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20250208091904.0 |
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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed25n0569.xml
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|a (DE-627)NLM170772446
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|a (NLM)17556768
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yin, Changxi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Decreased panicle-derived indole-3-acetic acid reduces gibberellin A1 level in the uppermost internode, causing panicle enclosure in male sterile rice Zhenshan 97A
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|c 2007
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 02.01.2008
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Cytoplasmic male sterile (CMS) rice Zhenshan 97A (ZS97A) has been widely used in hybrid rice production in China. However, ZS97A suffers from serious panicle enclosure, which blocks normal pollination and greatly reduces seed production of hybrid rice. Little is known about the cause of panicle closure in ZS97A. In this study, it was found that the occurrence of cytoplasmic male sterility caused a deficiency of indole-3-acetic acid (IAA) in ZS97A panicles, and less IAA was provided to the uppermost internode (UI). Further, it was found that the decreased panicle-derived IAA caused a gibberellin A(1) (GA(1)) deficiency in the UI by the down-regulation of OsGA3ox2 transcript level. Reduced GA(1) level in the UI led to decreases of both cell number and cell elongation, resulting in a shortened UI. The shortened UI was unable to push the panicle out of the flag leaf sheath that remained normal, which resulted in panicle enclosure in ZS97A. These findings suggest that decreased panicle-derived IAA reduces the GA(1) level in the UI, causing panicle enclosure in CMS rice ZS97A
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Gibberellins
|2 NLM
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| 650 |
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7 |
|a Indoleacetic Acids
|2 NLM
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| 650 |
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7 |
|a gibberellin A1
|2 NLM
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| 650 |
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7 |
|a 545-97-1
|2 NLM
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| 650 |
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7 |
|a indoleacetic acid
|2 NLM
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| 650 |
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7 |
|a 6U1S09C61L
|2 NLM
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| 650 |
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7 |
|a indoleacetic acid oxidase
|2 NLM
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| 650 |
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7 |
|a EC 1.11.-
|2 NLM
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| 650 |
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7 |
|a Peroxidases
|2 NLM
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| 650 |
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7 |
|a EC 1.11.1.-
|2 NLM
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| 700 |
1 |
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|a Gan, Lijun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ng, Denny
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Kai
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 58(2007), 10 vom: 15., Seite 2441-9
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
8 |
|g volume:58
|g year:2007
|g number:10
|g day:15
|g pages:2441-9
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| 912 |
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| 952 |
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|d 58
|j 2007
|e 10
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|h 2441-9
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