Navigation Links
Scientists Find Rice Gene for Grain Size and Yield

Chinese scientists have identified and cloned a rice gene that influences rice grain weight and yield, which could help scientists develop// higher yielding varieties of the world's most important food crop.

Little is known about the genetic mechanisms that determine yield and seed weight in plants, despite tremendous efforts by agricultural scientists in the past decade.

In a study published this week (8 April) in Nature Genetics, lead author Lin Hongxuan and colleagues from the Shanghai Institutes for Biological Sciences, studied two varieties of rice with highly significant differences in grain size.

After mapping their genomes, they found a gene called GW2 in the large-grain rice that was lacking in the small-grain rice.

They then created a variety of the naturally small-grained rice with the GW2 gene, and found that the gene increased the width and weight of rice grains and increased grain yield per plant by nearly 20 per cent.

The high-yield variant had nearly the same cooking or eating quality as conventional rice, although the grains had a darker appearance.

The team say the GW2 gene will facilitate breeding efforts to improve grain yield in food crops. But they say further evidence is needed to support their finding.

"The increased output of single plants might be influenced by environmental factors, so our finding needs to be tested in the randomised blocks of plants in paddies," Lin told SciDev.Net.

He said the GW2 gene might affect grain size by regulating the cell division cycle.

Zhu Zhen, deputy director of the Bureau of Life Sciences and Biotechnology of the Chinese Academy of Sciences, praised the study, saying it would give breeders more alternatives to explore in the search for improved varieties of rice.

"In the process of developing new crop varieties, the discovery of important agronomical genes is very important," Zhu told SciDev.Net.

Source: Generef.com
'"/>




Related medicine news :

1. Scientists plan human cloning clinic in the United States
2. Scientists found ancient Human Germ Killer
3. Scientists locate key hormone involved in appetite control
4. Scientists open the book of life
5. Scientists review SARS
6. Scientists crack dengue fever puzzle
7. Scientists push to lower hidden sodium in food
8. Indian Scientists Make Wide-Ranging Analysis And Annotation Of X Chromosome
9. Scientists have found effective brain regions for deep brain stimulation for Parkinson’s
10. Scientists reveal the secrets of sarcasm
11. Scientists Unveil Mechanism Behind Resistance to Severe Malaria
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/24/2016)... Texas (PRWEB) , ... June 24, 2016 , ... ... International Conference and Scientific Sessions in Dallas that it will receive two significant ... of the grants came as PHA marked its 25th anniversary by recognizing patients, ...
(Date:6/24/2016)... ... June 24, 2016 , ... Dr. Amanda Cheng, an ... Cheng has extensive experience with all areas of orthodontics, including robotic Suresmile technology, ... , Micro-osteoperforation is a revolutionary adjunct to orthodontic treatment. It can be ...
(Date:6/24/2016)... (PRWEB) , ... June 24, 2016 , ... Topical BioMedics, Inc, makers of Topricin and ... that call for a minimum wage raise to $12 an hour by 2020 and then ... will restore the lost value of the minimum wage, assure the wage floor does not ...
(Date:6/24/2016)... ... June 24, 2016 , ... EB ... Decision Making in Emergency Medicine conference in Ponte Vedra Beach, FL. The awards ... in Emergency Medicine Practice and Pediatric Emergency Medicine Practice. , “With ...
(Date:6/24/2016)... , ... June 24, 2016 , ... ... The Grove Investment Group (TGIG), has initiated cultivation and processing operations at its ... Vegas and Pahrump, Nevada. , Puradigm is the manufacturer of a complete system ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... , June 24, 2016  Arkis BioSciences, ... less invasive and more durable cerebrospinal fluid treatments, ... funding.  The Series-A funding is led by Innova ... Fund, and other private investors.  Arkis, new financing ... instrumentation and the market release of its in-licensed ...
(Date:6/23/2016)... , June 23, 2016 Research and ... Global Market - Forecast to 2022" report to their ... treatment method for the patients with kidney failure, it replaces ... fluid from the patient,s blood and thus the treatment helps ... and chloride in balance. Increasing number of ...
(Date:6/23/2016)... June 23, 2016 Research and ... Excipients Market by Type (Organic Chemical (Sugar, Petrochemical, Glycerin), ... Topical, Coating, Parenteral) - Global Forecast to 2021" ... The global pharmaceutical excipients market is projected ... CAGR of 6.1% in the forecast period 2016 to ...
Breaking Medicine Technology: