The Journal of General and Applied Microbiology
Online ISSN : 1349-8037
Print ISSN : 0022-1260
ISSN-L : 0022-1260
DISTRIBUTION OF RHODOQUINONE IN RHODOSPIRILLACEAE AND ITS TAXONOMIC IMPLICATIONS
AKIRA HIRAISHIYASUO HOSHINO
Author information
JOURNALS FREE ACCESS

1984 Volume 30 Issue 6 Pages 435-448

Details
Abstract

The rhodoquinone (RQ) composition was studied in representatives of 20 species of Rhodospirillaceae. Thin-layer chromatography, ultraviolet spectrophotometry, mass spectrometry, and high-performance liquid chromatography revealed that six of the 20 test species contained RQ as a major quinone in average amounts of 0.28 to 2.22μmol per g dry weight of cells. The predominant homologue of RQ in the six species was as follows: RQ-8-Rhodospirillum photometricum and an unknown species resembling Rhodocyclus gelatinosus; RQ-9+RQ-10-Rhodopila globiformis; RQ-10-Rhodospirillum rubrum, Rhodopseudomonas acidophila, and Rhodomicrobium vannielii. The taxonomic significance of RQ and other isoprenoid quinones is discussed in comparison with the new classification system for the phototrophic bacteria recently proposed by IMHOFF et al.

Information related to the author
© The Microbiology Research Foundation
Previous article Next article
feedback
Top