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Microbiology News
Fri, 30 Sep 2016 15:19:01 EDT
CDC urging men at risk of Zika to postpone fatherhood
CDC today announced updates to its interim guidance for pre-pregnancy counseling and prevention of sexual transmission of Zika based on ongoing assessment of available data, primarily extending the timeframe for men with possible Zika exposure but no Zika symptoms to wait before attempting pregnancy with their partner and extending the time for use of condoms by these men to protect against sexual transmission of Zika virus infection.
Thu, 29 Sep 2016 14:38:08 EDT
Wind turbines killing more than just local birds
Wind turbines are known to kill large birds, such as golden eagles, that live nearby. Now there is evidence that birds from up to hundreds of miles away make up a significant portion of the raptors that are killed at these wind energy fields.
Thu, 29 Sep 2016 13:25:00 EDT
Structure of the BinAB toxin revealed
Could we get rid of mosquitoes without polluting the environment? Yes, we can, say researchers. The BinAB toxin, produced in crystal form by a bacterium, specifically kills the larvae of Culex and Anopheles mosquitoes, but it is inactive on tiger mosquitoes (or Aedes), the vectors for dengue fever and chikungunya. Knowledge of the molecular structure of BinAB is necessary if we are to broaden its spectrum of action.
Thu, 29 Sep 2016 13:24:47 EDT
Scientists reveal how signals from pathogenic bacteria reach danger sensors of cells
An essential protein induced by the signaling protein interferon is needed to activate danger-sensing proteins in the cytoplasm of cells, scientists describe in a new report.
Thu, 29 Sep 2016 08:22:00 EDT
Cells migrate collectively by intermittent bursts of activity
Cell migration is a central process in the development and maintenance of multicellular organisms. Researchers have now discovered that this motion occurs by intermittent bursts of activity. It can be described by universal scaling laws similar to the ones observed in other driven systems outside of biology.
Wed, 28 Sep 2016 22:13:54 EDT
Rare flu-thwarting mutation discovered
A rare and improbable mutation in a protein encoded by an influenza virus renders the virus defenseless against the body's immune system. This discovery could provide a new strategy for live influenza vaccines in the future, say scientists
Wed, 28 Sep 2016 21:27:35 EDT
New 'layer' of fungi exposed
In order to optimally utilize fungi, and to fight them when necessary, we require greater insight into the functions that they can perform. Researchers have exposed a new layer of functional complexity in fungi.
Wed, 28 Sep 2016 15:46:37 EDT
Plants: Defying frost and the cold with hormones
Plants cannot simply relocate to better surroundings when their environmental conditions are no longer suitable. Instead, they have developed sophisticated molecular adaptation mechanisms. Scientists have been able to demonstrate that brassinosteroids, which until now have mainly been regarded as growth hormones, increase the resistance of plants against frost.
Wed, 28 Sep 2016 15:35:45 EDT
New way to open insects' exoskeletons for study
Insects are tough animals to study. One reason is their armor-like coating, called an exoskeleton, which protects their organs. Researchers have discovered a technique to open the exoskeleton in order to study living organs and cells.
Wed, 28 Sep 2016 15:33:57 EDT
News from the primordial world
A new study offers a twist on a popular theory for how life on Earth began about four billion years ago. The study questions the "RNA world" hypothesis, a theory for how RNA molecules evolved to create proteins and DNA. Instead, the new research offers evidence for a world where RNA and DNA evolved simultaneously.
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