News tagged with molecular sequence

Enzyme corrects more than one million faults in DNA replication

Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.

Biology / Cell & Microbiology

created May 10, 2012 | popularity 4.9 / 5 (16) | comments 1 | with audio podcast

Earth history and evolution

In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...

Biology / Plants & Animals

created May 03, 2012 | popularity 3.9 / 5 (7) | comments 1 | with audio podcast

Orangutans harbor ancient primate Alu

Alu elements infiltrated the ancestral primate genome about 65 million years ago. Once gained an Alu element is rarely lost so comparison of Alu between species can be used to map primate evolution and diversity. New research ...

Biology / Plants & Animals

created Apr 30, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A new approach to molecular plant breeding

(Phys.org) -- A U.S. Department of Agriculture (USDA) scientist has shown researchers and plant breeders a better way to handle the massive amounts of data being generated by plant molecular studies, using ...

Biology / Biotechnology

created Apr 18, 2012 | popularity not rated yet | comments 0

DNA traces cattle back to a small herd domesticated around 10,500 years ago

All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.

Biology / Evolution

created Mar 27, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

To get the full story you need to know the motifs

Genome sequencing alone provides researchers with only limited information on the organism works because it neither reveals how the system is regulated nor does it indicate the role of each specific DNA sequence or RNA transcript. ...

Biology / Biotechnology

created Mar 26, 2012 | popularity not rated yet | comments 0

Pioneering molecular biologist Roy J. Britten dies

(AP) -- Roy J. Britten, a pioneering molecular biologist who discovered the crucial fact that humans and animals have multiple copies of some DNA segments, has died. He was 92.

Biology / Other

created Feb 22, 2012 | popularity not rated yet | comments 0

When did the feather take flight?

(PhysOrg.com) -- Some 125 million years ago--more recently than once thought possible -- the molecular structure of the modern feather began to take form, according to molecular dating research by scientists ...

Biology / Evolution

created Feb 07, 2012 | popularity 5 / 5 (6) | comments 3 | with audio podcast

New method pinpoints important gene-regulation proteins

A novel technique has been developed and demonstrated at Penn State University to map the proteins that read and regulate chromosomes -- the string-like structures inside cells that carry genes. The specific ...

Biology / Cell & Microbiology

created Jan 18, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New leads on mechanisms that confer virulence to E.coli-type bacteria

A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for ...

Biology / Cell & Microbiology

created Dec 09, 2011 | popularity not rated yet | comments 0

Researchers generate first complete 3-D structures of bacterial chromosome

A team of researchers at the University of Massachusetts Medical School, Harvard Medical School, Stanford University and the Prince Felipe Research Centre in Spain have deciphered the complete three-dimensional structure ...

Biology / Biotechnology

created Oct 21, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Long-held belief debunked: Cycad is not a 'Dinosaur Plant'

(PhysOrg.com) -- The widely held belief today's cycads are 'dinosaur plants' and were around during dinosaur times has been categorically debunked in a breakthrough study of international significance.

Biology / Plants & Animals

created Oct 20, 2011 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

Nile crocodile is actually two different species

(PhysOrg.com) -- Researchers from the Fordham University in New York have uncovered evidence that what the world has looked to as the iconic Nile crocodile is actually two different species of crocodile that ...

Biology / Plants & Animals

created Sep 15, 2011 | popularity 3.3 / 5 (7) | comments 4 | with audio podcast report

First German genome comprehensively resolved at its molecular level

Max Planck researchers analyze the two chromosome sets in the human genome separately for the first time.

Biology / Biotechnology

created Sep 12, 2011 | popularity 5 / 5 (2) | comments 0

'Hidden' differences of chromosome organization become visible

Why different species have dissimilar sets of chromosomes? Why the differentiated species often conserve apparently identical chromosome complements? Furthermore, why, while chromosome rearrangements can considerably ...

Biology / Cell & Microbiology

created Aug 25, 2011 | popularity not rated yet | comments 0