Researchers have succeeded in extracting a complete human genome from a thousands-of-years old ‘chewing gum.’ According to the researchers, it is a new untapped source of ancient DNA. …read more Source:: Science
Tag: bacteria
How ancient microbes created massive ore deposits, set stage for early life
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•Ancestors of modern bacteria cultured from an iron-rich lake in Democratic Republic of Congo could have been key to keeping Earth’s dimly lit early climate warm, and in forming the …read more Source:: Science
Lifestyle is a threat to gut bacteria: Ötzi proves it, study shows
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•The evolution of dietary and hygienic habits in Western countries is associated with a decrease in the bacteria that help in digestion. These very bacteria were also found in the …read more Source:: Science
How mucus tames microbes
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•New research reveals that glycans — branched sugar molecules found in mucus — can prevent bacteria from communicating with each other and forming infectious biofilms, effectively rendering the microbes harmless. …read more Source:: Science
How microbes generate and use their energy to grow
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•Researchers have shed light on how bacteria and baker’s yeast generate and use their energy to grow. Knowing about cells’ energy use is essential for industrial biotech processes. …read more Source:: Science
Anxiety might be alleviated by regulating gut bacteria
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•People who experience anxiety symptoms might be helped by taking steps to regulate the microorganisms in their gut using probiotic and non-probiotic food and supplements, suggests a review of studies. …read more Source:: Science
Methane-consuming bacteria could be the future of fuel
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•Researchers have found that the enzyme responsible for the methane-methanol conversion in methanotrophic bacteria catalyzes the reaction at a site that contains just one copper ion. This finding could lead …read more Source:: Science
Bacteria harness viruses to distinguish friend from foe
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•Bacterial cells that normally colonize our guts can distinguish themselves from other bacterial species using what’s traditionally considered their enemy — a virus. Researchers report that some bacteria use viruses …read more Source:: Science
New compound allows bacterial communication to be controlled by light
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•Scientists have succeeded in incorporating a light-controlled switch into a molecule used by bacteria for quorum sensing — a process by which bacteria communicate and subsequently control different cellular processes. …read more Source:: Science
Gum bacteria implicated in Alzheimer’s and other diseases
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•Researchers are reporting new findings on how bacteria involved in gum disease can travel throughout the body, exuding toxins connected with Alzheimer’s disease, rheumatoid arthritis and aspiration pneumonia. They detected …read more Source:: Science