The ability to promote agricultural and conservation successes in the face of rapid environmental change will partly hinge on scientists' understanding of how plants adapt to local climate.
To improve scientists' understanding of this phenomenon, a study in the Oct. 7, 2011 issue of Science helps define the genetic bases of plant adaptations to local climate. The National Science Foundation partly funded the study, which was conducted by Alexandre Fournier-Level of Brown University and colleagues.
The study involved growing a diverse panel of strains of the mustard plant, Arabidopsis, in various locations within its native range in Finland, Germany, England and Spain. Then, the genetic mutations increasing plant fitness in each of these locations were identified.
Results show that the preferred climate of each strain of Arabidopsis is conferred by the presence of a relatively small number of genes; different sets of genes control adaptability to different types of climates; and the presence of a particular set of climate genes in a single plant is not necessarily mutually exclusive to the presence of another. These findings mean that it may be possible to combine various sets of climate genes in a single Arabidopsis strain in order to generate a strain that would be able to thrive in multiple types of climates. Such adaptability would help the plant accommodate climate change.Media Contacts
Lily Whiteman | EurekAlert!
Climate Impact Research in Hannover: Small Plants against Large Waves
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Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
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