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Microbiology News
Fri, 24 Feb 2017 11:18:16 EST
More virus infection, please
Scientists have generated a new plasmid-based reverse genetics system for rotaviruses.
Fri, 24 Feb 2017 11:17:52 EST
How proteins reshape cell membranes
Small 'bubbles' frequently form on membranes of cells and are taken up into their interior. The process involves EHD proteins. Scientists have now shed light on how these proteins assemble on the surface of a cell and reshape its membrane.
Thu, 23 Feb 2017 12:43:13 EST
New link found between sex and viruses
Sexual reproduction and viral infections both rely on a functionally identical protein, according to new research. The protein enables the fusion of two cells, such as a sperm cell and egg cell, or the fusion of a virus with a cell membrane. The discovery suggests that the protein evolved early in the history of life on Earth, and new details about the protein's function could help fight parasitic diseases such as malaria.
Thu, 23 Feb 2017 10:20:28 EST
Viruses support photosynthesis in bacteria
Viruses propagate by infecting a host cell and reproducing inside. This not only affects humans and animals, but bacteria as well. This type of virus is called bacteriophage. They carry so called auxiliary metabolic genes in their genome, which are responsible for producing certain proteins that give the virus an advantage. Researchers have analyzed the structure of such a protein more closely. It appears to stimulate the photosynthesis of host bacteria.
Thu, 23 Feb 2017 10:18:47 EST
Mathematics supports a new way to classify viruses based on structure
Scientists have found new evidence to support a classification system for viruses based on viral structure.
Wed, 22 Feb 2017 14:58:02 EST
Scientists decipher the nanoscale architecture of a beetle's shell
A professor of mechanical and materials engineering has found a way to analyze the fibrous nanostructure of a beetle's lightweight but durable shell.
Wed, 22 Feb 2017 13:14:39 EST
Scientists discover how essential methane catalyst is made
New ways to convert carbon dioxide (CO2) into methane gas for energy use are a step closer after scientists discovered how bacteria make a component that facilitates the process. Recycling CO2 into energy has immense potential for making these emissions useful rather than a major factor in global warming. However, because the bacteria that can convert CO2 into methane, methanogens, are notoriously difficult to grow, their use in gas production remains limited.
Wed, 22 Feb 2017 12:56:37 EST
Researchers aim to disrupt egg production in dengue- and Zika-spreading mosquito
The mosquito Aedes aegypti, which can spread dengue fever, chikungunya, Zika fever, and yellow fever virus, requires a blood meal to develop eggs. One way to control the spread of these diseases is to tamper with the reproductive events that follow this mosquito's blood meal. A team of scientists has explored this at the molecular level. They focused on microRNAs, which play a critical role in mosquito egg maturation.
Wed, 22 Feb 2017 10:26:33 EST
Antimicrobial substances identified in Komodo dragon blood
In a land where survival is precarious, Komodo dragons thrive despite being exposed to scads of bacteria that would kill less hardy creatures. Now in a study, scientists report that they have detected antimicrobial protein fragments in the lizard's blood that appear to help them resist deadly infections. The discovery could lead to the development of new drugs capable of combating bacteria that have become resistant to antibiotics.
Wed, 22 Feb 2017 10:26:29 EST
Hybrid plant breeding: Secrets behind haploid inducers, a powerful tool in maize breeding
A common strategy to create high-yielding plants is hybrid breeding. However, getting the inbred lines in the first place can be a hassle. In maize, the use of so-called 'haploid inducers' provides a short cut to this cumbersome procedure, allowing to produce inbred lines in just one generation. A study now sheds light on the genetics behind haploid induction.
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