What do you get when you dissect 10 000 fruit-fly larvae? A team of researchers led by the European Molecular Biology Laboratory in the UK and the Max Planck Institute of Immunobiology and Epigenetics (MPI) in Germany has ...
Biotechnology
Jul 19, 2012
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(Phys.org)—Males and females... Mars and Venus... XY and XX chromosomes—all are common memes. At the same time, the evolution of therian (placental and marsupial) sex chromosomes is less widely understood. More to the ...
One of the most important questions for evolution researchers is how a species develops and adapts during the course of time. An analysis of the genes of twelve chimpanzees has now demonstrated that the chimpanzee X chromosome ...
Biotechnology
Jan 30, 2012
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(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) use a chromosomal ...
Plants & Animals
Dec 6, 2011
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Established human embryonic cell lines, including those approved for federal research funding under former President George W. Bush, are different than newly derived human embryonic stem cell lines, according to a study by ...
Cell & Microbiology
Dec 1, 2011
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Fruit flies have been indispensible to our understanding of genetics and biological processes in all animals, including humans. Yet, despite being one of the most studied of animals, scientists are still finding the fruit ...
Biotechnology
Sep 19, 2011
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Some of the human X chromosome originates from Neanderthals and is found exclusively in people outside Africa, according to an international team of researchers led by Damian Labuda of the Department of Pediatrics at the ...
Archaeology
Jul 18, 2011
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Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard R. Berhringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers.
Biotechnology
Dec 8, 2010
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(PhysOrg.com) -- Researchers from the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, and the Max-Planck Institute of Immunobiology Freiburg have identified a novel protein complex that regulates around ...
Biotechnology
Jun 24, 2010
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Oxygen levels in the lab can permanently alter human embryonic stem (ES) cells, specifically inducing X chromosome inactivation in female cells, according to Whitehead Institute researchers. Human ES cells have been routinely ...
Cell & Microbiology
May 13, 2010
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