Tag: "unsolved" at biology news

Complex cells likely arose from combination of bacterial and extreme-microbe genomes

...r mammals are among the most complex. "A major unsolved question in biology has been where eukaryotes came from, where we came from," Lake said. "The answer is that we have two parents, and we now know who those parents were." Further, he added, the results provide a new picture of evolutionary pathw...

UCLA molecular biologists uproot the tree of life

...sed to form the ring of life," Lake said. "A major unsolved question in biology has been where eukaryotes came from, where we came from. The answer is that we have two parents, and we now know who those parents were. "If we go back a hundred billion generations, our ancestor was not a human, and wasn't even a...

Digital evolution reveals the many ways to get to diversity

...ch. In finding an answer to "perhaps the greatest unsolved ecological riddle," evolutionists propose that diversity is a testament to there being more than one way to make a living. The riddle: Why are some habitats loaded with many more species than others? The answer: Nature and evolution respect that the...

Mind Science Foundation announces Rare Consciousness Research Awards

... question of human consciousness--one of the great unsolved problems of science. The Mind Science Foundation announced today that it has awarded seven research teams worldwide a 2004 Tom Slick Research Award in Consciousness. Only twenty research teams were considered for this honor. Research in human conscio...

Research on relative species abundance provides new theoretical foundation

...ological community is restricted. This is a famous unsolved problem in the Theory of Island Biogeography published by renowned biologists E. O. Wilson and Robert MacArthur 36 years ago. For the past half century, the field of ecology has operated inside a Darwinian paradigm that assumes species in nature are ...

Researchers find mechanism that may determine early blood cell fate

...iation into distinct blood cell types. "A central unsolved question was what signals tell the GATA-2 gene to stop producing its proteins so the progenitor cells can form blood," Bresnick said. To find the answer, he and his team also examined GATA-1. Significant amounts of this protein are critical for the...

Virus researchers close in on the secret life of DNA

...appears may point towards important answers to the unsolved puzzle of how this alternate form of DNA functions and may lead to the development of anti-viral compounds that are effective against smallpox, one of the deadliest of human diseases.A report on the research by two teams of scientists from the Massa...

Researchers discover common cause for aging and age-related disease

...ptible to so many diseases has been a fundamental, unsolved problem in biology. Our findings suggest a beautiful molecular explanation, at least for this protein-aggregation disease. "By preventing damaged and unfolded proteins from aggregating, this one set of proteins may be able to stave off both aging and...

Iowa City chemist wins national award for drug research

...rin piqued Linhardt's interest 20 years ago as "an unsolved mystery of nature," he said. The drug is not one carbohydrate but a collection of millions, and researchers knew little about their specific structures, activities and roles in the body. He decided to study them and, by doing so, try to make a simple...

Researchers help trace origin of Madagascars mammals

...ue biota got to the island is "one of the greatest unsolved mysteries of natural history, for the simple reason that the Malagasy fossil record is virtually non-existent for the last 65 million years," says David Krause, Professor of anatomical sciences at State University of New York at Stony Brook. "The dis...

Algorithm predicts interactions between proteins whose structures are unsolved

...interactions between proteins whose structures are unsolved has been developed by Jeffrey Skolnick, Ph.D., University at Buffalo Distinguished Professor and director of the Center of Excellence in Bioinformatics. The research is published in today's (Nov. 15, 2002) issue of Proteins. Called MULTIPROSPECTOR...

Scientists identify a gene causing a fatal heart condition, common in an Israeli Bedouin tribe

...ed genes may lie behind a number of as yet largely unsolved heart disorders. The team found that the disease is caused by a mutation in the gene known as Calsequestrin 2 (CASQ2), which plays a vital role in the contraction and relaxation of the heart. The mutation impairs the ability of the CASQ2 protein t...

International research group led by UMass scientist sequences genome of ubiquitous microbe

...ium should contribute toward some of the greatest unsolved mysteries of biology today, including our understanding of evolution as well as of the fundamental life process in higher cells," says DasSarma. "There is a tremendous genetic resource in the genomes of microorganisms. In fact, it is one of the last,...

Fred Hutchinson Cancer Research Center to lead international team to accelerate investigation of immune-related genes

...yte antigen (HLA) gene complex holds clues to many unsolved medical questions: why do transplants sometimes fail despite close donor-recipient matches? What makes certain people more susceptible to specific diseases? Why do vaccines protect some individuals better than others? In search of the answers, the ...

NIGMS awards 'Glue Grant' to create virtual cell

... groups of scientists pursuing some of the biggest unsolved problems in biomedicine today, the National Institute of General Medical Sciences has provided $5 million for the first of five years to a consortium of basic scientists called the Alliance for Cellular Signaling (AFCS). NIGMS anticipates spending a...

Cloning reverses aging in cow cells, Scienceauthors say

...lifespan for the animals themselves. Despite these unsolved mysteries, the finding erases a lingering doubt about the utility of cloned cells by demonstrating that the process doesn't automatically rob cells of a normal lifespan. In fact, say Lanza and colleagues, cloning could supply a crop of youthful cells...

NY pilot study pushes Human Genome Project toward cures for disease

...even provide the means to address one of the great unsolved problems in molecular biologythe relationship between one-dimensional sequence information (the order of amino acids in a protein) and three-dimensional structure (the folds of the complete protein). Rockefeller is renowned for its tradition of foste...

ASU scientists probe salamander mysteries

...rus is spread from one site to another is still an unsolved mystery. Ponds in a single region may be too distant for salamanders to make the trek, virus in tow. And a promenade from Arizona to Saskatchewan is out of the question. Davidson likes an idea suggested by doctoral student Danna Schock. Schock disco...

Why muscle strength seeps away: a new cause for muscular dystrophy

...arious databases of the internet like pieces of an unsolved huge jigsaw puzzle. In the end he was convinced of having identified one little mosaik piece for which six of the eight children had inherited two bad copies from their parents. The predicted alteration of the mosaik piece was subsequently verifie...

Chemistry leaders expect longer lives, less pollution in the future

... unresolved mysteries. "One of the most important unsolved scientific problems that chemistry should play a central role in is the origin of life," says Shohei Inoue, president of the Chemical Society of Japan and professor of chemistry at the Science University of Tokyo. Nobel Laureate Jerome Karle of the ...

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