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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: sorghum

Content Tagged "sorghum"

Page 1 of 212»

May 18, 2012

Foxtail Millet Genome an Improved Reference for Switchgrass

The DOE is interested in switchgrass as a prospective biofuels feedstock, but its genome is complicated because it has multiple copies of its chromosomes. As the world leader in sequencing plants and other organisms for their relevance to DOE missions, the JGI has sequenced switchgrass and several other plants that are candidate plant feedstocks; other… [Read More]

May 17, 2012

Foxtail millet project in Biofuels Digest

In an attempt to piece together the switchgrass genome, the DOE Joint Genome Institute (JGI) in an international partnership with includes the DOE BioEnergy Science Center (BESC) and the DOE Joint BioEnergy Institute (JBEI) has sequenced plant genomes of related candidate bioenergy crops such as sorghum and the model grass Brachypodium but may have found the missing… [Read More]

May 16, 2012

Foxtail millet genome project in AgProfessional

One of the challenges in studying grasses for bioenergy applications is that they typically have long lifecycles and complex genomes. Jeremy Schmutz, head of the DOE JGI Plant Program at the HudsonAlpha Institute of Biotechnology, pointed out that foxtail millet has several advantages as a model. It’s a compact genome roughly half a billion bases… [Read More]

April 13, 2012

An alternative surrogate for gene discovery in switchgrass

Selected for the DOE JGI 2007 Community Sequencing Program because of traits such as high yield, perennial growth and low nutrient requirements, switchgrass is a promising candidate bioenergy crop that could be used to develop cellulosic biofuels. One of the challenges with sequencing switchgrass is the fact that it is a polyploid, containing multiple, full… [Read More]

November 10, 2011

Danforth Center highlights plant projects for CSP 2012

The U.S. Department of Energy (DOE) Joint Genome Institute (JGI) has selected two projects from a highly competitive pool of applications, submitted by Danforth Plant Science Center Principal Investigators, Dr. Thomas Brutnell and Dr. Todd Mockler as part of its 2012 Community Sequencing Program (CSP). Read more at the Danforth Center News site. [Read More]

June 17, 2011

Cassava project in Bloomberg View

Over the past few years, the U.S. Department of Energy’s Joint Genome Institute has taken up the challenge to sequence additional starches that could make a significant difference in developing nations where corn and soybean are less important than such staples as foxtail millet, sorghum and cassava. Such crops, if engineered to be more nutritious,… [Read More]

February 18, 2010

Brachypodium genome project on Farm Futures

USDA scientists and their colleagues at the Department of Energy’s Joint Genome Institute say they have completed sequencing the genome of a kind of wild grass that will enable researchers to shed light on the genetics behind hardier varieties of wheat and improved varieties of biofuel crops. The grass, Brachypodium distachyon, can be used by… [Read More]

February 18, 2010

Brachypodium genome project on UC Newsroom

“The sequencing and analysis of the Brachypodium genome is an important advance toward securing sustainable supplies of food, feed and fuel from new generations of grass crops,” said DOE JGI collaborator John Vogel of the U.S. Department of Agriculture Agricultural Research Service (ARS). “Since Brachypodium has the traits required to serve as a functional model… [Read More]

February 18, 2010

Brachypodium genome on ScienceDaily

Representative genomes for two of the three major subfamilies of grasses ⎯ those that include rice, maize, sorghum and sugar cane⎯ have already been sequenced. Now in the February 11 edition of the journal Nature, the International Brachypodium Initiative, a consortium which includes researchers from the DOE Joint Genome Institute (DOE JGI), presents the complete… [Read More]

July 14, 2009

JGI Summer 2009 Primer now available for download

Featuring, in no particular order: Micromonas algae and the global carbon cycle the brown-rot fungus Postia placenta JGI researchers call for standards in genome sequencing and annotation at a conference in Santa Fe, NM studying the Great Salt Lake in Utah on JGI User Meeting keynotes by Chris Somerville, Craig Venter and George Church, plus… [Read More]
Page 1 of 212»

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