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News tagged with progeny

Is a new form of life really so alien?

The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...

Biology / Other

created May 08, 2012 | popularity 3.6 / 5 (12) | comments 34 | with audio podcast

Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'

Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 5 / 5 (4) | comments 3 | with audio podcast

From embryonic stem cells, a sperm replacement and easier path to genetic modification

Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Aging-related degeneration caused by defects of energy metabolism in tissue stem cells?

Aging-related tissue degeneration can be caused by mitochondrial dysfunction in tissue stem cells. The research group of Professor Anu Suomalainen Wartiovaara in Helsinki University, with their collaborators in Max Planck ...

Biology / Cell & Microbiology

created Jan 03, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Acquired traits can be inherited via small RNAs

Columbia University Medical Center (CUMC) researchers have found the first direct evidence that an acquired trait can be inherited without any DNA involvement. The findings suggest that Lamarck, whose theory of evolution ...

Biology / Cell & Microbiology

created Dec 05, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast

Cells derived from pluripotent stem cells are developmentally immature

Stem cell researchers at UCLA have discovered that three types of cells derived from human embryonic stem cells and induced pluripotent stem cells are similar to each other, but are much more developmentally immature than ...

Biology / Cell & Microbiology

created Aug 17, 2011 | popularity 4 / 5 (3) | comments 5 | with audio podcast

E. coli offers insight to evolution

(PhysOrg.com) -- Evolutionary biologist Richard Lenski occasionally thinks of his 12 original flasks of E. coli as the experiment that keeps on giving.

Biology / Evolution

created Jun 20, 2011 | popularity not rated yet | comments 1 | with audio podcast

Misleading morphology: Three European parasitoid wasp 'species' are seasonal forms of just one

Three widely differing forms of European Scambus parasitoid wasps that had previously been regarded as distinct species are shown to be seasonal morphs of a single species. The collaboration involved National ...

Biology / Plants & Animals

created Oct 26, 2011 | popularity not rated yet | comments 1

Understanding how weeds are resistant to herbicides

In a little over seven hours, University of Illinois weed scientist Patrick Tranel got more genetic information about waterhemp than in two years time in a lab. The genetic information was obtained using pyrosequencing technology ...

Biology / Ecology

created Aug 05, 2009 | popularity 5 / 5 (1) | comments 0

Scientists develop new potato lines to wage war on wireworms

When wireworms feast on potatoes, the results aren't pretty: The spuds' surfaces are left punctured, pitted and unappealing. For the past few years, U.S. Department of Agriculture (USDA) scientists and their colleagues have ...

Biology / Biotechnology

created Sep 19, 2011 | popularity not rated yet | comments 0

In the Palace of the Naked Mole-Rat

Naked Mole-Rats are ugly, but also very interesting mammals. Now scientists want to find out, if the males influence the distribution of male and female progeny.

Biology /

created Feb 24, 2009 | popularity 5 / 5 (3) | comments 0

Gene-engineered flies are pest solution

For the first time, male flies of a serious agricultural pest, the medfly, have been bred to generate offspring that die whilst they are still embryos. Researchers writing in the open access journal BMC Biology describe the ...

Biology /

created Jan 27, 2009 | popularity 5 / 5 (2) | comments 1