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Tag: "via" at biology news

Discovery may speed forest biotechnology

...ore rapidly breed some desirable traits, and then, via normal sexual crosses, remove the FT gene to leave behind trees that no longer have it, nor reproduce abnormally early. In other cases, a modestly strong FT gene might be left in place to provide sustained benefits, such as earlier or more heavily f...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...rs, rip them apart and bring the pieces (antigens) via the lymphatic system to the nearest lymph node. Wh... a flea that deposits a few bacteria, which travel via the lymphatic system to the lymph node and proliferate to huge numbers. One of the puzzles von Andri...

Oxidation defense in mosquitoes benefits malaria parasite

...emically reactive 3-HK to the chemically stable XA via transaminase-mediated reactions," said Li. The protein described in the PNAS article is responsible for this transforming of 3-HK into XA in the malaria vector Anopheles gambiae, where XA also helps the malarial parasite reproduce. So stopping the ...

Record bonefish

...ereabouts, and notify the program of the recapture via the phone number provided. This was the case on Dec. 29, when Dr. Brian Harris, a dermatologist from Fort Myers, Fla., caught one of these tagged fish ?estimated at 28.5 inches ?while he was vacationing in the Bahamas. "The tag number revealed th...

Predicting successful outcomes in living-donor liver transplants

...ohn Wiley & Sons, Inc. and is available online via Wiley InterScience at http://www.interscience.wiley.com/journal/livertransplantation . Monitoring liver function following LDLT is crucial and identifying poor function as early as possible would be a step in the right direction toward achieving be...

How nice, brown rice: Study shows rice bran lowers blood pressure in rats

...s?systolic blood pressure by about 20 percent and, via the same mechanism, inhibited angiotensin-1 converting enzyme, or ACE. “There’s much work being done on various bran fractions to nail down any health benefits,?says the journal’s editor, James Seiber, Ph.D., who is also director of the U.S. Departm...

Weighting cancer drugs to make them hit tumors harder

...self is small enough to travel throughout the body via the bloodstream, causing toxicity to vital organs ...for the liver to break them up and dispose of them via the intestines. "Our goal was to increase the tumor dose and lower the systemic dose," said Chilkot...

Secrets of the sea yield stronger artificial bone

...ng nature," says Tomsia. After the ice is removed via sublimation, the result is a porous scaffolding composed of hydroxyapatite that exhibits striking similarities to nacre's multilayered structure across a wide range of length scales. Like nacre, the surface of each layer is rough, helping the layers ...

Plants used to detect gas leaks, from outer space!

...y of satellite remote systems to monitor gas leaks via the spectrum of reflected light from plants, which changes when the plants are stressed", says Steven. "A satellite image of the stress responses in vegetation should identify gas leaks at least as well as a visual report from a helicopter, which is...

Congenital rubella syndrome nearly eradicated in the US

...eratology Society. The journal is available online via Wiley InterScience at http://www3.interscience.wiley.com/cgi-bin/jhome/102526943 . Endorsed by the Teratology Society, the Organization of Teratology Information Specialists (OTIS), the Neurobehavioral Teratology Society, and the Behavioral Toxicol...

Tandem transcripts team together

...at the intergenic sequences of TICs were processed via the same standard eukaryotic splicing machinery that removes introns from RNA transcripts. Following a similar whole-genome survey of splicing events, Guigó's laboratory focused on the ENCODE regions, a set of DNA sequences, representing 1% of the g...

One in 14 men having a heart attack drive themselves to hospital

...e one-year study. Only patients who were admitted via the hospitals' casualty departments, who had a confirmed heart attack diagnosis and who were sent to the hospitals' coronary care units were included in the study. ...

Not just the birds

...rted nutrients from the nearby seas to the islands via their guano, or excrements. Rich in phosphorous and nitrogen, researchers estimated that guano was reduced by over an order of magnitude on the fox-infested islands. The reduced nutrient flow affected plants, spiders, other birds, flies, and slug...

Cyclosporine inhibits hepatitis C virus in vitro

...ohn Wiley & Sons, Inc. and is available online via Wiley InterScience ( http://www.interscience.wiley.com/journal/livertransplantation ). Hepatitis C always recurs after liver transplantation, often damaging the new organ and rendering patients ineligible for retransplantation. To address this prob...

Gut protein found to protect against infection and intestinal breakdown

...ed by the liver and flows into the small intestine via a duct, contains harsh acids that help the body absorb nutrients, kill certain bacteria and help keep intact the lining of the intestine, a major barrier against the infiltration of infectious microorganisms. That's no small task; if the innermost li...

African amphibians make extreme parental sacrifice: The skin off their backs

...ch the mother provides nutrition to her hatchlings via her skin, has never been seen before in amphibians, and may be unique among vertebrates to this group of amphibians," said Nussbaum, a professor of ecology and evolutionary biology and a curator in the U-M Museum of Zoology. "Some cichlid fishes are ...

Mice lacking social memory molecule take bullying in stride

...ses to emotionally important environmental stimuli via release of dopamine. Activity of this neurotransmitter is regulated in the circuit by brain derived neurotrophic factor (BDNF), which is known to play a key role in memory ( http://www.nimh.nih.gov/Press/prbdnf.cfm ). Berton, Nestler and colleagues ...

Anti-HIV drug has potential to prevent transmission in women

.... Because the majority of new HIV infections occur via heterosexual intercourse, there is a need for new ways to prevent the sexual transmission of HIV. Although condoms can offer protection from HIV, in many societies women's legal and social status is subordinate to men's and they may not be able to ne...

New brain hormone puts brakes on reproduction

...tors produced along the "reproductive axis" acting via feedback loops to keep the body's hormones within ...'s GnRH-producing hypothalamus, which communicates via a blood portal with the anterior pituitary and stimulates production of the hormones gonadotropin, l...

Australian first to save sight

...t, East Melbourne (due to renovations please enter via Morrison Place). Interviews will be available with corneal recipient Dorothy O'Kane (61) and Iola Matthews (62), who is due to undergo her first corneal transplant on Thursday. There is also an opportunity to film an operation of a corneal transpla...

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