Analysis of flower genes reveals the fate of an ancient gene duplication
... neighboring gene sequences, both in terms of gene identity and the order such sequences appear within the chromosome. This kind of preserved gene order is known as genome synteny. In the new work, researchers have used synteny to clarify the evolution of genes essential for the development of floral reproduc...Allergy-busting worms, cold water corals and the science of Irishness
...-swapping in cyber suburbia the problem of stolen identity and the internet...UCLA researchers identify key enzyme linked to childhood blindness
...is, is also a key enzyme in the visual cycle. The identity of this enzyme has long been a mystery to scientis...results settle the long standing mystery about the identity of the retinoid isomerase," Travis said. "Scientists have been searching for this enzyme for almost ...Genetically modified maize not found in southern Mexico
...ages in the region. In a country whose culture and identity revolve heavily around maize, or corn the crop was first developed here thousands of years ago the thought of importing GM varieties that could contaminate native plants frightens many citizens. "The genetic diversity of native maize is an importan...A step toward the $1,000 personal genome using readily available lab equipment
... shines with one of the four colors, revealing the identity of the base. Recording the color data from multiple passes over the same sequences, a camera documents the results and routes them to computers that reinterpret the data as a linear sequence of base pairs. In their study, the researchers matched the ...Researchers pinpoint genes that drive spread of breast cancer to lungs
...metastasis, but they do not necessarily reveal the identity of specific genes that drive the metastatic process, he said. In earlier studies in mice, Massagu and his colleagues pioneered a novel approach that led to the identification of a "toolbox" of genes active in metastatic breast cancer cells that help ...JCI table of contents August 1, 2005
...process has been appreciated for many decades, the identity of the oxygen sensor and the mechanism of vasodilation remain uncertain. In a study appearing online on July 21 in advance of print publication of the August 1 issue of the Journal of Clinical Investigation, Mark Gladwin and colleagues from the Nat...Brain size may depend upon how neural cells are cleaved
...7 does control the orientation of cleavage and the identity of the daughter cells -- whether they will become neurons or progenitor cells. Sanada and Tsai also sought to determine how Gβγ is regulated. Studies on asymmetric cell division in fruit flies and roundworms had implicated a particular class...Essential genes for embryogenesis uncovered in major mouse mutagenesis project
...w in the powerful position of knowing the sequence identity of most genes, their locations in the genome, their expression patterns, and which proteins interact with one another," explains Schimenti. "However, identifying the functions of these genes is a much more difficult challenge. For most genes, direc...UCLA scientists reveal how Nipah virus infects cells
... as old-fashioned detective work to track down the identity of the Ephrin-B2 receptor. The researchers created a bait: they stitched the Nipah protein to part of a human antibody, like a worm on a fishing hook. When they placed this bait on cells at risk for Nipah infection, the antibody attached to a rece...Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale
...osaur teeth," but it also throws into question the identity of other presumed dinosaur ancestors known only from teeth, which includes all Late Triassic ornithischians outside South America. "Because the teeth look like those we know from herbivorous ornithischians, people assigned them to the dinosaurs," sai...'Punctuated' evolution in the human genome
...om 4-77 Kb in length and exhibited 94-99% sequence identity to their euchromatic predecessors. The scientists then performed a comparative analysis of these duplicons in other primate species, including chimpanzee, gorilla, orangutan, baboon, and macaque. This analysis revealed that the duplicative transposi...500 million years of errors: Brachiopod shells record shadow of arms race in ancient oceans
...ws they were, most likely, the victims of mistaken identity or opportunistic attack when preferred menu items were absent," said Kowalewski. "There was a modest increase in frequency of drill holes in middle-to-late Paleozoic times and then another increase sometime after the end of the Paleozoic Era," he sai......sing a cell-sorting technique, they determined the identity of each miRNA by its bead color and the abundance of each by the intensity of the stain on each bead. Using the new techniques, the researchers discovered that they could distinguish a diverse range of human cancer cells from one another on the basis...Researchers get first peek at amyloid's spine
...r side chains that give each amino acid its unique identity and hold the pairs of beta sheets in formation. Nelson expected to see only the ends of the side chains reaching out and touching each other, they way they do in the DNA double helix. Instead, she found interdigitated connections akin to zippers and...Studies reveal how cells sense oxygen
...lp to resolve a long-standing controversy over the identity of mammalian oxygen sensors, according to the rese... oxygen have been studied extensively, the precise identity of mammalian oxygen sensors remains controversial. The current studies address the controversy about...From sound analysis to nicotine addiction
...polis as a way of life. Urban structures and civil identity between tradition and change". The researchers involved in this Priority Programme have set out to take a fresh look at the rather stayed view of the heyday and demise of the classical Athenian polis and to revise the prevailing stereotypes. Using a ...Brain networks change according to cognitive task
...volved in the task. "The existence and the identity of convergence zones --areas in which information from multiple sources meets in the brain -- have been debated since they were proposed in the late 20th century," said Bitan. "Now, with new techniques to analyze brain imaging data, we can examine t...Researchers find first gene for inherited testicular cancer in mice
... than 30 years ago, it has taken until now for the identity of the gene itself to be discovered. These results...build proteins. "For the first time, we know the identity of one of the genes that controls inherited susceptibility. This gene and other functionally related...Quantifying network vulnerability, and the best way to find hidden items
...rk members. But, as you might imagine, knowing the identity of a few powerful mob Dons or critical network servers can make taking down a network much easier. Researchers at the University of Thessaloniki (Greece), Bar-Ilan University (Israel), and Justus-Liebig-Universitat Giessen (Germany) have quantified j...