News tagged with dna barcodes

New tool for tracking a voracious pest

Since it first appeared in Texas in 1986, the Russian wheat aphid has cost U.S. wheat growers an estimated $200 million each year. But U.S. Department of Agriculture (USDA) scientists have developed a new ...

Biology / Other

created May 09, 2012 | popularity not rated yet | comments 0

Barcoding insects as a way to track and control them

Barcodes may bring to mind the sales tags and scanners found in supermarkets and other stores. But U.S. Department of Agriculture (USDA) scientists are using "DNA barcodes" to monitor insects that damage crops ...

Biology / Ecology

created May 02, 2012 | popularity not rated yet | comments 0

Plant DNA speaks English, identifies new species

The important changes to the way scientists name new plants that took effect on 1 January 2012 included the fall of the so-called Latin requirement - a stipulation that descriptions or diagnoses of new species ...

Biology / Plants & Animals

created Mar 23, 2012 | popularity 4.7 / 5 (3) | comments 3

DNA barcoding of parasitic worms: Is it kosher?

When rabbis from the Orthodox Union started finding worms in cans of sardines and capelin eggs, they turned to scientists at the American Museum of Natural History to answer a culturally significant dietary question: could ...

Biology / Plants & Animals

created Feb 14, 2012 | popularity 1 / 5 (1) | comments 3

Quack medicines, insect immigrants, and what eats what among secrets revealed by DNA barcodes

The newfound scientific power to quickly "fingerprint" species via DNA is being deployed to unmask quack herbal medicines, reveal types of ancient Arctic life frozen in permafrost, expose what eats what in ...

Biology / Plants & Animals

created Nov 27, 2011 | popularity 5 / 5 (1) | comments 0

Restaurants plan DNA-certified premium seafood

(AP) -- Restaurants around the world will soon use new DNA technology to assure patrons they are being served the genuine fish fillet or caviar they ordered, rather than inferior substitutes, an expert in genetic identification ...

Biology / Other

created Nov 27, 2011 | popularity 4.1 / 5 (10) | comments 14

New butterfly species identified in Yucatan peninsula

About 160,000 species of butterflies and moths are already known, but scientists believe that a similar number still remain undiscovered. Identification and characterization of these species can be complicated by the fact ...

Biology / Plants & Animals

created Nov 23, 2011 | popularity not rated yet | comments 0

New study reveals coral reefs may support much more biodiversity than previously thought

Smithsonian scientists and colleagues conducted the first DNA barcoding survey of crustaceans living on samples of dead coral taken from the Indian, Pacific and Caribbean oceans. The results suggest that the ...

Space & Earth / Environment

created Nov 02, 2011 | popularity not rated yet | comments 0

Darwin's butterflies? Spectacular species radiation in the Caribbean studied with 'DNA barcoding'

In one of the first taxonomic revisions of Neotropical butterflies that utilizes 'DNA barcoding', Andrei Sourakov (University of Florida, Florida Museum of Natural History) and Evgeny Zakharov (University ...

Biology / Plants & Animals

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

Unlisted ingredients in teas and herbal brews revealed in DNA tests by high school students

Take a second look at your iced or steaming tea. Guided by scientific experts, three New York City high school students using tabletop DNA technologies found several herbal brews and a few brands of tea contain ingredients ...

Biology / Biotechnology

created Jul 21, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Cod mislabeling 4 times more prevalent in Ireland than UK, study shows

28% of cod products in Ireland are mislabelled, as compared to 7% in the UK, according to research published today in the journal Fish and Fisheries.

Other Sciences / Other

created Jul 15, 2011 | popularity not rated yet | comments 0

Using DNA in fight against illegal logging

Advances in DNA 'fingerprinting' and other genetic techniques led by Adelaide researchers are making it harder for illegal loggers to get away with destroying protected rainforests.

Biology / Other

created Jun 30, 2011 | popularity not rated yet | comments 0

Food forensics: DNA links habitat quality to bat diet

All night long, bats swoop over our landscape consuming insects, but they do this in secret, hidden from our view. Until recently, scientists have been unable to bring their ecosystem out of the dark but thanks to new genetic ...

Biology / Ecology

created Mar 03, 2011 | popularity not rated yet | comments 0

Smithsonian scientists discover 7 new species of fish

Things are not always what they seem when it comes to fish -- something scientists at the Smithsonian Institution and the Ocean Science Foundation are finding out. Using modern genetic analysis, combined with ...

Biology / Plants & Animals

created Feb 04, 2011 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Revised floral formula, inflorescence terms

Research into the structure and development of flowers and inflorescences has revealed that traditional descriptive methods are often inadequate. Scientists at Kew have therefore suggested revisions to floral ...

Biology / Plants & Animals

created Jan 07, 2011 | popularity 3 / 5 (2) | comments 0