Unlocking the key to human fertility
... enables fertilisation and may even explain how a species develops its own unique genetic identity. Dr ... is sterile, but it also explains how different species evolve and retain their own identity. Says Dr ... successful. Where the locks and keys of two species do not match, however similar their DNA is, no ...Is obesity an oral bacterial disease?
... difference of seven of the 40 bacterial species measured was greater than 2 percent in the saliva ... identified by the presence of a single bacterial species (Selenomonas noxia) at levels greater than 1.05 ... women. It seems likely that these bacterial species could serve as biological indicators of a ...Discovery in amber reveals ancient biology of termites
... one type of symbiotic relationship in which two species help each other. "Termites live on cellulose, ... and serve as food for many predators. As a social species similar to ants, some colonies can have 20 ... stages and generations. But by the different species each specializing at what they do best the ...'Autoantibodies' may be created in response to bacterial DNA
... ACE has been shown to be affected by the common species Lactobacillus and Bifidobacteria. Found in yogurt, these species are often considered to be innocuous or "friendly." "No one would argue that these species aren't present in the human body, yet there has ...How new species evolve is focus of public lecture at UC Riverside
... RIVERSIDE, Calif. What is a species and how does speciation the evolutionary process that results in the formation of new species come about? How have Charles Darwin's ideas ... of biology at UCR. "I will introduce concepts of species and speciation that came before Darwin, show how ...Spiders, frogs and gecko among exciting discoveries found in Papua New Guinea
... frog and an elegant striped gecko are among 56 species believed new to science discovered during a ... were announced today following analysis of the species that were found in July and August of 2008 during ... members of local communities. More than 600 species were documented during the expedition. Of those, ...MIT research could help predict red tide
... produce half the world's oxygen. Many species can swim, but this fact is often neglected by ... morphologies and swimming abilities, one species may be able to swim through a layer of shear that will capture another. This means that each species could be trapped in a different level of shear, ...Ten new amphibian species discovered in Colombia
... skin can reveal internal organs. The species were discovered during a recent Rapid Assessment ... weeks, the scientists identified approximately 60 species of amphibians, 20 reptiles and almost 120 species of birds, many of them apparently found no where ...NC State researchers find new bartonella species that infects humans
... Prevention have produced the first link between a species of bacteria most commonly found in sheep and ... a rapid expansion in the number of Bartonella species that are documented human pathogens," ... it looks as though we may be able to add another species to that list." "A small number of Bartonella ...Researchers identify new leprosy bacterium
... HOUSTON - A new species of bacterium that causes leprosy has been ... had been thought to be caused by a single species of bacterium, said lead author Xiang-Yang Han, ... Cancer Center. "We have identified a second species of leprosy mycobacterium, and in identifying this ...New Type of Ebola Virus Discovered
... in Uganda genetically distinct from other known species FRIDAY, Nov. 21 (HealthDay News) -- A new species of the deadly Ebola virus has been identified by ... and immediate confirmation that this was a new species of Ebola virus. Current efforts to develop ...Women's Hands Home to More Types of Germs
... each hand was home to about 150 different species of bacteria. Overall, more than 4,700 bacterial species were identified on all hands, only five of which ... volunteers shared just 13 percent of bacteria species with each other, probably due to "environmental" ...Scientists Make Clones of Mice Dead 16 Years
... feat may raise the specter of resurrecting lost species a la Jurassic Park , study senior author ... however, the possibility of preserving endangered species and perhaps resurrecting other extinct species. ... problems today." Scientists have cloned other species -- including celebrity sheep Dolly -- by using ...Lakewood Childcare Participates in Ladybug Hunt
... over the past twenty years several native ladybug species that were once common have become rare while non-native species of ladybugs have thrived. In many areas the ... are being replaced by exotic ones, some native species may have even gone extinct. This survey of the ...Study in Circulation provides detail on how low blood flow promotes vascular disease
... and remodeling, when triggered by reactive oxygen species in diseased blood vessels. "For years ... deposits, along with the reactive oxygen species created by both, drive the progression of ... in response to the production of reactive oxygen species with several consequences. First, CyPA signals ...Scientist study bacterial communities inside us to better understand health and disease
... truly begin to identify and characterize all the species that make up an individuals microbiome. Martin ... it was estimated that fewer than 100 different species of bacteria lived on the skin. Using relatively ... colleagues attempted to identify the bacterial species on the forearms of healthy subjects. An ...ASPB engages Latin America colleagues at Annual Meeting in Merida, Mexico June 22-25
... meeting is the biology and agriculture of plant species that originated in the America's. Presentations ... Symposium III: Biology of Tomato & Solanaceous species - Organizers: Lukas Mueller and Lus (Stella) ... time pathways in natural environments across the species climatic range. Perspectives of Science ...A product for the detection and characterization of brucellosis launched at University of Navarra
... sequences of the genomes of various distinct species of Brucella, which permitted them to design a ... fact that is able to distinguish all the known species of Brucella, including vaccine lines and the isolated species present in marine mammals. A more rapid and ...Hissing cockroaches are popular, but they also host potent mold allergens
... Their hard bodies and feces are home to many mold species that could be triggering allergies in the kids ... 14 different types of mold on and around this species of cockroach, including several molds associated ... for mold. Some people are allergic to the species of cockroaches that are household pests. In those ...Which came first, social dominance or big brains? Wasps may tell
... the brains of both males and females of one wasp species not only increased in size with age but were also ... the males are dominant and long-lived makes this species interesting from a neurobiological standpoint. ... the scope of the research by looking at more species of paper wasps. We are interested in how brains ...New bacteria contaminate hairspray
... Scientists in Japan have discovered a new species of bacteria that can live in hairspray, according ... Saitama, Japan. We discovered a new species of bacteria called Microbacterium hatanonis, ... isolated from hospital material. Microbacterium species have been identified in milk, cheese, beef, eggs ...Bonn scientists simulate dinosaur digestion in the lab
... population, i.e. the fewer animals of the same species there are per square kilometre.' The larger an ... density of population. If this is undercut, the species dies out: 'In this case diseases can rapidly wipe ... in addition to the toxins present in many modern species it wears down animals teeth too much. 'Equisetum ...Bug guts map brings scientists closer to understanding different bugs' role in the body
... processes in the body, by mapping the different species of bugs living in seven members of the same ... processes, the relationship between different species of bug and different processes has previously ... body in such microscopic detail. Mapping the species of gut microflora inside a person requires DNA ...Iowa State University researcher's work on gender, temperature link in reptiles published in Nature
... always contributes an X chromosome. In some species of reptiles, the gender of the offspring is ... findings may have grave consequences for the species if temperatures increase in the parts of ... population viability. Warner also notes that species may have a way of adapting. The lizards may ...Forsyth launches 1-of-a-kind core service to enable rapid identification of bacterial samples
... enables the rapid identification of bacterial species in clinical samples. The first service offering, ... technology will allow the evaluation of species that cannot yet be grown in vitro. Information ... and skin. Background Hundreds of different species of bacteria are able to live in the human mouth, ...Evolution of human genome's 'guardian' gives people unique protections from DNA damage
... at genes that repair DNA damage in 14 species (from zebra fish to humans), researchers were ... evolutionary changes in their function. The 14 species represented an estimated 500 million years of ... elements was conserved or changed as different species developed. Dr. Jegga said researchers were ...January American Naturalist highlights
... How do we know that interactions between plant species affect their evolution" While there is abundant ... direct evidence that interactions between plant species shape the evolution of such characteristics. ... this question in a study of two morning glory species that commonly co-occur in the southeastern United ...Researchers seek to make cavity-causing bacteria self-destruct
... can take away the ability of a key bacterial species to thrive as its acidic waste builds up in the ... mutans) to survive in acid is one reason that the species is the main driver of tooth decay worldwide. Past ... to its own acid waste, the membranes for this species have become acid durable. Quiveys team has shown ...Most ancient case of tuberculosis found in 500,000-year-old human; points to modern health issues
... erectus, widely believed to be the first human species to migrate out of Africa. After moving north, the species had to adapt to increasingly seasonal climates. ... in the tropics, Kappelman explained. After the species moved north, it had to adapt to more seasonal ...University of Pennsylvania study reveals inconspicuous hosts in the Lyme disease epidemic
... two shrew species, not just mice, are the four species that account for major outbreaks. According to ... mice being one of an assemblage of vertebrate species contributing to feeding ticks and transmitting B. ... to rethink mice as the principal reservoir species for the disease. The team employed genetic and ...Parasites a key to the decline of red colobus monkeys in forest fragments
... declines or local extinctions in a majority of species while enhancing the prospects of a few. A new ... can play a pivotal role in the decline of species in fragmented forests. This is the first study to ... hemmed in by pastures and croplands. Many of the species that thrived in the original forests are ...Not just humans benefit from animal biotechnology
... specific mutations can be mapped in farm animal species and the dog, now that genome sequences are ... variations between the DNA of individuals of a species that determine traits. These lead to the ... can be used to investigate disease in these species but also in many cases can be useful models for ...Why are some groups of animals so diverse?
... most diverse group of vertebratesmore than 252 species of lizards called skinks. Researchers at the ... another. By documenting where the various skink species occur and using their DNA to define their evolutionary tree, he found that the groups with the most species are the ones that live in the driest parts of ...Corals added to IUCN Red List of Threatened Species for first time
... time in history, the IUCN Red List of Threatened species includes ocean corals in its annual report of ... regional institutions to conclude that three species of corals unique to the Galapagos Islands could ... Endangered. Prior to 2007, only one algae species had been included on the Red List. There is a ...Male deer are born to live fast, die young
... offer a new explanation for why males of ungulate species subjected to intense competition are born with ... of reproduction compromises survival. Males of species subjected to intense male-male competition for ... body and dental size of males and females of 123 species of ungulates, the authors offer another ...One Species' Genome Found Within Another
... --The discovery of an entire genome from one species inside another adds a twist to the study of ... large amounts of genetic code from another species may allow the host species to develop new cellular functions more rapidly. ...