An international team of scientists using a new X-ray method recorded the internal structure and cell movement inside a living frog embryo in greater detail than ever before.
May 17, 2013
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Classical X-ray radiographs provide information about internal, absorptive structures of organisms such as bones. Alternatively, X-rays can also image soft tissues throughout early embryonic development of ...
May 16, 2013
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The study, which focuses on the process by which these cells renew and increase in number, could help research to find new treatments.
May 02, 2013
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(Phys.org) —In a factory, outside forces dictate the assembly of parts. Robots lift widgets from trays, assemble them and send them on their way. Even though embryos are not factories, theories about embryonic ...
Apr 26, 2013
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Understanding exactly how stem cells form into specific organs and tissues is the holy grail of regenerative medicine. Now a UC Santa Barbara researcher has added to that body of knowledge by determining ...
Apr 22, 2013
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Researchers are arguing about whether or not the Xenoturbella bocki worm is the progenitor of mankind. But new studies indicate that this is actually the case. Swedish researchers from the University of Got ...
Mar 27, 2013
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(Phys.org) —Scientists from the Friedrich Miescher Institute for Biomedical Research identify a novel mechanism in early germ cell development. They show how the chromatin modulator PRC1 coordinates the ...
Mar 15, 2013
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Scientists at the Agency for Science, Technology and Research's (A*STAR) Genome Institute of Singapore (GIS) have discovered that key gene regulators work in pairs to trigger stem cells to differentiate into specific cell ...
Mar 14, 2013
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New research shows that a tiny piece of RNA has an essential role in ensuring that embryonic tissue segments form properly.
Mar 11, 2013
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A research team at the Sars Centre in Norway and the University Vienna has shed new light on the evolutionary origin of the head. In a study published in the journal PLoS Biology they show that in a simp ...
Feb 21, 2013
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Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too ...
Feb 19, 2013
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Many different tissues and organs form from pluripotent stem cells during embryonic development. To date it had been known that these processes are controlled by transcription factors for specific tissues. ...
Jan 29, 2013
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For a tiny embryo to grow into an entire fruit fly, mouse or human, the correct genes in each cell must turn on and off in precisely the right sequence. This intricate molecular dance produces the many parts of the whole ...
Dec 20, 2012
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Anthrax uses a receptor on the surface of cells to inject its lethal toxins. However, the physiological function of this receptor, named Anthrax Toxin Receptor 2a (Antxr2a), remained unknown until now.
Dec 02, 2012
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(Phys.org)—A research team made up of members from Switzerland, France and Belgium has discovered that the scales on the heads of crocodiles are not arranged due to genetics but come about because of cracking ...
Nov 30, 2012
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