ABSTRACT
Summary ........................................................................................................................................ 376 Background .................................................................................................................................... 376 History ........................................................................................................................................... 379 Dening the Actinobacteria ........................................................................................................... 379 Distribution ....................................................................................................................................384 Exploitable Biology ........................................................................................................................ 385 Descriptions of Major Taxa ........................................................................................................... 386 The Deep Actinobacterial Phyletic Lines ...................................................................................... 386
Subclasses Acidimicrobidae, Sphaerobacteridae, and Rubrobacteridae ............................ 386 The Acidimicrobidae ............................................................................................... 388 The Rubrobacteridae ................................................................................................ 388
The Subclass Coriobacteridae and the Order Bidobacteriales in the Subclass Actinobacteridae ......................................................................................................390 The Subclass Coriobacteridae ..................................................................................390 The Order Bidobacteriales ..................................................................................... 391
The Subclass Actinobacteridae ...................................................................................................... 392 The Suborder Actinomycineae ........................................................................................... 392
Genus Actinomyces .................................................................................................. 393 The Suborder Corynebacterineae ....................................................................................... 393
Genus Corynebacterium .......................................................................................... 393 Genus Gordonia ....................................................................................................... 393 Genus Mycobacterium ............................................................................................. 397 Genus Nocardia ....................................................................................................... 397 Genus Rhodococcus ................................................................................................. 399 Genus Tsukamurella ................................................................................................ 401
The Suborder Frankineae ................................................................................................... 401 Genus Frankia ......................................................................................................... 401
The Suborder Micrococcineae ............................................................................................ 401 Genus Micrococcus ..................................................................................................402 Genus Brevibacterium .............................................................................................402 Genus Tetrasphaera .................................................................................................408 Genus Leifsonia .......................................................................................................408 Genus Arthrobacter .................................................................................................408
