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万分感激！！！！ Requirement of KNAT1/BP for the Development of Abscission Zones in Arabidopsis thaliana |
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liganghua
铁杆木虫 (著名写手)
露天使
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amisking(金币+2,VIP+0): 10-21 17:34
amisking(金币+2,VIP+0): 10-21 17:34
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只看得了摘要啊！ 摘要: The KNAT1 gene is a member of the Class I KNOX homeobox gene family and is thought to play an important role in meristem development and leaf morphogenesis. Recent studies have demonstrated that KNAT1/BP regulates the architecture of the inflorescence by affecting pedicle development in Arabidopsis thaliana. Herein, we report the characterization of an Arabidopsis T-DNA insertion mutant that shares considerable phenotypic similarity to the previously identified mutant brevipedicle (bp). Molecular and genetic analyses showed that the mutant is allelic to bp and that the T-DNA is located within the first helix of the KNAT1 homeodomain (HD). Although the mutation causes a typical abnormality of short pedicles, propendent siliques, and semidwarfism, no obvious defects are observed in the vegetative stage. A study on cell morphology showed that asymmetrical division and inhibition of cell elongation contribute to the downward-pointing and shorter pedicle phenotype. Loss of KNAT/BP function results in the abnormal development of abscission zones. Microarray analysis of gene expression profiling suggests that KNAT1/BP may regulate abscission zone development through hormone signaling and hormone metabolism in Arabidopsis. 爱莫能助了啊！  |
2楼2009-10-16 12:33:47
liganghua
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3楼2009-10-16 12:36:37
liganghua
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dandan20088810(金币+5,VIP+0):太感谢了 10-21 17:05
1949stone(金币+2,VIP+0):鼓励一下 热心的朋友 10-21 21:20
dandan20088810(金币+5,VIP+0):太感谢了 10-21 17:05
1949stone(金币+2,VIP+0):鼓励一下 热心的朋友 10-21 21:20
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http://www.namipan.com/d/Require ... cf4e08c45a7724a0600 [ Last edited by liganghua on 2009-10-16 at 12:42 ] |
4楼2009-10-16 12:38:20
5楼2009-10-21 17:05:50
liganghua
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6楼2009-10-21 17:29:39
