Human chromosome 5 final sequence analysis released to public
... between chimpanzees and humans, with the greatest similarity found in genes that cause diseases when mutated. Despite similarities in the overall sequence, the human and chimpanzee chromosomes compared have some structural differences, including one large section that is flipped backwards in humans compared ...Travelers' diarrhea not improved by restricted diet
...atively normal intestinal physiology." Despite the similarity in the patients' recovery time, the bland diet recommendation might still be advisable for some, especially if they did not take antibiotics to treat the diarrhea, according to Dr. Charles Ericsson, lead author of the study and Head of Clinical Infec...Researchers find that color perception is not innate, but acquired after birth
... color matching tasks, but their judgment of color similarity was quite different from that of normal animals. Furthermore, they had severe deficits in color constancy; their color vision was very much wavelength-dominated, such that they were unable to compensate for the changes in wavelength composition. Thes...Deserts and rainforests are equally productive during drought
...ty of California, Santa Barbara that the scope and similarity of productivity in all ecosystems was seen. Their study, published in the journal Nature, represents datasets from 14 ecosystems. The RUEmax model predicts that when water is the most limiting resource there will be convergence in the production-prec...Physicists reveal first 'nanoflowers'
...nanotrees, and nanoflower because of their curious similarity to familiar organic structures such as flower-heads and tiny growing trees. Ghim Wei's work involves making new types of materials based on nanotechnology and these flowers are an example of such a new material. Here, nanometre scale wires (about one...Lupus Research Institute awards $3 million in novel research grants to further new science in lupus
...r is an uncharacterized gene product with sequence similarity to regulators of RNA processing. Confirmation of either of these candidate genes will give us the ability to predict lupus flare and will advance testing of new therapies in patients. Anne Davidson, MD, Albert Einstein College of Medicine, New Yor...Damaged genes in aging human brain provide clues to cognitive decline
... is some increased variability, but there is still similarity between individuals. In contrast, individuals in the middle age population between 40 and 70 years of age are much more variable. Some middle-aged individuals exhibit gene patterns that look more like the young group, whereas others show gene patter...Kangaroo hops in line for genome sequencing
...angaroo, enables scientists to identify regions of similarity and difference that can provide clues about the structure and function of genes vital to human health and development. The type of kangaroo chosen for sequencing is the tammar wallaby (Macropus eugenii), a relatively small member of the kangaroo fami...Scripps scientists look deep inside sharks and their high-performance swimming system
...udy, she says, reveals an "unprecedented level" of similarity between the two, including the dynamics of steady swimming and functional design of their complex locomotor systems. The researchers set out to investigate the evolutionary crossroads between lamnid sharks and tunas in regards to the mechanics and a......vation actions could be more efficient if there is similarity among taxa in the distribution of species. In a paper in Ecology Letters, May, by an international research team, patterns in the geographic distribution of five taxa were used to identify nationally important regions for conservation in Canada. Ther...Research finds lawn chemicals raise cancer risk in Scottish terriers
... lawn treatments are responsible, we also hope the similarity between human and dog genomes will allow us to fin...ence added up to make them ill." Glickman said the similarity between dog and human genomes could lead researchers to find the gene in humans that makes them susc...Researchers make major gain in understanding how prions jump species
...ation of prion-like agents in yeast. This striking similarity strongly suggests that the principle of strain adaptability described in this study is of general validity. This principle may explain some of the most puzzling observations regarding mammalian prion propagation, including that regarding different pr...Scientists question reports of massive ant supercolonies in California and Europe
...lts contradict the UCSD study, which found genetic similarity up and down the California coast. "How can they be genetically homogenous across wide, wide scales, when they're not even genetically homogenous across hundreds of meters?" asked Nicole E. Heller, a graduate student in the Gordon lab who has...Scientists compare rat genome with human, mouse
... each other by about 280 large regions of sequence similarity called "syntenic blocks" distributed in varying patterns across the organisms' chromosomes. The sequence data also confirms that the rodent lineage split 12 to 24 million years ago into the separate lines that gave rise to the rat and to the mouse....Genes predict response of adult leukemia patients to chemotherapy
...the degree of differentiation (a comparison of the similarity between cancerous cells and their normal counterparts) were also examined and appeared to be less predictive than the three-gene expression model. The results of the study may help doctors customize a T-ALL patient's treatment plan based on the indi...Dioxin-receptor network identified
...el due to its small, well-characterized genome and similarity to vertebrate systems. Because yeast have been so well studied, the researchers were able to construct a "protein interaction network," (PIN) based on previously known interactions between the proteins encoded by the 54 modifier genes. The resulting ......her organisms, researchers can identify regions of similarity and difference. This information can help scientists better understand the structure and function of genes and thereby develop new strategies to combat human disease....Purdue chemists 'put the twist' on protein building block
... Zwier also speculated that tryptamine's chemical similarity to serotonin and other mood-related substances could lead to new basic knowledge about their function in the brain. "For serotonin to bond to its receptor in the brain, it must change configuration," he said. "More precise knowledge of the energy...Marsupial among model organisms next in line for sequencing
...f other organisms allows us to identify regions of similarity and difference, providing critical clues about the structure and function of human genes," said NHGRI Director Francis S. Collins, M.D., Ph.D. "The ability to compare a wide range of genomes is the best tool currently available for understanding the ...Schering-Plough scientists identify protein essential for cholesterol absorption from intestine
...-Like 1 (NPC1L1) gene, whose name derives from its similarity to another gene that is mutated in individuals with the rare disorder Niemann-Pick disease. NPC1L1 has no role in Niemann-Pick disease. Linking NPC1L1 to cholesterol absorption Schering-Plough molecular biologists led by Scott Altmann, Ph.D., asso...