The document provides a detailed classification of the bacterial domain, outlining various phyla, classes, orders, and families, such as Firmicutes, Actinobacteria, and Proteobacteria. It includes specific examples of genera and species within these categories, emphasizing their taxonomic relationships. The author, Ajay DeSouza, invites readers to visit their blog for more content.

1. Classification of the domain
bacteria
Domain
Phylum
Bacteria
Firmicutes Proteobacteria
Actinobacteria
+Gram positive - Gram Negative

2. Bacilli
Class Clostridia Mollicutes
order Bacillales Clostridiales
Family Bacillaceae Clostridiaceae
Firmicutes
Phylum

3. order
Mollicutes
Entoplasmatales Acholeplasmatales
Family Spiroplasmataceae Acholeplasmataceae
Spiroplasma Candidatus Phytoplasma

4. Phylum Actinobacteria
Class
order
Family
Actinomycetales
Actinobacteria
Microbacteriaceae Nocardiaceae Streptomycetaceae
Clavibacter,
Curtobacterium,
Rathayibacter, Lefsonia
Rhodococcus Streptomyces

5. Proteobacteria
Phylum
Class
Alphaproteobacteria
Betaproteobacteria
Gammaproteobacteria

6. Class Alphaproteobacteria
order Rhizobiales Rickettsiales
Family Rhizobiaceae Rickettsiaceae
Rhizobium Rickettsia

7. Class Betaproteobacteria
order Burkholderiales
Family
Comamonadaceae
Oxabacteriaceae
Burkholderiaceae
Ralstoniaceae
Acidovorax
Burkholderia
Ralstonia
Herbaspirillum
Janthinobacterium

8. Class
Gammaproteobacteria
order Enterobacteriales
Pseudomonadales
Family
Enterobacteriaceae
pseudomonadaceae
Xanthomonadales
Xanthomonadaceae
Dickeya, Erwinia, Pantoea,
Pectobacterium Pseudomonas Xanthomonas

9. By
AjayDesouza V
Thank you
For more content and
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https://ajaydesouza.blogs
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By
V.AjayDesouza
M.Sc.(Agri) Plant Pathology
Annamalai university
ajaydesouza0003@gmail.com