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Microbiology News
Mon, 08 Feb 2016 15:15:05 EST
A new role for vitamin B6 in plants
Vitamin B6 is essential for all living organisms. Researchers have discovered an unexpected role for this micronutrient, in relation to nitrogen metabolism. The results indicate that one of the vitamers informs the plant of its content in ammonium, a basic nitrogen compound needed for the biosynthesis of various molecules essential for life. In the future, vitamin B6 could be used to ascertain the nitrogen status of plants and eventually prevent the overuse of nitrogen-containing fertilizers, say authors of a new report.
Mon, 08 Feb 2016 13:54:51 EST
Researchers create synthetic biopathway to turn agriculture waste into 'green' products
Researchers have engineered a new synthetic biopathway that can more efficiently and cost-effectively turn agricultural waste, like corn stover and orange peels, into a variety of useful products ranging from spandex to chicken feed.
Mon, 08 Feb 2016 13:54:40 EST
Researchers identify new Borrelia species that causes Lyme disease
A new bacterial species that causes Lyme disease in people has been identified by researchers. The new species has been provisionally named Borrelia mayonii. Prior to this finding, the only species believed to cause Lyme disease in North America was Borrelia burgdorferi.
Mon, 08 Feb 2016 13:44:25 EST
A step closer to understanding fertilization
Researchers have taken a step closer to understanding the mechanism that leads to the fusion of egg and sperm at fertilization. Using the technique X-ray crystallography, they have determined the 3-D structure of Juno, a mammalian egg protein essential for triggering gamete fusion. Their findings are not only interesting from an evolutionary perspective, but also reveal the shape of a possible target for future non-hormonal contraceptives.
Mon, 08 Feb 2016 12:42:51 EST
Wholesome wholegrain
When it is a matter of health, whole grain has the X factor -- or rather the BX factor -- in the form of a certain group of bioactive compounds called benzoxazinoids, or BX. Scientists have documented the uptake of these compounds in humans and their possible beneficial effect on the immune system.
Mon, 08 Feb 2016 12:38:29 EST
Scientists propose 'pumpjack' mechanism for splitting, copying DNA
New close-up images of the proteins that copy DNA inside the nucleus of a cell have led a team of scientists to propose a brand new mechanism for how this molecular machinery works. The scientists studied proteins from yeast cells, which share many features with the cells of complex organisms such as humans, and could offer new insight into ways that DNA replication can go awry.
Mon, 08 Feb 2016 12:38:20 EST
Turning the volume of gene expression up and down
Gene expression in a fruit fly embryo can be accurately and predictably tuned, new research shows. This study has important implications in cellular and developmental biology, with potential applications in stem cell reprogramming and regenerative medicine.
Fri, 05 Feb 2016 15:33:23 EST
Many white-tailed deer have malaria
By chance, scientists have discovered a malaria parasite that infects white-tailed deer. It's the first-ever malaria parasite known to live in a deer species and the only native malaria parasite found in any mammal in North or South America.
Fri, 05 Feb 2016 14:45:09 EST
Chromosomes reconfigure as cell division ends
Cells reach a state called senescence when they stop dividing in response to DNA damage. This change can matter greatly to health, but scientists do not yet have a clear picture of how this change impacts the genome. A new study shows that a cell's chromosomes become physically reconfigured at senescence, leading to significant differences in what genes are expressed.
Fri, 05 Feb 2016 11:26:39 EST
Honey’s potential to save lives by destroying harmful fungus
The healing powers of honey have been known for thousands of years. Now a researchers has discovered a powerful link between a medicinal type of honey and the destruction of a fungus that can cause blindness or even death.
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