Since the first reports of successful cloning of mammals by somatic cell nuclear transfer, concerns have been raised about the efficiency and repeatability of cloning techniques, and the health of cloned offspring. Although ...
Biotechnology
Apr 1, 2013
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As part of a "Lazarus Project" to try to bring the Australian gastric-brooding frog back from extinction a UNSW-led team has succeeded in producing early stage cloned embryos containing the DNA of the frog, which died out ...
Plants & Animals
Mar 15, 2013
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Using the technique that created Dolly the sheep, researchers from the RIKEN Center for Developmental Biology in Kobe, Japan have identified a way to produce healthy mouse clones that live a normal lifespan and can be sequentially ...
Biotechnology
Mar 7, 2013
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In principle, somatic cell nuclear transfer (SCNT) is a potent tool for scientists looking to produce exact genetic replicas of a particular animal. By injecting a nucleus from an adult cell into an oocyte from which the ...
Biotechnology
Mar 16, 2012
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Amino acids, the building blocks of proteins, are essential to support the normal growth of a developing embryo and the placenta. An insufficient supply of amino acids in the mother's uterus caused by abnormal maternal-embryo ...
Biotechnology
Oct 26, 2011
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(Medical Xpress) -- New research from Howard Hughes Medical Institute (HHMI) scientists pinpoints a biological barrier that has thus far slowed progress in creating disease-specific stem cell lines using a technique known ...
Cell & Microbiology
Oct 6, 2011
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While research using human embryonic stem cells has roused political controversy for almost two decades, little has been done to scientifically assess American attitudes on the subject. New research from the University of ...
Biotechnology
Jun 29, 2011
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Despite their name, not all clones are created equal. This is especially true for the products of somatic cell nuclear transfer (SCNT), which entails the transplantation of the nucleus from a mature somatic cell, or non-reproductive ...
Biotechnology
Nov 5, 2010
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Adult cells that have been reprogrammed into induced pluripotent stem cells (iPS cells) do not completely let go of their past, perhaps limiting their ability to function as a less controversial alternative to embryonic stem ...
Cell & Microbiology
Jul 19, 2010
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(PhysOrg.com) -- Metalloproteins, such as the copper-containing azurin, play a major role in catalyzing electron transfer in cellular reactions. Understanding how their structure relates to function can give rise to advances ...
Analytical Chemistry
Feb 18, 2010
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