Cycads: evolutionary innovations and the role of plant-derived neurotoxins

被引：129

作者：

Brenner, ED ^{[1
]}

Stevenson, DW ^{[1
]}

Twigg, RW ^{[1
]}

机构：

[1] New York Bot Garden, Bronx, NY 10458 USA

来源：

TRENDS IN PLANT SCIENCE | 2003年 / 8卷 / 09期

关键词：

D O I：

10.1016/S1360-1385(03)00190-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Cycads are an important relic from the past and represent the oldest living seed plants. Cycads have been instrumental in our understanding the evolution of angiosperms and gymnosperms because they have recognizable morphological characteristics intermediate between less-recently evolved plants such as ferns and more-derived (advanced) plants including the angiosperms. Cycads also produce several compounds that are carcinogenic and neurotoxic. Because of their unique placement in terrestrial plant evolution, molecular studies should help to define the origins of structures that led to the rise of seed plants and the role of neurotoxic compounds that are found in cycads.

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页码：446 / 452

页数：7

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