Navigation Links
Discovering the bigger picture in chromosomes
Date:7/6/2011

e expressed the same pattern as the genome from a species of maize, sorghum, fruit fly, dog, chimpanzee, etc.

In order to reach these findings, though, the team started by comparing various genomes of species from multiple organisms, looking for similarities. The genomes selected were from eukaryotes; prokaryotes -- organisms like bacteria that contain no cell nucleus; vertebrates -- organisms with a spine; invertebrates -- organisms without a spine, such as insects; vascular plants -- plants that can transport food and material throughout their tissue; and unicellular organisms.

From there the team looked specifically at the chromosomes of 68 random eukaryote genomes. This amounted to observing 886 chromosomes, 22 of which were human autosomes -- any chromosome other than a sex chromosome. The sex chromosomes of each species were omitted because of their vastly different evolutionary history from other chromosomes, Yu said.

The researchers placed each fully sequenced eukaryote genome onto an X-Y axis, hoping to find similarities between the various organisms. To help generalize the vast amount of information, the X-Y axis graph was standardized with each species.

"It eliminated a scale effect and made it possible to compare a species with several dozen chromosomes to a species with much fewer chromosomes," said Xianran Li, research associate in agronomy.

That's when the team noticed the shockingly consistent distribution pattern.

"We could not believe this the first time the plot was generated," said Chengsong Zhu, research associate in agronomy.

The only genomes that deviated from forming an S-curve were that of the platypus -- an organism that contains characteristics of birds, reptiles, mammals, amphibians and fish -- and those of birds. Birds are unique because in addition to their usual chromosome sequences, they contain one additional set of minichromosome sequences, according to Zhongwei Lin, res
'/>"/>

Contact: Jianming Yu
jyu@k-state.edu
785-532-6094
Kansas State University
Source:Eurekalert

0

GOOD

Page: 1 2 3

Related biology news :

1. Discovering lost salmon at sea
2. Rediscovering sound soil management
3. Discovering new tools for nanoscience
4. Discovering soybean plants resistant to aphids and a new aphid
5. Discovering the secret code behind photosynthesis
6. Discovering drugs, biofuels in tropical seas
7. Small insects attacks and kill amphibians much bigger than themselves
8. Evolution drives many plants and animals to be bigger, faster
9. The bigger the animal, the stiffer the shoes
10. Better food makes high-latitude animals bigger
11. When it comes to fish families, the bigger and bossier the better
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/21/2013)... ANN ARBORThe new University of Michigan Water Center ... to support Great Lakes restoration and protection efforts. ... will support diverse projects, including efforts to track ... effectiveness of techniques to control non-native weedy plant ... and monitor fish responses to restoration activities. , ...
(Date:5/21/2013)... world,s largest scientific society, invites news media coverage ... 8-12, 2013, in Indianapolis, Ind. It will take ... area hotels. , With more than 7,100 presentations ... from astronomy to zoology ― the meeting will ... assortment of spot news and feature possibilities. The ...
(Date:5/21/2013)... May 21, 2013 Royal Philips Electronics (NYSE: ... world,s first portable ultrasound with Philips, industry leading Live ... The CX50 xMATRIX with available Live 3D TEE and ... at the EuroPCR, official meeting for the European ... Since its launch in 2012, Philips CX50 xMATRIX ...
Breaking Biology News(10 mins):U-M Water Center awards $570K in Great Lakes restoration grants 2U-M Water Center awards $570K in Great Lakes restoration grants 3U-M Water Center awards $570K in Great Lakes restoration grants 4Philips CX50 xMATRIX now offers world-class interventional and diagnostic features on single portable system 2
... forests in lowland areas of Mediterranean mountains could expand by up ... that are more adapted to cold and humid conditions, such as ... scenarios could be quite possible in the 21st century according to ... the forests of the Sistema Central and the Sistema Ibrico (Spain). ...
... and research institutions, and other stakeholders have joined together ... for food and agriculture. This initiative represents one of ... in support of science for food and agriculture. ... Joint Select Committee on Deficit Reduction (the "super committee") ...
... among the most threatened creatures on earth, with some 40 ... primary threats is a rapidly spreading disease that attacks the ... been a key factor in the extinctions of many species ... of biological sciences in the College of Science at Virginia ...
Cached Biology News:Holm oaks will gain ground in northern forests due to climate change 21,200 speak up for Federal research funding for Food and Agriculture 2Research team explores how microbial diversity defends against disease 2Research team explores how microbial diversity defends against disease 3
(Date:5/21/2013)... PALM BEACH, Fla. , May 21, 2013 ... (NYSE: FCN ), the global business ... enhance their enterprise value (the "Company"), announced that ... focused personnel that were formerly included within the ... and Litigation Consulting segment to form a single ...
(Date:5/21/2013)... 2013 Alpha Source, Inc., a ... be exhibiting for the 13th consecutive year at ... (AAMI) 2013 Conference and Expo. The conference brings ... manufacture healthcare technologies. This year’s event will be ... , The three-day event draws over 1,500 ...
(Date:5/21/2013)... 2013 According to a new ... ) "Biochip Products and Services Market (Microarrays, Reagents, Drug ... Size, Share, Growth, Trends and Forecast, 2012 - 2018," the market was ... expected to grow at a CAGR of 10.1% from ... USD 4.7 billion in 2018. Browse the ...
(Date:5/21/2013)... Biologics, Inc. (NYSE MKT: SYN), a developer of biologics focused ... today that Jeffrey Riley , CEO, will ... Conference on Thursday, May 30, 2013 in New ... Riley is scheduled to present at 10:00 a.m. (Eastern Time). ... be accessed by logging onto the web at http://wsw.com/webcast/marcum/syn/ ...
Breaking Biology Technology:FTI Consulting Releases Realigned Segment Information Reflecting Newly Combined Health Solutions Practice 2Alpha Source, Inc. to Exhibit at the AAMI 2013 Conference and Expo 2The U.S. Biochip Products and Services Market is Expected to Reach USD 4.7 Billion in 2018: Transparency Market Research 2The U.S. Biochip Products and Services Market is Expected to Reach USD 4.7 Billion in 2018: Transparency Market Research 3The U.S. Biochip Products and Services Market is Expected to Reach USD 4.7 Billion in 2018: Transparency Market Research 4The U.S. Biochip Products and Services Market is Expected to Reach USD 4.7 Billion in 2018: Transparency Market Research 5Synthetic Biologics to Present at the 2nd Annual Marcum LLP MicroCap Conference 2
... The University of Wisconsin-Madison Department of Educational Psychology has ... Distributed Learning Co-Lab to create new worlds in ... , ,"The Department's Learning Sciences Program studies ... , professor in UW-Madison's School of Education. "We have ...
... , a supplier of premium tools for proteomics and ... strategic partnership with The Automation Partnership (TAP), ... applications. , ,This partnership is designed to enable ... on the Piccolo system, TAP's fully automated system for ...
... the greatest obstacles in taking care of a patient ... Patient histories and care instructions are often long and ... involved, more levels of complication develop. To many, a ... like a Holy Grail, a treasure for doctors and ...
Cached Biology Technology:University of Wisconsin team creates learning games 2University of Wisconsin team creates learning games 3EMD Biosciences partners with European biotech company 2Human factors and IT: Designing for patient safety 2Human factors and IT: Designing for patient safety 3
When added to StemSep T Cell Enrichment cocktail, human TCRab TAC is designed to deplete human TCRab from samples to isolate gd T cells....
When added to either StemSep CD4+ or CD8+ T Cell Enrichment cocktails, human CD45RA TAC is designed to deplete human CD45RA from samples to isolate memory CD4+ or CD8+ T cells....
... software, a multitasking application capable of dynamic ... and operation of lab automation workcells easy ... custom modification by programmers. • ... drag-anddrop flowchart. If you can build a ...
No-Weigh Dithiothreitol (DTT) ,7.7 mg DTT/Tube x 48 tubes...
Biology Products: