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Molecular Biology News
Tue, 06 Dec 2016 11:17:12 EST
Experimental insecticide explodes mosquitoes, not honeybees
Entomologists report an experimental molecule that inhibits kidney function in mosquitoes and thus might provide a new way to control the deadliest animal on Earth.
Tue, 06 Dec 2016 11:16:21 EST
Small but mighty: Tiny proteins with big roles in biology
Scientists have discovered a small protein important for cellular housekeeping. The new molecule could provide a better understanding of how the levels of genes, including disease genes, are controlled in the cell.
Tue, 06 Dec 2016 11:15:05 EST
Using the force: Powerful new technique reveals mechanical environment of cells in their natural habitat, the living embryo
A powerful new technique reveals the mechanical environment of cells in their natural habitat, the living embryo, outlines a new report.
Tue, 06 Dec 2016 11:01:02 EST
The balancing act: An enzyme that links endocytosis to membrane recycling
All cells have surface membranes and maintaining the surface area of this membrane is critical to the normal functioning of cells. The surface membranes of cells lining our lungs, guts and the light-sensing cells of our eyes undergo constant recycling to operate effectively. Using the light-sensitive membranes in fruit fly eyes as a model system, have recently identified an enzyme named Phospholipase D or PLD -- that is essential for recycling of membranes for normal sight.
Tue, 06 Dec 2016 09:42:41 EST
What happens in the cell nucleus after fertilization?
A team of scientists shows changes in the immediate environment of DNA after the ovum and sperm fuse to form the zygote. The results suggest why all conceivable somatic cells can develop from the germ cells.
Mon, 05 Dec 2016 08:59:25 EST
Highly efficient genome engineering in flowering plants
Plant biologists have developed a genome editing method to knockout target genes in a model plant with high efficiency. The team reports a new CRISPR/Cas9 vector for the model plant that can strongly induce inheritable mutations. This method is expected to become a powerful molecular tool for genome engineering in various plant species.
Fri, 02 Dec 2016 15:07:14 EST
Fast, efficient sperm tails inspire nanobiotechnology
Just like workers in a factory, enzymes can create a final product more efficiently if they are stuck together in one place and pass the raw material from enzyme to enzyme, assembly line-style. That's according to scientists who have recreated a 10-step biological pathway with all the enzymes tethered to nanoparticles.
Thu, 01 Dec 2016 16:59:22 EST
Modifying a live virus in a vaccine to be just strong enough
By genetically tweaking the constituent live virus, scientists have created a vaccine against influenza in which the virus is capable of activating the immune system but cannot replicate in healthy cells -- an approach that may become more widely used for generating live virus vaccines adapted to other viruses.
Thu, 01 Dec 2016 12:11:02 EST
Multi-institutional collaboration uncovers how molecular machines assemble
Ribosomes -- macromolecular machines consisting of RNA and proteins that twist, fold and turn -- are responsible for making all of the protein within a cell and could hold the key to deciphering a range of diseases. Despite the intricacies of ribosomes, cells are able to churn out 100,000 of them every hour. But because they assemble so speedily, researchers haven't been able to figure out how they come together.
Thu, 01 Dec 2016 11:44:47 EST
Protective barrier inside chromosomes helps to keep cells healthy
Fresh insights into the structures that contain our genetic material could explain how the body's cells stay healthy. A protective barrier formed inside each of our chromosomes helps to prevent errors occurring when cells divide, researchers say. The study sheds light on the precise interplay between key factors inside chromosomes that leads to the formation of the barrier.
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