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448 Conversely, loss of function of a gene for the cytokinin-activating enzyme, LOG, which is expressed in shoot apical meristems, leads to premature termination of cell division in rice shoot meristems.426 This result suggests that meristem cells autonomously produce active cytokinins for ...
a one-step cytokinin activation pathway was first discovered and the novel cytokinin-activating enzyme called lonely guy (LOG) emerged6. LOG produces active cytokinins via dephosphoribosylation, directly hydrolyzing the bond between N6-substituted ...
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[97,122], but it might also be involved in co-ordinating the activities of cytokinin and auxin in regulating root gravitropism [123].AXR1, which was upregulated about 5-fold in both organs, encodes part of a dimeric E1 ubiquitin-activating enzyme of the ubiquitin-proteasome protein ...
Cytokinins play an important role in the modulation of plant innate immunity. Cytokinins regulate the host defense responses either positively or negatively depending on the concentrations of cytokinins available at the infection site. Cytokinin percepti
(naphthalene-1-acetic acid) together with cytokinin (6-benzylaminopurine) induced a greater than 40-fold increase in a p34cdc2-like protein, recoverable in the p13suc1-binding fraction, that had high H1 histone kinase activity, but enzyme induced without cytokinin was inactive. In suspension-cul...
As the global population continues to expand, increasing yield in bread wheat is of critical importance as 20% of the world’s food supply is sourced from this cereal. Several recent studies of the molecular basis of grain yield indicate that the cytokin
www.nature.com/scientificreports OPEN Structural basis for a novel type of cytokinin-activating protein received: 06 December 2016 accepted: 07 March 2017 Published: 04 April 2017 Hogyun Seo & Kyung-Jin Kim The Lonely Guy (LOG) protein has been identified as a crucial enzyme involved in ...
Auxin has recently been shown to regulate PC morphogenesis and polar distribution of PIN proteins by activating ROP GTPases [30, 32, 38]. Auxin has also been implicated in the regulation of the orientation of cell division by affect- ing microtubule organization [39]. Cytokinin is known to ...