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Cyanobacterial glucokinase complements the glucose sensing role of Arabidopsis thaliana hexokinase 1.

Biochemical and biophysical research communications - 26 Sept 2008

Ryu Jee-Youn, Jeong Seok-Won, Kim Soo Youn, Ko Yoonae, Yoon Sukjoon, Choi Sang-Bong, Park Youn-Il

Abstract excerpt

Unlike Arabidopsis hexokinase (AtHXK) 1, cyanobacterial glucokinase (cGlk, Sll0593) from Synechocystis sp. PCC6803 does not function endogenously as a glucose sensor for glucose repression of photosynthesis-related genes such as psbA2, psbD2, rbcS, and rbcL. However, when cGlk was constitutively expressed in the cytosol of the glucose insensitive AtHXK 1 null mutant gin2-1, transgenic plants showed glucose...

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PMID: 18640098
DOI: 10.1016/j.bbrc.2008.07.041

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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