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Cell Biology News
Fri, 19 Jan 2018 19:03:58 EST
Breakthrough study shows how plants sense the world
Plants lack eyes and ears, but they can still see, hear, smell and respond to environmental cues and dangers. They do this with the aid of hundreds of membrane proteins that sense microbes or other stresses. Researchers now have created the first network map for 200 of these proteins. The map shows how a few key proteins act as master nodes critical for network integrity, and the map also reveals unknown interactions.
Fri, 19 Jan 2018 19:03:55 EST
Cells lacking nuclei struggle to move in 3-D environments
A study examined the role of the physical structure of the nucleus in cell movement through different surfaces.
Fri, 19 Jan 2018 09:03:44 EST
How plants see light
The proteins PCH1 and PCHL help plants adapt to their surroundings. Plants react sensitively to changes in their surroundings and possess the ability to adapt to them. They use the photoreceptor protein phytochrome B to see light and then regulate processes such as seed germination, seedling development, longitudinal growth and flower formation.
Thu, 18 Jan 2018 16:24:58 EST
Why animals diversified on Earth: Cancer research provides clues
Can tumors teach us about animal evolution on Earth? Researchers believe so and now present a novel hypothesis of why animal diversity increased dramatically on Earth about half a billion years ago. A biological innovation may have been key.
Thu, 18 Jan 2018 16:24:49 EST
Researchers create first stem cells using CRISPR genome activation
In a scientific first, researchers have turned skin cells from mice into stem cells by activating a specific gene in the cells using CRISPR technology. The innovative approach offers a potentially simpler technique to produce the valuable cell type and provides important insights into the cellular reprogramming process.
Thu, 18 Jan 2018 14:29:11 EST
Paleolithic diet healthier for overweight women
Overweight women after menopause who eat a Paleolithic diet can maintain weight loss in the long term. The levels of risk factors of type 2 diabetes and cardiovascular diseases also decrease.
Thu, 18 Jan 2018 14:29:01 EST
More genes are active in high-performance maize
When two maize inbred lines are crossed with each other, an interesting effect occurs: The hybrid offspring have a significantly higher yield than either of the two parent plants. Scientists have now investigated a number of genetically distinct hybrids. They showed that the offspring had many more active genes than the original parents. These results may help in the cultivation of even higher-yielding maize varieties.
Thu, 18 Jan 2018 14:27:35 EST
Certain flu virus mutations may compensate for fitness costs of other mutations
Seasonal flu viruses continually undergo mutations that help them evade the human immune system, but some of these mutations can reduce a virus's potency. According to new research, certain mutations in the genome of influenza A may help counteract the weakening effects of other mutations.
Thu, 18 Jan 2018 14:27:23 EST
Packing a genome, step-by-step
For the first time, scientists can see in minute-time resolution how cells package chromosomes into highly condensed structures prior to cell division.
Thu, 18 Jan 2018 14:27:01 EST
A new, dynamic view of chromatin movements
In cells, proteins tightly package the long thread of DNA into pearl necklace-like complexes known as chromatin. Scientists now show for the first time how chromatin moves, answering longstanding questions about how its structure helps regulate gene expression.
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