Tag: "genome" at biology news

Researchers Announce Breakthrough In Transgenic Animal Technology

...nsposons, are known to jump to newlocations in the genome (the cell's hereditary material) and bring about changesin the genome that confer selective advantage. The experimental introduction of genes by a vector - which is stru...

International Genome Team Deciphers Genetic Instructions For A Complete Animal

...rding to theScience report, analysis of the worm's genome revealed 19,099 protein-codinggenes-about one ever...plan to operate our sequencing program onthe human genome and other model organisms." In recent years, as the worm sequencers hit their stride, a fe...

Science Announces Top Ten Research Advances Of 1998

...he sequencing of several microbial genomes and the genome of C.elegans reached completion this year. The tin...ide variety of biological research topics, and its genome isthe first from a multi-cellular animal to be sequenced. The genetic informationwill allow research...

Fat In Spite Of Hard Farm Work - Tracking Down Obesity

...already shown that individual changes in the mouse genome cancause obesity. This discovery suggests that als...st suitable subjects which she is now subjectingto genome analysis. She hopes that the results will provide information on theloci involved in the genetic cau...

Hopkins Scientists' Sequencing Of AIDS Virus From India Waves A Red Flag For Vaccine Developers

...nd in India report they have sequenced thecomplete genome of a form of HIV, the AIDS virus, from that country for thefirst time. The work has revealed unexpected variation in genes for one keypart of the virus, prompting the researchers to suggest that currently favoredapproaches to vaccine development may...

National USDA Center For Food Gene Data

...can use computers to look forsimilar structures in genome databases of plants, humans, mice and other lifeforms. Similar structure often connotes similar function, and now it will takescientists less time to learn how a gene performs. Once a gene's function, suchas disease resistance, is identified, biote...

A New Encyclopedia Of Mouse Genes

...a valuable tool for interpreting and comparing the genome sequences ofmouse and human as vast stretches of c...ide the wholepicture. "What you need in the end is genome sequence," Marra says. "But whenyou have genome sequence, ESTs aid massively in analyzing the struct...

An Expedition Of Genetic Proportions Leads Duke Researcher To A New Culprit In Lung Cancer Metastasis

DURHAM, N.C. -- Mapping the human genome isn't his job, but Dr. Gerold Bepler, aresearcher at Duke University Medical Center, has tackled part of it anyway. Hesought an unknown gene on human chromosome 11 that might be involved in lungcancer, the leading cause of cancer death in both men a...

UD Valentine Science: Cell "Dating" Habits May Promise Healthier Hearts

...lize thegene that expresses PAM-1 within the human genome and in the mouse, an excellentmodel organ system. "Once we find where the gene resides," DeLeon says, "then we can begin to askwhether any disease that might be expected for an alteration of the gene islinked to the same region. Most of these adhesiv...

Scientists Discover Key Cog In Receptor That Governs Ripening

...ves those who studygenes in animals. Combing plant genome databases, Bleecker's team discovered a similar gene existsin a strain of blue-green algae, Synechocystis, a member of a class of organismsthat are among the oldest known. Fossil evidence for such primitivephotosynthetic bacteria places them on Earth...

Susceptibility Genes For Nicotine Addiction

Susceptibility genes for nicotine dependence: a genome scan and follow-up in anindependent sample suggest... involvedhave yet been conclusively identified. A genome scan was conducted to identifychromosomal regions linked to nicotine dependence in a collection of 1...

Scientists Study Protein's Role In Tumor Development In Fish

...d uses theenzyme reverse transcriptase to copy its genome into the DNA, which thenintegrates into the host cell's chromosomes. Retroviruses usually have threecore genes, responsible for encoding viral enzymes and all viral structuralproteins. But when researchers dissected the genomic structure of these thr...

Genetic Stowaways May Contribute To Evolutionary Change: Adjacent Sequences Tag Along With Mobile DNA Elements, Study Shows

... DNAable to copy themselves from one region of the genome to another -- are able topick up flanking genetic ...eted genes. Because the total fractionof the human genome estimated to be functioning genes is only about 15 percent,this finding suggests little or no bias a...

Whitehead Receives $7 million NIH Grant To Build High-Speed Sequencing Machines

...an Genome Research Institute to develop chip-based genome sequencing machines that can sequence 7 million DN...ead scientists. Slated for introduction into NIH genome laboratories in three years, thesemachines will accelerate the U.S. Human Genome Project's efforts t...

Whitehead Receives $35 Million Grant From National Human Genome Research Institute (NHGRI)

...mpletion of the pilotphase of sequencing the human genome and the start of the large-scale effort toread all... they will produce at least 90percent of the human genome sequence in a "working draft" form by the spring of2000, considerably earlier than expected. The fi...

Emory University Scientists Demonstrate New Pathway For Genetic Mutations In Everyday Cell Life

...re exposed to environmental agents that damage the genome or even thecells' own processes that spontaneously change the DNA." In order to demonstrate that the uracil substitution could occur in vivo(within live organisms) as well as in vitro (in a test tube), the Emoryscientists used the protein l...

UCSF Scientists Report On A Transcription Factor That Could Stimulate Heart Cells To Repair Damage Caused By Heart Attacks Or Birth Defects

...ts on work to identify specific sites on the human genome where thetranscription factor may bind. "Once we ...d during synthesis, protecting the integrityof the genome by turning off cell division until the damage can be repaired. Also, hCdc5 and similar proteins may...

New Way To Modify Mammalian Genes: Honolulu Transgenesis

...sh 'green gene' DNA was incorporated into themouse genome if the mouse appeared green when illuminated by ultraviolet light. The 'green gene' is just a marker to indicate that the technique works, saysPerry. "We hope and believe that the technique will be useful in medicalresearch and in development of xeno...

Building detailed map of human DNA will take more time and resources than previously thought, says Hutch researcher

.... "Having a more finely tuned outline of the human genome in hand ultimately willshed light on what makes ea...n 1995 unveiledthe first detailed map of the human genome - a feat that catapulted the $1billion, 15-year Human Genome Project ahead of schedule by at least t...

Nematode makes scientific history

...nce that theycompleted the sequencing of the whole genome of the tiny soil-dwelling,free-living nematode Cae...from." The completion of sequencing the C. elegans genome is also significant from thepoint of view that it is the first complete sequence of a multicellularo...

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