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Inhibitory effects of KN-93, an inhibitor of Ca2+ calmodulin-dependent protein kinase II, on light-regulated root gravitropism in maizeLight is essential for root gravitropism in Zea mays L., cultivar Merit. It is hypothesized that calcium mediates this light-regulated response. KN-93, an inhibitor of calcium/calmodulin kinase II (CaMK II), inhibits light-regulated root gravitropism but does not affect light perception. We hypothesize that CaMK II, or a homologue, operates late in the light/gravity signal transduction chain. Here we provide evidence suggesting a possible physiological involvement of CaMK II in root gravitropism in plants.
Document ID
20040089501
Document Type
Reprint (Version printed in journal)
Authors
Feldman, L. J. (University of California at Berkeley United States)
Hidaka, H.
Date Acquired
August 21, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Plant physiology and biochemistry : PPB / Societe francaise de physiologie vegetale
Volume: 31
Issue: 6
ISSN: 0981-9428
Subject Category
Life Sciences (General)
Funding Number(s)
CONTRACT_GRANT: NAGW-238
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
NASA Discipline Plant Biology
NASA Discipline Number 40-50
NASA Program Space Biology