The new biology of rocks: 'Are there medical implications of geomicrobiology?'
...ed examples of the ability of microbes to exist in seemingly harsh and hostile environments, and bacteria normally not associated with disease have turned deadly under unexpected conditions, she said. Just last month, scientists reported in the journal Science the discovery of bacteria and fungi deep below the...Battle of the sexes leads to a biological arms race
... and females rapidly move jointly up and down this seemingly endless coevolutionary spiral. The new research not only confirms that sexual conflict can shape males and females, but also indicates that such conflicts can promote the formation generation of new species....Battle of the sexes leads to evolutionary arms race
...e and female animals as they move up and down this seemingly endless co-evolutionary spiral. The new research not only confirms that sexual conflict can shape males and females - in the case of water striders, males evolved grasping hooks while females developed spines - but also indicates that such conflicts ...Ciliary proteins and polycystic kidneys
...cilia in the development of these tissues and in a seemingly unrelated matter, the genesis of a left-right axis during embryogenesis. Several ciliary proteins, including one of the dynein-class motor proteins and polaris, a protein found in the basal body and the ciliary axoneme, are affected by these mutation...Keck Foundation awards $750,000 grant to Northeastern University to fund 3D fusion microscope
...undersea and inside the body. Expertise from these seemingly different fields will be brought to bear on images from the microscope, and these fields will benefit from the knowledge gained with the microscope. As an example, one of the key technologies of the microscope is derived from the field of remote sens...The influence of disturbance on tropical rain forest biodiversity: End of a controversy in sight
...predators or disease, and so on. These massive and seemingly random losses within young populations would effectively cancel out most of any niche effect, in other words the connection between a given species and particular environmental conditions, the basis of the intermediate disturbance hypothesis.The find...New book distills essence of gene regulation (and more)
...In this way, the authors show that a wide range of seemingly diverse phenomena can in fact be explained by variations on the theme of regulated recruitment. The roles of adhesive molecular surfaces, cooperativity, and allostery in regulated recruitment are all examined in Genes & Signals, as are the contributi...Early detection device for exposure to chemical warfare agents being developed
...re foreign to many Americans pre-Sept. 11 are the seemingly innocent contractions of small groups of muscles, like an eye twitch, the researchers says. They are pooling their knowledge about central nervous system toxins and the electromyogram, or EMG, that records the electrical activity of muscles, to devel...Early critters in microbial mats: Evolution or just a strange environment?
...lly ate up the mats. Many Cambrian animals have a seemingly strange morphology, and have been thought by many to represent early evolutionary experiments. Among these are the helicoplacoidsthe earliest known echinoderms and ancestors of modern animals like the starfish. Shaped like a football, a helicoplacoid...U. of Colorado biology professor wins 2001 MacArthur Fellowship
...k all organisms and to enrich our awareness of the seemingly boundless, sometimes quite improbable, ecological niches that living things occupy on Earth," concluded the committee. Pace is a member of the National Academy of Sciences and the American Academy of Arts and Sciences. In January he received the 200...Typhoid fever bug sequence raises hope of complete eradication
...f code very similar to working genes but which are seemingly functionless. This indicates that the bacterium is likely to be restricted to survival in just one species of host - humankind. "We now know that typhoid emerged only once in human history, at some time in the last 20,000 years, most likely during ea...Plant scientists work to protect U.S. from foreign diseases
...reverse is true as well, he adds, with diseases of seemingly small impact sometimes surfacing to cause great damage. According to Madden, a more accurate assessment of a diseases possible threat often arises when a greater number of people can be involved in the discussion. With that in mind, APS has recentl...Novel means for stopping transcription found, Hopkins scientists report
...ast genes, to find a unifying thread. All of these seemingly increased genes were right next to genes for a certain class of RNA molecules, called snoRNAs. Instead of coding for proteins themselves, these RNA molecules guide enzymes to modify other RNAs. "We realized we were not looking at these genes incr...Rice center to study therapeutic and environmental imapct of nanotechnology
...y. To achieve its goal, the center will focus on a seemingly mundane element: water. Researchers at the new Center for Biological and Environmental Nanotechnology will use their knowledge of how nanometer-sized materials interact with waterthe most abundant solvent on the planet and the medium of all lifeto d...DNA vaccination places tumors in double jeopardy
...ce exposed subdermally to this DNA construct enjoy seemingly complete resistance to tumor cells that express the viral antigen. Conversely, a simple mixture of the viral sequence and the calreticulin sequence has minimal effect, suggesting that calreticulin-mediated immune antigen presentation is crucial. Mice......searcherShiv Grewal and his colleagues report that seemingly small differences between two varieties of histone have dramatic effects on chromosome structure and gene expression. They found that "silent" regions of chromosomeswhere genes are kept "off" and DNA resists genetic recombinationcontain one variety o...UCSD biologists identify genetic mechanism conferring resistance to 'Bt toxins'
...t bind to Bt toxins. This study may explain those seemingly contradictory results. These proteins, which may look very different structurally, may have the same binding motif because of carbohydrate modification." The discovery of this motif, or mechanism of action, in C. elegans demonstrates the many...Arctic ecosystems being nibbled away
... Artic, we need to be wary of relatively small and seemingly insignificant disturbances. Some of the most prod...hould also be given to the less visible effects of seemingly benign recreational activities that inevitably accompany tourism development." Forbes' co-authors a...New study shows normal-looking clones may be abnormal
...ts have found the first evidence to show that even seemingly normal-looking clones may harbor serious abnormalities affecting gene expression that may not manifest themselves as outward characteristics. The findings, reported in the July 6 issue of Science by researchers at the Whitehead Institute for Biomedi...DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find
...y salamanders and frogs, is turning up new species seemingly under every log. Even in areas that supposedly have been combed thoroughly - Yosemite and Sequoia National Parks in California - Wake and his colleagues are finding new species as part of a survey commissioned by the National Park Service. Wake and h...