New research by Paul Williams, staff scientist in the Molecular Biophysics & Integrated Bioimaging Division, suggests that our intake of coffee is affected by a positive feedback loop between genetics and the environment. This phenomenon, known as “quantile-specific heritability,” is also associated with cholesterol levels and body weight, and is thought to play a role in other human physiological and behavioral traits that defy simple explanation.
CRISPR Genome Editing Strategy Could Improve Rice, Other Crops
Scientists at UC Davis and collaborators at the Joint BioEnergy Institute (JBEI) have used CRISPR technology to genetically engineer rice with high levels of beta-carotene, the precursor of vitamin A. The technique they used provides a promising strategy for genetically improving rice and other crops. The study in Nature Communications was published by a research team led by Pam Ronald, a professor in the Genome Center and the Department of Plant Pathology at UC Davis and Scientific Lead of Plant Pathology at JBEI.
Biosciences Area 2020 LDRD Projects
The projects of 14 Biosciences Area scientists and engineers received funding through the FY20 Laboratory Directed Research and Development (LDRD) program. The funded projects span a diverse array of topics and approaches including: developing closed-loop plastics from biogenic feedstocks; reimagining a root system optimized for plant-microbe interactions; and creating computational tools for extracting macromolecular conformational dynamics. Lab-wide, 96 projects were selected from a field of 168 proposals. Biosciences Area efforts account for 18.5 percent of the $23 million allocated.
Diving deeper into a genus of fungi with bioenergy potential
A new study in Nature Communications further investigates a genus of fungi whose vast biochemical diversity makes it important for bioenergy applications.
The study, led by researchers at the Joint BioEnergy Institute, the the U.S. Department of Energy (DOE) Joint Genome Institute (JGI), a DOE Office of Science User Facility located at Lawrence Berkeley National Laboratory (Berkeley Lab), and the Technical University of Denmark, presents the first analysis of a section of Aspergillus fungi known as Flavi. The results are part of a long-term project to sequence the genomes of more than 300 Aspergillus fungi.
Banfield Team Studies Huge Bacteria-eating Viruses
Jill Banfield, an Earth and Environmental Sciences Area faculty scientist with a secondary appointment in the Environmental Genomics & Systems Biology Division, co-led a team to discover 351 different huge bacteria-eating phages. One of these is the largest bacteriophage known to date–with a genome that at 735,000 pairs long–is nearly 15 times longer than the average phage.
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