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    Data yielded from RIViT-seq increased the number of sigma factor-gene pairs confirmed in Streptomyces coelicolor from 209 to 399. Here, grey arrows denote previously known regulation and red arrows are regulation identified by RIViT-seq; orange nodes mark sigma factors while gray nodes mark other genes. (Otani, H., Mouncey, N.J. Nat Commun 13, 3502 (2022). https://doi.org/10.1038/s41467-022-31191-w)
    Streamlining Regulon Identification in Bacteria
    Regulons are a group of genes that can be turned on or off by the same regulatory protein. RIViT-seq technology could speed up associating transcription factors with their target genes.

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    (PXFuel)
    Designer DNA: JGI Helps Users Blaze New Biosynthetic Pathways
    In a special issue of the journal Synthetic Biology, JGI scientific users share how they’ve worked with the JGI DNA Synthesis Science Program and what they’ve discovered through their collaborations.

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    A genetic element that generates targeted mutations, called diversity-generating retroelements (DGRs), are found in viruses, as well as bacteria and archaea. Most DGRs found in viruses appear to be in their tail fibers. These tail fibers – signified in the cartoon by the blue virus’ downward pointing ‘arms’— allow the virus to attach to one cell type (red), but not the other (purple). DGRs mutate these ‘arms,’ giving the virus opportunities to switch to different prey, like the purple cell. (Courtesy of Blair Paul)
    A Natural Mechanism Can Turbocharge Viral Evolution
    A team has discovered that diversity generating retroelements (DGRs) are not only widespread, but also surprisingly active. In viruses, DGRs appear to generate diversity quickly, allowing these viruses to target new microbial prey.

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    Photograph of a stream of diatoms beneath Arctic sea ice.
    Polar Phytoplankton Need Zinc to Cope with the Cold
    As part of a long-term collaboration with the JGI Algal Program, researchers studying function and activity of phytoplankton genes in polar waters have found that these algae rely on dissolved zinc to photosynthesize.

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    This data image shows the monthly average sea surface temperature for May 2015. Between 2013 and 2016, a large mass of unusually warm ocean water--nicknamed the blob--dominated the North Pacific, indicated here by red, pink, and yellow colors signifying temperatures as much as three degrees Celsius (five degrees Fahrenheit) higher than average. Data are from the NASA Multi-scale Ultra-high Resolution Sea Surface Temperature (MUR SST) Analysis product. (Courtesy NASA Physical Oceanography Distributed Active Archive Center)
    When “The Blob” Made It Hotter Under the Water
    Researchers tracked the impact of a large-scale heatwave event in the ocean known as “The Blob” as part of an approved proposal through the Community Science Program.

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    A plantation of poplar trees. (David Gilbert)
    Genome Insider podcast: THE Bioenergy Tree
    The US Department of Energy’s favorite tree is poplar. In this episode, hear from ORNL scientists who have uncovered remarkable genetic secrets that bring us closer to making poplar an economical and sustainable source of energy and materials.

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    HPCwire Editor's Choice Award (logo crop) for Best Use of HPC in the Life Sciences
    JGI Part of Berkeley Lab Team Awarded Best Use of HPC in Life Sciences
    The HPCwire Editors Choice Award for Best Use of HPC in Life Sciences went to the Berkeley Lab team comprised of JGI and ExaBiome Project team, supported by the DOE Exascale Computing Project for MetaHipMer, an end-to-end genome assembler that supports “an unprecedented assembly of environmental microbiomes.”

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    With a common set of "baseline metadata," JGI users can more easily access public data sets. (Steve Wilson)
    A User-Centered Approach to Accessing JGI Data
    Reflecting a structural shift in data access, the JGI Data Portal offers a way for users to more easily access public data sets through a common set of metadata.

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    Phytozome portal collage
    A More Intuitive Phytozome Interface
    Phytozome v13 now hosts upwards of 250 plant genomes and provides users with the genome browsers, gene pages, search, BLAST and BioMart data warehouse interfaces they have come to rely on, with a more intuitive interface.

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    screencap from Amundson and Wilkins subsurface microbiome video
    Digging into Microbial Ecosystems Deep Underground
    JGI users and microbiome researchers at Colorado State University have many questions about the microbial communities deep underground, including the role viral infection may play in other natural ecosystems.

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    Yeast strains engineered for the biochemical conversion of glucose to value-added products are limited in chemical output due to growth and viability constraints. Cell extracts provide an alternative format for chemical synthesis in the absence of cell growth by isolating the soluble components of lysed cells. By separating the production of enzymes (during growth) and the biochemical production process (in cell-free reactions), this framework enables biosynthesis of diverse chemical products at volumetric productivities greater than the source strains. (Blake Rasor)
    Boosting Small Molecule Production in Super “Soup”
    Researchers supported through the Emerging Technologies Opportunity Program describe a two-pronged approach that starts with engineered yeast cells but then moves out of the cell structure into a cell-free system.

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    These bright green spots are fluorescently labelled bacteria from soil collected from the surface of plant roots. For reference, the scale bar at bottom right is 10 micrometers long. (Rhona Stuart)
    A Powerful Technique to Study Microbes, Now Easier
    In JGI's Genome Insider podcast: LLNL biologist Jennifer Pett-Ridge collaborated with JGI scientists through the Emerging Technologies Opportunity Program to semi-automate experiments that measure microbial activity in soil.

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    A view of the mangroves from which the giant bacteria were sampled in Guadeloupe. (Hugo Bret)
    Giant Bacteria Found in Guadeloupe Mangroves Challenge Traditional Concepts
    Harnessing JGI and Berkeley Lab resources, researchers characterized a giant - 5,000 times bigger than most bacteria - filamentous bacterium discovered in the Caribbean mangroves.

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    In their approved proposal, Frederick Colwell of Oregon State University and colleagues are interested in the microbial communities that live on Alaska’s glacially dominated Copper River Delta. They’re looking at how the microbes in these high latitude wetlands, such as the Copper River Delta wetland pond shown here, cycle carbon. (Courtesy of Rick Colwell)
    Monitoring Inter-Organism Interactions Within Ecosystems
    Many of the proposals approved through JGI's annual Community Science Program call focus on harnessing genomics to developing sustainable resources for biofuels and bioproducts.

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    Coloring the water, the algae Phaeocystis blooms off the side of the sampling vessel, Polarstern, in the temperate region of the North Atlantic. (Katrin Schmidt)
    Climate Change Threatens Base of Polar Oceans’ Bountiful Food Webs
    As warm-adapted microbes edge polewards, they’d oust resident tiny algae. It's a trend that threatens to destabilize the delicate marine food web and change the oceans as we know them.

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Home › Items tagged with: LANL

Content Tagged "LANL"

Page 1 of 212»

March 9, 2012

Bioinformatics challenges for metagenomic analyses

There are more microbes in, on and around the planet than there are stars in the sky. However, the vast majority of these microorganisms have not yet been studied, in part because many of them do not thrive when moved out of their natural environment. A spoonful of soil contains a complex and diverse microbial… [Read More]

September 16, 2011

Soil biocrust microbial genome

One of the DOE JGI’s 2011 Community Sequencing Program projects involves studying biological soil crusts to understand their role in the global carbon cycle. Found in arid lands which make up nearly half of the planet’s total land mass, communities of lichens, mosses and cyanobacteria use soil particles to form biocrusts less than half an… [Read More]

August 12, 2011

Toward a Better Understanding of Soil-Microbe Interactions

In the August 2011 issue of the Journal of Bacteriology, a team of researchers led by DOE JGI’s Patrick Chain at Los Alamos National Laboratory focused on a microbe that can help or harm as the case may be. Ochrobactrum anthropi thrives in a variety of habitats including polluted soil, plants and even higher mammals…. [Read More]

March 17, 2011

Daphnia pulex project on LANL News Center

The journal Science has published the recently completed 200-million base-pair genome sequence of the water flea, Daphnia pulex. The DNA code is the largest number of genes ever recorded for a multicellular animal (more than in the human genome!), and one-third are of unknown function. Chris Detter of the Laboratory’s Genome Science and leader of… [Read More]

March 4, 2010

JGI researchers on Caliper’s Scientific Advisory Board

Caliper Life Sciences Inc., a Hopkinton-based provider of tools and services for drug discovery and life sciences research, recently formed a scientific advisory board to guide its efforts in automated sample preparation for next-generation and third-generation sequencing platforms. Read more at Metro West Daily News.  [Read More]

December 13, 2009

In Sequence interviews JGI’s Patrick Chain

As lead author of the recent Science paper on the need for new standards for the quality of genome sequences, JGI’s Patrick Chain sat down with In Sequence for an article published Dec. 10. [Read More]

October 9, 2009

Genome Project Standards paper covered by GenomeWeb

With sequencing speed increasing and cost decreasing, some have estimated that public databases will house 12,000 draft genomes by 2012. But because the quality and completion of these genomes varies dramatically, the authors suggest new standards are needed to classify draft and finished genomes — and everything in between. “Exponential leaps in raw sequencing capability… [Read More]

October 9, 2009

“Establishing standard definitions for genome sequences” on Science Codex

As the proverbial “fire hose of data” becomes a Niagara torrent, with conservative estimates of 12,000 draft genomes hitting the public databases by 2012, researchers may be surprised to find that these datasets describe genomes that are not complete. Recognizing the problem, a group of researchers from several sequencing centers, including the DOE Joint Genome… [Read More]

October 9, 2009

“Joint Announcement sets Six Genome Sequence Standards”

“Standards are a major issue to be tackled in genomics right now,” says Patrick Chain from Los Alamos National Laboratory (LANL), New Mexico, USA and joint first author. “These proposals are guideposts meant to inform users and generators.” A range of next-generation sequencing technologies, increasingly deployed in research, generate massive amounts of data in any… [Read More]

October 9, 2009

Need for standard definitions covered by PhysOrg

As the proverbial “fire hose of data” becomes a Niagara torrent, with conservative estimates of 12,000 draft genomes hitting the public databases by 2012, researchers may be surprised to find that these datasets describe genomes that are not complete. Recognizing the problem, a group of researchers from several sequencing centers, including the DOE Joint Genome… [Read More]
Page 1 of 212»

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