News tagged with nematode worms

Obstacles no barrier to higher speeds for worms, researchers find

Obstacles in an organism's path can help it to move faster, not slower, researchers from New York University's Applied Math Lab at the Courant Institute of Mathematical Sciences have found through a series ...

Biology / Plants & Animals

created Feb 08, 2012 | popularity 3 / 5 (1) | comments 3 | with audio podcast

'Worm speak' uses chemicals to communicate

(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...

Biology / Cell & Microbiology

created Jan 26, 2012 | popularity 4.8 / 5 (13) | comments 4 | with audio podcast

Live-action films of worm sperm help researchers track critical fertility enzymes

Compared to most other cells in an organism, sperm undergo a radical transformation to become compact and mobile delivery systems for paternal DNA. Even though sperm looks and moves quite differently across ...

Medicine & Health / Genetics

created Nov 01, 2011 | popularity not rated yet | comments 0

Evolution keeps sex determination flexible

There are many old wives' tales about what determines a baby's sex, yet it is the tight controls at the gene level that determine an organism's sex in most species. Researchers at Michigan State University have found that ...

Biology / Evolution

created Sep 12, 2011 | popularity not rated yet | comments 0

Hermaphrodite roundworm offspring yield evolutionary clues, researchers say

(PhysOrg.com) -- A roundworm with a mix of male, female and hermaphrodite offspring is offering researchers at UT Arlington a look at a species in transition from one mode of reproduction to another.

Biology / Plants & Animals

created Sep 09, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Researchers extend genetic code of an entire animal

(PhysOrg.com) -- Researchers Sebastian Greiss and Jason Chin of the Medical Research Council's Laboratory of Molecular Biology in Cambridge, have succeeded in manipulating the DNA of a nematode such that a ...

Biology / Biotechnology

created Aug 15, 2011 | popularity 4.8 / 5 (9) | comments 7 | with audio podcast report

New resource to unlock the role of microRNAs

A new resource to define the roles of microRNAs is announced today in Nature Biotechnology. The resource, called mirKO, gives researchers access to tools to investigate the biological role and significance for human health ...

Medicine & Health / Research

created Aug 07, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers flip the switch between development and aging in C. elegans

When researchers at the Buck Institute dialed back activity of a specific mRNA translation factor in adult nematode worms they saw an unexpected genome-wide response that effectively increased activity in specific stress ...

Biology / Biotechnology

created Jul 05, 2011 | popularity not rated yet | comments 0

Worms from hell identified far below the Earth's surface

(PhysOrg.com) -- In a study published this week in Nature, researchers Gaetan Borgonie from Ghent University in Belgium and Tullis Onstott from Princeton University announced the discovery of new nematode specie ...

Biology / Cell & Microbiology

created Jun 02, 2011 | popularity 5 / 5 (11) | comments 0 | with audio podcast report

Buenos 'notch-es': Universal signaling pathway found to regulate sleep

Sleeping worms have much to teach people, a notion famously applied by the children's show "Sesame Street," in which Oscar the Grouch often reads bedtime stories to his pet worm Slimy. Based on research with their own worms, ...

Medicine & Health / Research

created May 05, 2011 | popularity not rated yet | comments 0 | with audio podcast

Researchers show heparan sulfate adjusts functions of growth factor proteins

When the human genome project produced a map of human genes, the number of genes in humans turned out to be relatively small, approximately the same number as in primitive nematode worms. The difference in complexity between ...

Chemistry / Biochemistry

created May 04, 2011 | popularity not rated yet | comments 0

Nature study shows common lab dye is a wonder drug -- for worms

Basic Yellow 1, a dye used in neuroscience laboratories around the world to detect damaged protein in Alzheimer's disease, is a wonder drug for nematode worms. In a study appearing in the March 30, online edition of Nature, the dy ...

Medicine & Health / Research

created Mar 30, 2011 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Worms strike see-saw balance in disease resistance

New research has shown that nematode worms have to trade-off resistance to different diseases, gaining resistance to one microbe at the expense of becoming more vulnerable to another. This finding, published in PLoS ONE today ...

Biology / Biotechnology

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

When worms stick together and swim on thin water, what happens and why does it matter?

Nematodes, microscopic worms, are making engineers look twice at their ability to exhibit the "Cheerios effect" when they move in a collective motion.

Physics / Soft Matter

created Feb 08, 2011 | popularity 3 / 5 (4) | comments 1 | with audio podcast

Males more considerate than imagined

Male worms plug females after copulation as a form of 'gift', rather than to prevent them from mating again, as had previously been thought. Researchers writing in BioMed Central's open access journal Frontiers in Zoology found ...

Biology / Plants & Animals

created Nov 01, 2010 | popularity 5 / 5 (1) | comments 0