Blame our evolutionary risk of cancer on body mass
...o the telomerase expression, she should be able to spot it there. To her surprise, she found no correlation between telomerase and longevity. The great monkey wrench in that theory was the common gray squirrel, which lives an amazing two decades, yet also expresses telomerase in great quantity. Evolution ...Peering into the shadow world of RNA
...to the DNA at the new location. If their insertion spot happens to be within the coding region for a vital gene, the result can be destruction of the gene, leading to birth defects and genetic disease. Over evolutionary history, this ability of transposons to copy themselves to new locations has helped...Tearing down the fungal cell wall
...a, a destructive fungal pathogen that causes black spot disease on most cultivated Brassica crops worldwide, results in considerable leaf loss in many economically important crops including canola, cabbage and broccoli. Sensitivity to spores of Alternaria species is also clinically associated with human ...National Allium Research Conference
...s well, Yoo said, and onion thrips and iris yellow spot virus will be discussed in a special session....Finding a cure for cancer: The holy grail of science
...genome replication and division without errors. To spot errors in the genetic material cells have evolved mechanisms to slow down or block cell division (so called cell-cycle checkpoints), promote DNA repair, or eliminate damaged, hazardous cells by engaging a cellular suicide program. How cells make the ...Ice-breaker Polarstern to explore uncharted seafloor
...orm along the Antarctic Peninsula leaving a blank spot on Antarctic maps. Polarstern, the research flagship of the Alfred Wegener Institute for Polar and Marine Research, will shortly conduct there the first major biological research, studying living communities, from microbes to whales, including bottom...Selecting life: Scientists find new way to search for origin of life
...s problem. Microarrays are produced robotically to spot tens of thousands of microscopic droplets of DNA from as many genes onto a slide, enabling scientists to measure which genes are turned on. This rapidly developing technology can be used to identify, for example, the genes involved in disease. The hi...Scientists use gene therapy to improve memory and learning in animals
...ounting the number of times a rat swims across the spot where the platform was originally located. "It's a measure of their persistence," Nicholas explained. "If they know it really well, they're going to keep going over and over the platform area, as if saying to themselves, 'I know it's got to be here....Global map shows new patterns of extinction risk
...cies is different include: New Zealand is a hot spot for threatened birds because of the danger posed by introduced rats and cats. Mammals are highly threatened across eastern Africa due to hunting and the bush meat trade The tropical, rainforest-clad mountains of northern Australia are home to many ......zling goaltending, after they discovered the exact spot a goalie needs to watch to be successful. Graduate student Derek Panchuk and professor Joan Vickers, who discovered the Quiet Eye phenomenon, have just completed the most comprehensive, on-ice hockey study to determine where elite goalies focus the...Using chemistry to predict the dynamics of clotting in human blood
...a wound, but such a clotting response at the wrong spot can block blood vessels and can be life-threatening." In the past, scientists have typically examined the blood-clotting network using flasks containing homogenous mixtures-the test fluids were the same throughout. But the contents of the circulator...Listening to the sound of skin cancer
...oma cells to emit noise, and could let oncologists spot early signs of metastases -- as few as 10 cancer c... from actual patients, showing that the method can spot as few as 10 cells in saline solution. The dark, microscopic granules of melanin contained in the ca...Jumping gene could provide non-viral alternative for gene therapy
... integration, be able to insert the gene at a safe spot in the genome, that would be beneficial." He confirmed that targeting integration is possible in a paper he co-authored in 2005 also in The FASEB Journal. "We can do it in insects," says Dr. Moisyadi. "I think it's a short step to take it to a targe...Pregnant prehistoric fossil offers clues to past
...e, fondly called the Ping Pong Ichthyosaur for the spot the prehistoric creature called home for the last 25 years. Embryos found within the body of a pregnant fossil also mark the most recent record of a live birth and the physically smallest known ichthyosaur embryos. "It was pretty amazing to realiz...Warming climate may put chill on arctic polar bear population
... tourists about the increased likelihood they will spot polar bears in this region where several populations of polar bears live. According to scientists from NASA and the Canadian Wildlife Service, these increased Arctic polar bear sightings are probably related to retreating sea ice triggered by climate...New technique detects early metastasis of breast cancer
...Texas M. D. Anderson Cancer Center in Houston, can spot one malignant cell in a typical blood sample. A typical sample is 5 milliliters and contains over 2.5 x 1010 cells. As a biomarker for breast cancer metastasis, cancer cells circulating in the blood system have not been easy to detect and analyze ...Ancient raptors likely feasted on early man, study suggests
... trees, as these primates are presumably easier to spot and attack. Also, mangabey populations aren't as dense as other monkey species in the Tai rainforest. "It appears that the crowned hawk eagle specifically targets these large, relatively rare monkeys," McGraw said. "When we consider the density of t...Have you ever seen an elephant ... run?
...animal welfare improvements. By developing ways to spot slight changes in gait and joint movements in captive elephants we can catch the early onset of osteomyelitis and arthritis. If these conditions are not treated early they can result in an elephant being put down." The research also informs other ...What's nature worth? New computer models tell all
...rtrait of the ecosystem dynamics and value for any spot on earth. "Land use planners, county commissioners, investment bankers, anyone who is interested," Cosntanza said, "will be able to go on the Web, use our new models, and be able to identify a territory and start getting answers." For example, if......ta on dengue. Southeast Asia has been a dengue hot spot since the 1950s, but the researchers note that their model applies to other regions where all four dengue strains circulate. The researchers compared the data with results from mathematical models that explore both independently and collectively ...