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January 20, 2019
An international team tracked the genomic composition of microbes in thawing permafrost to determine which had the greatest impact on releases of carbon dioxide and methane into the atmosphere.
Uncovering the Microbial Food Web in Thawing Permafrost
Recovery of more than 1500 microbial genomes shines light on how carbon is metabolized as permafrost thaws.
January 20, 2019
Helicopter view of thawing permafrost field site, Stordalen Mire, in northern Sweden.
Getting To Know the Microbes that Drive Climate Change
The genetics of viruses living along a permafrost thaw gradient may help scientists better predict the pace of climate change.
January 18, 2019
Tree death shuts off photosynthesis and increases carbon release (from dead wood), leaving more carbon dioxide in the atmosphere.
A Challenging Future for Tropical Forests
Mortality rates of moist tropical forests are on the rise due to environmental drivers and related mechanisms.
January 14, 2019
Shallow cumulus clouds are big players in regulating the planet’s temperature. A new system gives researchers a 3-D view of these clouds and will help them test ideas about how such clouds act.
Observing Clouds in Four Dimensions
Six cameras are revolutionizing observations of shallow cumulus clouds.
January 14, 2019
On the surface of the Greenland Ice Sheet, well-like shafts form. Water travels through these shafts to the glacier bed below. Scientists showed how these conduits, called moulins, form.
Rapid Lake Draining on Ice Sheets Changes How Water Moves in Unexpected Ways
Widespread fracturing during lake drainage triggers vertical shafts to form that affect the Greenland Ice Sheet.
January 14, 2019
Scientists are working to better understand how aerosols, including those that build up in the air from urban environments, affect the atmosphere and Earth system processes.
New Historical Emissions Trends Estimated with the Community Emissions Data System
The data system will allow for more detailed, consistent, and up-to-date global emissions trends that will aid in understanding aerosol effects.
January 11, 2019
An international research team peered deep into the atomic-level workings of water vapor on a nickel-chromium alloy to provide new insights that could help prevent metal corrosion.
Peering into the Mist: How Water Vapor Changes Metal at the Atomic Level
New insights into molecular-level processes could help prevent corrosion and improve catalytic conversion.
January 11, 2019
An international team tracked the genomic composition of microbes (purple and green) in thawing permafrost to determine which had the most impact on releases of carbon dioxide and methane to the atmosphere.
Microbial Types May Prove Key to Gas Releases from Thawing Permafrost
Scientists discover key types of microbes that degrade organic matter and release carbon dioxide and methane into the atmosphere.
January 11, 2019
A genome-wide CRISPRCas9- & homology-directed-repair-assisted genome-scale engineering library can be synthesized, cloned, & delivered to yeast cells.The resulting yeast mutant library can be used for high-throughput screening of microbial cell factories.
New Method Knocks Out Yeast Genes with Single-Point Precision
Researchers can precisely study how different genes affect key properties in a yeast used industrially to produce fuel and chemicals.
January 9, 2019
Inside the long leaf and leaf sheath of a model grass, plants store a six-carbon sugar (red, immunolabeling). Understanding how plants pack in the sugar could help in engineering sorghum plants to produce more sugars for biofuels.
How Plants Regulate Sugar Deposition in Cell Walls
Identified genes involved in plant cell wall polysaccharide production and restructuring could aid in engineering bioenergy crops.
January 9, 2019
Both pulcherrimin and isobutanol (see flowchart) are derived from a common pathway. Some yeasts (left) are particularly adept at making pulcherrimin.
Scientists Identify Gene Cluster in Budding Yeasts with Major Implications for Renewable Energy
How yeast partition carbon into a metabolite may offer insights into boosting production for biofuels.
December 26, 2018
More Designer Peptides, More Possibilities
Scientists from the University of Washington, Stanford University, and the Pacific Northwest National Laboratory (PNNL) created a computational
December 18, 2018
Clarifying Rates of Methylmercury Production
Mercury is a toxic element that occurs naturally and as an anthropogenic pollutant in the environment. The neurotoxin monomethylmercury (MMHg) is a
December 18, 2018
Small Particles Play Large Role in Tropical Thunderstorms
The biggest challenge in unraveling the effect of aerosols on clouds and climate is isolating their effects from changes due to other environmental
December 18, 2018
Drought Stress Changes Microbes Living at Sorghum’s Roots
Drought stress can greatly reduce the health and productivity of plants, including candidate bioenergy feedstocks such as sorghum. Microbial
December 12, 2018
How to Get Nuanced Details at the Top of the World
Researchers designed a novel strategy that exploits measurements obtained four ways: 1) electrical resistivity tomography to monitor soil
December 12, 2018
Ice Formed by Contact Freezing: Pressure Matters, Not Just Temperature
In the atmosphere, droplets of liquid water are frequently found at temperatures below the freezing point of water (0 degrees Celsius) down to
December 12, 2018
Future Loss of Arctic Sea-Ice Cover Could Contribute to the Substantial Decrease in California’s Rainfall
The dramatic Arctic sea-ice loss observed over the satellite era has intensified debate into whether these high-latitude changes are affecting
December 11, 2018
During Droughts, Bacteria Help Sorghum Continue Growing
Researchers from the University of California at Berkeley, University of California at Davis, Agricultural Research Service of the U.S. Department
November 28, 2018
Newly Discovered Bacteria Breaks Down Biomass
Using detailed information about the molecular biology of switchgrass and corn stover—both widely used to create biofuels—scientists
November 26, 2018
New Technology Consistently Identifies Proteins from a Dozen Cells
Scientists at EMSL, the Environmental Molecular Sciences Laboratory, developed the nanoPOTS platform to minimize sample losses and expand the
November 26, 2018
Optimal Foraging: How Soil Microbes Adapt to Nutrient Constraints
A team of scientists set out to determine whether the theory of optimal foraging, which suggests any ecological community will adjust its
November 21, 2018
How a Bacterium Uses Multiple Enzymes to Degrade Plant Biomass
Lignocellulosic biomass represents nearly 90 percent of the dry weight of total plant biomass material and is composed of cellulose and lignin.
November 21, 2018
More Designer Peptides, More Possibilities
Scientists from the University of Washington, Stanford University, and the Pacific Northwest National Laboratory (PNNL) created a computational
November 9, 2018
Microbes Eat the Same in Labs and the Desert
Scientists can determine the structure and metabolic potential of microbial communities by established metagenomic approaches. However, linking