Effect of ectopic expression of NtEXPA5 gene on cell size and growth of organs of transgenic tobacco plants

被引：0
|
作者：
B. R. Kuluev
M. G. Safiullina
A. V. Knyazev
A. V. Chemeris
机构：
[1] Russian Academy of Sciences,Research Institute for Biochemistry and Genetics, Scientific Center of Ufa
来源：
Russian Journal of Developmental Biology | 2013年 / 44卷
关键词：
expansins; cell elongation; cell division; organ size; overexpression; transgenic plants;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We obtained transgenic tobacco plants demonstrating overexpression of NtEXPA5 gene that encodes α-expansin of Nicotiana tabacum. The transgenic plants were characterized by increased size of leaves and stems. However, size of flowers remained almost unchanged. The increase of organ sizes was induced by cell elongation only. Moreover, the number of cell divisions was even decreased. The obtained data suggest tight interaction between cell stretching regulation and cell division, which together provide the basic mechanism aimed at the controlling of plant organ sizes.
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页码：28 / 34
页数：6
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