Nematodes
3. Fungiโฆ The Fun Guy
More closely related to
animals than plants
Ancient group
โข Fossil record indicates fungi
460 million years old
โข Molecular data suggest >1
billion years old
โข Bacteria 3.5 billion years old
โข Plants 425 million years old
Photo web.augsburg.edu
4. Strength in Numbers
85% plant diseases are fungal
1,500,000 fungal species, but
only 100,000 species described
โข 250,000 plant species
(6x more fungi than
plant species)
Photo: Kim Leonberger, University of Kentucky
6. Food for Fungi
Energy from other sources โ
heterotrophic
Decomposers, parasites,
pathogens, or symbionts.
โข Biotroph โ from living hosts
โข Necrotroph โ kill host cells
โข Saprotroph โ from dead or
decayed hosts
17. Life Cycles
Disease Triangle
โข Host
โข Pathogen
โข Environment
โข Free Water
โข Moderate Temperatures
Photo Ed Zaborski, University of Illinois
19. Plant Disease
Management
Does the disease need to be
managed?
Cultural Practices
โข Water management
โข Sanitation
โข Resistant cultivars
โข Rotation
Fungicides
โข Preventative