Photosynthetic apparatus in Roseateles depolymerans 61A is transcriptionally induced by carbon limitation.

Applied and Environmental Microbiology
Tetsushi SuyamaS Hanada

Abstract

Production of a photosynthetic apparatus in Roseateles depolymerans 61A, a recently discovered freshwater beta-Proteobacterium showing characteristics of aerobic phototrophic bacteria, was observed when the cells were subjected to a sudden decrease in carbon sources (e.g., when cells grown with 0.1 to 0.4% Casamino Acids were diluted or transferred into medium containing <or=0.04% Casamino Acids). Accumulation of bacteriochlorophyll (BChl) a was observed in the presence of oxygen and was enhanced under semiaerobic conditions (2% oxygen) but was reduced in the presence of light. Similarly to what has been reported regarding some aerobic phototrophic bacteria belonging to the alpha subclass of the Proteobacteria, viability of the cells in the carbon source-free medium was prolonged under aerobic-light (10 W m(-2)) conditions, possibly due to photosynthetic energy conversion, but was not prolonged under aerobic-dark conditions. The puf operon, which encodes most of the apoproteins of light-harvesting and reaction center complexes, was sequenced, and the effect of changes in Casamino Acids concentrations, oxygen, and light on its expression was estimated by the accumulation of its mRNA. The expression of the puf operon was induced ...Continue Reading

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Citations

Sep 10, 2005·Photosynthesis Research·Eric Giraud, Darrell Fleischman
Jun 14, 2005·Research in Microbiology·Akos T KovácsKornél L Kovács
Sep 11, 2007·Nature Reviews. Microbiology·Mary Ann Moran, William L Miller
Feb 20, 2008·Photochemistry and Photobiology·Yoichi YamazakiMikio Kataoka
May 1, 2007·Applied and Environmental Microbiology·Lisa A Waidner, David L Kirchman
Oct 10, 2006·Applied and Environmental Microbiology·Alexander Eiler
May 13, 2008·Applied and Environmental Microbiology·Lisa A Waidner, David L Kirchman
Sep 6, 2003·Applied and Environmental Microbiology·Martin AllgaierIrene Wagner-Döbler
May 25, 2006·Annual Review of Microbiology·Irene Wagner-Döbler, Hanno Biebl
Jul 20, 2012·Annual Review of Marine Science·Carlos M DuarteSusana Agustí
Aug 1, 2014·Journal of Molecular Evolution·Kenji V P NagashimaKazuhito Inoue
Jun 14, 2005·Molecular Microbiology·Sylvie ElsenEric Giraud
Nov 29, 2005·Environmental Microbiology·Lisa A Waidner, David L Kirchman
Jul 4, 2015·FEMS Microbiology Reviews·Michal Koblížek
Aug 8, 2009·International Journal of Systematic and Evolutionary Microbiology·Margarita GomilaJorge Lalucat
Jul 10, 2007·FEMS Microbiology Ecology·Yao Zhang, Nianzhi Jiao
Apr 9, 2013·FEMS Microbiology Ecology·Dominique BoeufChristian Jeanthon
Nov 25, 2020·The ISME Journal·Sven P Tobias-HünefeldtSergio E Morales

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