Proteomics

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Genes essential for phototrophic growth by a purple alphaproteobacterium

ABSTRACT: We identified 171 genes required for growth in this condition, 35 of which are annotated as photosynthesis genes. As a complement to the genetic data, we carried out proteomics experiments in which we found that 429 proteins were present in significantly higher amounts in cells grown anaerobically in light compared to aerobically. Among these were proteins encoded by subset of the phototrophic growth-essential genes.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Rhodopseudomonas Palustris

TISSUE(S): Culture Condition:-grown Cell

SUBMITTER: Matthew Monroe  

LAB HEAD: Carrie Harwood

PROVIDER: PXD006084 | Pride | 2017-07-11

REPOSITORIES: Pride

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Biodiversity_R_palustris_PM_aerobic_1_01Jun16_Pippin_16-03-39.mzML.gz Mzml
Biodiversity_R_palustris_PM_aerobic_1_01Jun16_Pippin_16-03-39.pride.mgf.gz Mgf
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Biodiversity_R_palustris_PM_aerobic_1_01Jun16_Pippin_16-03-39_msgfplus.mzid.gz Mzid
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Genes essential for phototrophic growth by a purple alphaproteobacterium.

Yang Jianming J   Yin Liang L   Lessner Faith H FH   Nakayasu Ernesto S ES   Payne Samuel H SH   Fixen Kathryn R KR   Gallagher Larry L   Harwood Caroline S CS  

Environmental microbiology 20170724 9

Tn-seq was used to identify genes essential for phototrophic growth by the purple bacterium Rhodopseudomonas palustris. About 167 genes required for anaerobic growth on acetate in light were identified, 35 of which are annotated as photosynthesis genes. The essentiality of many of these genes by analysing the phenotypes of independently generated mutants that had altered pigmentation was verified. Three genes were identified, two possibly involved in biogenesis of the membrane-bound photosynthet  ...[more]

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