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February 6, 2017

Metagenomics Leads to New CRISPR-Cas Systems

The newly discovered CRISPR-CasY system was found in bacteria from deep underground at Crystal Geyser in California. (Jill Banfield, UC Berkeley)First CRISPR-Cas9 system in archaea discovered The Science Through metagenomic data generated by the DOE Joint Genome Institute, researchers analyzed 155 million protein coding genes from uncultivated microbial communities, leading to the discovery of the first CRISPR-Cas9 protein in the archaeal domain, and of two previously unknown simple bacterial CRISPR-Cas systems. The Impact Microbes play… [Read More]

February 2, 2017

Taking the First Steps to Colocating Biosciences at the Berkeley Lab

JGI Director Emeritus Eddy Rubin (left) in conversation with Berkeley Lab COO Glenn Kubiak (right) just before the IGB program in the Bldg 50 Auditorium.On January 31 at Berkeley Lab, a groundbreaking ceremony was held for the Integrative Genomics Building (IGB) that will be the home of DOE Joint Genome Institute (JGI) and DOE Systems Knowledgebase (KBase) in 2019. Flanked by dignitaries representing the Berkeley Lab, the Department of Energy Office of Science, and the University of California, incoming… [Read More]

January 19, 2017

Seeking Structure With Metagenome Sequences

From sample to structure. Top: Researchers gathering samples from Great Boiling Spring in Nevada. Left: a snapshot of aligned metagenomic sequences. Each row is a different sequence (the different colors are the different amino acid groups). Each position (or column) is compared to all other positions to detect patterns of co-evolution. Bottom: the strength of the top co-evolving residues is shown as blue dots, these are also shown as colored lines on the structure above. The goal is to make a structure that makes as many of these contacts as possible. Right: a cartoon of the protein structure predicted. The protein domain shown is from Pfam DUF3794, this domain is part of a Spore coat assembly protein SafA. (Image of Great Boiling Spring by Brian Hedlund, UNLV. Protein structure and composite image by Sergey Ovchinnikov, UW)Metagenomics database helps fill in 10 percent of previously unknown protein structures For proteins, appearance matters. These important molecules largely form a cell’s structures and carry out its functions: proteins control growth and influence mobility, serve as catalysts, and transport or store other molecules. Comprised of long amino acid chains, the one-dimensional amino acid sequence… [Read More]

January 16, 2017

Tracking Antarctic Adaptations in Diatoms

Scanning electron micrograph of two cells of Fragilariopsis cylindrus. Shown are two silica shells (Frustules) in valve view. Magnification: 15,000X; scale bar: 5 μm (Image credit: Gerhard S. Dieckmann)Comparative genome analysis provides clues on how climate change might impact evolutionary adaptation limits Diatoms are a common type of photosynthetic microorganism, found in many environments from marine to soil; in the oceans, they are responsible for more than a third of the global ocean carbon captured during photosynthesis. This leads to a significant amount… [Read More]

January 10, 2017

Industrial Biotechnology Leader to Assume the Helm of the DOE Joint Genome Institute

Nigel MounceyAfter a 9-month national search, Nigel Mouncey, currently Research and Development Director for Bioengineering and Bioprocessing at Dow AgroSciences LLC, has been selected as the Director of the U.S. Department of Energy Joint Genome Institute (DOE JGI), a DOE Office of Science User Facility. “Nigel brings the perfect set of scientific and management skills as… [Read More]

January 5, 2017

DOE JGI Research Featured in NOVA PBS story

Tree of Life by Zosia Rostomian for Banfield lab Nat Microbiol paper“Using the single-celled sequencing techniques that she had perfected at the Joint Genome Institute, Woyke and her colleagues ended up with exactly 201 genomes from these candidate phyla, representing 29 branches on the tree of life that scientists knew nothing about. ‘For many phyla, this was the first genomic data anyone had seen,’ she says.”… [Read More]

January 3, 2017

Eelgrass Genome Paper Makes 2016 Nature Editors’ Choice List

Zostera marina 021816 Nature cover“Eelgrass (Zostera marina) is an unlikely model for plant evolution, but is a useful one because it has undergone major habitat shifts: it evolved from marine algae into a terrestrial flowering plant, then moved back to the sea again.” Among the 10 papers that were included the Editors’ Choice list of the Nature journal is the… [Read More]

December 19, 2016

Of Mutualism and Lipid Metabolism in Fungi

Hyphae and asexual sporangia of Rhizopus microsporus (photo by Stephen Mondo). Inset shows a hypha with YFP-labeled Burkholderia endobacteria in green and DAPI-stained fungal nuclei in blue; scale bar, 5 um (photo by Olga Lastovetsky)Novel mechanism in bacterial-fungal symbiosis could have biodiesel production applications The Science To answer the challenge of producing renewable, sustainable alternative fuels, researchers aren’t just looking at developing candidate bioenergy crops but are also reviewing other natural sources of energy-dense oils such as fungi. To learn more about how bacteria interact with fungi in a… [Read More]

December 12, 2016

A JGI/EMSL Project in Discover’s 2016 Science Top 100 List

This is not one of the wells used in the study, but it shows what a site looks like during the drilling process. (Image courtesy of the MSEEL (Marcellus Shale Energy and Environment Laboratory www.mseel.org), where the Wrighton Lab is also conducting research.)“Microbiologists often seek life in the planet’s extremes — from below ice sheets to within geysers. But Appalachian Basin scientists found hydraulic fracturing, or fracking, also provides its own inhabited extremes in their backyard.” In Discover magazine’s list of top 100 science stories of 2016 is a study from The Ohio State University researchers that led… [Read More]

December 9, 2016

DOE JGI Database of DNA viruses and retroviruses debuts on IMG platform

This graphic depicts the geographic distribution of GOLD biosamples and organisms. Organism location of isolation is marked in pink while Biosample location of collection is denoted with blue dots. Updates to the Genomes OnLine Database (GOLD) are reported in the upcoming Database issue of Nucleic Acids Research. (Image from Supratim Mukherjee et al. Nucl. Acids Res. 2016;nar.gkw992)The Science In a series of four articles published in the Database issue of the Nucleic Acids Research journal, DOE JGI researchers report on the latest updates to several publicly accessible databases and computational tools that benefit the global community of microbial researchers. One report focuses on a new database dedicated global viral diversity. [Read More]
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