Pollen tubes are attracted by LURE peptides, which are produced from ovules, to bring about fertilization. In their recent report published in Nature, a pair of plant biologists at Nagoya University has now revealed for the ...
Plants & Animals
Mar 10, 2016
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Flowering plants naturally know when they need to spare or perish their cells. In a new study reported in Cell, an international group of plant biologists at ITbM, Nagoya University and other research institutes, have examined ...
Cell & Microbiology
Apr 23, 2015
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Sparks literally fly when a sperm and an egg hit it off. The fertilized mammalian egg releases from its surface billions of zinc atoms in "zinc sparks," one wave after another, a Northwestern University-led interdisciplinary ...
Biochemistry
Dec 15, 2014
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German researchers have demonstrated for the first time why the molecular cocktail responsible for generating stem cells works. Sox2 and Oct4 are proteins whose effect on cells resembles that of an eraser: They remove all ...
Cell & Microbiology
Aug 19, 2013
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Given the stakes of in vitro fertilization, prospective parents and their doctors need the best information they can get about the eggs they will extract, attempt to fertilize, and implant. New research at Brown University ...
Biochemistry
Oct 6, 2011
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New research finds that even though hens aren't terribly picky about their mates, they are picky about whose sperm makes it to the egg.
Plants & Animals
Aug 25, 2011
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During the development of gametes, such as egg and sperm cells in humans, chromosomes are broken and rearranged at many positions. Using state of the art technology, the research group of Franz Klein, professor for genetics ...
Cell & Microbiology
Aug 9, 2011
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In new research that could have implications for improving fertilization in humans and other mammals, life scientists studied interactions between individual sperm and eggs in red abalone, an ocean-dwelling snail, and made ...
Cell & Microbiology
Aug 4, 2011
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(PhysOrg.com) -- At fertilization, a massive release of the metal zinc appears to set the fertilized egg cell on the path to dividing and growing into an embryo, according to the results of animal studies supported by the ...
Biochemistry
Jul 22, 2011
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Researchers at the Swedish medical university Karolinska Institutet have been able to describe the 3D structure of a complete egg receptor that binds sperm at the beginning of fertilization. The results, published in the ...
Cell & Microbiology
Oct 21, 2010
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