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    A vertical tree stump outdoors with about a dozen shiitake mushrooms sprouting from its surface.
    Tracing the Evolution of Shiitake Mushrooms
    Understanding Lentinula genomes and their evolution could provide strategies for converting plant waste into sugars for biofuel production. Additionally, these fungi play a role in the global carbon cycle.

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    Soil Virus Offers Insight into Maintaining Microorganisms
    Through a collaborative effort, researchers have identified a protein in soil viruses that may promote soil health.

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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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    The switchgrass diversity panel growing at the Kellogg Biological Station in Michigan. (David Lowry)
    Mapping Switchgrass Traits with Common Gardens
    The combination of field data and genetic information has allowed researchers to associate climate adaptations with switchgrass biology.

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    Artist rendering of genome standards being applied to deciphering the extensive diversity of viruses. (Illustration by Leah Pantea)
    Expanding Metagenomics to Capture Viral Diversity
    Along with highlighting the viruses in a given sample, metagenomics shed light on another key aspect of viruses in the environment — their sheer genetic diversity.

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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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    Silver Age of GOLD Introduces New Features
    The Genomes OnLine Database makes curated microbiome metadata that follows community standards freely available and enables large-scale comparative genomics analysis initiatives.

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    Graphical overview of the RNA Virus MetaTranscriptomes Project. (Courtesy of Simon Roux)
    A Better Way to Find RNA Virus Needles in the Proverbial Database Haystacks
    Researchers combed through more than 5,000 data sets of RNA sequences generated from diverse environmental samples around the world, resulting in a five-fold increase of RNA virus diversity.

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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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    Digital ID card with six headshots reads: Congratulations to our 2022 Function Genomics recipients!
    Final Round of 2022 CSP Functional Genomics Awardees
    Meet the final six researchers whose proposals were selected for the 2022 Community Science Program Functional Genomics call.

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    CSP New Investigators FY23 R1
    JGI Announces First Round of 2023 New Investigator Awardees
    Twice each year we look for novel research projects aligned with DOE missions and from PIs who have not led any previously-accepted proposals through the CSP New Investigator call.

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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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    2022 JGI-UC Merced interns (Thor Swift/Berkeley Lab)
    Exploring Possibilities: 2022 JGI-UC Merced Interns
    The 2022 UC Merced intern cohort share how their summer internship experiences have influenced their careers in science.

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    Using Team Science to Build Communities Around Data
    As the data portals grow and evolve, the research communities further expand around them. But with two projects, communities are forming to generate high quality genomes to benefit researchers.

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    Cow Rumen and the Early Days of Metagenomics
    Tracing a cow rumen dataset from the lab to material for a hands-on undergraduate research course at CSU-San Marcos that has since expanded into three other universities.

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All JGI Features
Home › Archives for FY 2005
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September 12, 2013

A reassessment of the referral of sea turtle skulls to the genus Osteopygis (Late Cretaceous, New Jersey, USA)

Specimens referred to Osteopygis (Late Cretaceous-Paleocene, North America) represent a chimera, a polyphyletic mixture of taxa. The holotype of Osteopygis (AMNH 1485) and more complete referred postcranial specimens resemble non-marine stem cryptodires (“macrobacnids”). Because the skull material historically referred to Osteopygis shares synapomorphies with chelomid sea turtles, all current workers accept Osteopygis as a stem-cheloniid… [Read More]

September 12, 2013

Genetic markers in blue crabs (Callinectes sapidus) II. Complete mitochondrial genome sequence and characterization of genetic variation

Given the commercial and ecological importance of the dwindling Chesapeake Bay blue crab (Callinectes sapidus) population there is a surprising scarcity of information concerning the molecular ecology of this species. The few studies published to date are based on allozyme data and indicate a single, panmictic population along the Atlantic coast. To address this short-coming… [Read More]

September 12, 2013

Comparative genome sequencing of Drosophila pseudoobscura: Chromosomal, gene, and cis-element evolution

We have sequenced the genome of a second Drosophila species, Drosophila pseudoobscura, and compared this to the genome sequence of Drosophila melanogaster, a primary model organism. Throughout evolution the vast majority of Drosophila genes have remained on the same chromosome arm, but within each arm gene order has been extensively reshuffled, leading to a minimum… [Read More]

September 12, 2013

Gata4 expression in lateral mesoderm is downstream of BMP4 and is activated directly by Forkhead and GATA transcription factors through a distal enhancer element

The GATA family of zinc-finger transcription factors plays key roles in the specification and differentiation of multiple cell types during development. GATA4 is an early regulator of gene expression during the development of endoderm and mesoderm, and genetic studies in mice have demonstrated that GATA4 is required for embryonic development. Despite the importance of GATA4… [Read More]

September 12, 2013

A genetic perspective on the geographic association of taxa among and North American lizards of the Sceloporus magister complex (Squamata : Iguanidae : Phrynosomatinae)

[Read More]

September 12, 2013

Emendation of the Genus Blastobacter Zavarzin 1961 and Description of Blastobacter-Natatorius Sp-Nov

[Read More]

September 12, 2013

Comparative metagenomics of microbial communities

The species complexity of microbial communities and challenges in culturing representative isolates make it difficult to obtain assembled genomes. Here we characterize and compare the metabolic capabilities of terrestrial and marine microbial communities using largely unassembled sequence data obtained by shotgun sequencing DNA isolated from the various environments. Quantitative gene content analysis reveals habitat-specific fingerprints… [Read More]

September 12, 2013

Characterization of a diesel sludge microbial consortia for bioremediation

The organisms found growing in a mixed diesel sludge-chromium metal waste were characterized directly using environmental scanning electron microscopy (ESEM) and traditional fixation techniques with scanning electron microscopy (SEM). An attempt to identify organisms genetically directly from the sludge failed because of interference from chemicals in the waste with polymerase chain reaction (PCR). The organisms… [Read More]

September 12, 2013

Lack of MEF2A mutations in coronary artery disease

Mutations in MEF2A have been implicated in an autosomal dominant form of coronary artery disease (adCAD1). In this study we sought to determine whether severe mutations in MEF2A might also explain sporadic cases of coronary artery disease (CAD). To do this, we resequenced the coding sequence and splice sites of MEF2A in approximately 300 patients… [Read More]

September 12, 2013

The first complete chloroplast genome sequence of a lycophyte, Huperzia lucidula (Lycopodiaceae)

We used a unique combination of techniques to sequence the first complete chloroplast genome of a lycophyte, Huperzia lucidula. This plant belongs to a significant clade hypothesized to represent the sister group to all other vascular plants. We used fluorescence-activated cell sorting (FACS) to isolate the organelles, rolling circle amplification (RCA) to amplify the genome,… [Read More]
Page 1 of 3123»

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