News tagged with regulatory elements

A single DNA tweak leads to blond hair

A single-letter change in the genetic code is enough to generate blond hair in humans, in dramatic contrast to our dark-haired ancestors. A new analysis by Howard Hughes Medical Institute (HHMI) scientists ...

Jun 01, 2014
popularity 4.3 / 5 (10) | comments 9

Scientists discover gene switch important in cancer

Scientists at Karolinska Institutet in Sweden and the University of Helsinki in Finland have shown that the "switches" that regulate the expression of genes play a major role in the development of cancer. In a study, published ...

Nov 01, 2012
popularity 5 / 5 (1) | comments 0 | with audio podcast

Uncovering the genome's regulatory code

Since the sequencing of the human genome in 2001, all our genes – around 20,000 in total – have been identified. But much is still unknown – for instance where and when each is active. Next to each ...

Sep 10, 2012
popularity 5 / 5 (1) | comments 1 | with audio podcast

Discovery reveals chromosomes organize into 'yarns'

Chromosomes, the molecular basis of genetic heredity, remain enigmatic 130 years after their discovery in 1882 by Walther Flemming. New research published online in Nature by the team of Edith Heard, PhD, from the Curie ...

Apr 11, 2012
popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Gene switch for odorant receptors

The olfactory sensory neurons in the nasal mucosa perceive the myriad smells in the air with the aid of odorant receptors. Each sensory neuron chooses one and only one receptor gene for expression. The probability ...

Nov 11, 2011
popularity 5 / 5 (1) | comments 0 | with audio podcast