Category: Genetics
10 April 1998
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ScienceNOW(Science - AAAS)
Genes Reveal Upwardly Mobile Hindu Women
SALT LAKE CITY--Although outlawed in the 1960s, the Hindu caste system constrained the marriage choices of Indians for 3000 years. This rigid social system has left a clear mark on...
8 April 1998
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ScienceNOW(Science - AAAS)
Drug Giant Creates Genomics Institute
Most drug companies seeking to apply the wealth of data on the human genome to the hunt for new drugs have turned to specialized start-up companies for help (Science, 7...
8 April 1998
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ScienceNOW(Science - AAAS)
Gene Hikes Risk of Osteoporosis
Women who have certain versions of a gene that helps make the protein collagen are likely to have weaker than normal bones--and a higher risk of fractures--after they reach menopause....
8 April 1998
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ScienceNOW(Science - AAAS)
Jumbo Gene Offers Clue to Parkinson's
Scientists have discovered a massive gene that, when mutated, causes a rare condition similar to Parkinson's disease. Although the finding--reported in tomorrow's issue of Nature--won't resolve a long-running debate over...
3 April 1998
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ScienceNOW(Science - AAAS)
p53 Protein Broken? Break It Again
A genetic mutation usually leads to crippled and misfolded proteins, but in rare instances an additional mutation can bring a protein back to life. Now researchers have discovered a mutation...
2 April 1998
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ScienceNOW(Science - AAAS)
Gene Helps Plants Weather Cold
Scientists have engineered a small mustardlike plant to withstand the damaging effects of freezing temperatures. The feat, reported in tomorrow's issue of Science, might someday allow farmers to rest easy...
1 April 1998
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ScienceNOW(Science - AAAS)
First Working Bionic Cell
In the 1970s TV drama "The Six Million Dollar Man," the show's opening credits feature a team of scientists creating artificial limbs and an eye that, unlike today's prosthetic devices,...
1 April 1998
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ScienceNOW(Science - AAAS)
Inbreeding's Kiss of Death
Scientists have found a strong link between inbreeding--mating with first cousins and other close kin--and whether a small, isolated butterfly population went extinct. The finding, reported in tomorrow's Nature, bolsters...
31 March 1998
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ScienceNOW(Science - AAAS)
Gene Therapy for Mosquitoes
Like flying syringes, mosquitoes excel at pricking your skin and drawing blood. But some species also inadvertently spread diseases, like malaria. Now researchers have taken an important step toward genetically...
30 March 1998
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ScienceNOW(Science - AAAS)
Killer Bees Bare Their Genes
Researchers have located regions in the DNA of bees that appear to harbor one or more genes that make so-called "killer bees" so aggressive. But experts say the finding, reported...
26 March 1998
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ScienceNOW(Science - AAAS)
Keeping Genes Out of Pollen
Researchers have found a way to stick a gene into tobacco plants that protects them against a herbicide, with little risk of the foreign gene spreading to neighboring weeds. The...
20 March 1998
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ScienceNOW(Science - AAAS)
The Chromosome That Got Away
Mathematically, tumors should not exist: In theory, cells do not mutate fast enough to overcome the genetic checks and balances that prevent damaged cells from reproducing out of control. Now,...
19 March 1998
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ScienceNOW(Science - AAAS)
Gene Linked to Heart Spasms
Scientists have found a gene that predisposes some people to potentially fatal heart spasms. The discovery, reported in today's issue of Nature, could lead to a genetic test and perhaps...
13 March 1998
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ScienceNOW(Science - AAAS)
A Gene That Builds Strong Bones
Researchers in North Carolina believe they have linked a mutation carried by descendants of a Scottish sea captain to an extremely rare genetic disorder that makes bone iron-hard but weakens...
11 March 1998
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ScienceNOW(Science - AAAS)
Sequencers Endorse Immediate Data Access
What's right for humans is also right for microbes: A group of top genome researchers has agreed that everyone sequencing genomes should follow the example set by those decoding the...
10 March 1998
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ScienceNOW(Science - AAAS)
Fat Hormone Needed for Puberty
Scientists have the first solid evidence that leptin--the hormone famous for making fat mice thin--also affects sexual development in humans. In a remote Turkish village, researchers have located a family...
5 March 1998
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ScienceNOW(Science - AAAS)
New Muscle Bred in the Bone
Molecular and developmental biologists have discovered a potentially useful source of replacement muscle for people suffering from muscular dystrophy. As reported in today's issue of Science, experiments in mice show...
3 March 1998
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ScienceNOW(Science - AAAS)
Dutch Pull the Plug on Cow Cloning
AMSTERDAM--In an unprecedented move, the Dutch minister of agriculture has put a stop to cloning experiments carried out by Pharming, a company based in Leiden, the Netherlands, that specializes in...
27 February 1998
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ScienceNOW(Science - AAAS)
Parkinson's, Part II
Scientists have found a second genetic link to Parkinson's disease (PD). The discovery, described in the March Nature Genetics, strengthens the theory that genes play a role in the neurodegenerative...
26 February 1998
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ScienceNOW(Science - AAAS)
Herpes's Blinding Deceit
A strain of herpesvirus may use a kind of molecular mirror to sabotage cells in the eye, resulting in a common autoimmune disease that can lead to blindness. The finding,...
23 February 1998
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ScienceNOW(Science - AAAS)
Dyes, Planets, and Peas
Editor's Note: Today we revisit three ScienceThens, first posted last year. A Discovery to Dye For Tuesday, 24 February: Today is the birthday of Carl Graebe, a German organic chemist...
20 February 1998
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ScienceNOW(Science - AAAS)
New Appetite-Boosting Peptides Discovered in Rats
Researchers have discovered a potential new target for appetite-altering drugs. In today's issue of Cell, a team led by Masashi Yanagisawa of the University of Texas Southwestern Medical Center in...
17 February 1998
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ScienceNOW(Science - AAAS)
Tugging at a Cell's Heartstrings
PHILADELPHIA--Researchers have observed cells hastily setting up factories for producing proteins when the surface of the cell is pulled or twisted. The findings, reported Friday evening at the annual meeting...
12 February 1998
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ScienceNOW(Science - AAAS)
Figs Like to Go the Distance
Long a symbol of life and fertility in Eastern cultures, the fig tree has now shown that its sexual prowess is tops in the plant kingdom, at least in one...
11 February 1998
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ScienceNOW(Science - AAAS)
Senators Stumble in Rush to Outlaw Cloning
WASHINGTON, D.C.--Fearing that a rogue scientist might try to clone humans, Senate leaders here today tried to close off debate and push through an anticloning bill drafted by Senator Kit...
5 February 1998
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ScienceNOW(Science - AAAS)
The Mouse That Lurched
A genetic defect that makes mice stagger does its damage by leading developing nerve cells astray. The finding, reported in the current issue of Development, gives researchers new clues to...
30 January 1998
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ScienceNOW(Science - AAAS)
First Cellulose Gene Found
An international team of scientists has identified and cloned the first gene known to control the production of cellulose--the most abundant organic compound on Earth. Cellulose fibers wrap around cells...
29 January 1998
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ScienceNOW(Science - AAAS)
First Baldness Gene Discovered
Scientists have identified a genetic mutation that causes a rare form of baldness. The finding, reported in tomorrow's issue of Science, indicates that the affected gene regulates hair growth, and...
28 January 1998
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ScienceNOW(Science - AAAS)
Hopkins's Genetic Database to Close
Buffeted by the shifting winds of human genome research, government officials have decided to close an 8-year-old collection of human gene maps maintained by Johns Hopkins University. The database has...
28 January 1998
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ScienceNOW(Science - AAAS)
Cell Anchor Shapes Memories
A protein famous for anchoring cells and helping them communicate is also crucial to the short-term memory of fruit flies. This surprising finding, reported in tomorrow's issue of Nature, suggests...
26 January 1998
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ScienceNOW(Science - AAAS)
Inflammation From Cellular Garbage Strike
Mutant mice that can't stop scratching themselves have led scientists to a gene--whimsically dubbed Itch--that helps control inflammation. The discovery, reported in next month's Nature Genetics, offers a surprising glimpse...
23 January 1998
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ScienceNOW(Science - AAAS)
Gene Clock Reset for First Animals
Animals may have sprung from the tree of life more than 300 million years later than a recent estimate suggests. According to a new analysis in the current issue of...
20 January 1998
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ScienceNOW(Science - AAAS)
Scientists Clone Cash Cows
BOSTON--Cows have been cloned from fetal cells for the first time, researchers announced here today at the annual meeting of the International Embryo Transfer Society. The new procedure may lead...
14 January 1998
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ScienceNOW(Science - AAAS)
An Eye for Good Genes
Why do bucks sport antlers, and other males equally extravagant but useless body parts? One theory holds that such traits are signs of genetic vigor; a peacock that can grow...
13 January 1998
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ScienceNOW(Science - AAAS)
Fountain of Cellular Youth
A team of researchers reported today that it has found a way to extend the lifetime of several types of cells. The studies, which used an enzyme called telomerase, also...
7 January 1998
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ScienceNOW(Science - AAAS)
Physicist Sets Out to Clone Humans
The cloning circus rolled into town again today with the news that a physicist plans to lead a drive to be the first to clone a human from an adult...
6 January 1998
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ScienceNOW(Science - AAAS)
Chromosomes Born of Broken DNA
We inherit our genes thanks partly to DNA "handles" called centromeres that help a cell gently pry apart pairs of chromosomes, allowing them to be passed on to a daughter...
5 January 1998
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ScienceNOW(Science - AAAS)
New Risk Factor for Alzheimer's
Researchers have identified a genetic variation that may triple a person's chances of developing Alzheimer's disease. The finding, reported by two research groups in this month's Nature Genetics, could lead...
31 December 1997
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ScienceNOW(Science - AAAS)
Drugs at Nature's Call
The birth of Dolly, the infamous Scottish cloned sheep, got a lot of ink earlier this year as commentators fretted about the implications for cloning people. But a more immediate...
30 December 1997
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ScienceNOW(Science - AAAS)
Epilepsy Genes Found
A team of researchers has pinpointed two genes that, when mutated, can each cause epilepsy in infants. Although these mutations are relatively rare, their discovery, reported in the January issue...
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