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Tag: "secrets" at biology news

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...ransfer. "This study will provoke interest in what secrets may lie undiscovered in the sequences of other supposedly 'simple' amoeba genomes." Named for its effectiveness in killing other cells, E. histolytica was long considered to be a 'primitive' organism ?originating from the time that bacterial lineage...

Jumping gene helps explain immune system's abilities

...difficult to study. Hermes should help reveal some secrets of thisprocess, the researchers say."The immune system takes an approach to protein building similar tothat of diners creating a meal at a cafeteria, but how the immunesystem's 'a la carte' process happens is still murky," says Craig.But the a la car...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...difficult to study. Hermes should help reveal some secrets of thisprocess, the researchers say."The immune system takes an approach to protein building similar tothat of diners creating a meal at a cafeteria, but how the immunesystem's 'a la carte' process happens is still murky," says Craig.But the a la car...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...difficult to study. Hermes should help reveal some secrets of thisprocess, the researchers say."The immune system takes an approach to protein building similar tothat of diners creating a meal at a cafeteria, but how the immunesystem's 'a la carte' process happens is still murky," says Craig.But the a la car...

Gene sequencing explains bioremediation 'bug'

...difficult to study. Hermes should help reveal some secrets of thisprocess, the researchers say."The immune system takes an approach to protein building similar tothat of diners creating a meal at a cafeteria, but how the immunesystem's 'a la carte' process happens is still murky," says Craig.But the a la car...

Genetic links could unlock clues to leading cause of blindness

... with macular degeneration and humans could unlock secrets about the earliest stages of the disease, when severe vision loss could still be stopped. The researchers pinpointed a chromosome region and genetic markers for macular degeneration in humans and rhesus monkeys, findings recently published in the on...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

...chromosomes. "This study has revealed many hidden secrets on the nature and timing of genome evolution in mammals, and it demonstrates how the study of basic evolutionary processes can lead to new insights into the origin of human diseases," said Dr. Lewin, who is director of the Institute of Genomic Biolog...

Deep sleep short-circuits brain's grid of connectivity

...icate, Tononi says. Beyond helping illuminate the secrets of consciousness, the new study, which was directed in part by Marcello Massimini, a research associate in the UW Psychiatric Institute and Clinics, may aid in the development of diagnostic and therapeutic tools for neurological and psychiatric disor...

Frog peptides block HIV in lab study

...icate, Tononi says. Beyond helping illuminate the secrets of consciousness, the new study, which was directed in part by Marcello Massimini, a research associate in the UW Psychiatric Institute and Clinics, may aid in the development of diagnostic and therapeutic tools for neurological and psychiatric disor...

Investigating 'brain shrinkage' in alcoholics

...holics. "Even after death, tissues can reveal the secrets of diseases," said Harper. "For this research, brain tissues were obtained, with ethical consent, from autopsies on alcoholic subjects. Scientists used modern molecular techniques to study the control mechanisms (genes) and building blocks (proteins)...

Elderly mice yield clues to the process of growing old

...nt and normal mice that peel away some of the root secrets of mammalian aging. Growing old, according to the new study, occurs, in part, as mutations build up in the DNA of energy-generating mitochondria, triggering the death of critical cells that lead to such things as hair and weight loss, hearing and vi...

UQ researcher tracking key to healing the brain

...gy, is hoping those stem cells may soon unlock the secrets to healing the brain as well. First he has to find out what they actually do - something that has been notoriously hard to do in the past. Dr Rietze is a finalist in the UQ Foundation Research Excellence Awards, to be announced tomorrow as a highli...

Living with salt

...the Weizmann Institute for over 30 years. Yet, the secrets of its exceptionally successful adaptation to salt remained unresolved. In a recent paper published in the Proceedings of the National Academy of Sciences, USA (PNAS), Institute scientists Prof. Ada Zamir and Dr. Lakshmanane Premkumar of the Institu...

Simple explanation for complex pattern of feather development

...atical and molecular methods to reveal some of the secrets of branched feather growth, and propose how the unique complexity of feathers may have evolved. Ornithologist Prum led a team including anatomists Matthew Harris and John Fallon at the University of Wisconsin, statistician Scott Williamson at Cornell...

Studies on human genome variation provide insight into disease

...on, "but the genome is tricky; it won't reveal its secrets easily. The real disease-causing culprits can have many silent partners. We need to know the relationships of all these partners to focus on real disease mutations and to minimize attention on the innocent gene variants that colour the humanity of ...

Housecat-sized Siberian tiger cubs get collared

...on, "but the genome is tricky; it won't reveal its secrets easily. The real disease-causing culprits can have many silent partners. We need to know the relationships of all these partners to focus on real disease mutations and to minimize attention on the innocent gene variants that colour the humanity of ...

Wright bros. upstaged! Dinos invented biplanes

...er key element to discovering Microraptor's flight secrets was setting some realistic limitations on how the dinosaur could move its hindlimbs ? something that was initially overlooked by Chinese researchers who found the fossil. Chatterjee and Templin studied its anatomy and found that like any dinosaurs, M...

Scientists map one of biology's critical light-sensing structures

...n as phytochrome, scientists can now tease out the secrets of how plants, in particular, react to light, opening the door for a host of manipulations that could have sweeping implications for agriculture. Writing in the Nov. 17, 2005 issue of the journal Nature, a team of scientists from the University of W...

Great (taste) expectations: Study shows brain anticipates taste, shifts gears

...s have begun to peel back some of the neurological secrets of this remarkable phenomenon and show how the brain can be rewired in anticipation of sensory input to respond in prescribed ways. Writing in the current issue (March 1, 2006) of the journal Brain, Behavior, and Immunity, a team of University of Wi...

Cholesterol gets 'thumbs up' for role in digit development

...f Sonic hedgehog promises to expose the incredible secrets of the developing embryo and could provide clues for preventing devastating birth defects. ...

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