Featured Research

from universities, journals, and other organizations

Dog Genome Published By Researchers At TIGR, TCAG

Date:
September 29, 2003
Source:
The Institute For Genomic Research
Summary:
Researchers at The Institute for Genomic Research (TIGR) and The Center for the Advancement of Genomics (TCAG) have sequenced and analyzed 1.5X coverage of the dog genome. The research asserts that a new method of genomic sequencing, partial shotgun sequencing, is a cost-effective and efficient method to sequence and analyze many more large eukaryotic genomes now that there are a number of reference genomes available with which to compare.

Researchers at The Institute for Genomic Research (TIGR) and The Center for the Advancement of Genomics (TCAG) have sequenced and analyzed 1.5X coverage of the dog genome.

Related Articles


The research, published in the September 26th issue of the journal Science, asserts that a new method of genomic sequencing, partial shotgun sequencing, is a cost-effective and efficient method to sequence and analyze many more large eukaryotic genomes now that there are a number of reference genomes available with which to compare. This important new study was funded by the J. Craig Venter Science Foundation.

The TIGR/TCAG team assembled 6.22 million sequences of dog DNA for nearly 80% coverage of the genome. Comparing the dog sequence data with current drafts of the human and mouse genome sequences showed that the dog lineage was the first to diverge from the common ancestor of the three species and that the human and dog are much more similar to each other at the genetic level than to the mouse. The group also identified 974,400 single nucleotide polymorphisms (SNPs) in the dog. These genetic variations are important in understanding the genes that contribute to diseases and traits among various breeds of dogs.

The dog genome sequencing project, led by Ewen Kirkness, Ph.D., investigator at TIGR, revealed that more than 25% or 650 million base pairs of DNA overlap between human and dog. The sequence data was used to identify an equivalent dog gene for 75% of known human genes. In addition to this core set of common genes, the sequence data has revealed several hundred gene families that have expanded or contracted since divergence of the dog lineage from our common ancestor. For example, the dog genome is predicted to encode a much greater diversity of olfactory receptors than we find in human - which may contribute to their keen sense of smell.

“In little more than a decade genomics has advanced greatly and we now have approximately 150 completed genomes, including the human, mouse and fruit fly, in the public domain,” said J. Craig Venter, Ph.D., president, TCAG. “With each sequenced genome the level of information gleaned through comparative genomics is invaluable to our understanding of human biology, evolution, and basic science research. Our new method is an efficient and effective way of sequencing that will allow more organisms to be analyzed while still providing significant information.”

Conservation of the dog and human genome sequences is not restricted to genes, but includes an equally large fraction of the genomes for which functions are not yet known. "Understanding why these sequences are so highly conserved in different species after millions of years of divergent evolution is now one of the most important challenges for mammalian biologists," says Kirkness.

The Institute for Genomic Research (TIGR), which sequenced the first complete genome of a free-living organism in 1995, is a not-for-profit research institute based in Rockville, Maryland. TIGR conducts research involving the structural, functional, and comparative analysis of genomes and gene products in viruses, bacteria, archaea, and eukaryotes.

The Center for the Advancement of Genomics (TCAG) is a not-for-profit genomics policy and research center dedicated to advancing science and medicine through education and enlightenment of the general public, elected officials, and students. TCAG will seek to better understand evolutionary issues, broad social and ethical issues such as race as a social concept rather than a scientific one, and combating genetic discrimination. TCAG will also focus on the public issues associated with biology/genomics in mitigating greenhouse gas concentrations and biological energy production. TCAG is a 501 (c) (3) organization.


Story Source:

The above story is based on materials provided by The Institute For Genomic Research. Note: Materials may be edited for content and length.


Cite This Page:

The Institute For Genomic Research. "Dog Genome Published By Researchers At TIGR, TCAG." ScienceDaily. ScienceDaily, 29 September 2003. <www.sciencedaily.com/releases/2003/09/030929060015.htm>.
The Institute For Genomic Research. (2003, September 29). Dog Genome Published By Researchers At TIGR, TCAG. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2003/09/030929060015.htm
The Institute For Genomic Research. "Dog Genome Published By Researchers At TIGR, TCAG." ScienceDaily. www.sciencedaily.com/releases/2003/09/030929060015.htm (accessed December 21, 2014).

Share This


More From ScienceDaily



More Plants & Animals News

Sunday, December 21, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Researchers Test Colombian Village With High Alzheimer's Rates

Researchers Test Colombian Village With High Alzheimer's Rates

AFP (Dec. 19, 2014) In Yarumal, a village in N. Colombia, Alzheimer's has ravaged a disproportionately large number of families. A genetic "curse" that may pave the way for research on how to treat the disease that claims a new victim every four seconds. Duration: 02:42 Video provided by AFP
Powered by NewsLook.com
Monarch Butterflies Descend Upon Mexican Forest During Annual Migration

Monarch Butterflies Descend Upon Mexican Forest During Annual Migration

Reuters - Light News Video Online (Dec. 19, 2014) Millions of monarch butterflies begin to descend onto Mexico as part of their annual migration south. Rough Cut (no reporter narration) Video provided by Reuters
Powered by NewsLook.com
The Best Protein-Filled Foods to Energize You for the New Year

The Best Protein-Filled Foods to Energize You for the New Year

Buzz60 (Dec. 19, 2014) The new year is coming and nothing will energize you more for 2015 than protein-filled foods. Fitness and nutrition expert John Basedow (@JohnBasedow) gives his favorite high protein foods that will help you build muscle, lose fat and have endless energy. Video provided by Buzz60
Powered by NewsLook.com
Birds Might Be Better Meteorologists Than Us

Birds Might Be Better Meteorologists Than Us

Newsy (Dec. 19, 2014) A new study suggests a certain type of bird was able to sense a tornado outbreak that moved through the U.S. a day before it hit. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins