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rdf:type |
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lifeskim:mentions |
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pubmed:dateCreated |
1996-12-16
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pubmed:abstractText |
Shoot inversion-induced release of apical dominance in Pharbitis nil is inhibited by rotating the plant at 0.42 revolutions per minute in a vertical plane perpendicular to the axis of rotation of a horizontal clinostat. Clinostating prevented lateral bud outgrowth, apparently by negating the restriction of the shoot elongation via reduction of ethylene production in the inverted shoot. Radial stem expansion was also decreased. Data from experiments with intact tissue and isolated segments indicated that shoot-inversion stimulates ethylene production by increasing the activity of 1-aminocyclopropane-1-carboxylic acid synthase. The results support the hypothesis that shoot inversion-induced release of apical dominance in Pharbitis nil is due to gravity stress and is mediated by ethylene-induced retardation of the elongation of the inverted shoot.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11539038,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11539089,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11539699,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11540878,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11540879,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-11542024,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-16657920,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-16658106,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-16661735,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-16662580,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-16663229,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-543532,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-5672666,
http://linkedlifedata.com/resource/pubmed/commentcorrection/11539031-942051
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pubmed:keyword |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
S
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:issn |
0032-0889
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
83
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pubmed:owner |
NASA
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pubmed:authorsComplete |
Y
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pubmed:pagination |
505-9
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pubmed:dateRevised |
2010-9-14
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pubmed:meshHeading |
pubmed-meshheading:11539031-Amino Acids,
pubmed-meshheading:11539031-Amino Acids, Cyclic,
pubmed-meshheading:11539031-Ethylenes,
pubmed-meshheading:11539031-Gravitation,
pubmed-meshheading:11539031-Gravitropism,
pubmed-meshheading:11539031-Lyases,
pubmed-meshheading:11539031-Plant Physiological Phenomena,
pubmed-meshheading:11539031-Plant Shoots,
pubmed-meshheading:11539031-Plant Stems,
pubmed-meshheading:11539031-Plants,
pubmed-meshheading:11539031-Rotation
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pubmed:year |
1987
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pubmed:articleTitle |
The role of gravity in apical dominance: effects of clinostating on shoot inversion-induced ethylene production, shoot elongation and lateral bud growth.
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pubmed:affiliation |
Department of Botany, Ohio State University, Columbus 43210, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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