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Chlamydiales evolution: Evolution index

This section written by Professor J W Moulder, University of Arizona at Tucson, one of the most original chlamydial researchers

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Foreword

Introduction
  Part 1: Evolution of Chlamydiales
     The first intracellular Chlamydiales
     In the beginning, symbiosis or parasitism?
     The last common ancestor
     Divergence in Chlamydiales
     Summary for Part 1

  Part 2: Evolution of Chlamydiaceae
     Chlamydial genomic sequences and evolution
     Genome degradation during evolution
     The pathway from ancestral to modern chlamydiae
     The chlamydial inclusion as multicellular organism
     Radiation and divergence
     Role of Persistent infection
     FtsZ, peptidoglycan and cell division
     ATP / ADP transferases
     Nucleotide metabolism
     Folate metabolism
     Role of Type III protein secretion

  Conclusion: What do we know about Chlamydiales evolution ?

  Plant Chlamydiaceae relationships

Bibliography
  Evolution references A to K
  Evolution references K to Z

  Table 1 Classification
  Table 2 Comparative genome sizes
  Table 3 Comparative nucleotide metabolism



Insoluble problems
The time scale
The original ancestor and first host
Endosymbiotes are more frequent
Common features of the Chlamydiales
Parachlamydia appear most divergent
Summary

Focusing on the one family about which we know most
Clues from the genome sequences
Non random loss of genes in intracellular bacteria
Molecular tinkering
Are chlamydiae social organisms?
Speciation
Persistence and evolution
The Chlamydiaceae are unique among bacteria
ATP transport in evolution
Chlamydiaceae are uniquely limited
The basis of sulphonamide sensitivity
Probably crucial to chlamydiae

General conclusions

Relationship to chloroplasts [MEW]


The evidence base and web resources
The evidence base and web resources

Classification of the Order Chlamydiales
Bacterial lifestyle versus genome size
Nucleotide metabolism in bacteria with small genomes

 

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