High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
...e feedstock would likely be different in different geographic locations, depending on what was readily available," Eckert noted. "In the Southeast, we have abundant forest resources. In the West, sources would include sawgrass, corn stovers and similar plant materials. In the United Kingdom, there is strong i...Don't care for broccoli? A receptor gene's variation suggests an evolutionary excuse
...e is necessary for proper thyroid function, and in geographic regions where inorganic iodine levels are low, endemic goiter (enlarged thyroid) can arise in response to the need to maintain levels of thyroid hormone. In such circumstances, thyroid toxins such as glucosinolates can exacerbate problems with thyroi...Red is for hummingbirds, yellow for moths
...xpansion of the red-flowered form." "The striking geographic pattern of flower color--where we never see a red-flowered plant in the east or a yellow-flowered plant along the coast--speaks wonders of the power of natural selection to maintain these differences," said Streisfeld....Common garden plant threatened by climate change
...on and Culham identified distinct climatic niches geographic areas with the ideal climate - for different species of Cyclamen. Most Cyclamen species thrive in a typical Mediterranean climate, with hot, dry summers and cool, wet winters, but many are found in areas with much harsher climatic conditions. Yesson ...International team analyzes human genetic variation in key immune region
...sequence in more than 350 individuals from diverse geographic regions, including Africa, Europe, China and Japan. Specifically, the researchers "read" ~7,500 single-letter changes in the genetic code called single nucleotide polymorphisms (SNPs) together with short segments of DNA sequence from a set of highly ...Report challenges common ecological hypothesis about species abundance
...pecies are most abundant near the centers of their geographic ranges and decline in abundance near the ranges' e...and high abundance sometimes occurred right at the geographic edges of the species' ranges, they found. "Ecologists need to go back into the field and sample pop...Evolutionary first: Parasite reaches beyond host to play havoc with others' sex lives
...Gibas worked their way through Canada, a region of geographic overlap between the two species emerged. But he wasn't expecting what came next. The mating behavior of females of the uninfected species in overlap zone had changed dramatically. The flies were put into large glass boxes where hundreds of both speci...Study suggests evolutionary link between diet, brain size in orangutans
...f low energy intake in one part of the orangutan's geographic range selected for a reduction in brain size," the researchers said. Similar evolutionary pressures within resource-poor environments also may explain the smaller-than-normal brain size of a controversial 18,000-year-old skull recently found on the ...Pulmonary hypertension discriminates by race, gender
...hs, as a result of IPAH, were aggregated into nine geographic regions of the United States, as defined by the Census Bureau. Average, annual, age-adjusted, region-race-gender-specific rates were then calculated. According to the United States National Center for Health Statistics, a total of 10,053 IPAH-relate...New study warns against linking ethnic identity to breast cancer genes
...and massacres in Jewish history--the equivalent of geographic isolation." The study noted that a number of recent genetic surveys--including among Spanish, German, Dutch, Polish and Hispanic women--have shown a high presence of the so-called "ancestral Jewish mutations" in non-Ashkenazi and non-Jewish groups...Museum-fueled global study shows you can't judge biodiversity by its bird
...ed is that contrary to popular belief, pinpointing geographic areas in which species of birds are rare or endang...ce conservation efforts often are focused on small geographic areas and efforts may be misguided. The specimens in Rasmussen's database are in museum collections,...Research linking Ashkenazi Jews and breast cancer genes beset by problems
...and massacres in Jewish history--the equivalent of geographic isolation." The study noted that a number of recent genetic surveys--including among Spanish, German, Dutch, Polish and Hispanic women--have shown a high presence of the so-called "ancestral Jewish mutations" in non-Ashkenazi and non-Jewish groups....USGS at Society of Environmental Toxicology and Chemistry
...kely transitory and confined to a relatively small geographic region. For more information, contact W. T. Foreman at wforeman@usgs.gov or 303-236-3942. SETAC presentation is on Thursday, Nov. 9, 10:40 a.m., Room 516C, Palais de Congrs. Rocky Mountain High -- Mercury in Cold Environments of the Western Unite...Hundreds of thousands of viral species present in the world's oceans
...the sampling sites and found a correlation between geographic distance and genetic distance of viral species, supporting the idea that the marine virome varies from region to region. They also investigated how similar the viromes from each location were--in fact, the differences were mostly explained by variati...Neanderthal genome sequencing yields surprising results and opens a new door to future studies
...ity, and that the two species cohabitated the same geographic region for thousands of years, there is no evidence of any significant crossbreeding between the two. Based on these early results, Homo sapiens and Homo neanderthalensis last shared a common ancestor approximately 700,000 years ago In a paper pub...Measuring plant diversity, predicting vulnerability to invasive species
...ds described in the new book can be applied to any geographic area to generate a more complete and accurate picture of the patterns of native plant diversity and invasion vulnerability. Natural resource managers are working to understand the dynamics and interactions of rare and common plant species and habi...New research predicts US entry of H5N1 avian influenza
...s is extremely fast, and both the evolutionary and geographic pathways of the virus can be traced from the phylogeny over just the past three or four years." The findings showed that migratory bird movements were likely responsible for three introductions in Asia, 20 in Europe, and three in Africa. Dr David Gi...American scientist's research of life's first cells
...ize winner and may present regional awards in four geographic regions: North America, Europe, Japan and all other countries. These regional winners receive $5,000 awards. In addition to the grand prize, the 2006 awards also recognize the following regional winners: Dianne Schwarz (North America): For her essa...Genetic map offers new tool for malaria research
...an 50 different P. falciparum samples from diverse geographic locations. This includes the complete genome sequencing of two well-studied samples as well as extensive DNA analyses of 16 additional isolates. The work is one of three large-scale studies of the parasite's DNA that appear together in Nature Genetic...Study questions the 'biodiversity hotspot' approach to wildlife conservation
...rmine priority areas for conservation at different geographic scales and in recommending concentrating resources in those regions to maximize the number of protected species." Hotspot criteria Hotspot biodiversity is usually based on one of three factors-the number of total species (species richness), the n...