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Tag: "similar" at biology news

Small, self-controlled planes combine plant pathology and engineering

...soil and the ocean. It is not so farfetched that a similar drama unfolds in the atmosphere, which we already know is teeming with microbial life.” Although Schmale is not currently conducting his research for the armed forces, his work has a definite biosecurity element. “Many plant pathogens are trans...

New findings challenge established views on human genome

...event disease. Having the human genome sequence is similar to having all the pages of an instruction manual n...e to each species and of elements that perform the similar functions among species despite having sequences that appear dissimilar. Other highlights of the ...

Penn researchers link cell's protein recycling systems

...tems are trains that run on different tracks, with similar purposes, but no point of intersection,” explains senior author J. Paul Taylor, MD, PhD, Assistant Professor of Neurology. “The new finding directly challenges this thinking by showing that one system can be induced to compensate for the other. Cells...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

... intended therapeutic proteins and emitted a light similar to a firefly's glow," Akin said. Certain bacteria are naturally programmed to dissolve vesicle membranes, a critical step to delivering the cargo. The nanoparticles are referred to as "smart" because they release their cargo at precisely the right...

Herpes virus hijacks DNA repair process

...at Epstein-Barr virus, a human herpes virus, has a similar protein. Scientists found that blocking murine her...with several human herpes viruses revealed kinases similar to orf36 in the human viruses. Scientists then took a similar kinase from human Epstein-Barr virus a...

Risk of stroke doubles if diagnosed with Type 2 diabetes

...mpared to persons from the general population of a similar age, the relative risk for stroke was much greater in younger persons with diabetes than for older persons. As it has been more common to study stroke prevalence within 10 years after diagnosis, this is the first study to specifically examine st...

Exploring the dark matter of the genome

...lize transposable elements, or transposons -- DNAs similar to viruses that hop around the genome and are capa...erochromatin sequence. And we looked for sequences similar to ones already known from protein databases." These standard approaches to finding genes, Smith say...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

...such as a pig, which has a coagulation system more similar to that in humans. The advantage of our approach is that the graft could utilize the patient’s own stem cells and be ready for implantation almost immediately or, at most, after a relatively short culture period. This suggests that we could make thes...

Potent possibilities for parasite attack

...een acquired from bacterial species that have very similar sequences. "CFAS is involved in virulence and persistence in Mycobacterium, causative agent of tuberculosis, so the identification of a CFAS gene in Leishmania raises the exciting possibility that some virulence factors are conserved between bacte...

The kapok connection -- Study explains rainforest similarities

...on that African and South American rainforests are similar because the continents were connected 96 million years ago. Research by University of Michigan evolutionary ecologist Christopher Dick and colleagues shows that kapok---and perhaps other rainforest--trees colonized Africa after the continents split ...

Researchers demonstrate way to control tree height

... it’s possible to create miniature trees that look similar to normal trees – but after several years of growth may range anywhere from 50 feet tall to a few inches. This is a “proof of concept” that tree height can be readily controlled by genetic engineering techniques. It opens the door to a wide variety ...

UI anthropologist, colleagues discover remains of earliest giant panda

...odern-day giant panda skull, but anatomically very similar -- indicates that the giant panda has evolved for more than three million years as a separate lineage apart from other bears and was adapted to eating bamboo very early in its development. “Pandas are very unique bears -– the only bear species tha...

Researchers discover 'acquired' DNA key to certain bacterial infection

...mmune response. The researchers did not find a similar island of acquired genetic material in two similar bacteria, Mycobacterium tuberculosis and Mycobacterium paratuberculosis, which causes Johne’s diseas...

CU study reveals why starling females cheat

...roup if they sense their mates are too genetically similar to themselves. Mating with strangers increases the...tes, though other species of birds appear to adopt similar mating strategies. "This is the first study to show that individuals from the same population mat...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

... the newly discovered genes in Aedes may provide a similar defence mechanism that can fight the disease virus...ring the immunity genes of the Aedes mosquito with similar groups of genes in the harmless fruit fly and the Anopheles mosquito that transmits malaria. When co...

AAAS decries latest stem cell veto

...f the journal Science . The president vetoed a similar bill that passed the Senate and House of Representatives last year. This year's measure won strong bi-partisan support in the U.S. House and Senate, but fell just short of the two-thirds supermajority needed to override the veto. While Bush signe...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

...ton, Seattle, USA. “This research suggests that a similar approach may also be an effective strategy in the event of an actual pandemic outbreak, especially as it is unlikely that a vaccine fully matched to the strain will be available in the initial wave of a pandemic.” Prophylaxis with antivirals or...

New vaccine prevents CMV infection and disease in mice

...cken pox or herpes simplex – have the same or very similar sequence, structure and function whether in human or mouse viruses, and present a novel target for the host’s T-cells to muster forces and attack the virus. Secondly, the vaccine also contains a “boost” from an inactivated virus, which generates an a...

Definitive evidence found of a swimming dinosaur

...swimming style of amplified walking with movements similar to those used by modern bipeds, including aquatic birds." The question of whether dinosaurs could swim has been researched for years. Until now, however, very little hard evidence existed documenting the behavior. Several earlier discoveries were ...

'Virtual autopsy' helps identify drowning as cause of death

...machs. Autopsy results in these categories were similar to MDCT results for both study groups. "Airway froth and sediment can be demonstrated on MDCT and were specific to drowning, thereby replicating the findings seen at autopsy," said Dr. Levy. Based on this study, MDCT may provide support for th...

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