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Cell Biology News
Wed, 22 May 2019 15:31:33 EDT
Big energy savings for tiny machines
Physicists demonstrate for the first time a strategy for manipulating the trillions of tiny molecular nanomachines inside us that work to keep us alive, to maximize efficiency and conserve energy. The breakthrough could impact numerous fields, including creating more efficient computer chips and solar cells for energy generation.
Wed, 22 May 2019 12:05:51 EDT
The neural mechanisms that inhibit slow muscle activity during fast swimming in fish
Using zebrafish larvae, biologists have discovered neural mechanisms that suppress slow muscle activity in fish swimming at high speeds.
Wed, 22 May 2019 12:05:21 EDT
Genetic discovery may improve corn quality, yields
Researchers may be able to improve corn yields and nutritional value after discovering genetic regulators that synthesize starch and protein in the widely eaten grain, according to a new study. The research could benefit millions of people who rely on corn for nutrition in South America, Africa and elsewhere.
Wed, 22 May 2019 12:05:11 EDT
Cell division requires a balanced level of non-coding RNA for chromosome stability
Scientists have discovered that centromeric DNA is used as a template to produce a non-protein coding, centromeric RNA (ribonucleic acid), that is essential for chromosome stability. If there is too much or too little centromeric RNA (cenRNA), the centromere will be defective and chromosomes will be lost.
Wed, 22 May 2019 10:19:48 EDT
Monkey-infecting virus may provide part of future HIV vaccine
A protein from Simian Immunodeficiency Virus (SIV), which can infect monkeys and apes, has shown promise as a potential component of a vaccine against Human Immunodeficiency Virus (HIV).
Tue, 21 May 2019 16:24:37 EDT
Developing biosecurity tool to detect genetically engineered organisms in the wild
If a genetically or synthetically engineered organism gets into the environment, how will we tell it apart from the millions of naturally occurring microorganisms? Recently, the US government and research scientists have identified a need for new tools that can detect engineered organisms that have been accidentally or intentionally released beyond the lab. Chemical engineers are developing a detection tool based on DNA signatures.
Tue, 21 May 2019 16:24:32 EDT
Ammonium fertilized early life on Earth
New research demonstrates that ammonium was a vital source of nitrogen for early life on Earth.
Tue, 21 May 2019 12:40:29 EDT
After GWAS studies, how to narrow the search for genes?
Genome-wide association studies (GWAS) often turn up a long list of genes that MIGHT help cause the trait of interest. Many algorithms can help scientists prioritize which genes to pursue further, but which one to choose? Borrowing from machine learning, and singling out one chromosome at a time, a new tool called Benchmarker helps scientists evaluate existing algorithms to guide their search for relevant genes.
Tue, 21 May 2019 08:49:26 EDT
A better understanding of the von Willebrand Factor's A2 domain
A team of researchers is working to characterize the mysterious protein known as the Von Willebrand Factor (vWF). In a recent article, they advance experimental data for the shear-induced extensional response of vWF, using a microfluidic device and fluorescence microscopy.
Tue, 21 May 2019 08:49:24 EDT
Scientists use molecular tethers, chemical 'light sabers' for tissue engineering
Researchers have unveiled a new strategy to keep proteins intact and functional in synthetic biomaterials for tissue engineering. Their approach modifies proteins at a specific point so that they can be chemically tethered to the scaffold using light. Since the tether can also be cut by laser light, this method can create evolving patterns of signal proteins throughout a biomaterial scaffold to grow tissues made up of different types of cells.
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