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base in Biological News

Baylor researchers unravel mystery of DNA conformation

... stress was the force that accounted for the base flipping that others have seen occur, but for ... supplied to do this very big job." When the base flips out, it relieves the stress on the DNA, ... relaxes the rest of the DNA not involved in the base flipping back to its "perfect spring" state. ...

Genetic switch potential key to new class of antibiotics

... site. The study further detailed how the first base of the mRNA's ribosome binding site binds to a ... the preQ1 aptamer loop to bind to the first base in the ribosome binding site is a standard G to C base pairing similar to that first described by Watson ...

Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications

... the task of sequencing some 3 billion chemical base pairs of the genomeenough information to fill a ... obstacles to more efficient identification of DNA base pairs through techniques like optical microscopy: ... instruments to identify complementary DNA base pairs, evaluating the hydrogen bonds formed ...

CSHL scientists clarify editing error underlying genetic neurodegenerative disease

... only lining up in a manner such that a particular base in U1 pairs with the first base of the target intron's RNA sequence that is, in ... found that U1 can shift itself down to the next base in the intron's RNA sequence if this new ...

Organic soils continue to acidify despite reduction in acidic deposition

... study showed that over the 17-yr interval, median base saturation in the Oa-horizon decreased from 56% ... showed no significant change. The change in base saturation was the result of almost equivalent ... showed the greatest declines in exchangeable base cations ...

Can genetic information be controlled by light?

... in their light sensitivity depending on their base sequences. Their results are reported by Nina ... of methods on DNA molecules with different base sequences, the research group led by Professor ... a DNA strand, and the hydrogen bonds between the base pairs of the two complementary single strands in ...

Army can boost mission success by better managing

... to a variety of environmental problems. At one base camp in Afghanistan, legacy pollution problems ... environmental problems. The study finds that base camps raise a host of environmental issues. In ... theater much longer than expected. As a result, base camps that were hastily constructed for temporary ...

NHGRI seeks DNA sequencing technologies fit for routine laboratory and medical use

... high quality genome sequence of 3 billion base pairs the amount of DNA found in humans and ... nanogap detector sensitive enough to identify DNA base pairs by their electrical signals as a single DNA ... allows the instrument to identify the sequence of base pairs. Xiaohua Huang, Ph.D., University of ...

Baseball diamonds: the lefthander's best friend

... faster than the righty. That translates to more base hits for the left-hander, whether singles or extra base hits because lefties are getting to the bases ... advantageous to southpaws are pitching, first base and right field. For the positions, the ...

Argonne-University of Chicago joint venture bolsters genomic sequencing capabilities

... It provides 400,000 DNA fragments of about 250 base pairs each or 100 million base pairs per run that represent either a ... reads with a current read length of 18 to 36 base pairs or about 1 ...

And the first animal on Earth was a ...

... the study defined the earliest splits at the base of the animal tree of life. The tree of life is a ... finding challenges the traditional view of the base of the tree of life, which honored the lowly ... of the relatively complex comb jelly at the base of the tree of life suggests that the first ...

And the first animal on Earth was a...

... the study defined the earliest splits at the base of the animal tree of life. The tree of life is a ... finding challenges the traditional view of the base of the tree of life, which honored the lowly ... of the relatively complex comb jelly at the base of the tree of life suggests that the first ...

Scientists find that squid beak is both hard and soft, a material that engineers want to copy

... of stiffness. The tip is extremely stiff, yet the base is 100 times more compliant, allowing it to blend ... tissue. However, this only works when the base of the beak is wet. After it dries out, the base becomes similarly stiff as the already desiccated ...

Researchers decode genetics of rare photosynthetic bacterium

... marina has a massive genome (8.3 million base pairs) and is among the largest of 55 ... chlorophyll d gene to be expressed at the very base of the stalk. While the rest of the plant ... chlorophyll a, absorbing short wave light, the base is absorbing red edge light in the 710 nanometer ...

Researchers decode genetics of rare photosynthetic bacteria

... marina has a massive genome (8.3 million base pairs) and is among the largest of 55 ... chlorophyll d gene to be expressed at the very base of the stalk. While the rest of the plant ... chlorophyll a, absorbing short wave light, the base is absorbing red edge light in the 710 nanometer ...

Bacterium sequenced makes rare form of chlorophyll

... for a cyanobacterium, comprising 8.3 million base pairs, and sophisticated. The genome is among ... chlorophyll d gene to be expressed at the very base of the stalk. While the rest of the plant ... chlorophyll a, absorbing short wave light, the base is absorbing red edge light in the 710 nanometer ...

UT researcher earns $1.3M grant to study toxic cleanup at DOD sites

... KNOXVILLE -- Decades of weapons production and base operations have left the U.S. Department of ... Aleisa Bloom, group leader of the DOD base Technical Support Group at Oak Ridge National ... Gorder, project manager with the Hill Air Force base Environmental Restoration Branch, will assist ...

Ultraconserved elements in the genome: Are they indispensable?

... rats, and humans. These are DNA sequences 200 base pairs in length or longer -- some are over 700 base pairs long showing 100-percent identity among ... that these sequences are crucial for life: if a base changes, the organism would die, so that's why we ...

First individual genome sequence published

... sequence and assembly of the six billion base pairs from the genome of one person ushers in the ... the combined data set of more than 20 billion base pairs, the researchers were able to assemble the ... genome with an overall length of 2.810 billion base pairs. The genome was covered 7.5 times, ensuring ...

Scientists find clue to mechanisms of gene signaling and regulation

... across the animal genomes, almost always at the C base position of a CG dinucleotide (sequence of two base pairs) in the genetic sequence. Most ... found a repeat pattern (periodicity) of 8 to 10 base pairs between two CG dinucleotides. The ...

Understanding how weeds are resistant to herbicides

... available. "There's a website where you can go and get the 43 million base pairs of sequence. So anyone can get it and use that information." ... another pigweed evolving resistance, can go straight to that data base and get gene sequence data." Another outcome of having this genomic ...

Scary ancient spiders revealed in 3-D models, thanks to new imaging technique

... also discovered that Cryptomartus hindi had ball-like growths at the base of its limbs, called coxal endites. The scientists believe the coxal ... from their last common ancestor, who probably used the growths at the base of their limbs to help them grind their food. These coxal endite-type ...

Army study improves ability to predict drinking water needs

... AUDIO: When soldiers leave base for a three-day mission, how much water should they bring? Dr. Samuel ... BETHESDA, Md. (July 8, 2009) When soldiers leave base for a 3-day mission, how much water should they bring? Military planners ...

Dogs, humans, put heads together to find cure for brain cancer

... of human chromosome 22. This chromosome is made of almost 50 million base pairs of DNA that code for more than 500 genes. "The dog has been man's ... to canine chromosome 27. "Now, instead of looking at 50 million base pairs that contain several hundred genes, we can focus on the portion of ...

DNA template could explain evolutionary shifts

... the two strands, breaking the hydrogen bonds between the A T and G C base pairs. The two separating strands become the replication fork. On one ... rearrangements ranging in size from several megabases to a few hundred base pair during normal cell division, resulting in the duplication or even ...

'Platforms in space' to help businesses

... unit said "G-STEP will exploit GMES technologies and the wider R&D base to advance business innovation and economic competitiveness in the East ... Chairman, Nick Carter, who sits on the steering group. The physical base will provide meeting space, a design facility, and logistics for service ...

Scientific evidence of health problems from past contamination of drinking water at Camp Lejeune is limited and unlikely to be resolved with further study

... -- Evidence exists that people who lived or worked at Camp Lejeune Marine base in North Carolina between the 1950s and 1985 were exposed to the ... 8 of the report. Some health outcomes reported by former residents of the base -- such as male breast cancer and second-generation effects -- are not ...

Colon cancer screening technique shows continued promise in new study

... (LEBS) spectroscopy, to analyze tissue samples taken from the base of the rectum. Light shines on the tissue, scatters, and some of that ... elsewhere in the colon even though it just analyzed tissue from the base of the rectum. The results were recently published in the journal ...

Aluminum-oxide nanopore beats other materials for DNA analysis

... performed experiments with pieces of DNA containing approximately 5,000 base pairs. Bashir's team verified the detection of single molecules, with a ... nanopore technology. "More work must be done to achieve single base resolution, however," Bashir said. "Our next step is to detect and measure ...

Researchers develop flow sensors based on hair structures of blind cavefish

... height of the cupula and the distance from the bottom of the cupula to the base of the hair," said McConney. While the researchers found that placing ... millimeters long with dried cupula that started 275 millimeters above the base of the hair and extended 275 millimeters above the hair, giving the total ...

Young dinosaurs roamed together, died together

... from the dinosaur herd were spotted by a Chinese geologist in 1978 at the base of a small hill in a desolate, windswept region of the Gobi Desert. Some ... an expansive quarry, following one skeleton after another deep into the base of the hill. In sum, more than 25 individuals were excavated from the ....

BIO-key(R) Reports Profitability for Fourth Quarter and Full Year 2008

... the company is already seeing an uptick in interest from its customer base related to new funding coming to local agencies from the U.S. Government's ... and beyond because of our world class technology, our large loyal customer base and what seems to be a growing market for security solutions." ...

Complete Genomics releases proof-of-concept data for its sequencing technology for the first time

... commercial launch in June 2009. "We were able to make high-confidence base calls for 92 percent of the genome," said Dr. Rade Drmanac, chief ... sequence data set further, Complete Genomics has sent reads (>350Gb) and base quality measures to the National Center for Biotechnology Information for ...

February 2009 Geology and GSA Today media highlights

... show, however, that if a variable-thickness chemical layer exists at the base of the mantle, consistent with seismic observations, then the coexistence ... friction value assigned to each. They find that a low-friction zone at the base of the volcanic pile is required, and lateral variations in basal friction ...

Microscopic morphology adds to the scorpion family tree

... whip scorpions, to breathe air. Scorpions were traditionally placed at the base of the phylogenetic tree, as a sister group to all other arachnids, but ... Consequently, the question of whether the book lung evolved once, at the base of the arachnid phylogenetic tree, or more than once, as arachnids adapted ...

Ancient magma 'superpiles' may have shaped the continents

... why are the piles still there?" Hot rock constantly migrates from the base of the mantle up to the crust, she explained. Hot portions of the mantle ... surroundings. "Material that is more dense is going to sink to the base of the mantle," Panero said. "It would normally spread out at that point, ...

Breast cancer genome shows evolution, instability of cancer

... is the first study to comprehensively map these genomic translocations to base pair resolution," Lee said. "I think it's pretty clear that the technology ... refined the understanding of aberrant genomic rearrangements to the base pair level of resolution, said Milosavljevic. "It was like working ...

Washington University scientists first to sequence genome of cancer patient

... The scientists then looked for genetic differences - points of single base changes in the DNA - in the patient's tumor genome compared with her ... subtype but do not directly cause the disease) by looking for single base DNA changes that altered the instructions for making proteins. Of the ...

UGA study reveals ecosystem-level consequences of frog extinctions

... decline has found that tadpoles play a key role keeping the algae at the base of the food chain productive. "Many things that live in the stream depend on algae as a base food resource," said lead author Scott Connelly, a doctoral student who ...

BIO-key(R) Issues Open Letter to Shareholders

... customers, recurring licensing revenues and an increase in our installed base of law enforcement customers -- Deepening of the relationship with ... for additional MobileCop(R) licenses. We believe that our installed base of 1,000 accounts provides us with a sound platform to leverage and sell ...
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