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Tag: "worm" at biology news

A Jekyll and Hyde of cytokines: IL-25 both promotes and limits inflammatory diseases

...rive the type of response required for eradicating worm infections and causing asthma. Importantly, IL-25...ing from mankind's historical fight with parasitic worm infections. That is, a type 2 response that was once useful in fighting worm infections has now bec...

Parasitic worms used to fight bowel disease

...t that would normally cause inflammation, but that worm parasites mount an anti-inflammatory defense that ...rms to regulate immune responses." The particular worm that Mansfield and colleagues are studying as a potential treatment is known as the whipworm, or Tri...

Newly identified protein complex sheds light on axon growth mechanism

... axon growth and synapse formation in the nematode worm C.elegans. In a study published today in the open access journal Journal of Biology, researchers have characterised a new protein, UNC-69, required for proper locomotion . They show that UNC-69 interacts with UNC-76 in a protein complex likely to be ...

Giant deep-sea tubeworm's meal ticket comes in as a skin infection

...y proliferate and provide sustenance tothe growing worm indefinitely. In return thebacteria get a safe habitat and a reliablesource of food. "The symbiont, and only the symbiont, iscapable of invading the skin of the tubewormlarvae. It migrates through several layers oftissue towards the interior of the ...

How healthy is that marsh? Biologists count parasites

...mediate host animals being primary variables among worm species. Intrigued by the prospects of developing...cularly those slated for restoration. By comparing worm statistics before and after a restoration project, which could include activities such as digging ch...

Even a little cooling helps after cardiac arrest

...mediate host animals being primary variables among worm species. Intrigued by the prospects of developing...cularly those slated for restoration. By comparing worm statistics before and after a restoration project, which could include activities such as digging ch...

Worm links cancer risk to ageing

...ly removing checkpoint proteins in the microscopic worm C. elegans. By doing so, the researchers caused a 15-30% increase in the worm's lifespan. "Given the role that checkpoint proteins play in the development of cancer ?or in causing tumours when the proteins are defective ?the findings raise the quest...

Extraordinary life found around deep-sea gas seeps

...inged with stands of another type of deep-sea tube worm that is also gutless and relies on symbiotic bacteria for its nutrition. Corals and, at two of the sites, numerous sponges, were also observed. 'We've collected samples of the animals living around the seeps for formal identification, but the dist...

Public Library of Science to launch new, open access journal on neglected tropical diseases

...the successful global campaign to eradicate Guinea worm disease. PLoS Neglected Tropical Diseases will publish high-quality, rigorously peer-reviewed research on all scientific, medical, and public health aspects of neglected tropical diseases, including public policy studies. It will include an engag...

NYU biologists identify gene that coordinates two cellular processes

...ing functional genomic tools to study the nematode worm Caenorhabditis elegans (C. elegans), the first animal species whose genome was completely sequenced and a model organism to study how embryos develop. The study appearing in Current Biology was performed by NYU's Fabio Piano, an assistant professor,...

Tiny Tampa Bay fish key to evolution of immune system

...in Nature Immunology. "At a basic level, this sea worm tells us about the evolution of the immune response; specifically, it tells us that primitive organisms have more sophisticated immune systems than we previously thought," said X-ray crystallographer David Ostrov, Ph.D., an assistant professor of pat...

New clues to how sex evolves

... evidence is strong that the answer, as far as the worm is concerned, lies on the chromosomes' Pairing Centers. ...

The origin of the brain lies in a worm

...investigate the nervous system of a marine annelid worm called Platynereis dumerilii. "Platynereis can b...o on to form the same neural structures in annelid worm and vertebrate." "Such a complex arrangement caould not have been invented twice throughout evolu...

Left-right wiring determined by neural communication in the embryonic worm

...ich nerves develop on which side seems random from worm to worm. But now, Rockefeller University and Howa...te with each other, a system that dissolves as the worm develops. Every neuron in the adult C. elegans has been mapped and named. Handedness researchers ...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...t, and support sulphur-loving bacteria and bizarre worm and clam species—could smother and contaminate these communities, which some biologists argue may represent the origins of life on earth. "We need to act now to establish scientific and legal methods to protect these sensitive ecosystems and mini...

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