HOME >> BIOLOGY >> NEWS
Chromosome centers defined and sequenced for model plant

The serendipitous discovery of a rare mutation and five years of concentrated effort have allowed a team of American and British researchers to define the centromeres of the five chromosomes of Arabidopsis thaliana, a flowering plant that has become the primary model for plant genetics. The centromere is the part of the chromosome that ensures each dividing cell inherits the correct DNA.

The findings, published in the December 24th issue of Science, represent the first time that scientists working with a multi-cellular organism have been able to identify the genetic boundaries of the centromeres -- which are resistant to standard gene mapping techniques -- and to unravel their DNA sequences.

"The centromere is perhaps the most important but also the most inaccessible and the least understood part of a chromosome," said Daphne Preuss, Ph.D., assistant professor of molecular genetics and cell biology at the University of Chicago and leader of the research team.

"Precise mapping of these crucial segments of DNA should shed light on the nature and behavior of chromosomes," said Preuss. "It could help define the centromeres in more complex organisms, boost plant genomics, and speed the development of artificial chromosomes for use in plant engineering," she added. "This now makes Arabidopsis the leading candidate for thorough sequencing of the entire genome in a higher organism."

The Arabidopsis Genome Project hopes to complete sequencing of the first full plant genome by the end of 2000. The sequences of chromosomes
'"/>


Contact: John Easton
jeaston@mcis.bsd.uchicago.edu
773-702-6241
University of Chicago Medical Center
23-Dec-1999


Page: 1 2 3 4

Related biology news :

1. Chromosome losses mean poor survival in childhood leukemia
2. Chromosome caps predict bone marrow disease
3. Gene-rich human Chromosome 19 sequence completed
4. Chromosomes are nibbled before they fuse, researchers report
5. Chromosome assessment could predict increased risk of death from age-related disease
6. Discovery: Chromosomes Found To End In Big Loops
7. UI Researchers Find Possible Genetic Link Between The X Chromosome And Ovarian Cancer
8. Counting X Chromosomes To Determine Sex
9. Genetic Code Of Chromosome Of Malaria Parasite Deciphered
10. Hopkins And International Team Maps First Major Cancer Gene To X Chromosome
11. UNC Scientists Succeed In Inserting Gene In Human Cells Via Artificial Chromosome

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Chromosome centers defined and sequenced for model plant

(Date:3/23/2015)... March 23, 2015   HOYOS Labs , a ... today announced that the Company will demonstrate multiple biometrics-based ... and consumers at Connect:ID on March 23 through 25, ... Labs will highlight the IEEE Biometric Open Protocol Standard; ... and enterprise access control system. BOPS was invented by ...
(Date:3/20/2015)... Conn. , March 20, 2015 NXT-ID, ... a biometric authentication company focused on the growing mobile ... smart wallet is one of the products featured in ... March 20th at 11:00 PM EST on the DIY ... to Las Vegas , site of ...
(Date:3/17/2015)... Emotient, the leader in facial expression ... availability of Emotient Analytics , the world,s ... facial expressions. The system analyzes videos of people ... services. It delivers audience response metrics - such ... derived from facial evidence of emotional states. Consumer ...
Breaking Biology News(10 mins):HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 2HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 3NXT-ID's Wocket Biometric Smart Wallet to Air on "I Want That" International CES Special 2NXT-ID's Wocket Biometric Smart Wallet to Air on "I Want That" International CES Special 3New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 2New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 3New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 4
(Date:3/31/2015)... (PRWEB) March 31, 2015 This June ... from the top U.S and International Medical Schools will ... latest research on the application of stem cell therapy ... symposium is organized and funded by the Ocular ... that has been convening intimate meetings of top experts ...
(Date:3/30/2015)... March 30, 2015 With recent advancements ... you the government, major companies are getting into the ... setting future mandates for renewable energy production, many homeowners ... , Solara Power is a new solar distribution company ... available that allow qualifying homeowners to enjoy the benefits ...
(Date:3/30/2015)... March 30, 2015  NuGene International, Inc. ("NuGene") ... NuGene BioPharma, Inc. has added another internationally recognized ... Guan is an internationally recognized researcher in bio-inspired ... education at Peking University, China ... the University of North Carolina, Chapel Hill. Following ...
(Date:3/30/2015)... A new national Labour Market Information (LMI) report was ... new graduates entering the biotech sector. The BioTalent Canada ... Grads in Biotech," is sponsored in part by ... features data collected from new graduates that participated in ... to 2015. Among the interesting trends that ...
Breaking Biology Technology:Sight Restoration Through Stem Cell Therapy - Subject of June Symposium of Experts 2Solara Power Announces Residential Solar Power with No Up-Front Fees 2UCI Professor Zhibin Guan Joins NuGene Advisory Board 2UCI Professor Zhibin Guan Joins NuGene Advisory Board 3New Report on Graduates in Canadian Biotech Industry Sheds Light on Hiring Practices 2New Report on Graduates in Canadian Biotech Industry Sheds Light on Hiring Practices 3New Report on Graduates in Canadian Biotech Industry Sheds Light on Hiring Practices 4
Cached News: