When a sperm fertilizes an egg, each contributes a set of chromosomes to the resulting embryo, which at these very early stages is called a zygote. Early on, zygotic genes are inert, so embryonic development is largely controlled ...
Cell & Microbiology
Dec 1, 2011
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The European Union's top court ruled Tuesday that scientists cannot patent stem cell techniques that use human embryos for research, a decision some scientists said could threaten major medical advances if it prevents biotech ...
Biotechnology
Oct 18, 2011
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Vincent Fleury, a researcher at the Paris Diderot University, studied the early stage of development when embryonic cells first form a flat sheet of cells before folding into a U-shape, resembling a folded pancake. He demonstrated ...
General Physics
Aug 18, 2011
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Scientists at the Gladstone Institutes have gained new insight into the delicate relationship between two proteins that, when out of balance, can prevent the normal development of stem cells in the heart and may also be important ...
Cell & Microbiology
Aug 15, 2011
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Scientists from Queen Mary, University of London have discovered a new way of detecting zinc in zebra fish, that could pave the way for furthering our understanding of diseases like type 2 diabetes, prostate cancer and Alzheimer's.
Biochemistry
Jul 3, 2011
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In flowering plants, the beginning of embryogenesis is almost exclusively governed by maternal gene activity. Maternal factors regulate the development of the embryo and silence paternal genes during early stages of development. ...
Biotechnology
May 31, 2011
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A new research tool for studying microRNA expression in zebrafish will help researchers study the effects of miRNA on the early development of this model organism and better understand developmental and disease mechanisms ...
Biotechnology
Mar 17, 2011
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As an embryo grows towards its final adult form, the initial fertilized egg cell must divide many times over into cells that will become specialized and form the many different tissues and organs of the body.
Cell & Microbiology
Feb 23, 2011
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New research shows that all not mammals are created equal. In fact, this work shows that the animals most commonly used by scientists to study mammalian genetics -- mice -- develop unusually quickly and may not always be ...
Cell & Microbiology
Feb 14, 2011
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Some horses have a history of early miscarriages and it has become customary to treat them with altrenogest, a type of progestin. The group of Christine Aurich at the University of Veterinary Medicine, Vienna now for the ...
Plants & Animals
Jan 24, 2011
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