Navigation Links
Our daily bread

Bread wheat (Triticum aestivum L.) is the most widely cultivated cereal crop in the world and provides 20 percent of the food calories consumed by humans. A polyploid species, hexaploid bread wheat contains six duplicated copies of its genome and is more than five times larger than the human genome. This makes genome research in wheat particularly difficult.

Dr. Klaus Mayer, Head of the Research Unit Plant Genome and Systems Biology at HMGU, in collaboration with his colleagues Matthias Pfeifer, Dr. Karl Kugler and Manuel Spannagl, succeeded in gaining insights into complex gene-regulatory interactions: for example, how genes can be transcribed at different stages of grain development. "Our studies help us to understand how a polyploid genome is regulated and orchestrated. It revealed that for different purposes different sub-genomes are favored and used. This will have impact on future breeding, agricultural cultivation and industrial properties of bread wheat," Mayer says.

Understanding as a basis for breeding

The highly specific intra- and inter-chromosomal activities of bread wheat enable it to adapt to the environment in many different possible ways. "The better we understand the organization, function and evolution of the large polyploid genome, the more easily we can identify the genes that are important for breeding," explains Mayer. "This will make it possible to breed the most suitable plant for different locations."

Long evolutionary history many opportunities for development

The scientists can now trace a common ancestor of the wheat types "A" and "B" back to about seven million years. From this another third type ("D") evolved one to two million years later. "We have discovered that the present-day bread wheat genome is the result from a series of polyploidisation and hybridization events during the evolution of wheat. That is why we must understand it as a multilevel phylogenetic mosaic," explains Mayer.

"The newly gained insights into the biology of the bread wheat genome will enable us to isolate genes faster and speed up the development of genetic markers for breeding. These are the building blocks that will enable us to successfully meet the challenge of satisfying the world's growing demand for food at a time of stagnating yields, plant diseases and climate change," Mayer says.


Contact: Klaus Mayer
Helmholtz Zentrum Mnchen - German Research Center for Environmental Health

Related medicine news :

1. Most Kids Eat Fruit, Veggies Daily: CDC
2. Individual brain activity predicts tendency to succumb to daily temptations
3. Long-term daily multivitamin supplement use decreases cataract risk in men
4. Daily walk of just 3km can reduce risk of hospitalization for respiratory problems
5. Daily Multivitamin Without Iron Available on Amazon From EverSun Health Helps People Fight Sickness During Flu Season
6. Onnit Releases All-In-One Daily Greens Drink Mix
7. Daily Low-dose Aspirin Can Prevent Heart Attack and Stroke But is Often Misused, from the January 2014 Harvard Heart Letter
8. LA BioMed study finds daily antibiotics most effective in preventing recurrent urinary tract infection
9. New Study Shows That Vitamin E May Benefit Alzheimer's Patients in Daily Activities and Savings In CareGiver Time
10. “Tips On How To Handle Difficult People,” A New Article on Vkool.Com, Gives Readers Ways to Improve Their Daily Relationships - V-kool
11. Omega Daily - The Natural Health Supplement Now Offers an Extra Discount on All Orders as a New Year Special at
Post Your Comments:
(Date:11/28/2015)... ... November 28, 2015 , ... Safe storage for contraceptive ... two inventors, one from Lakewood, New Jersey and the other from Bradley Beach, New ... PROTECTOR to save the expense of having to replace NuvaRings more often than necessary. ...
(Date:11/27/2015)... , ... November 28, 2015 , ... There is only ... outperform our billings from last year? , This question has not been an easy ... coming to the retirement age and the younger workforce don’t share the same discipline ...
(Date:11/27/2015)... ... November 27, 2015 , ... The rapid speed at which ... age, more care is needed, especially with Alzheimer’s, dementia and other cognitive conditions ... overworked. The forgotten part of this equation: 80 percent of medical care occurs ...
(Date:11/27/2015)... ... November 27, 2015 , ... Lizzie’s Lice Pickers just announced a special ... 10% off of their purchase of lice treatment product. In addition, customers will receive ... a company spokesperson. “Finding lice is a sure way to ruin the holidays, so ...
(Date:11/27/2015)... (PRWEB) , ... November 27, 2015 , ... ... motto of progress through sharing, the 2016 Building Better Radiology Marketing Programs ... conference will begin on Sunday, March 6, 2016, at Caesars Palace in Las ...
Breaking Medicine News(10 mins):
(Date:11/26/2015)... North Carolina , 26 november 2015 ... Inc. (AAIPharma/CML) kondigt de geplande investering aan ... uitbreiding van de laboratoria en het mondiale ... . De uitbreiding zal resulteren in extra ... wordt voldaan aan de groeiende behoeften van ...
(Date:11/26/2015)... , Nederland, November 26, 2015 ... Een nieuwe aanpak combineert immunotherapie met ... kanker. ) ...      (Photo: ) ... Leids Universitair Medisch Centrum (LUMC) ...
(Date:11/26/2015)... 26, 2015 Research and Markets ( ) ... Pacemaker Market Outlook to 2019 - Rise in Cardiac Disorders ... report to their offering. Boston ... Boston scientific and others. --> ... Biotronik, Boston scientific and others. ...
Breaking Medicine Technology: