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PMID: 16658244 Published · ppublish English Journal Article

Phytochrome-mediated Electric Potential Changes in Oat Seedlings.

Plant physiology ·Vol. 50 ·No. 6 ·1972-12-00 ·Pages 687-93

Newman IA, Briggs WR

Abstract

Brief exposures to red light induce far red-reversible changes of 5 to 10 millivolts magnitude in the upper 1 centimeter of etiolated Avena coleoptiles. The changes begin within 15 seconds of the start of illumination and they continue for at least 12 minutes. The changes were measured using a flowing solution of 10 mm KCl to contact the surface of the coleoptile. A dark-grown coleoptile shows no change in response to far red light unless it first receives red light treatment. The second of two red light exposures is ineffective without an intervening far red treatment. Some characterization of these electric responses to light is presented.

Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Newman I A
Biological Laboratories, Harvard University, 16 Divinity Avenue, Cambridge, Massachusetts 02138.
Briggs W R
References (14)
14 references, click to expand
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Article Info
Journal
Plant physiology
Abbr.
Plant Physiol
ISSN
0032-0889
DOI
10.1104/pp.50.6.687
Published
1972-12-00
Pages
687-93
Language
English
Region
United States
NLM ID
0401224
PMCID
PMC366217
External Links
PubMed source DOI: 10.1104/pp.50.6.687 PMC Full Text View journal details
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