期刊
JOURNAL OF EXPERIMENTAL BOTANY
卷 66, 期 14, 页码 4165-4176出版社
OXFORD UNIV PRESS
DOI: 10.1093/jxb/erv011
关键词
Bioenergy grasses; biotic stress; herbivory; jasmonate; maize; trade-off; Setaria viridis
资金
- USDA-AFRI NIFA [2014-67012-22269]
- DOE [DE-SC0008769]
- US Department of Energy, Office of Science [DE-FOA-0000995]
- US Department of Energy, Office of Biological and Environmental Research (BER) [DE-FOA-0000995]
- US Department of Energy, Office of Basic Energy Sciences (BES) [DE-FOA-0000995]
- NIFA [2014-67012-22269, 687950] Funding Source: Federal RePORTER
Growth-defence balance is the selective partitioning of resources between biomass accumulation and defence responses. Although it is generally postulated that reallocation of limited carbon pools drives the antagonism between growth and defence, little is known about the mechanisms underlying this regulation. Jasmonates (JAs) are a group of oxylipins that are required for a broad range of responses from defence against insects to reproductive growth. Application of JAs to seedlings also leads to inhibited growth and repression of photosynthesis, suggesting a role for JAs in regulating growth-defence balance. The majority of JA research uses dicot models such as Arabidopsis and tomato, while understanding of JA biology in monocot grasses, which comprise most bioenergy feedstocks, food for human consumption, and animal feed, is limited. Interestingly, JA mutants of grasses exhibit unique phenotypes compared with well-studied dicot models. Gene expression analyses in bioenergy grasses also suggest roles for JA in rhizome development, which has not been demonstrated in Arabidopsis. In this review we summarize current knowledge of JA biology in panicoid grasses-the group that consists of the world's emerging bioenergy grasses such as switch-grass, sugarcane, Miscanthus, and sorghum. We discuss outstanding questions regarding the role of JAs in panicoid grasses, and highlight the importance of utilizing emerging grass models for molecular studies to provide a basis for engineering bioenergy grasses that can maximize biomass accumulation while efficiently defending against stress.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据