Rapid Changes in Protein Phosphorylation Associated with Light-Induced Gravity Perception In Corn Roots | Zendy

Johnjoe McFadden | Zendy; B. W. Poovaiah | Zendy

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Rapid Changes in Protein Phosphorylation Associated with Light-Induced Gravity Perception In Corn Roots

Author(s) -

Johnjoe McFadden,

B. W. Poovaiah

Publication year - 1988

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.86.2.332

Subject(s) - phosphorylation , protein phosphorylation , calcium , chemistry , ethylene glycol , biochemistry , biophysics , specific gravity , microbiology and biotechnology , biology , mineralogy , protein kinase a , organic chemistry

The effect of light and calcium depletion on in vivo protein phosphorylation was tested using dark-grown roots of Merit corn. Light caused rapid and specific promotion of phosphorylation of three polypeptides. Pretreatment of roots with ethylene glycol bis N,N,N',N' tetraacetic acid and A23187 prevented light-induced changes in protein phosphorylation. We postulate that these changes in protein phosphorylation are involved in the light-induced gravity response.

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