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The lab of Thomas D. Sharkey have characterized a sucrose transporter protein found in common beans. The recently discovered protein, called PvSUT1.1, could help us understand how beans tolerate hot temperatures.
Building on years of breakthrough research, Michigan State University biochemist and Associate Director of the Plant Resilience Institute Thomas Sharkey has received a four-year, $898,946 grant from the National Science Foundation (NSF) to continue his research on isoprene emission from plants. The four-year grant will focus on the evolutionary pattern of the appearance and loss of isoprene emission among various land plants, and the impact of these emissions have on the atmosphere.
In a new study published in PNAS, PRI scientists led by Horticulture-Plant Resilience Institute faculty member Robert VanBuren show that some grasses can survive typically lethal drought events through entering a dormant, desiccated state until the return of water. In the study, the team aimed to find what distinguishes this unique desiccation tolerance response from conserved drought responses observed in all grasses. They identified genomic and expression changes distinguishing the desiccation-tolerant grass Eragrostis nindensis from its sensitive crop relative Eragrostis tef and then expanded these analyses to include several cereals to identify broadly conserved and divergent patterns during water-deficit stress. They found that the distinction between drought and desiccation in grasses is subtle, where genes with essential roles in seed development are broadly expressed during water-deficit stress. They propose that many of the pathways enabling desiccation tolerance are of ancient origin with universal roles in water deficit, and are conserved across grasses.
Gregg is a University Distinguished Professor in the MSU-DOE Plant Research Laboratory and the Department of Biochemistry & Molecular Biology and has been investigating the impact of heat stress on resistance in tomato to insect pests in the PRI.
MSU plant pathologist Brad Day has received a nearly $1 million grant from the National Science Foundation to extend his study on how plants, at the cellular level, respond to disease threats.