基本信息
浏览量:19
职业迁徙
个人简介
My lab is interested in the genetic control of carbon partitioning in maize. To characterize genes functioning in this process we have identified mutants that hyperaccumulate starch and soluble sugars in their leaves. Initially, we have focused our attention on mutants that produce variegated leaves as we hypothesize that these may be defective in sensing or signaling the build up of carbohydrates in the tissue. The best characterized is tie-dyed1 (tdy1) which develops leaf regions containing approximately ten-fold higher levels of carbohydrates compared to wild type. Cloning the gene determined that it encodes a novel protein expressed in the phloem. From our phenotypic and molecular expression studies, we propose that TDY1 acts as a sugar flux or an osmotic stress sensor to up-regulate sugar export into the veins, possibly through controlling sucrose transporters. Intriguingly, in response to the elevated sugar levels, the ultrastructure of the cell wall is altered, which we determined is associated with increased cellulose deposition. Ongoing research focuses on determining the function of TDY1, determining the biological functions of all maize sucrose transporters, characterizing additional carbon hyperaccumulation mutants and investigating the utility of manipulating the flux of carbon to the cell wall for biofuels production.
研究兴趣
论文共 97 篇作者统计合作学者相似作者
按年份排序按引用量排序主题筛选期刊级别筛选合作者筛选合作机构筛选
时间
引用量
主题
期刊级别
合作者
合作机构
Bioconjugate chemistryno. 8 (2023): 1398-1406
Sidharth Sen, Shannon K. King,Tyler McCubbin,Laura A. Greeley,Rachel A. Mertz, Cheyenne Becker,Nicole Niehues,Shuai Zeng, Jonathan T. Stemmle,Scott C. Peck, Melvin J. Oliver,Felix B. Fritschi,David M. Braun,Robert E. Sharp,Trupti Joshi
Journal of Experimental Botanyno. 9 (2023): 2787-2789
Bio-protocolno. 20 (2023)
Annual review of plant biology (2022): 553-584
Journal of Plant Physiology (2021): 153526-153526
加载更多
作者统计
#Papers: 97
#Citation: 4483
H-Index: 32
G-Index: 66
Sociability: 6
Diversity: 3
Activity: 18
合作学者
合作机构
D-Core
- 合作者
- 学生
- 导师
数据免责声明
页面数据均来自互联网公开来源、合作出版商和通过AI技术自动分析结果,我们不对页面数据的有效性、准确性、正确性、可靠性、完整性和及时性做出任何承诺和保证。若有疑问,可以通过电子邮件方式联系我们:report@aminer.cn