Based on their results, the Berkeley Lab scientists recommend that future Earth system models include a more nuanced and dynamic depiction of
how soil microbes go about the business of degrading organic matter and freeing up carbon.
A large longitudinal experiment in a tropical rain forest examines
how soil microbes adapt genetically to nutrient changes in the soil.
In order to better understand
how soil microbes respond to the changing atmosphere, the study's authors utilized statistical techniques that compare data to models and test for general patterns across studies.
Microbes in the bog generate methane from this carbon, but researchers aren't sure
how the soil microbes go from frozen to marshy methane producers.
Not exact matches
«By understanding
how microbes work and modifying the environments where they function, we can eventually engineer microbial communities to enhance
soil productivity.
«Rather than
soil microbes and plants, I studied the bugs in your gut and
how they influence it,» Bry says.
In the first study of its kind, Rice University scientists have used synthetic biology to study
how a popular
soil amendment called «biochar» can interfere with the chemical signals that some
microbes use to communicate.
Understanding
how microbial communities in the biocrusts adapt to their harsh environments could provide important clues to help shed light on the roles of
soil microbes in the global carbon cycle.
As to
how the nanoparticles impact plant growth, Colman says his guess it that «partly they are impacting the
soil microorganisms directly, partly they are impacting the plants directly, and no doubt the
microbes are having impacts on the plants... that could directly influence
how the plants are growing.
«To not consider
how microbes influence
soil carbon in offsetting ways, promoting losses through enhanced decomposition but gains by protecting
soil carbon, would lead to overestimates or underestimates of the role
soils play in influencing global climate.»
Understanding
how microbes inside a dead body colonise it can help pathologists work out the time of death, where the body has been lying, and
how its decomposition could affect the
soil and ecology around it.
Northen and his collaborators deployed a set of tools that he calls «exometabolomics» which harnesses the analytical capabilities of the latest mass spectrometry techniques to quantitatively measure
how each
microbes and the biocrust community transforms complex mixtures of metabolites, in this case, from
soil.
As the climate warms and some tree species shift toward cooler, more hospitable habitats, new research finds
soil microbes could be playing a crucial role in determining where young trees can migrate and
how well they survive when they arrive.
But researchers report today that they've figured out
how to predict the structures of hundreds of unmapped proteins by gleaning insights from one of the strangest of places: «metagenomics» projects that sequence DNA from broad swaths of
microbes in the
soils and seas.
In addition, at the meeting, they will describe a computer program that predicts
how the
microbe will react to forces, such as water pressure, transferred through
soil under a building foundation (as depicted in the illustration).
Our world is teeming with
microbes and we are scouring the oceans,
soil, and human body to learn
how they affect all these environments.
A research team led by graduate student researcher Shannon Hagerty and Paul Dijkstra, biological sciences associate research professor, measured two key characteristics of
soil microbes that determine their role in the
soil carbon cycle:
how efficiently they use carbon to grow and
how long they live.
Microbes in
soil determine in large part
how the planet stores carbon, when and
how carbon is released into the environment,
how plants take up nutrients and
how crops fare.
We could build these complicated three - dimensional pictures of
how microbes are influencing the area around the root and
soil.
The data would help researchers understand
how microbes capture and store carbon dioxide from the atmosphere,
how they break down organic matter so that plants can access its nutrients, and
how they neutralize
soil toxins known to threaten human health.
Pearce, who came to the Laboratory in 2009, is investigating
how minerals and
microbes affect technetium and other radionuclides in the
soil at a former plutonium production site in southeastern Washington State.
When a landscape architect set out to change the state of the
soil in her garden, she ended up learning a lot more about
microbes,
how they communicate with our immune system, and our own cancer risk.