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Biologists in Biological News

CCNY, CSHL biologists find birdsong of isolates reverts to norm over several generations

AUDIO: This recording demonstrates the progression from isolate song to "wild-type " song in two tutoring lineages and also in the isolate colony. ...

Penn biologists discover how 'silent' mutations influence protein production

PHILADELPHIA - Biologists at the University of Pennsylvania have revealed a hidden code that determines the expression level of a gene, providing a way to distinguish efficient genes from inefficient ones. The new research, which involved creating hundreds of synthetic green-glowing genes, provid...

UIC biologists use DNA to study migration of threatened whale sharks

Whale sharks -- giants of the fish world that strike terror only among tiny creatures like the plankton and krill they eat -- are imperiled by over-fishing of the species in parts of its ocean range. That threat is underscored in a new study from geneticists led by Jennifer Schmidt, University ...

Penn biologists demonstrate that size matters... in snail shells

PHILADELPHIA - A team of biologists at the University of Pennsylvania has completed a research study begun in 1915 and determined that a snail making its home in the northwest Atlantic Ocean around Mount Desert Island, Me., has experienced a dramatic increase in the size of its shell during less t...

Two innovative University of Texas at Austin biologists become HHMI Early Career Scientists

AUSTIN, Texas Two University of Texas at Austin biologists join 50 of the nation's best early career science faculty to focus on their boldest and potentially transformative research ideas with support from a new initiative from the Howard Hughes Medical Institute (HHMI). As Early Career Scien...

Plant biologists discover gene that switches on 'essence of male'

Biologists at the University of Leicester have published results of a new study into plant sex and discovered that a particular gene switches on 'the essence of male'. The study takes to a new level understanding of the genes needed for successful plant reproduction and seed production. Pro...

Queen's University biologists find new environmental threat in North American lakes

Kingston, ON A new and insidious environmental threat has been detected in North American lakes by researchers from Queen's and York universities. Along with scientists from several Canadian government laboratories, the team has documented biological damage caused by declining levels of calciu...

Caltech biologists spy on the secret inner life of a cell

PASADENA, Calif.-- The transportation of antibodies from a mother to her newborn child is vital for the development of that child's nascent immune system. Those antibodies, donated by transfer across the placenta before birth or via breast milk after birth, help shape a baby's response to foreign ...

Engineers create 3-D model to help biologists combat blue tongue virus

A large 3D model of the Blue Tongue virus has been created by WMG engineering researchers at the University of Warwick that will help biologists devise new ways to combat the virus and protect millions of livestock from infection. The WMG University of Warwick researchers based their model on...

Plant biologists discover unexpected proteins affecting small RNAs

LA JOLLA, CA - Now that high school biology students can recite that genes are made of DNA, which is transcribed into messenger RNA (mRNA), which is then translated into protein, along comes a new class of molecules, sending studentsand many scientistsscrambling for updated textbooks. A study b...

Cell biologists announce child-care grants for scientist-parents at annual meeting

BETHESDA, MD ,FEB. 13, 2007 In an innovative program to help junior researchers, particularly women, balance their responsibilities as scientists and parents, the American Society for Cell Biology (ASCB) today announced that a grant from the Elsevier Foundation will fund awards for child care duri...

Ant parasite turns host into ripe red berry, biologists discover

Berkeley -- A newly discovered parasite so dramatically transforms its host, an ant, that the ant comes to resemble a juicy red berry, ripe for picking, according to a report accepted for publication in The American Naturalist. This is the first example of fruit mimicry caused by a parasite, the c...

Evolution is deterministic, not random, biologists conclude from multi-species study

A multi-national team of biologists has concluded that developmental evolution is deterministic and orderly, rather than random, based on a study of different species of roundworms. The findings are reported in the latest issue of the journal Current Biology. The leading author is Karin Kiontk...

UD plant biologists uncover top wetland plant's hidden weapon

Scientists at the University of Delaware have uncovered a hidden weapon that one of the most invasive wetland plants in the United States uses to silently and efficiently bump off its neighbors. The invasive strain of Phragmites australis, or common reed, believed to have originated in Eurasia,...

Tufts University biologists link Huntington's disease to health benefits in young

MEDFORD/SOMERVILLE, Mass. -- For years researchers in neurology have believed that people with Huntingtons disease have more children than the general population because of behavioral changes associated with the disease that lead to sexual promiscuity. In a new Tufts University study, three biolo...

The American Society of Plant Biologists announces 2007 awards

Rockville, MD. (September 6, 2007) - The American Society of Plant Biologists (ASPB) is pleased to announce recipients of its 2007 awards. These awards were presented at the societys annual meeting that was held jointly with the Botanical Society of America as well as the American Fern Society and ...

Smaller plants punch above their weight in the forest, say Queen's biologists

New findings from Queen's University biologists show that in the plant world, bigger isn't necessarily better. "Until now most of the thinking has suggested that to be a good competitor in the forest, you have to be a big plant," says Queen's Biology professor Lonnie Aarssen. "But our research...

FANTOM findings boost for biologists

Genomic regulatory blocks have unique features that may explain their ability to respond to regulatory inputs from very long distances, according to a special thematic series of companion articles from the FANTOM4 consortium. This research, to be published across a number of BioMed Central's open ...

Cleaning up oil spills can kill more fish than spills themselves, say Queen's biologists

Kingston, ON A new Queen's University study shows that detergents used to clean up spills of diesel oil actually increase its toxicity to fish, making it more harmful. "The detergents may be the best way to treat spills in the long term because the dispersed oil is diluted and degraded," says...

Model for angelman syndrome developed by University of Texas at Austin biologists

AUSTIN, TexasA model for studying the genetics of Angelman syndrome, a neurological disorder that causes mental retardation and other symptoms in one out of 15,000 births, has been developed by biologists at The University of Texas at Austin. Their research demonstrates that when a particular f...

Plants recognize their siblings, biologists discover

The next time you venture into your garden armed with plants, consider who you place next to whom. It turns out that the docile garden plant isn’t as passive as widely assumed, at least not with strangers. Researchers at McMaster University have found that plants get fiercely competitive when forc...

Brown cancer biologists identify major player in cell growth

When cells go about the business of dividing, they can get sidelined. Maybe there aren't enough nutrients. Maybe there aren't the right signals to resume multiplying. Either way, cells go quiet. What can restart cell division -- the process that drives the development of embryos, the renewal of h...

Yale biologists 'trick' viruses into extinction

While human changes to the environment cause conservation biologists to worry about species extinction, Yale biologists are reversing the logic by trying to trap viruses in habitats that force their extinction, according to a report in Ecology Letters. To avoid going extinct a population must n...

MIT biologists solve vitamin puzzle

Solving a mystery that has puzzled scientists for decades, MIT and Harvard researchers have discovered the final piece of the synthesis pathway of vitamin B12-the only vitamin synthesized exclusively by microorganisms. B12, the most chemically complex of all vitamins, is essential for human healt...

NYU biologists identify gene that coordinates two cellular processes

A team of biologists at New York University's Center for Comparative Functional Genomics has uncovered a dual role for the gene mel-28. The gene plays a part in ensuring that chromosomes are divided properly during cell division and it is required for nuclear envelope function. The findings appear ...

How healthy is that marsh? Biologists count parasites

Is that salt marsh healthy? To answer this, Sea Grant biologists are cracking open common marsh snails and counting parasitic worms. Their claim: the more parasites, the healthier the marsh. While the parasite hypothesis may conflict with conventional ideas about infectious disease and human heal...

FSU biologists uncover mechanisms that shape cells for better or worse

In a landmark study, biologists at Florida State University have uncovered a specific genetic and molecular mechanism that causes cell polarity -- the asymmetric shape or composition critical to a cell's proper functioning. Their findings in fruit fly eggs may help to clarify how muscular dystrophy...

UC San Diego biologists solve plant growth hormone enigma

Gardeners and farmers have used the plant hormone auxin for decades, but how plants produce and distribute auxin has been a long-standing mystery. Now researchers at the University of California, San Diego have found the solution, which has valuable applications in agriculture. The study, publ...

UCSD biologists find new evidence for one-way evolution

By tracing the 30-million year history of variation in a gene found in plants such as tomatoes and tobacco, biologists at the University of California, San Diego have found new evidence to support an old idea -- that some evolutionary changes are irreversible. Their study, published this week in...

High-tech tags on marine animals yield valuable data for biologists and oceanographers

Researchers are enlisting seals, sea lions, tunas, and sharks to serve as ocean sensors, outfitting these top predators with electronic tags that gather detailed reports on oceanographic conditions and, in many cases, transmit the data via satellite. The data are proving useful to both biologists a...

FSU biologists describe key role of signal-transcribing gene during cell cycle

Study in Oct. 1 'Development' shows when, where Alzheimer's, some cancers and genetic ills beginT. Biologists at Florida State University have uncovered the pivotal role of a gene called "Cut" that acts as a sort of middleman in cell-to-cell communication. A DNA-binding protein, Cut interprets an...

NYU biologists map out early stages of embryo formation

A team of genomic researchers headed by biologists at New York University's Center for Comparative Functional Genomics, in collaboration with researchers at Harvard University, the Max Planck Institute, and Cenix Biosciences, has mapped out a preliminary molecular diagram of the early stages of emb...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

In a stunning example of evolution at work, scientists have now found that changes in a single gene can produce major changes in the skeletal armor of fish living in the wild. The surprising results, announced in the March 25, 2005, issue of journal Science, bring new data to long-standing debat...

Animal and plant communication at the ESA Annual Meeting

...water in it. When insects investigate, they slide into the pitcher and meet a watery demise. The plant then dissolves the insect and uses it for food. biologists have long assumed that in addition to their nectar-producing glands that attract prey to a potential food source, the plants' bright colors mostly sh...

UC San Diego engineer provides insights to decades-old DNA squabble

... A group of nanoengineers, biologists and physicists have used innovative approaches to deduce the internal structure of chromatin, a key player in DNA regulation, to reconcile a longstand...

Leicester research paves way for first use in Europe of an insect to fight invasive plant

...ve paved the way for the first ever use in Europe of an insect (biocontrol) to combat an invasive plant species in Britain. University of Leicester biologists established that the Japanese Knotweed in Britain was one the biggest females in the world- a clone of cuttings brought into Britain in the 1850s. Cos...

Little-known protein found to be key player

... HOUSTON -- (July 29, 2009) -- Italian and U.S. biologists this week report that a little-understood protein previously implicated in a rare genetic disorder plays an unexpected and critical role in building a...

Naming evolution's winners and losers

...rs are still around is a very hard thing to explain. They have been drawing inside straights for hundreds of millions of years. It's a real mystery to biologists how there can be any tuataras, given their low rate of speciation. They must have something working for them that has allowed them to persist. In spec...

Freshwater fish at the top of the food chain evolve more slowly

...Fish make great fish food," says co-author Brian O'Meara of the National Evolutionary Synthesis Center. "But they're hard to catch," says O'Meara. biologists have long known that certain head and body shapes make some centrarchids better at catching fish than others. To catch, kill, and swallow fish prey, i...

Biologists rediscover endangered frog population

...rnardino National Forest's San Jacinto Wilderness. biologists from the U.S. Geological Survey (USGS) assessing s...wild. USGS and San Diego Natural History Museum biologists found the endangered frog during separate trips in...d the first new Tahquitz Creek frogs on June 10. biologists from the San Diego Natural History Museum made the...
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