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Niche in Biological News

The value of variation: Ecologists consider the causes and consequences

... Community Ecology Consequences of Intraspecific niche Variation is the topic of a NIMBioS Working Group ... Texas, Austin. "Very little is known about how niche variation affects the ecological dynamics of a ... only tool to determine the ecological effects of niche variation and make recommendations for ...

Rensselaer receives more than $2 million from New York State to fund stem cell research

... cells. This sugary coating is known as the glyco niche and supports the growth and specialization of ... cancerous." Researchers currently hypothesize the niche surrounding the stem cell could control the difference between cure and cancer. The glyco niche is one aspect of the ...

Study shows competition, not climate change, led to Neanderthal extinction

... it is possible to determine if the ecological niche exploited by this human population remained the ... climatic phases concerned, and by projecting each niche onto the subsequent climatic phases, Banks and ... we see the geographic expansion of the ecological niche occupied by modern humans during GI8. The ...

Stowers Institute's Linheng Li Lab expands understanding of bone marrow stem cell niche

... discovery of the hematopoietic stem cell (HSC) niche (Zhang, et al. in the October 23, 2003 issue of ... in the field about whether the bone-forming niche or the blood-vessel-forming niche actually nurtures HSCs. Surprisingly, we revealed ...

Stem cell chicken and egg debate moves to unlikely arena: the testes

... that the cells that comprise a specialized niche in the testis of fruit flies actually emerge from ... thought that a fruit fly's allotment of testis niche cells was handed out at birth and meant to last a ... "Once a fly develops into an adult, some of these niche cells can be replaced." Using microscopy and ...

Scientists reveal the lifestyle evolution of wild marine bacteria

... method to accurately differentiate the ecological niche or profession among large groups of microbes in ... Its only by determining bacterias ecological niche that scientists can classify them into ... in the act of switching from one ecological niche (thriving on zooplankton) toward a ...

Xie Lab characterizes niche control of stem cell function

... position in the niche. They do so by invading the niche space of neighboring GSCs and gradually pushing them out of the niche by increasing the cellular response to the ... the tight control of stem cell quality by the niche and how cancer stem cells might invade new niches ...

Elsevier launches new journal: Journal of Natural Gas Science and Engineering

... journal dedicated to natural gas will provide a niche in the economy, a niche in the technology and a niche in the integration of previously disparate ...

Why do so many species live in tropical forests and coral reefs?

... mainstream ecological models, such as the famous niche theory, according to which species survive by ... composition for which it is genetically adapted. niche theory seemed so commonsensical that many ... example, polar bears are adapted to the chilly niche of the Arctic, not to the ...

UCR scientists identify stem-cell genes that help form plant organs

... also identified all the genes expressed in two other SAM cells: niche cells (which are located just beneath the stem cells and which provide ... His lab initially labeled the three different SAM cell typesstem cells, niche cells and differentiating cellsby using different fluorescent proteins. ...

Yale undergrads' Amazon trip yields a treasure trove of diversity

... the 2007 effort. "Clearly the inner tissues of plants are a biological niche for microbial life that warrants further exploration," Strobel said. "It is a niche that can be readily explored by undergraduate students. The potential to ...

Sky islands: metaphor or misnomer?

... of Colorado at Boulder. The team used an emerging technique, ecological niche modeling, to show that the populations of small mammals living on ... an important aspect of conservation biology," says Waltari. "Also, testing niche models in the present and past is the first step in making predictions ...

Researchers decode genetics of rare photosynthetic bacterium

... professor ASUs School of Life Sciences and lead author of the paper, niche adaptation and genome expansion in the chlorophyll d-producing ... organisms can, and that enables this organism to carve out its own special niche in the environment to pick up far-red light, Touchman explained. The ...

Researchers decode genetics of rare photosynthetic bacteria

... professor ASUs School of Life Sciences and lead author of the paper, niche adaptation and genome expansion in the chlorophyll d-producing ... organisms can, and that enables this organism to carve out its own special niche in the environment to pick up far-red light, Touchman explained. The ...

Stowers Institute's Xie Lab demonstrates dual intrinsic and extrinsic control of stem cell aging

... that age-dependent decline in the functions of stem cells and their niche contributes to overall aging of stem cells, said Mr. Pan. We examined ... of many tissues. They found that as BMP signaling activity from the niche decreases with age, the stem cells ability to proliferate is compromised, ...

Marine microbes creating green waves in industry

... than starting from scratch every time, might seem an obvious thing to do. It does however, in many cases, require the bringing together of particular niche expertise. The value of this collaboration is in the coincidence of knowledge and expertise from academia with the uniquely important business of ...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

... period of 2006 through 2015. A five-year historic analysis is also provided for this market. The report profiles 173 companies including many key and niche players worldwide such as Coherent, Inc., Cutting Edge Optronics, Inc., CVI Melles Griot Inc., Cymer Inc., Fujian Castech Crystals, Inc., ...

NYU Langone Medical Center awarded NIH grants totaling $1,560,000

... sequence up to 600 microbial genomes and for selected demonstration projects that will examine the relationship between the microbiome in a specific niche of the body with a particular disease. The goal is to determine whether individuals share a core microbiome, and to examine how changes in microbial ...

Komodo even more deadly than thought: Research

... The reptile's unusual size is attributed to a phenomenon known as island gigantism, since there are no other carnivorous mammals to fill the niche on the islands where they live. The lizards are apex predators and dominate the ecosystems in which they live. Although Komodo dragons eat ...

New computational technique allows comparison of whole genomes as easily as whole books

... of metagenomic data - the sequences of genome fragments from many organisms, most of which are unknown species, found in a given environmental niche or body organ. Kim hopes someday to return to Shakespearean texts and sort out their provenance as well. ...

'Fishy' clue helps establish how proteins evolve

... the genetic code." Pyl is so rare that it has been found in only seven organisms. Each of these microbes evolved in an unusual environmental niche and all use methylamines the compounds that make fish smell "fishy" as a source of energy. Sll's research team characterized and crystallized the ...

Satellites search out South Pole snowfields

... of the ocean and reflectance of a salt lake in Turkey. Looking to the future, it is hoped that the UK can continue to take a lead in this niche but crucial role to underpin the calibration and validation of Earth Observation satellites. One example is the development of a "calibration ...

As super-predators, humans reshape their prey at super-natural speeds

... 20 percent during the last 30 years. "Although this is the first study of its kind, we assume this human impact is broad, because our predatory niche is so wide," he said. "While wolves might prey on 20 animals, humans prey on hundreds of thousands of species." In addition, researchers don't ...

An essay proves that vegetation could recover in the ski resort of Sierra Nevada

... bushy species of Sierra Nevada, among other taxons: Genista versicolor Boiss (Leguminous) and Reseda complicata Bory (Resedacea), whose ecological niche is, above all, in the ski resort and its environment. In order to manage the recovery in its natural environment, the researchers wanted to know ...

Novel technique for fluorescence tomography of tumors in living animals

... At present EPT is practicable only with small animals, but as stated by the authors of the paper further development of the equipment can allow niche applications of the technique also with larger organisms including humans. ...

1,000 tags reveal mysteries of giant bluefin tuna

... so because bluefins are among the rare ocean animals that have the capacity to maintain a warm, stable body temperature throughout their wide thermal niche much like a mammal or bird. TAG data have also helped to uncover where, when and how bluefin tuna spawn, at what age they mature, and are ...

Current mass extinction spurs major study of which plants to save

... impact on the system than losing a daisy or a sunflower, for example. The latter species are closely related. Each could therefore help fill the niche of the other, if one were to be lost. The daisy and sunflower also have a more similar genetic make-up. "These 40 studies are showing the same ...

Decline in Alaskan sea otters affects bald eagles' diet

... Sea otters are known as a keystone species, filling such an important niche in ocean communities that without them, entire ecosystems can collapse. Scientists are finding, however, that sea otters can have even ...

TB bacterium uses its sugar coat to sweeten its chances of living in lungs

... bacteria enter the lungs. "We believe that these strains haven't been living in humans for very long, so they don't know how to get into their niche and sleep into latency, which is the most commonly seen TB behavior," Schlesinger said. "But the few bacteria that do get into the lung macrophages ...

ST Kinetics and NTU set up Southeast Asia's first cold spray research center

... of NTU. Through the combined strengths of ST Kinetics and NTU, this research collaboration aims to use the cold spraying platform to spin off niche industry applications for Singapore, specifically, new bio-nano-technologies for defence and biomedical applications such as anti-microbial coatings ...

Building bridges between the clinic and the laboratory

... exponentially, particularly given the recent advances in genomics and life sciences, and shifts in global research funding. DMM aims to fill a niche in translational research by publishing articles about human disease and the model organisms used in biomedical research. The special inaugural ...

Ecological Society of America announces 2008 award recipients

... first rigorous tests of the theory that ecological processes vary widely based on existing environmental conditions. His paper discusses neutral and niche partitioning theory and sets a framework for predictive ecological studies. Odum Education Award: Stuart Fisher This year's Eugene P. Odum ...

Purple extremist thrives under inhospitable conditions

... Prof. Peter Golyshin, who works at the HZI and Bangor University in Wales (GB). He suspects that the Ferroplasma genus occupied its ecological niche early in evolution. At that time the earth was very inhospitable; acids and metals in soluble form were everywhere. Peter Golyshin: "Maybe the ...

Court Approves Scheme of Arrangement

... areas to the extent opportunities arise through acquisitions. Shire's in-licensing, merger and acquisition efforts are focused on products in niche markets with strong intellectual property protection either in the US or Europe. Shire believes that a carefully selected portfolio of products with ...

bioMETRX Expands Engineering and Manufacturing Capabilities

... and our other smartTOUCH(TM) products over the next several weeks," continued Mr. Zsvec. Research conducted by Frost & Sullivan estimates that this niche of the identity management market will generate approximately $105 million in 2008, growing to over $689 million in revenue by 2011. About ...

Biologists are from Mars, chemists are from Venus?

... results at the American Sociological Society's annual meeting in August. We've discovered that individuals can find themselves narrowing back to a niche specialization when doing collaborative research, Fifield says. Thus, interdisciplinary research may tend to move people back to their core ....

Ancient sunflower fuels debate about agriculture in the Americas

... the biogeography of sunflower is also being published at the same time as the cover story for the International Journal of Plant Sciences, Ecological niche Modeling and Distribution of Wild Sunflower (Helianthus annuus L.) in Mexico, with co-authors Robert Bye and Victor Snchez-Cordero from the ...

Giant panda genome to be sequenced

... Such data will aid in understanding the genetic and biological underpinnings of this unique species, especially with regard to its very specific niche in the environment and the molecular mechanisms of its evolution. Of special interest is that these data will be extremely useful for protecting and ...

American Chemical Society's Weekly PressPac -- Dec. 19, 2007

... and make it available to other scientists, according to the article. ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME, Dec. 24, 2007 In the niche of Time This story will be available on Dec. 24 at http://pubs.acs.org/cen/science/85/8552sci1.html FOR ADVANCE INFORMATION, CONTACT: ...

It's official: The carbon crisis is lethal for coral reefs

... number of economies around the world. Professor Hoegh-Guldberg, who is based at The University of Queensland, says coral reefs occupy a unique niche in the worlds environment, where water temperatures and other environmental factors are just right. "But raising as little as 1C the temperature ...
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(Date:7/31/2014)... ago, prestin was found to be a key gene responsible ... in the hair cells of the inner ear that contracts ... like an antique phonograph horn, amplify sound waves to make ... published in the advanced online edition of Molecular Biology ... prestin has also independently evolved to play a critical role ...
(Date:7/31/2014)... the largest minority group in the United States, comprising ... are obese and are 1.2 times as likely to ... College of Nursing student researcher Lauren Gerchow, BSN, RN, ... contribute to this problem by compiling a systematic review ... Latina women recently published in Nursing Research . ...
(Date:7/31/2014)... of the roughly 156,000 gas stations across the ... parts of underground gas storage tankscorrosion that could ... a source of drinking water. In recent years, ... rapidly corroding gas storage tank components such as ... use of gasoline-ethanol blends and the presence of ...
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