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Tag: "distinctive" at biology news

Exploring the dark matter of the genome

...paring numerous copies with unique or sufficiently distinctive sequences. The assembly was checked by matching it to clones of longer sequences. With the painstaking manual assembly taken as far as practical, the researchers mapped the sequences to their physical locations on the chromosomes. The sequence and ma...

NASA-funded robotic sub finds bottom of world's deepest sinkhole

... features, but cenote walls, while irregular, lack distinctive features. To overcome this challenge, DEPTHX had to navigate by recognizing a more global response from all of its sensors. Wettergreen said demonstrating that SLAM could work in such a featureless environment suggests that it will have applicatio...

Cloning the smell of the seaside

...t we were misled, twice over. Firstly because that distinctive smell is not ozone, it is dimethyl sulphide. And secondly, because inhaling it is not necessarily good for you." DMS is a little known but important gas. Across the world's oceans, seas and coasts, tens of millions of tonnes of it are released by ...

Gene found for rare disorder may reveal new pathway in mental retardation

...efects, feeding problems, deformed upper limbs and distinctive facial features. In the current study, mutation...MCIA and SMC3 mutations had milder versions of the distinctive facial features found in classical CdLS, such as thin eyebrows that join together, long eyelashes, t...

Selectivity is ultimate aphrodisiac

...ships and friendships, the present study reveals a distinctive anti-reciprocity effect if this need is not satisfied in initial encounters with potential romantic partners." ...

Loss of a universal tRNA feature reported

...eir cognate or related substrates and the now less distinctive tRNAHis." ...

Trusting your instincts leads you to the right answer

...ng technique that allows us to pick out unique and distinctive features in a crowd ?such as colour or orientation... really is the target or not. If the target is not distinctive enough in the 'eyes' of the conscious, failure of identification can occur." ...

A case of mistaken identity for the ivory-billed woodpecker?

...cker's. He suggests that the Pileated Woodpecker's distinctive black trailing wing edges can be spotted in the Luneau video as the wings stroke downwards. Previous analysis suggested these were the black wingtips of the Ivory-billed Woodpecker. Collinson argues that the Ivory-billed Woodpecker's rediscovery r...

UF scientists discover new genus of frogmouth bird in Solomon Islands

...egin with. "That this should prove to be such a distinctive new genus, which it unquestionably is, has profound biogeographical implications and represents a real breakthrough in elucidating the evolutionary history of the family," Olson said. ...

Scientists discover new species of distinctive cloud-forest rodent

...of fur on the crown, nape and shoulders add to its distinctive appearance. Isothrix barbarabrownae, as the new species has been named, is described in the current issue of Mastozoología Neotropical (Neotropical mammalogy), the principal mammalogy journal of South America. A color illustration of the bushy rod...

Satellites shed light on global warming

...r forecasts. "There is now evidence there is a distinctive upward trend in global sea surface temperatures, and this we can now see from measurements made from Envisat," Professor Llewellyn-Jones said. Working like thermometers in the sky, a number of different satellite instruments measure SST on an ong...

Unique tomatoes tops in disease-fighting antioxidants

...ds, which give certain fruits and vegetables their distinctive colors. Carotenoids are thought to have a number of health benefits, such as reducing the risk of developing cancer, cardiovascular disease and macular degeneration. "The tomato is a wonderful biosynthetic factory for carotenoids, and scientists a...

T-ray breakthrough could make detecting disease far easier

...ed out more easily, as many complex molecules have distinctive signatures in this part of the electromagnetic spectrum. T-ray applications are presently limited by the relatively poor ability to focus the rays, which is achieved using the conventional means of lenses and mirrors to focus the radiation. This ...

Interaction between lymph and liver cells may affect immune response

...to stimulate immune tolerance, possibly due to its distinctive architecture that allows T cells normally activated in the lymph system to become activated by liver cells. Normally, endothelial cells that line blood vessels form a physical barrier that prevents naïve (unactivated) T cells from accessing surroundi...

Scientists crack rhino horn riddle

...f the mystique by explaining how the horn gets its distinctive curve and sharply pointed tip. Scientists have di...orn weakens with sun exposure and is worn into its distinctive shape through horn clashing and by being rubbed on the ground and vegetation. The structure of the r...

Comprehensive model is first to map protein folding at atomic level

...inities that drive the contorting of proteins into distinctive three-dimensional shapes within the watery confines of a cell. The split-second folding of gangly protein chains into tight three-dimensional shapes has broad implications for the growing number of disorders believed to result from misfolded proteins...

New dwarf buffalo discovered by chance in the Philippines

...ppine island of Cebu, where it was found. Its most distinctive feature is its small size. While large domestic water buffalo stand six feet at the shoulder and can weigh up to 2,000 pounds, B. cebuensis would have stood only two-and-one-half feet and weighed about 350 pounds. B. cebuensis, which evolved fro...

Researchers make progress in studying genetic traits of India-born populations

... that the frequencies of many genetic variants are distinctive in India compared to other parts of the world. "We were struck both by the low level of diversity amongst people spanning such a large geographical region, and by the fact that people of the Indian sub-continent constituted a distinct group when ...

International team analyzes human genetic variation in key immune region

...in the MHC, called "HLA genes." These genes form a distinctive fingerprint that is recognized by an individual's immune system to distinguish foreign tissues from "self" tissues and the genes' DNA sequences are frequently analyzed (a process called "HLA typing") in patients who receive organ transplants or suffe...

Scientists use gene signatures to match cancer and other diseases with potentially effective drugs

...atments using a universal language based on cells' distinctive gene activity profiles, or "signatures." A set ... said. The strategy allows scientists to capture distinctive gene signatures of cancer and other disease cells and compare them with signatures of cells that hav...

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