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The close phylogenetic relationship ofNitrobacterandRhodopseudomonas palustris

✍ Scribed by Elke Seewaldt; Karl-Heinz Schleifer; Eberhard Bock; Erko Stackebrandt

Publisher
Springer
Year
1982
Tongue
English
Weight
370 KB
Volume
131
Category
Article
ISSN
0302-8933

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✦ Synopsis

The phylogenetic position of Nitrobacter winogradskyi and two other nitrite-oxidizing bacteria was elucidated comparing oligonucleotides of the 16S ribosomal RNA. Nitrobacter winogradskyi and the Nitrobacter isolate 'Yukatan' are genetically nearly identical; Nitrobacter isolate X14 is more distantly related. Phylogenetically, Nitrobacter is a member of a group of purple non-sulfur bacteria that is defined by various species of Rhodopseudomonas, Rhodomicrobium vannielii, Rhodospirillum rubum and their nonphototrophic relatives. Nitrobacter shares a high sequence similarity to Rhodopseudomonas palustris. These findings are in accord with several common taxonomic characteristics, and in addition support the conversion hypothesis for the origin of this group of chemolithotrophic bacteria.

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