Control of stomatal distribution on the Arabidopsis leaf surface

被引：411

作者：

Nadeau, JA ^{[1
]}

Sack, FD ^{[1
]}

机构：

[1] Ohio State Univ, Dept Plant Biol, Columbus, OH 43210 USA

来源：

SCIENCE | 2002年 / 296卷 / 5573期

关键词：

D O I：

10.1126/science.1069596

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Stomata regulate gas exchange and are distributed across the leaf epidermis with characteristic spacing. Arabidopsis stomata are produced by asymmetric cell divisions. Mutations in the gene TOO MANY MOUTHS (TMM) disrupt patterning by randomizing the plane of formative asymmetric divisions and by permitting ectopic divisions. TMM encodes a leucine-rich repeat-containing receptor-like protein expressed in proliferative postprotodermal cells. TMM appears to function in a position-dependent signaling pathway that controls the plane of patterning divisions as well as the balance between stem cell renewal and differentiation in stomatal and epidermal development.

引用

页码：1697 / 1700

页数：4

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