Tag: "snake" at biology news
Streptococcus infects humans by thwarting blood clotting
... researchers administered a substance derived from snake
venom that degrades another clotting protein, fibrinogen, discovering that the treatment greatly increased the mice's mortality from this streptococcus infection. Streptokinase's importance to group A streptococci may generalize to many other human-...
Strep disrupts blood clotting to infect humans
... researchers administered a substance derived from snake
venom that degrades another clotting protein, fibrinogen, and found that it too greatly increased the mice's mortality from this streptococcus infection. To Ginsburg, who has spent much of his career studying the genetics of blood clotting and clott...
Forest fire sensor inspired by nature
...rgans. In fact, since the beginning of last year a snake
experts, Dr. Guido Westhoff, has been collaborating with Helmut Schmitz at Bonn's Institute of Zoology. He is examining the heat sense of reptiles in a project funded by the Deutsche Forschungsgemeinschaft (DFG). Nowhere else in the world are all the...
New roles for protein modifications in cell migration
...proteins first identified as components of various snake
venoms, where they have hemorrhagic and anti-coagulatory effects. ADAM-family proteases have been implicated in a number of human physiological and pathological processes, including blood coagulation disorders, rheumatoid arthritis and asthma. These ...
Venom hunt finds 'harmless' snakes a potential danger
...tological adventure to track down when and in what snake
venom first evolved. The result was the ground-breaking discovery that snake
venom developed only once in evolution and it did so about 60 million years ago, millions of years e...
Study calls for cheaper antitoxins for plant poisoning in less-developed countries
Antitoxins for plant poisoning and antidotes to snake
venom should be included in the global drive to re...yet there is a dearth of affordable antivenoms for snake
bites and antitoxins for plant poisoning. Although digoxin-specific antibodies were not patented on ...
UC Berkeley museum biologists to repeat 85-year-old Yosemite National Park wildlife survey
...nce lizard, Western skink, sagebrush lizard, night snake
and sharptailed snake. "We're learning there have been ecological changes within the park that until now we haven't been able to document adequately," said Leslie Chow, a UC Berkeley graduate now serving in Yosemite as a research wildlife biologist ...
UGA scientists test less lethal means to determine contaminant uptake
...Hopkins and Jennifer Baionno used the banded water snake
(Nerodia fasciata), a common nonvenomous species, as the test animal. Using a control group as well as two groups that were fed fish containing varying levels of arsenic, selenium and strontium, the scientists compared data from such traditional te...
Peering inside a blood vessel
...fering from a blocked blood vessel, a doctor might snake
a catheter through the blood vessel system to the blocked artery, inject a contrast agent and take X-ray images of the site. It's a common procedure regarded as the best method of 'seeing' such blockages. But a University of Alberta researcher is t...
Innovative research with pythons offers new insights into the body's digestive processes
...on birds and mammals. They are one of the largest snake
species, reaching lengths up to six meters and masses to 100 kilograms. The reptiles used in this study were secured from a commercial breeder and maintained on biweekly diet of laboratory rats and water. Key stages of the experiment included: ...
UGA student questions why snakes cross roadways
...s been thought that since roadways soak up heat, a snake
will seek them out to increase its body's temperature. "But you almost never see a snake
coiled up on a roadway," says Andrews. "And when you do see one in the road, they are booking it." S...
Sea snake homing instinct could nix translocation
Philippine researchers want to restore a sea snake
that has been wiped out on Gato Island by translocating the species from other islands. But new research suggests that this may not work because these snakes have such a strong drive to return to their own islands. "The fidelity of snakes to their h...
U of C researcher tracks path of flying snake
...riginal submission to EurekAlert!. The sight of a snake
strikes fear in the hearts of millions of people. ...mics of the Chrysopelea paradisi, or paradise tree snake
- one of five snake
species that are purported to "fly". Socha found that the aerial behavior of thi...
Viruses help strep bacteria turn deadly
... of the toxins resembles an enzyme found in potent snake
venoms. Those molecules may prove to be useful targets for new drugs, diagnostics or vaccines. The research also opens the door to what Dr. Musser believes is a neglected area of research. "Scientists have known about bacteriophages for a long tim...
Just one bite at a time: Researchers find snake with unusual feeding habit
... colleagues were astonished to discover a tropical snake
that eats at a much different pace. The snake, fou..., is reported in the July 11 issue of Nature. "The snake
literally rips the crab's body apart," said Jayne. "They'll tug and pull on it to tear it apart." Th...
Unique feeding behavior discovered for snakes
...t now scientists have discovered that a species of snake
can tear apart its prey. This snake
loops its body around a crab to hold one end while using its mouth to pull off legs or rip the crab'...
Efficient plastic nuggets key to agricultural plastic waste disposal
.... The die is heated to melt the outer layer and a snake
of compacted, but mostly unmelted plastic emerges. For the prototype, Garthe cuts the snakes into nuggets with a hot knife. Conveyers, a way to produce the proper-size plastic pieces, and automatic cutting of the nuggets will eventually be incorpor...
Relative of snake venom toxin may aid in understanding nicotine addiction
...-- Scientists have found that a protein resembling snake
venom neurotoxin modulates the sensitivity of spec...bored a natural, or endogenous, protein resembling snake
venom that could affect the nervous system. At the time the discovery was made, such an assumption w...
Where there's fire
... urbanization continues to grow and major highways snake
through forested areas. Thick smoke, especially when mixed with late night or early morning fog, can reduce visibility to zero and create extremely treacherous driving conditions. Keeping smoke away from highways is further complicated by the highly ...
Worlds smallest reptile discovered in Caribbean
...ther though a pencil if the lead were removed. The snake
is found in the West Indies. Species of extreme size, both smallest and largest, often evolve on islands, where they face fewer competitor species than they would on the continents. The Jaragua Sphaero, which measures about three quarter...
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