5,615 results
5,615 results for: Bacteria
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Sound Off
By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.
- Plants
Rewriting the Nitrogen Story: Plant cycles nutrient forward and backward
For the first time, a green plant has been found to break down nitrogen-containing compounds into the readily usable form of nitrates, a job usually done by microbes.
- Health & Medicine
Could refrigeration explain Crohn’s rise?
Crohn's disease, marked by inflammation of the small intestine, could be caused by refrigeration of meats, a process that selects for hardy bacteria that handle cold temperatures well, researchers hypothesize.
- Health & Medicine
Viruses, but not bacteria, tied to mental decline
Past infection by multiple common viruses may contribute to cognitive decline in some elderly people.
- Animals
Poison Source: Toxic birds may get chemical from beetle
When some poisonous New Guinea birds eat certain tiny beetles, they may be stocking up on the toxic substance they use to defend themselves.
- Earth
Deep Squeeze: Experiments point to methane in Earth’s mantle
Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more.
- Health & Medicine
Compound in salsa kills off Salmonella
Cilantro, one of the key ingredients of salsa, harbors an antibacterial compound that attacks Salmonella bacteria.
- Earth
Toxic cleanups get a boost
Researchers have developed and field-tested a new technique that identifies specific soil microbes that can break down environmental pollutants.
- Earth
Two microbes team up to munch methane
Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.
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Two-handed protein may protect DNA
An unusually shaped protein may help a bacterium thrive in tough times.
- Health & Medicine
Formula for Failure
A bacterium that has been known to cause rare, yet fatal infections in infants appears to be more widespread than scientists have realized.
- Health & Medicine
‘Harmless’ Alga Indicted for Mussel Poisoning
A common algal species turns out to be a serious food-poisoning agent.
