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. 1982 Jul;151(1):114–118. doi: 10.1128/jb.151.1.114-118.1982

Phosphorylation and methylation of proteins during Myxococcus xanthus spore formation.

T Komano, N Brown, S Inouye, M Inouye
PMCID: PMC220207  PMID: 6806237

Abstract

Post-translational modification of proteins was examined during the life cycle of Myxococcus xanthus. A specific pattern of protein phosphorylation was observed in vegetative cells. When spore formation was induced by glycerol, significant changes in the pattern of protein phosphorylation were observed, including the phosphorylation of two membrane proteins. In in vitro experiments, the same membrane proteins were phosphorylated by ATP when the membrane preparation from cells treated with glycerol was used. Changes in the pattern of protein methylation were also observed during spore formation induced by glycerol or fruiting body formation. These results suggest that post-translational protein modification may be required for spore formation or fruiting body formation.

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Selected References

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