Exploring the sights and sounds of a deepwater coral marine protected area off Florida
...m, makes it a potentially important source of fish larvae for the entire southeast U.S. continental shelf. Shrimp, the most valuable fishery species for the southeast U.S., are also plentiful on the Oculina Banks and are the target of trawl fishing there, which can destroy the live coral mounds. Undersea e...Natural selection's fingerprint identified on fruit fly evolution
...lies, that something was the proclivity for hybrid larvae to die before maturing into adults. He found his gene, called Nup 96, that always prevented a hybrid of the two species from living to reproduce, and he sequenced its DNA. "We're seeing a gene responsible for speciation at the maximum possible resolu...The mechanical switch in the ear
...and thus its activity caused deafness in zebrafish larvae (3-4 days old). Electrical recordings from zebrafish sensory hair cells demonstrated that NompC is required for transduction of a mechanical stimulus. Thus, NompC is used both by lower animals such as fruit flies and vertebrates such as fish for sens...Science Picksleads, feeds and story seeds (July 2003)
...months - this year, from May through August, coral larvae are on the move off Maui. Corals are small colon...l spawn, but no one knows where the floating coral larvae go. So from June 29 to July 5, scientists from the U.S. Geological Survey, the University of Washin...Amphibians' life stages influence contaminant transfer from aquatic to terrestrial environments
...quatic to terrestrial environments. Using bullfrog larvae from a coal combustion waste-settling basin, the scientists investigated the effects of both developmental stage and the timing of metamorphosis on the concentrations of a series of trace elements in bullfrog tissues. Four stages in all were examined...Science picks: Leads, feeds and story seeds for August 2003
... spawn, but do not know how and where the floating larvae are dispersed prior to their settling on hard sections of the seafloor. Results of the study will provide resource managers with information on how to best protect this unique and economically valuable Hawaiian coastal environment. Coral reefs are st...WSU ecologist says defense by plants to disease may leave them vulnerable to insect attack
... species Arabidopsis thaliana to the beet armyworm larvae (Spodoptera exigua). Salicylate is chemically similar to the aspirin that humans take, and it functions in nature to heighten plant defenses to pathogens, or disease-causing microbes. When applied to plants, salicylate can interfere with the inductio...... rhigedana's cercariae (second larval stage). The larvae encyst up to 100 percent of the local snail and cr...increase in the larvae's swim speeds, bringing the larvae to the bottom faster." When the researchers looked at the same variables in slow-moving water condit...Young sea animals clone themselvescentury-old debate halted
...y of intensive study, scientists have assumed that larvae of non-parasitic invertebrates reproduce only very...d that asexual cloning by some marine invertebrate larvae is not as rare and enigmatic a phenomenon as previously assumed. "A wealth of knowledge of how embry...Fly bites plant, but plants can bite back, Purdue scientists find
...ves. After the eggs hatch, the resulting tiny, red larvae crawl down to the base of the wheat where they fee...t. If the plant isn't resistant to the insect, the larvae inject chemicals from their saliva into the plant that completely alter the wheat's physiology and g...Soldier or worker what do the genes say?
... paves the way for investigations into how termite larvae can develop into workers, soldiers or reproductive adults depending on the colony's needs. The eastern subterranean termite, Reticulitermes flavipes, exists in colonies, whose members share work and resources among themselves. Different castes of te...Cow's resistance to worms is genetically determined
... Three-month-old calves were infected with 100,000 larvae of a small-intestinal worm. After the infection an...the worms from the small intestine. Cattle pick up larvae from the grass, which develop into adult worms in the cattle's gastrointestinal system. The worms re...Startling deep-sea encounter with rare, massive Greenland shark
...mmercial fish catch declines by out-competing fish larvae for certain foods and by filling and fouling fish nets. He and submersible pilot Tim Askew, Jr. were startled by the huge shark's appearance and feared at first that it might damage the submersible or its scientific sampling equipment, though no harm...Genetic differences in termite castes may lead to better control
...earning the molecular processes that cause termite larvae to grow into workers, soldiers or reproductive adu...rom the original colony to form a new one. Termite larvae can become a member of any of three castes - soldiers, workers and the nymphs that develop into alat...LabNotes -- Research highlights from Pacific Northwest National Laboratory
...bind to protein-precursor RNA from ground-up midge larvae to yield a pattern specific to the pollutant -- heavy metal, radionuclide, hormone analogue or pesticide -- to which the midges were exposed. Balancing the water and growth equation Nationwide, municipalities struggle to maintain the balance betwee...Red sea urchins found to live up to 200 years
...e while they float in the ocean," Ebert said. "The larvae then feed for a month or more before turning into tiny sea urchins." The red sea urchin, in fact, does grow fairly quickly when it's young at the age of two years, it can grow from two centimeters to four centimeters in one year, doubling its size....'Evo-devo' biology tackles evolutionary history's unanswered questions
..., the Cambrian radiation and the origins of animal larvae can now be addressed using evo-devo's mechanistic tools. Last month, the National Academy of Sciences chose Raff as the winner of its 2003 Elliott Medal for his role in founding evo-devo. Raff and IUB colleagues Loren Rieseberg, Thomas Kaufman, Micha...UC Santa Barbara donates discovery to OneWorld Health that may speed disease treatment
... After exiting from the snail vector, schistosome larvae swim along until they contact a human host bathing or working in the water. They penetrate the skin and subsequently migrate through the blood vessels until finally establishing residence in veins of the intestines or urinary bladder. The adult mal...UCSB discovery may accelerate new treatment for global health problem
... After exiting from the snail vector, schistosome larvae swim along until they contact a human host bathing or working in the water. They penetrate the skin and subsequently migrate through the blood vessels until finally establishing residence in veins of the intestines or urinary bladder. The adult mal...