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Article

Diversity in guanosine 3',5'-bisdiphosphate (ppGpp) sensitivity among guanylate kinases of bacteria and plants.

The Journal of biological chemistry - 30 May 2014

Nomura Yuhta, Izumi Atsushi, Fukunaga Yoshinori, Kusumi Kensuke, Iba Koh, Watanabe Seiya, Nakahira Yoichi, Weber Andreas P M, Nozawa Akira, Tozawa Yuzuru

Abstract excerpt

The guanosine 3',5'-bisdiphosphate (ppGpp) signaling system is shared by bacteria and plant chloroplasts, but its role in plants has remained unclear. Here we show that guanylate kinase (GK), a key enzyme in guanine nucleotide biosynthesis that catalyzes the conversion of GMP to GDP, is a target of regulation by ppGpp in chloroplasts of rice, pea, and Arabidopsis. Plants have two distinct types of GK that are...

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Identifiers

PMID: 24722991
DOI: 10.1074/jbc.M113.534768
PMCID: PMC4140918

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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