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News tagged with markers

For monogamous sparrows, it doesn't pay to stray (but they do it anyway)

It's quite common for a female song sparrow to stray from her breeding partner and mate with the male next door, but a new study shows that sleeping around can be costly.

Biology / Plants & Animals

created May 22, 2012 | popularity 5 / 5 (2) | comments 8 | with audio podcast

In cod we trust: DNA test combats fisheries fraud

Scientists on Tuesday said they had devised a DNA test to pinpoint the geographical origins of commercial seafish, in a breakthrough against illegal trawling that threatens fish stocks worldwide.

Biology / Biotechnology

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

Nanomedicine: Quantum dots appear safe in pioneering study on primates

A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...

Nanotechnology / Bio & Medicine

created May 20, 2012 | popularity 4.3 / 5 (3) | comments 8 | with audio podcast

Maps of Miscanthus genome offer insight into grass evolution

Miscanthus grasses are used in gardens, burned for heat and energy, and converted into liquid fuels. They also belong to a prominent grass family that includes corn, sorghum and sugarcane. Two new, indepe ...

Biology / Biotechnology

created May 15, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Scientists discover way to detect low-level exposure to seafood toxin in marine animals

(Phys.org) -- NOAA scientists and their colleagues have discovered a biological marker in the blood of laboratory zebrafish and marine mammals that shows when they have been repeatedly exposed to low levels of domoic acid, ...

Biology / Plants & Animals

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

lobSTR algorithm rolls DNA fingerprinting into 21st century

As any crime show buff can tell you, DNA evidence identifies a victim's remains, fingers the guilty, and sets the innocent free. But in reality, the processing of forensic DNA evidence takes much longer than a 60-minute primetime ...

Biology / Biotechnology

created Apr 27, 2012 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

Genetic markers for tracking species

At the supermarket checkout, hardly anybody enters prices manually anymore. Using scanners that can read the barcodes is much faster. Biologists now want to use a similar procedure for identifying domestic animal and plant ...

Biology / Biotechnology

created Apr 25, 2012 | popularity not rated yet | comments 0

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

Scientists discover 'switch' in plants to create flowers

Flowering is the most crucial act that plants undergo, as the fruits of such labor include crops on which the world depends, and seeds from which the next generation grows.

Biology / Plants & Animals

created Apr 17, 2012 | popularity 5 / 5 (1) | comments 2

Scientists use nanotechnology to hunt for hidden pathogens

Researchers at the University of Central Florida have developed a novel technique that may give doctors a faster and more sensitive tool to detect pathogens associated with inflammatory bowel disease, including ...

Nanotechnology / Bio & Medicine

created Apr 09, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Maternal gene causes more piglets to be born

A sow gives birth to more piglets if the DIO3 gene from its mother is expressed instead of the same gene inherited from its father. This is shown during research conducted by the Animal Breeding and Genomics Centre in Wageningen ...

Biology / Biotechnology

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

Research uncovers genetic marker that could help control, eliminate PRRS virus

A collaborative discovery involving Kansas State University researchers may improve animal health and save the U.S. pork industry millions of dollars each year.

Biology / Plants & Animals

created Mar 15, 2012 | popularity not rated yet | comments 0

Japanese honeybees swarm huge hornet predator to kill it with heat

Japanese honeybees face a formidable foe in the Asian giant hornet, a fierce predator that can reach 40mm long or larger, but the bees have developed a novel defense mechanism: they create a "hot defensive bee ball," swarming ...

Biology / Plants & Animals

created Mar 14, 2012 | popularity 3 / 5 (2) | comments 3

Giving research a boost with cheaper biochips

An EPFL invention has drastically reduced the cost of producing biochips, which are used to measure glucose and drug levels in the blood and to detect biomolecules and cellular signals. This development could ...

Electronics / Hardware

created Mar 14, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Science to help rice growers affected by Japan's tsunami

Under a year since a huge tsunami inundated paddy fields in Japan with salty sludge, scientists are near to developing locally-adapted, salt-tolerant rice. Following a Japan-UK research collaboration, a new ...

Biology / Biotechnology

created Jan 22, 2012 | popularity 4 / 5 (4) | comments 2 | with audio podcast