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Microbiology News
Mon, 12 Nov 2018 19:19:05 EST
Planetary boundaries for antibiotic and pesticide resistance identified
Researchers have now published the first estimates of antibiotic and pesticide 'planetary boundaries.' The researchers suggest that if resistance to antibiotics and pesticides goes beyond these boundaries, societies risk large-scale health and agricultural crises. The results indicate one group of bacteria has passed a boundary.
Mon, 12 Nov 2018 09:59:34 EST
Stripping the linchpins from the life-making machine reaffirms its seminal evolution
This experiment had a good chance of crashing. Instead, it delivered whopping evidence to corroborate the earliest evolution of the translational system, the mechanisms which make life out of our genes. The study swapped out all its magnesium, tabula rasa, and showed that the system, centering on the ribosome, would have thrived basically as it is today 4 billion years ago at the earliest foundations of life on Earth.
Fri, 09 Nov 2018 18:57:26 EST
Salmonella found to be resistant to different classes of antibiotics
Common bacteria that cause foodborne diseases are resistant to antibiotics used to treat infections, according to research that identified 39 genes responsible for this resistance.
Fri, 09 Nov 2018 13:04:00 EST
Transmission of antibiotic resistant E. coli mapped in wild giraffe social networks
A team has shown that antibiotic-resistant Escherichia coli bacteria in wild giraffes most likely come from anthropogenic sources, such as local cattle herds and humans.
Fri, 09 Nov 2018 10:15:14 EST
Scientists simplify and accelerate directed evolution bioengineering method
Researchers reported that they have accelerated and simplified directed evolution by having live cells do most of the heavy lifting. By inserting a specially engineered DNA replication system into yeast, the scientists were able to coax selected genes to rapidly and stably mutate and evolve as the host yeast cells reproduced.
Fri, 09 Nov 2018 07:30:39 EST
A toast to the proteins in dinosaur bones
Burnt toast and dinosaur bones have a common trait, according to a new study. They both contain chemicals that, under the right conditions, transform original proteins into something new. It's a process that may help researchers understand how soft-tissue cells inside dinosaur bones can survive for hundreds of millions of years.
Thu, 08 Nov 2018 16:43:00 EST
Anopheles mosquitoes could spread Mayaro virus in US, other diverse regions
Mosquitoes of the genus Anopheles are well known as primary vectors of malaria. But a new study suggests that Anopheles species, including some found in the United States, also are capable of carrying and transmitting an emerging pathogen, Mayaro virus, which has caused outbreaks of disease in South America and the Caribbean.
Thu, 08 Nov 2018 14:24:40 EST
Using mice, researchers identify how allergic shock occurs so quickly
Researchers used mouse models to track how immune cells are triggered during anaphylactic shock. They describe a previously unknown mechanism in which a newly identified immune cell basically mines the blood vessels for allergens and then utilizes an unusual mechanism for rapidly delivering the blood-borne allergens to mast cells.
Thu, 08 Nov 2018 14:24:13 EST
Mark your calendar: All infectious diseases are seasonal
Most of us are aware of the seasonal cycle of influenza outbreaks, which for Americans peak in the winter. Scientists now make a case that all infectious diseases have a seasonal element.
Thu, 08 Nov 2018 14:23:23 EST
Replaying the tape of life: Is it possible?
A new review explores the complexity of evolution's predictability in extraordinary detail. In it, researchers closely examine evidence from a number of empirical studies of evolutionary repeatability and contingency in an effort to fully interrogate ideas about contingency's role in evolution.
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