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Cell Biology News
Fri, 23 Sep 2016 12:26:18 EDT
Melatonin, biological clock keep singing fish on time
In the 1980s, people living on houseboats in the San Francisco Bay were puzzled by a droning hum of unknown origin that started abruptly in the late evening and stopped suddenly in the morning. A lengthy investigation revealed the culprit: male plainfin midshipman fish (Porichthys notatus) that sing at night to attract mates. The fish, which can grow to 15 inches in length, live along the Pacific coast from Alaska to Baja, California.
Fri, 23 Sep 2016 09:46:48 EDT
To produce biopharmaceuticals on demand, just add water
Researchers have created tiny freeze-dried pellets that include all of the molecular machinery needed to translate DNA into proteins, which could form the basis for on-demand production of drugs and vaccines.
Fri, 23 Sep 2016 09:44:45 EDT
Landmark map reveals the genetic wiring of cellular life
A new map breaks away from the old way of studying genes one at a time, showing how genes interact in groups to shed light on the genetic roots of diseases.
Fri, 23 Sep 2016 08:35:53 EDT
Lipid receptor fosters infection of the uterus in bitches
In the female dog, cells of the uterus can accumulate lipid droplets to form so-called foamy epithelial cells during late metoestrus. These cells produce a hormone that is involved in the implantation of the embryo in the uterus. A team of researchers has now shown for the first time that the factor assisting the cells in lipid accumulation also facilitates the binding of bacteria to the epithelial cells, resulting in serious infections of the uterus in female dogs.
Fri, 23 Sep 2016 08:35:51 EDT
Al­tern­at­ive ox­i­dase from a mar­ine an­imal works in mam­mals, com­bats bac­terial sepsis
Mitochondrial alternative oxidase from a sea-squirt works as a safety valve for stressed mitochondria. This property enables it to stop the runaway inflammatory process that leads to multiple organ failure and eventual death in bacterial sepsis.
Thu, 22 Sep 2016 12:39:55 EDT
Peeling back the layers: Scientists use new techniques to uncover hidden secrets of plant stem development
Innovative new cell imaging techniques have now been pioneered to shed light on cells hidden deep inside the meristem. This new development has made it possible to explore further below the outer surface of plants and has uncovered how a key gene controls stem growth.
Thu, 22 Sep 2016 11:28:17 EDT
New model could point way to microbiome forecasting in the ocean
A new mathematical model integrates environmental and molecular sequence information to better explain how microbial networks drive nutrient and energy cycling in marine ecosystems.
Thu, 22 Sep 2016 10:44:06 EDT
Fish oil may help improve mood in veterans
Low concentration of fish oil in the blood and lack of physical activity may contribute to the high levels of depressed mood among soldiers returning from combat, according to researchers.
Thu, 22 Sep 2016 09:33:26 EDT
Swarms of magnetic bacteria could be used to deliver drugs to tumors
One of the biggest challenges in cancer therapy is being able to sufficiently deliver chemotherapy drugs to tumors without exposing healthy tissues to their toxic effects. Magnetic bacteria are a promising vehicle for more efficiently delivering tumor-fighting drugs, researchers have demonstrated.
Thu, 22 Sep 2016 09:33:20 EDT
Researcher finds gene that reduces female mosquitoes
Placing a particular Y chromosome gene on the autosomes of Anopheles stephensi mosquitoes — a species responsible for transmitting malaria — killed off 100 percent of all female embryos that inherited this gene, researchers report.
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