A blockbuster study in which US researchers reported that they had turned human skin cells into embryonic stem cells contained errors, its lead author has acknowledged. ...
12 hours ago
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Research published in Open Biology today identifies, for the first time, nearly all the genes required for reproduction of a cell in a living organism.
22 hours ago
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Mapping all of the chemical, or epigenetic, changes to chromosomes that affect which genes are turned on or off—and thus determine the fate of genomically identical cells in the body—usually requires ...
May 22, 2013
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Eggs take a long time to produce in the ovary, and thus are one of a body's precious resources. It has been theorized that the body has mechanisms to help the ovary ensure that ovulated eggs enter the reproductive tract at ...
Apr 17, 2013
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When Charles Babbage prototyped the first computing machine in the 19th century, he imagined using mechanical gears and latches to control information. ENIAC, the first modern computer developed in the 1940s, used vacuum ...
Mar 28, 2013
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University of Montreal researchers found that changes in gravity affect the reproductive process in plants. Gravity modulates traffic on the intracellular "highways" that ensure the growth and functionality ...
Mar 13, 2013
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Scientists have used genetic testing on animals that died of natural causes for the first time, potentially boosting efforts to save endangered species.
Mar 05, 2013
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Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right number ...
Feb 13, 2013
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Like many fungi and one-celled organisms, Candida albicans, a normally harmless microbe that can turn deadly, has long been thought to reproduce without sexual mating. But a new study by Professor Judith Berman and collea ...
Jan 30, 2013
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(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that ...
Dec 14, 2012
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When humans have parasites, the organisms live in our bodies, co-opt our resources and cause disease. However, it turns out that parasites themselves can have their own co-habitants.
Nov 07, 2012
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Harvard scientists have solved the long-standing mystery of how some insects form the germ cells – the cellular precursors to the eggs and sperm necessary for sexual reproduction – and the answer is shedding new light ...
Nov 01, 2012
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European scientists investigated differences in the genomes of various distantly-related yeast and their effects on cell survival. Results may provide insight into cell death induced by free radicals.
Oct 19, 2012
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