The hxk family in arabidopsis thaliana is comprised of six members, three being catalytically active (hxk1, hxk2, hxk3) and three being catalytically inactive related proteins,. Recent research has focused on elucidating sugar and energy signaling mediated by hexokinase. Studies with arabidopsis indicate that the.
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In the first step of the glycolytic pathway, hxk converts glucose to g6p for use in glycolysis, starch, and. Summary and avenues for future work the phosphorylation of glucose and fructose by hxk and frk is pivotal for all metabolic processes. Further analysis of the function of hxk in hormone signaling can provide additional insights into the roles of hxk signaling and its importance in secondary metabolism.
As sessile photoautotrophs, plants constantly encounter diverse environmental stresses.
Most plant species have a. In plants, hexokinase (hxk) is a kind of bifunctional enzyme involved in sugar metabolism and sugar signal transduction that plays important roles in plant growth and. The hxk genes from subfamily iii and subfamily v had significantly higher ï‰ values than those from the other subfamilies, demonstrating that the hxk genes from these. Hxk, snrk1, and tor are three fundamental proteins that have a pivotal role in the metabolism of sugars in plants.
Hxk is an evolutionarily conserved key enzyme in carbon metabolism. The hxk sensor function has been delineated using single cell assays, cell cultures, seedling bioassays and transgenic and mutant plants. Hxk, being the initial glucose sensor discovered in plants, is renowned for.
