Molecular Biophysics & Integrated Bioimaging (MBIB) Division scientists Aaron Brewster, Nicholas Sauter, and James Fraser were part of an international team led by William DeGrado at UCSF that used an X-ray free-electron laser (XFEL) source to visualize the arrangement of water molecules inside the influenza matrix 2 (M2) channel at room temperature. The M2 channel of influenza A is essential for the reproduction of the flu virus, making it a target for therapeutics, and it is also a model system for studying how protons are transported across a membrane bilayer. The XFEL method overcomes the limitations of previous crystallographic structures obtained using synchrotron radiation with cryocooling. While cryocooling helps to preserve crystals against rapid radiation damage, it imparts an artificially higher degree of order of the water molecules than structures obtained near room temperature. By using room temperature XFEL to study the M2 channel at various pH conditions, the researchers have gained a more accurate picture of the behavior of water molecules and their role in proton transport in these channels. The study was published in the Proceedings of the National Academy of Sciences.
Internship Fuels a Student’s Budding Career in Science
This summer, Carolina Gutierrez completed her second internship through the DOE’s Community College Internship (CCI) program at the Lab’s Advanced Biofuels Process Demonstration Unit, mentored by Ling Liang. She is also active in trying to recruit other community college students to pursue STEM education. Learn more about Gutierrez’s internship here, and check out her Instagram takeover.
Another Successful Year for Biotech Partners Interns at Biosciences Area
The Biosciences Area partnered once again with Biotech Partners to provide paid summer internships to high school students. This year six high school students worked side by side with Biosciences researchers across the Area’s laboratories. The mission of the non-profit Biotech Partners is to educate underserved youth in the Bay Area with personal, academic and professional development experiences that increase participation in higher education and access to fulfilling science careers.
Dub-seq Named a Finalist for R&D 100 Awards
A method for discovering gene function in microbes developed by Adam Arkin, Adam Deutschbauer, Vivek Mutalik, and Pavel Novichkov of the Environmental Genomics and Systems Biology division has been shortlisted for R&D Magazine’s 2017 R&D 100 Award. The technology, called Dual Barcoded Shotgun Expression Library Sequencing (Dub-seq), combines the shotgun expression library method and next generation sequencing method developed through the ENIGMA program. Now in its 55th year, the prestigious R&D 100 Awards program recognizes the most innovative inventions of the prior year. The winners will be announced and honored at a black-tie ceremony to be held this fall in conjunction with the annual R&D 100 Conference.
iCLEM Celebrates 10th Anniversary
The Introductory College Level Experience in Microbiology (iCLEM), JBEI’s microbiology program, provides hands-on experience for high potential, low-income high school students. The summer intensive program celebrated its tenth anniversary this year. Read more on the JBEI website.
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