The family Rhodocyclaceae

Aharon Oren*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

83 Scopus citations

Abstract

The order Rhodocyclales, phylogenetically affiliated with the Betaproteobacteria, currently (April, 2012) consists of a single family, the Rhodocyclaceae, with 18 genera (Rhodocyclus [type genus], Azoarcus, Azonexus, Azospira, Azovibrio, Dechloromonas, Dechlorobacter, Denitratisoma, Ferribacterium, Georgfuchsia, Methyloversatilis, Propionivibrio, Quatrionicoccus, Sterolibacterium, Sulfuritalea, Thauera, Uliginosibacterium, and Zoogloea), and a total of 45 species. Members of the order display many different modes of living: There are anoxygenic photoheterotrophs; plant-associated nitrogen-fixing aerobes, species that degrade a wide range of carbon sources including many aromatic compounds, using oxygen, nitrate, chlorate, perchlorate, selenate, and other electron acceptors; and sulfur-oxidizing chemoautotrophs, methylotrophs, and anaerobes that perform propionic acid fermentation. These highly disparate organisms are classified within a single family solely on the basis of 16S rRNA phylogeny. Representatives have been isolated from diverse environments: soil; sewage treatment plants; polluted and unpolluted waters of ponds, rivers, and aquifers; and plant roots. Some aromatic compound-degrading members have considerable potential for biodegradation of organic waste material and bioremediation of polluted environments.

Original languageAmerican English
Title of host publicationThe Prokaryotes
Subtitle of host publicationAlphaproteobacteria and Betaproteobacteria
PublisherSpringer-Verlag Berlin Heidelberg
Pages975-998
Number of pages24
Volume9783642301971
ISBN (Electronic)9783642301971
ISBN (Print)3642301967, 9783642301964
DOIs
StatePublished - 1 Aug 2014

Bibliographical note

Publisher Copyright:
© 2014 Springer-Verlag Berlin Heidelberg. All rights reserved.

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