News tagged with genetic mechanism

results timeline


Study finds new relationship between gene duplication and alternative splicing in plants

Study finds new relationship between gene duplication and alternative splicing in plants

Biology / Biotechnology

created Dec 07, 2009 | popularity not rated yet | comments 0

University of Georgia scientists looking to understand the genetic mechanisms of plant defense and growth have found for the first time in plants an inverse relationship between gene duplication and alternative ...


Researchers discover mechanism that prevents two species from reproducing

Biology / Biotechnology

created Oct 26, 2009 | popularity 5 / 5 (6) | comments 3

Cornell researchers have discovered a genetic mechanism in fruit flies that prevents two closely related species from reproducing, a finding that offers clues to how species evolve.


Genetics of patterning the cerebral cortex

Genetics of patterning the cerebral cortex

Medicine & Health / Neuroscience

created Oct 13, 2009 | popularity 5 / 5 (2) | comments 0

The cerebral cortex, the largest and most complex component of the brain, is unique to mammals and alone has evolved human specializations. Although at first all stem cells in charge of building the cerebral ...


Researchers identify workings of L-form bacteria

Biology / Cell & Microbiology

created Oct 13, 2009 | popularity 5 / 5 (1) | comments 0

Researchers at the Johns Hopkins Bloomberg School of Public Health have for the first time identified the genetic mechanisms involved in the formation and survival of L-form bacteria. Their findings are described in a study ...


Genetic conflict in fish led to evolution of new sex chromosomes

Genetic conflict in fish led to evolution of new sex chromosomes

Biology / Plants & Animals

created Oct 01, 2009 | popularity 4.6 / 5 (5) | comments 0

University of Maryland biologists have genetically mapped the sex chromosomes of several species of cichlid (pronounced "sick-lid") fish from Lake Malawi, East Africa, and identified a mechanism by which new ...


Genetic sex determination let ancient species adapt to ocean life

Genetic sex determination let ancient species adapt to ocean life

Biology / Evolution

created Sep 16, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- A new analysis of extinct sea creatures suggests that the transition from egg-laying to live-born young opened up evolutionary pathways that allowed these ancient species to adapt to and thrive ...


Researchers identify 'regulatory' genetic sequences that may predict risk for prostate cancer

Medicine & Health / Cancer

created Aug 14, 2009 | popularity 5 / 5 (1) | comments 0

Researchers at the Keck School of Medicine of the University of Southern California (USC) have identified a novel genetic mechanism that may govern an individual's risk of developing prostate cancer.


Genetic switch potential key to new class of antibiotics

Chemistry / Biochemistry

created Apr 17, 2009 | popularity 5 / 5 (2) | comments 0

Researchers have determined the structure of a key genetic mechanism at work in bacteria, including some that are deadly to humans, in an important step toward the design of a new class of antibiotics, according to an accelerated ...


Simple genetic mechanism may be behind the origin of species

Biology /

created Jan 30, 2009 | popularity 4.4 / 5 (14) | comments 1

(PhysOrg.com) -- Some of the secrets behind the emergence of new species have been uncovered in a genetic study, conducted in collaboration with bioscientists at The University of Nottingham.