Tag: "stranded" at biology news
Boats A Source Of MTBE In Water
...er Party, theill-fated pioneer expedition that was stranded
near the lake during the winterof 1846-47....
Baby Dolphin "Little Orphan Annie" Loses Battle For Her Life
...sional staff. Although "Annie's"chances, like many stranded
dolphin, were less than 2% from the outset, HarborBranch made every effort to provide for her recovery. Stephen McCulloch, Harbor Branch Director of Dolphin Research and Conservationnoted, " "Annie" had a tremendous will to survive and fought great o...
USGS reports continued decline of California sea otters
...bers have declined. Additionally, during 1998, 213 stranded
sea otters were reported, the highest number ever recorded. Just what factors are responsible for the increase in deaths is unclear. Disease, contaminants, starvation and entanglement or entrapment in coastal fishing gear may...
USGS scientists tracking environmental damage from Floyd
...s.Already, USGS crews have made several rescues of stranded
citizens during theirstreamflow and water quality data collection efforts. Virginia USGS scientists are tracking bacteria sources and other contaminants in AccotinkCreek in Fairfax County and Blacks Run in Rockingham County where high levels ofbac...
Blooming health thanks to a frog
...icases, a class of proteins known to unwind double stranded
DNA during replication and repair. In order to identify the exact role of this protein, Dr. Yan and colleagues turned to the species Xenopus, a frog firmly established as a biological model system. They used extracts from Xenopus eggs to reconstitut...
Mammalian telomere maintenance
...f chromosomal DNA so to distinguish it from double stranded
DNA breaks. Telomere capping thereby prevents the...the DNA damage repair complex which repairs double stranded
DNA breaks. One would expect that such proteins would be excluded from the telomeres, but that is n...
For whales and seals the ocean is not blue
...e cone types in preserved eyes of animals that had stranded
or died in zoos. On the basis of their taxonomically broad sample of species, Peichl, Behrmann and Krger believe that all whales and seals consistently lack blue cones. Whales and seals belong to different mammalian orders. The ancestors of whales ...
Future army could run on alternative fuels, photosynthesis
...urrying fuel to Patton's army, he and his men were stranded
dry. The chance to sweep through France into Germany soon passed. Robert Love, study director for the National Research Council, says such situations could be avoided in the future by employing alternative fuels made from natural and renewable reso...
...inding of two single strands of DNA to form double stranded
DNA like that found in people. The device, which boasts extremely high sensitivity, works by adsorbing DNA molecules from a patients sample and binding on a micro-cantilever treated with a known DNA sequence. If the sample DNA binds to the known DNA...
New genetic technique delivers knockout blow to 'Asthma Virus'
...crobiology reveals how synthetic inhibitory double stranded
RNA (siRNA) can be used to knock out the function ... to combat such viruses. Most organisms use double stranded
DNA to store their genetic information. However, some viruses use single or double stranded
A feast of lobsters
...t gasp' migration into the shallows where they are stranded
by the tide. Anxious researchers rescued several tonnes of lobsters and trucked them along the coast to an unaffected area where they were released back into the sea. The 'trap that wasn't' was discovered by US scientists studying the behaviour of lo...
Gene duplication adapts to changing environment
...ions: to digest dietary RNA and to degrade double stranded
RNA, perhaps as a defense against double-stranded RNA viruses," says Zhang. In the douc langur, RNASE1B has become super-efficient at the first job, but has lost the ability to do the second, his research shows. RNASE1, though upstaged in the first...
Traits link viruses from common cold to HIV
...h include HIV, the virus that causes AIDS. Double stranded
RNA viruses, a grouping that includes rotavirus, a virus that kills about one million children a year in developing countries. These three groupings encompass over half of the world's known virus families. Finding commonalties on such a grand scale ...
Scientists devise new 'gene silencing' strategy: Genome, biomedical research expected to flourish
...ematode worms by injecting the animals with double stranded
RNA corresponding to the gene, or even by simply feeding the animals the double stranded
RNA. (Genes are made of DNA. RNA is a chemical cousin of DNA, but has different structure and proper...
UC study links parasites in freshwater runoff to sea otter deaths
...ng record levels this year, based on the number of stranded
animals examined through May 2002....
Patients with serious kidney disorder produce natriuretic peptides at above average rates
...he presence and localization of CNP mRNA (a single stranded
RNA molecule that specifies the amino acid sequence of one or more polypeptide chains) in the normal human kidney. Their study objectives also included the presence of CNP in patients with nephrotic syndrome as well as the peptide's presence in bloo...
Experimental 'gene switch' increases lifespan with no ill effects
...hence any given gene simply by introducing double stranded
RNA that matches it. The two strands separate when...enyon's group realized they could introduce double stranded
RNA corresponding to the Dicer gene as well and inhibit RNAi itself. When they did this, the effecti...
Study sheds light on how the sun causes skin cancer
...at the UV radiation had actually caused the double stranded
DNA molecule to break. "Given the data we see, people need to think of amplification, and also deletion, presumably, as a mechanism by which UV exerts its mutagenic effects," Chin said. "So far people haven't really looked at these as UV-induced chan...
Glowing bacteria show researchers how an anti-flu-virus drug may prevent bacterial pneumonia
...ays McCullers. "That leaves the pneumonia bacteria stranded
outside the cells and gives the immune system time to destroy them before they can cause respiratory disease." In the study, one group of mice received prophylactic (protective) doses of oseltamivir for five days, beginning four hours before being i...
Carnegie Mellon scientists create unique DNA probe with great potential
..., as in the PNA2-DNA2 hybrid quadruplex, and a two stranded
quadruplex in which the two strands are folded back on themselves to form hairpins. Human DNA has a different sequence, so different PNA strands will need to be synthesized before such experiments can begin. In addition, in vivo, only a single G-rich...