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. 1987 Feb;169(2):908–912. doi: 10.1128/jb.169.2.908-912.1987

Stringency in the absence of ppGpp accumulation in Rhodobacter sphaeroides.

R Acosta, D R Lueking
PMCID: PMC211869  PMID: 3492491

Abstract

Leucine deprivation of either phototrophically or chemotrophically growing cells of Rhodobacter sphaeroides resulted in a restriction in the continued accumulations of cellular RNA, phospholipids, and protein. Phototrophically growing cells also displayed restrictions in the accumulations of cellular carotenoids and bacteriochlorophyll. Leucine deprivation, however, did not provoke the accumulation of cellular ppGpp or alter the steady-state levels of ppGpp, ATP, or GTP in cells of R. sphaeroides.

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Selected References

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