Regulatory Networks during Developmental Phase Transitions and Abiotic Stresses

发育阶段转变和非生物胁迫期间的调控网络

• 批准号: 327232-2012
• 负责人: Gazzarrini, Sonia
• 金额: $ 1.97万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2012
• 资助国家: 加拿大
• 起止时间: 2012-01-01 至 2013-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=506476
• 关键词: Regulatory; Networks; during; Developmental; Phase

Research in my laboratory focuses on understanding the molecular mechanisms that control the transition from the embryonic to the vegetative phase of development. This phase transition coincides with the break of dormancy and the onset of germination. The mechanisms controlling the embryonic-to-vegetative phase transition are poorly understood, despite the fact that they greatly affect crop yields worldwide. For instance, a problem in modern agriculture tightly linked to seed dormancy is pre-harvest sprouting of seeds (vivipary), when still attached to the mother plant in the field. This results in reduced grain quality and financial losses in a wide range of cereals. Therefore, there is great interest in reintroducing dormancy in certain cereal varieties without affecting other growth parameters.

我实验室的研究重点是了解控制从胚胎到营养发育阶段过渡的分子机制。这个阶段的转变与休眠的结束和发芽的开始是一致的。控制胚胎到营养阶段转变的机制尚不清楚，尽管它们极大地影响了世界范围内的作物产量。例如，现代农业中与种子休眠密切相关的一个问题是种子在收获前发芽（胎生），当时种子还附着在田间的母株上。这导致粮食质量下降和各种谷物的经济损失。因此，在不影响其他生长参数的情况下，对某些谷物品种重新引入休眠非常有兴趣。