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Tag: "grows" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...s it appeared in the field. "We didn't look atwhat grows in a culture dish, we looked at the RNA of samples directlyfrom the field," Spear said."We've never before known what microbes were living in Yellowstone hotsprings, and now we do," Pace said.A novel suite of instruments was used to gather data, some...

NJIT Presidential Award winner takes stem cell research another step

...itions for which stem-cell treatment holds promise grows almost daily: It now includes Parkinson's, diabetes, Alzheimer's, cancer and traumatic brain injury. "Treena's research is unique because she has had success in crafting the right environment for stem cells to grow into other cells," said William Hu...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...mester in human pregnancies, a time when the brain grows significantly. Once the pups grew up, Bilbo and her colleagues tested the adults' memory about 60 days after birth. To test memory, each rat was allowed to explore a novel experimental chamber for several minutes on the first day. On the second day,...

UCLA launches $20 million stem cell institute to investigate HIV, cancer and neurological disorders

...xecutive dean of the UCLA College. "As biomedicine grows increasingly complex, new academic partnerships hold the key to discovery; this institute will create novel opportunities for research that spans many disciplines." ...

Advances in the characterisation of the oyster mushroom genes

...ation of cellulose In nature, the oyster mushroom grows on dead trunks of trees where the lignin and cellulose ?the two principal components of wood - are being broken down. Degradation of lignin has been studied over the years by a number of research teams that have characterised the genes involved. But ...

Nanoparticles offer new hope for detection and treatment

...ertical phase, when it goes deep into the body and grows quickly. "Once melanoma has moved into its vertical phase, it is almost untreatable because by the time the tumors are large enough to detect, it's too late," Lanza says. "With the nanoparticles, we believe we would be able to see the smallest melan...

Gladstone investigators discover how resting T cells avoid HIV infection

...activated CD4 T cells, where the virus efficiently grows and wreaks havoc. They further showed that blocking production of the small, active form of A3G in resting CD4 T cells was sufficient to make these normally resistant resting cells highly susceptible to HIV infection. "Until now, the prevailing beli...

Leprosy genome tells story of human migrations, French researchers report in Science

...aged, nonfunctional genes. This is probably why it grows exceedingly slowly, making it difficult for researchers to study because they can't grow it in culture. In fact, M. leprae only lives in humans and in armadillos (which might have acquired the bacterium by eating infected human cadavers), and it can ...

Map of life on Earth could be used on Mars

...the Crenarchaeota and the Euryarchaeota, one which grows in marine environments, the other on continents, " Blank said. "They grow and diverge for perhaps a billion years, and then they start colonizing each other's environments. The marine Euryarchaeota eventually colonize the terrestrial environments and...

The making and breaking of microtubules

...ubule. The so-called minus end of the microtubule grows slowly and is often anchored to a cellular structure. The other end, the plus end, is a hotbed of activity. In the presence of GTP the microtubule's protofilaments acquire more tubulin dimers, and the whole microtubule extends rapidly for many millio...

Fungus-farming termites descend from an African rain forest Eve

...te colonies, which can grow very large, the fungus grows on a special structure called the comb, which is maintained by the termites by the continual addition of new plant material. Researchers Duur Aanen (University of Copenhagen) and Paul Eggleton (The Natural History Museum London), having sampled 58 c...

Improved statistical tools reveal many linked loci

...nsible for altered expression levels. This problem grows exponentially with each added test site. This approach also failed to reveal that hierarchical relationships between two genomic locations control about one in seven yeast expression traits¡Xwhich Storey et al. discovered using their method. Althoug...

The genetic origins of corn on the cob

..."We also looked at a popular ornamental grass that grows outside my office and found the same result. It has a spiky top like corn, so we were delighted to find that they have similar profiles of ramosa1 activity," says Martienssen. ...

$6.5 Million Grant for Microarray Center at Yale School of Medicine

..."We also looked at a popular ornamental grass that grows outside my office and found the same result. It has a spiky top like corn, so we were delighted to find that they have similar profiles of ramosa1 activity," says Martienssen. ...

Scientists focus on 'dwarf eye'

...ht degree of farsightedness at birth. As the child grows and gains more visual experience, the eye adjusts its focus by growing, which changes the distance between the lens and the retina, the light-detecting layer of cells at the back of the eye. Once the retina is the right distance from the lens for pro...

Expanding forests darken the outlook for butterflies, study shows

...se. Parnasissus also need stone crop, a plant that grows in meadows and is the only suitable host for alpine butterfly larvae. Therefore, alpine butterflies do not generally travel beyond the meadows they are born in, and the shrinking meadows could lead to inbreeding and the decreased diversity in the ge...

Hybrid grass may prove to be valuable fuel source

...ometimes referred to as elephant grass or E-grass, grows from an underground stem-like organ called a rhizome. Miscanthus, a crop native to Asia and a relative of sugarcane, drops its slender leaves in the winter, leaving behind tall bamboo-like stems that can be harvested in early spring and burned for fu...

Simple sea sponge helps scientists understand tissue rejection

...the red beard sea sponge, an Atlantic species that grows abundantly from just north of Cape Cod down to Florida. The red beard sponge (Microciona prolifera) has a cell-to-cell recognition system that, on a basic level, is similar to that of humans but much simpler. It's also a good organism for laborato...

A vaccine to kill tapeworm

...e adult form, caught from eating undercooked pork, grows only inside the human intestine, stealing nutrients from the host. This can be debilitating. But far worse is what can happen if people swallow any of the microscopic eggs shed in vast numbers in the faeces of those carrying the adult form. The eggs...

Nanotubes inspire new technique for healing broken bones

...f the implant, which supports the new tissue as it grows to connect fractured bone segments. The new technique may someday give doctors the ability to inject a solution of nanotubes into a bone fracture, and then wait for the new tissue to grow and heal. Simple single-walled carbon nanotubes are not suff...

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