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Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
Blastomycetes 1[1]
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Blastomycetes 1[1]

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  • 1. WELCOME
  • 2. BLASTOMYCETES PRESENTED BY, SOMASHEKARA.H.E .
  • 3. CONTENTS <ul><li>INTRODUCTION </li></ul><ul><li>CLASSIFICATION </li></ul><ul><li>ORDER-SPOROBOLOMYCETALES </li></ul><ul><li>ORDER-CRYPTOCOCCALES </li></ul><ul><li>CONCLUSION </li></ul><ul><li>REFERENCE </li></ul>
  • 4. INTRODUCTION <ul><li>BLASTOMYCETES </li></ul><ul><li>It is an arbitary taxon for the asporogenous yeasts, which do not produce asco or basidiospores. </li></ul><ul><li>Exist as budding cells or Pseudomycelium </li></ul><ul><li>Reproduce by budding or fission. </li></ul><ul><li>Most of the members are saprobes occuring on flowers, leaves, bark, wood. </li></ul><ul><li>Some of them occur on fresh and sea water. </li></ul><ul><li>Some associated with plant disease like powdery mildews, rusts and smuts. </li></ul>
  • 5. CLASSIFICATION <ul><li>DIVISION-EUMYCOTA </li></ul><ul><li>SUB DIVISION-DEUTEROMYCOTA </li></ul><ul><li>CLASS-BLASTOMYCETES </li></ul><ul><li>The class Blastomycetes is divided into two orders </li></ul><ul><li>1.Sporobolomycetales </li></ul><ul><li>2.Cryptococcales </li></ul>
  • 6. ORDER-SPOROBOLOMYCETALES <ul><li>It contains single family Sporobolomycetaceae with Four genera. </li></ul><ul><li>1.Sporobolomyces. </li></ul><ul><li>2.Bullera </li></ul><ul><li>3.Itersonilia </li></ul><ul><li>4.Tilletiopsis </li></ul><ul><li>These grow abundantly as saprophytes on sugary surfaces of ripe fruits, leaves etc. </li></ul>
  • 7. Bullera hoabinhensis Itersonilia perplexans Tilletiopsis species Sporobolomyces roseus
  • 8. SPOROBOLOMYCES <ul><li>The genus Sporobolomyces contains seven species. </li></ul><ul><li>It grow saprophytically on ripe fruits, senescent leaves etc. </li></ul><ul><li>S.roseus can be cultured very easily by placing senescent grass leaf over nutrient agar medium. </li></ul>Sporobolomyces roseus
  • 9. ORDER- CRYPTOCOCCALES <ul><li>It consists of 15 genera in a single family Cryptococcaceae. </li></ul><ul><li>The cryptococcales are primarily saprobic some of the species are pathogenic to animals and humans. </li></ul><ul><li>The well known genera of the family are </li></ul><ul><li>1.Cryptococcus </li></ul><ul><li>2.Candida </li></ul><ul><li>3.Malassezia </li></ul><ul><li>4.Trichosporon </li></ul><ul><li>5.Rhodotorula </li></ul>
  • 10. CRYPTOCOCCUS <ul><li>The genus Cryptococcus contains 17 species. </li></ul><ul><li>Widely distributed in soil and on decaying plant material. </li></ul><ul><li>Few are pathogenic to man and animal. </li></ul><ul><li>It is a non filamentous growth. </li></ul>Cryptococcous neoformans cell Cryptococcous neoformans
  • 11. CANDIDA <ul><li>The genus Candida was esected by Beskhout in 1923. </li></ul><ul><li>Candida are yeast like organinsms with sdtrong Mycelial or Pseudomycelial growth and multilateral budding. </li></ul><ul><li>Members are isolated from soil plant and animal. </li></ul><ul><li>Some of the candida are pathogenic to man and animal. </li></ul><ul><li>C.utilis is an important source of proteins. </li></ul>Candida utilius
  • 12. RHODOTORULA <ul><li>It contains 9 species. </li></ul><ul><li>It is a single celled yeast like fungus. </li></ul><ul><li>Species live on the land and in the ocean. </li></ul><ul><li>It has characteristic pink or yellow or red color in the colony due to prescence of carotenoid pigments. </li></ul>Rhodotorula glutinis Rhodotorula pacifica
  • 13. TRICHOSPORON <ul><li>It is widely distributed fungus, common in soil. </li></ul><ul><li>Pseudomycelium and true mycelium are found abundantly. </li></ul><ul><li>T.beigelii is responsible for white piedra of man and horse in regions of Europe, Asia, South america. </li></ul>Trichosporon beigelii Trichosporon cutaneum
  • 14. MALASSEZIA <ul><li>It is a small genus with one or two species. </li></ul><ul><li>M.furfur is responsible for pityrisasis which is a superficial skin disease of man. </li></ul>Malassezia furfur Malassezia furfur
  • 15. CONCLUSION <ul><ul><li>Class - Blastomycetes is an imperfect fungi which do not produce asco or basidiospores. They reproduce by budding or fission. </li></ul></ul><ul><ul><li>These are pathogenic to man and animals. </li></ul></ul>
  • 16. REFERENCE <ul><li>Mehrotra.R.S. & Anneja.K.R. An Introduction to Mycology, New age international publishers. New Delhi. </li></ul><ul><li>http://www.google.co.in/#sclient=psy-ab&hl=en&source=hp&q=blastomycetes </li></ul>
  • 17. THANK YOU

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