Giant pandas have plenty of genetic diversity
...ogists estimate that the remaining giant pandasare divided into about 25 populations with fewer than 20individuals each. Because small, isolated populations aremore likely to die out, this increases the risk that the specieswill become extinc. Lu, O'Brien and their colleagues analyzed thegenetic variation in......annot use the gene itself directly. Each gene is divided into coding and non-coding sequences. The plant transcribes the gene into ribonucleic acid (RNA), with sections called introns making up the non-coding sequences and exons making up the coding sections. Then the cells remove the non-coding areas, lea...Animal study finds embryonic stem cells can repair heart muscle
...point, he explains that CHF patients are typically divided into four classes of severity, with "one" meaning no symptoms except under extremely strenuous conditions and "four" being out of breath just crossing a room. "If this procedure had been performed in human patients, I would expect the improvement wou...Discovery overturns long-held genetic belief
...d colleagues determined that Chromosome 4 could be divided into three discrete domains: a proximal region (near the centromere, and including the cubitus interruptus gene) with no variation, the central region around sphinx (nearly 20 percent of the chromosome) with normal levels of variation, and a region f...Research may lead to jump-starting damaged nerve cells
...e electrical impulses shortly after the cells have divided for the last time after they are born. But these impulses are extremely generic, and not necessarily specialized for the kind of information the cell is going to eventually process, Dryer says. Initially, the cells are becoming connected, like the i...Chemical evidence proves the old adage, Birds of a feather flock together
...Puerto Rico, Jamaica, Cuba and Hispanola, which is divided between Haiti and the Dominican Republic. The results, say the authors, were striking: Isotopic ratios in feathers collected in the Caribbean decreased from Puerto Rico in the east to Cuba in the west, indicating that more birds from the northern por...High tech movies reveal information transfer within cells
Like houses are divided into rooms, cells are divided into compartments, each with their own functions and bounded by their own membrane walls. These cel...Mating molds provide new insights into speciation and human reproduction
...ionary implications. Animals, plants and fungi are divided into species based, in part, on their ability or inability to interbreed. Redwoods and Douglas firs have some physical similarities, but it`s unlikely that they will be able to mate to give hybrids, especially fertile ones. Clearly, they are differen...Prenatal alcohol exposure affects visual processing
... an average age of 15 years. The adolescents were divided into four groups: 53 controls who were not prenatally exposed to alcohol; 46 alcohol-exposed adolescents who showed physical effects of this exposure (dysmorphic); 82 alcohol-exposed adolescents who did not show physical effects of their exposure; an...Study boosts suspected link between mothers gum disease and both premature birth, low birth weight
...han 850 women before and after they gave birth and divided the women into groups representing healthy gums, mild disease and moderate-to-severe disease. They then adjusted for risk factors affecting birth timing and weight such as age, race, food stamp eligibility, marital status, previous pre-term births, ...Years of research, thought lead geologist to propose new supercontinent Columbia
...nd area later split up several times, reformed and divided again to begin shaping Earths current continents. The primeval supercontinent, which Professor John J.W. Rogers named Columbia, existed more than 1.5 billion years ago and is older than any of several giant landmasses previously proposed. I named th...Stanford sleep experts treat medical condition behind violent 'sleep sex'
...the events the next morning. Guilleminault divided the patients into three groups depending on the severity of their behavior. Those whose disturbances were simply annoying included two women who made sexual moaning sounds during the night. Though relatively harmless, one woman felt embarrassed and g...Social insects could offer clues about genetic conflict
...utionary theory predicts individuals with a deeply divided self: maternal and paternal genes should battle over sex ratios, kin recognition, who should be the queen, and who should lay eggs. "We dont yet know if bees, ants or wasps have imprinted genes, let alone what the imprinted genes do, but this presen...Scientists push back primate origins from 65 million to 85 million years ago
...ate species. Applying the new approach to the data divided into stratigraphic intervals indicated that there ...ancestor of all primates Existing primates can be divided into six subgroups: lemurs, lorises, tarsiers, New World monkeys, Old World monkeys, and apes and hu...A pilot study may offer promise of a marker for ovarian cancer
...by atrial myocytes as a 126 aminoacid molecule and divided into different fragments, namely proANP(1-30) (NtA...atively. Following centrifugation the samples were divided into equal parts and stored at 70 degrees C until tested. The extraction of ANP and proANP-(1-30) fr...Obesity may exacerbate a heart disorder in African American females
...rences. BMI was calculated as weight in kilograms divided by height in meters squared. Waist to hip ratio (WHR) was calculated as waist circumference (cm) divided by hip circumference (cm). QT interval was measured from the earliest onset of the QRS complex to t...Genistein-containing supplements may stop tamoxifen
...na-Champaign. In a pre-clinical study, researchers divided 66 mice, with their ovaries removed, into six groups to monitor the effects of estrogen and various amounts of tamoxifen and genistein, an estrogen-like component found in legume plants. Estrogen and tamoxifen implants were put into the mice, and es...Astrocytes play starring role in neural stem cell development
...o neurons. "We found that stem cells grown on glia divided about twice as fast as they did when grown on fibroblasts," said Stevens. "Glia make a good environment to instruct them to divide. "But the big surprise was that the stem cells were adopting a neuronal fate at about six times the rate they were on ...Study: Higher energy intake, obesity affects all age groups, not just youths
...of Food Intake by Individuals. She and her mentors divided the overall sample of 63,380 people into four groups depending on their ages 2- to 18 years old, 19-39, 40-59 and 60 and above. We looked at all kinds of foods including desserts, salty snacks, candy, french fries, hamburgers, pizza, low and medium...Older adults can exercise just once a week to maintain muscle strength
...re resistance trained three days per week and then divided into two groups of five. Six months later, the five who had returned to a free-living lifestyle with no regular physical activity after their training had a significant decline in thigh muscle strength and size. The five who did resistance training o...