Archive

  • Visit JGI.DOE.GOV
Our Science
Home › Science Highlights
Page 4 of 27« First«...23456...1020...»Last »

December 7, 2018

A Model System for Perennial Grasses

Field researchers studying drought responses in Panicum hallii at the UT Austin Brackenridge Field Lab. (David Gilbert)Panicum hallii genomes offer insights to drought tolerance. The Science Researchers have developed a genomic model to study drought tolerance in perennial grasses using Panicum hallii (Hall’s panicgrass), by generating two complete genomes from varieties that diverged over a million years ago. The hallii variety thrives in desert environments, while the filipes variety is less… [Read More]

October 19, 2018

Mining Metagenomes for Cas Proteins

Click on the image above or click here (https://youtu.be/iSEEw4Vs_B4) to watch a CRISPR Whiteboard Lesson from the Innovative Genomics Institute, this one focuses on the PAM sequence.Cas14 proteins discovered from JGI’s IMG/M database and biochemically characterized at UC Berkeley and the Innovative Genomics Institute.  The Science Researchers report the discovery of miniature Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) associated proteins that can target single-stranded DNA (ssDNA). The discovery was made possible by mining the datasets in the Integrated Microbial Genomes… [Read More]

October 8, 2018

Mapping Heat Resistance in Yeasts

At high temperature, S. paradoxus cells die in the act of cell division, as seen by the dyads with cell bodies shriveled away from the outer cell wall. (Images by Carly Weiss, courtesy of the Brem Lab)A new approach for improving functional annotation in fungal genomes. The Science In a proof-of-concept study, researchers demonstrated that a new genetic mapping strategy called RH-Seq can identify genes that promote heat resistance in the brewer’s/baker’s yeast Saccharomyces cerevisiae, allowing this species to grow better than its closest relative S. paradoxus at high temperatures (39°C/102°F)…. [Read More]

September 24, 2018

First Monoploid Reference Sequence of Sugarcane

The reference sequence is useful for mapping the genes involved in sugar production and for identifying different variants on different chromosomes, information that can be used to assemble a more complex and more realistic polyploid sugarcane genome now underway. (Rufino Uribe, CC-SA 2.0)Sorghum genome serves as a reference for the highly complex sugarcane genome. The Science Most species are diploids and have two sets of chromosomes, one from each parent. In contrast, many crops have multiple sets of chromosomes (they are “polyploid”) and their complex genomes are more difficult to sequence and assemble, in turn limiting the… [Read More]

September 5, 2018

Defining a Pan-Genome for Antarctic Archaea

Antarctica’s Deep Lake. (Rick Cavicchioli)Analysis of haloarchaeal metagenomes broadens understanding of Antarctic biogeography. The Science Haloarchaea flourish in hypersaline environments, and researchers are interested in learning how these microbes have learned to adapt from marine to hypersaline conditions by studying the microbial communities in Antarctic lakes, some of which have salinities 10 times that of seawater. To shed light… [Read More]

August 13, 2018

Corymbia Genome Expands Terpene Synthesis Knowledge

Corymbia citriodora subspecies citriodora is a native of north Queensland in Australia but is grown throughout the subtropics for essential oil production. (Photo by Mervyn Shepherd)Genome annotations of two C. citriodora subspecies broaden understanding of the terpene synthase gene family across eucalypt lineages. The Science From the distinct smell of eucalyptus to the flavor of wine, terpenes are ubiquitous. A diverse group of plant-produced organic compounds, terpenes play key roles in plant growth, defense, and environmental interactions. Terpenes are also… [Read More]

July 6, 2018

Innovative Technology Improves Our Understanding of Bacterial Cell Signaling

The molecule cyclic di-GMP plays a key role in controlling cellulose production and biofilm formation. To better understand cyclic di-GMP signaling pathways, the team developed the first chemiluminescent biosensor system for cyclic di-GMP and showed that it could be used to assay cyclic di-GMP in bacterial lysates. (Image courtesy of Hammond Lab, UC Berkeley)Newly developed chemiluminescent biosensors shed light on how bacteria function and colonize diverse environments. The Science Cyclic di-GMP (Guanine Monophosphate) is found in nearly all types of bacteria and interacts with cell signaling networks that control many basic cellular functions. It plays an important role in regulating microbial cellulose production and biofilm formation, which affects… [Read More]

June 13, 2018

Building Sphagnum Genomic Resources

Sphagnum fallax (Image courtesy of Jonathan Shaw, Duke University)Sphagnome data would enable researchers’ insights on their potential carbon cycling impact. The Science Enabled by the JGI’s Community Science Program (CSP), researchers are developing a number of resources to build up Sphagnum as a plant model system focused on carbon cycling studies, rather than for food or fuel applications. The Impact Sphagnum’s impact on… [Read More]

May 30, 2018

DAS Tool for Genome Reconstruction from Metagenomes

The Angelo Coast Range Reserve, from which soil samples were taken, protects thousands of acres of the upper watershed of South Fork of the Eel River (shown here) in Mendocino County. (Akos Kokai via Flickr, CC BY 2.0 https://www.flickr.com/photos/on_earth/17307333828/)Developing and validating an integrated approach to genome recovery from metagenomes. The Science Through the JGI’s Emerging Technologies Opportunity Program (ETOP), researchers have developed and improved upon a tool that combines existing DNA sequence binning algorithms, allowing them to reconstruct more near-complete genomes from soil metagenomes compared to other methods. The Impact Understanding how individual… [Read More]

May 23, 2018

Iron-rich Microbial Mats’ Main Players: Marsarchaeota

The iron (Fe)-oxide terraces at Echinus Geyser form from the oxidation of ferrous Fe, and the temperature across the terraces ranges from ~ 60-70ºC, while pH values vary from 3.4 to 3.6. A very thin (1-2 mm) layer of water flowing over the Fe-oxide terraces from the outflow channel at Echinus Geyser, located in Yellowstone National Park’s Norris Geyser Basin, is thought to provide the needed oxygen to create habitats suitable for the Marsarchaeota. (Bill Inskeep)Novel archaeal lineage found in Yellowstone may have been important in early Earth conditions. The Science Through a combination of sequencing tools and techniques applied to samples collected from acidic iron-oxide microbial mats in Yellowstone National Park over time, researchers have discovered and characterized a novel phylum-level lineage of archaea with at least two major… [Read More]
Page 4 of 27« First«...23456...1020...»Last »

More from the JGI archives:

  • Software Tools
  • Science Highlights
  • News Releases
  • Blog
  • User Proposals
  • 2018-24 Strategic Plan
  • Progress Reports
  • Historical Primers
  • Legacy Projects
  • Past Events
  • JGI.DOE.GOV
  • Disclaimer
  • Accessibility / Section 508
Lawrence Berkeley National Lab Biosciences Area
A project of the US Department of Energy, Office of Science

JGI is a DOE Office of Science User Facility managed by Lawrence Berkeley National Laboratory

© 1997-2025 The Regents of the University of California