Tag: "protected" at biology news

Study of marine snail suggests conservation efforts should consider factors beyond genetic diversity

...now greatly influence decisions on where to locate protected reserves, since the most genetically diverse populations are assumed to be better able to withstand environmental changes. But while the snails around Los Angeles and to the south are genetically more diverse than those to the north, the researchers ...

Presbyterians vote in favor of fetal, embryonic, and stem cell research

...tus as a moral being. We view abortion as not only protected under U.S. law, but as morally justifiable in certain circumstances. We believe that the use of tissue derived from fetuses is morally and ethically acceptable, provided that the procurement of that tissue is subject to appropriate limitations, and w...

Vegetable 'immune systems' protect better against food spoilage

...hat the cells of dead plants continue to be better protected against bacteria and fungi than are the cells of d... plants do not have a true immune system, they are protected against microorganisms by natural chemical compounds, sturdy cell walls containing cellulose and li...

Study shows top predator makes prey population vulnerable in catastrophe

...such as trees rather than rock holes or other more protected sites. This would make the eggs deposited more vulnerable to hurricane winds and water. The third explanation suggests that,because the anoles were forced to shift their habitat, moving far up into the bushes to avoid the curly tails, they may have ...

Using hard science to protect fragile seas

... some oyster reefs, but that other reefs should be protected from both types of fishing so that both population...s Statement calling for the establishment of fully protected marine reserves - areas along the U.S. coast that would be off limits to fishing, drilling and other...

Researchers find large discrepancies in spouses' reports on birth control

...d so they are more likely to know whether they are protected or not from becoming pregnant." Nevertheless, the authors also recommend men's reports of contraceptive method continue to be collected and analyzed since, according to Becker, "interviewing and analyzing responses from both partners is an important ...

Researchers' mathematical model provides chagas disease insights

... which during the spring are kept indoors to brood protected from theft or predation. Chickens cannot be infected with T. cruzi whereas dogs and humans can be. But the infected dogs are much more infectious to the bugs than the infected humans, and therefore fuel population growth of both bugs and T. cruzi. B...

Eaten as food, African orchids threatened by illegal trade

... If established, the park will be one of the first protected areas in tropical Africa to be gazetted primarily ...n a matter of a few years. All orchid species are protected by CITES (Convention on International Trade in Endangered Species), which requires certification of ...

Component of fly saliva makes promising Leishmaniasis vaccine

...red not to produce antibodies, the mice were still protected by the vaccine, suggesting T cells were protecting the animals from disease. The results demonstrate a vaccine containing a component of sand fly saliva can protect mice from the severe symptoms associated with cutaneous leishmaniasis, perhaps by mi...

Tips from the Journals of the American Society for Microbiology: August 2001

... of SIV. More than half the vaccinated group were protected against infection while all control monkeys became SIV positive. In addition, those vaccinated monkeys who became infected remained healthy while many in the control group progressed rapidly to clinical AIDS. "Here we provide the first report of pro...

Vaccination following spinal cord injury: Innovative Weizmann Institute approach limits paralysis

...e initial trauma. If the surviving tissue could be protected against secondary degeneration, this would signifi... the untreated rats, suggesting that the treatment protected the animals from secondary degeneration. Results indicate that the therapeutic window for T-cell-bas...

The lands nobody wanted

...one third of vegetation types are not found within protected lands. The team examined the distribution of ecological zones in comparison to the location of national parks, national forests, national wildlife refuges, and designated wilderness areas, Indian reservations, county parks, and other areas having p...

Genetic mutation influences spread of AIDS; African population lacks mutation

... or alleles of this mutation are almost completely protected against HIV," explains Kirschner. "Those with one mutated and one normal copy can be infected, but they carry lower levels of the virus and take two years longer, on average, to develop AIDS. People with two normal copies of the CCR5 gene are most su...

Fight between GMOS and the bugs they repel may not be over

... number of crop-eating pests need to be treasured protected for the susceptibility genes they pass on to the next generation. It has never been good just to kill everything you can, Whalon said. We should be trying to preserve a sufficient number of insects that are susceptible to the GMO crops. These bugs ...

China to declare new reserve for Siberian tigers

...ildlife Conservation Society to assist in creating protected area along Russian border NEW YORK With assista...ty (WCS), the Chinese government will create a new protected area along its border with Russia in order to safeguard the nations remaining population of endanger...

Ecology lab aids Turtle Survival Alliance

...ful policies, promote field research and establish protected areas in the natural ranges of these turtles. The full extent and gravity of this environmental crisis is strongest in the many photographs available which document the treatment of the turtles and only begins to touch on the number of individuals af...

Research finding could lead to vaccines effective against a range of cancers, UC Berkeley researchers report

... a range of cancers. This simple gene therapy also protected the mice against subsequent injection of tumor cells that had not been altered, meaning their immune systems remembered the initial challenge - a necessary step for any vaccine therapy. "When we introduced the gene into cells that didn't have it and ...

Research season will feature use of sophisticated technologies to map Antarctica

... years, the extremes of the polar environment have protected some of the artifacts in the huts from rapid decay, but conservators have become concerned about degradation of these important historical, archaeological sites. They will study the mechanisms and progressive sequence of events taking place during d...

Researchers find a key to immunological development

...these receptors, the immune system of the fetus is protected from estrogen and related compounds that might be present in the environment. It adds to information that various kinds of stem cells may not be the same in fetal and adult life. Paul W. Kincade, Ph.D., the head of the research team, will present ...

Researchers discover secrets of Anthrax's killer toxin

...ax toxin in a test tube, the cells were completely protected from destruction. "The soluble receptor worked as a decoy or sponge to absorb the toxin before it could attach to the ATR on the cells," explains Dr. Young. "Now that we know what the anthrax receptor looks like, researchers can screen large numbers...

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