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Molecular Biology News
Fri, 13 Jan 2017 15:54:54 EST
Pig gene advance could boost sperm stocks from prized animals
Gene-editing techniques could help to improve stocks of farmed pigs by boosting supplies of sperm from prized sires. Scientists have created male pigs that could be used as surrogates capable of producing sperm that contains the genetic blueprint of sought-after pigs. Researchers say the breakthrough will allow farmers to preserve sperm from prized animals in perpetuity.
Fri, 13 Jan 2017 11:59:01 EST
MIA transport protein no longer missing in action
Scientists have made a breakthrough in understanding how valuable anti-cancer compounds are produced in the Madagascar Periwinkle (Catharanthus roseus).
Fri, 13 Jan 2017 09:04:44 EST
High-resolution pH imaging elucidates energy mechanisms in creating bacterial flagella
Researchers have developed methods to detect pH in vivo, and elucidate phenomena driving protein export in biological activities.
Thu, 12 Jan 2017 14:13:56 EST
Some cells need a 'haircut' before duplicating
Many of our cells are equipped with a hairlike 'antenna' that relays information about the external environment to the cell, and scientists have already discovered that the appearance and disappearance of these so-called primary cilia are synchronized with the process of cellular duplication, called mitosis.
Thu, 12 Jan 2017 14:13:50 EST
Master regulator of cellular aging discovered
Scientists have discovered a protein that fine-tunes the cellular clock involved in aging.
Thu, 12 Jan 2017 14:12:03 EST
Biologists discover how viruses hijack cell's machinery
Biologists have documented for the first time how very large viruses reprogram the cellular machinery of bacteria during infection to more closely resemble an animal or human cell -- a process that allows these alien invaders to trick cells into producing hundreds of new viruses, which eventually explode from and kill the cells they infect.
Thu, 12 Jan 2017 11:08:40 EST
Viruses in genome important for our brain
Over millions of years retroviruses have been incorporated into our human DNA, where they today make up almost 10 per cent of the total genome. A research group has now discovered a mechanism through which these retroviruses may have an impact on gene expression. This means that they may have played a significant role in the development of the human brain as well as in various neurological diseases.
Thu, 12 Jan 2017 08:56:08 EST
Dengue, Zika virus family uses an unexpected approach to hijack human cell machinery
Flaviviruses -- a family that includes Dengue, Zika and West Nile viruses -- use an unexpected mechanism to hijack the cell's machinery to replicate themselves compared to many other RNA viruses. These findings highlight new ways by which viruses manipulate human cells and may reveal new targets for designing antiviral therapies.
Thu, 12 Jan 2017 08:37:19 EST
Simple fats, amino acids to explain how life began
A research group has explored how the chemical molecules that could have given rise to life were assembled.
Wed, 11 Jan 2017 18:45:17 EST
Bacterial protein structure could aid development of new antibiotics
Bacterial cells have an added layer of protection, called the cell wall, that animal cells don't. Assembling this tough armor entails multiple steps, some of which are targeted by antibiotics like penicillin and vancomycin. Now researchers have provided the first close-up glimpse of a protein, called MurJ, which is crucial for building the bacterial cell wall and protecting it from outside attack. The findings could be used to develop new broad-spectrum antibiotics.
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