Journal Article

Effects of Ethylene Precursor and Inhibitors for Ethylene Biosynthesis and Perception on Nodulation in <i>Lotus japonicus</i> and <i>Macroptilium atropurpureum</i>

Noriyuki Nukui, Hiroshi Ezura, Ken-Ichi Yuhashi, Tsuyoshi Yasuta and Kiwamu Minamisawa

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 41, issue 7, pages 893-897
Published in print July 2000 | ISSN: 0032-0781
Published online July 2000 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcd011
Effects of Ethylene Precursor and Inhibitors for Ethylene Biosynthesis and Perception on Nodulation in Lotus japonicus and Macroptilium atropurpureum

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Inhibitors of ethylene synthesis or its physiological function enhanced nodulation in Lotus japonicus and Macroptilium atropurpureum. In contrast, the application of 1-aminocyclopropane-1-carboxylic acid, a precursor of ethylene biosynthesis, reduced the nodule number in these legumes. These results suggest that an ethylene-mediated signaling pathway is involved in the nodulation process even in the determinate nodulators.

Keywords: Key words: Ethylene — Legume — Lotus japonicus — Macroptilium atropurpureum — Medicago sativa — Nodule.; Abbreviations: ACC, 1-aminocyclopropane-1-carboxylic acid; AVG, l-α-(2-aminoethoxyvinyl) glycine; DAI, days after inoculation; STS, silver thiosulfate.

Journal Article.  3470 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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