Navigation Links
Gene Boosts Tomato's Color, But May Make It Less Tasty
Date:6/29/2012

FRIDAY, June 29 (HealthDay News) -- The gene mutation that makes a tomato uniformly red is the same trait that reduces its sweetness, researchers have found.

A team from the Boyce Thompson Institute (BTI) for Plant Research at Cornell University, the U.S. Department of Agriculture (USDA), and the University of California, Davis discovered that the mutation, which is found in most supermarket tomatoes, reduces the amount of sugar, carbohydrates and carotenoids in the fruit.

"Practically, it is a very important trait," one of the study's senior authors, James Giovannoni, a plant molecular biologist with BTI and the USDA Agricultural Research Service, said in a Cornell news release. "It's a gene that, whether you realize it or not, most of your tomatoes have." But this trait also cuts the tomatoes' levels of sugars and nutrients.

Naturally ripened tomatoes have uneven patches of darker green and different shades of red. In the 1920s, however, commercial breeders found a natural mutation in tomatoes that causes them to ripen evenly from one shade of green to one shade of red. This mutation, the researchers explained, is evident in most tomatoes sold in grocery stores.

In conducting the study, the scientists pinpointed the location of the "uniform-ripening" gene. Using this location, the researchers uncovered the gene coding for the protein that controls photosynthesis levels in tomatoes.

Although leaves are the primary site of photosynthesis in plants, the study authors pointed out that developing tomato fruit can contribute up to 20 percent of their own photosynthesis, producing high sugar and nutrient levels when fully ripe. The uniform-ripening mutation, however, removes this protein, which reduces the tomatoes' sugar levels, they found.

"This is an unintended consequence," noted Giovannoni. "Producers currently don't get a penny more for [flavor] quality."

Producers who care more about taste than appearance should ensure their plants are mutation free, the researchers suggested in the report published in the June 29 issue of the journal Science.

The study "is a rare chance to translate scientific findings to the real world," said Ann Powell, a research biochemist who led the UC Davis team's efforts on the research. "It provides a strategy to re-capture quality characteristics that had been unknowingly bred out of modern cultivated tomatoes," she noted in the news release.

More information

Cornell University has more about plant breeding and genetics.

-- Mary Elizabeth Dallas

SOURCE: Cornell University, news release, June 28, 2012


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Gatekeeper of brain steroid signals boosts emotional resilience to stress
2. Dessert With Breakfast Boosts Weight Loss: Study
3. Exercise Program Boosts Health After Lung Transplant: Study
4. The Science of Tasty Tomatoes Lies in the Chemicals
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Gene Boosts Tomato's Color, But May Make It Less Tasty
(Date:10/13/2017)... (PRWEB) , ... October 13, 2017 , ... Yisrayl Hawkins, ... week that explains one of the most popular and least understood books in the ... cryptic and puzzling descriptions that have baffled scholars for centuries. Many have tossed it ...
(Date:10/12/2017)... ... October 12, 2017 , ... ... healthcare compliance program management, will showcase a range of technology and learning solutions ... Living (NCAL) Convention and Expo to be held October 14–18, 2017 at the ...
(Date:10/12/2017)... ... 2017 , ... The American College of Medical Informatics (ACMI) will present the ... Opening Session of AMIA’s Annual Symposium in Washington, D.C. AMIA’s Annual Symposium ... a pioneer in the field of medical informatics, this prestigious award is presented to ...
(Date:10/12/2017)... ... October 12, 2017 , ... Leading pediatric oncology experts at Children’s National ... 49th Congress of the International Society of Paediatric Oncology (SIOP) Oct. 12-15. ... for Cancer and Blood Disorders at Children’s National, and Stephen P. Hunger, M.D., ...
(Date:10/12/2017)... ... October 12, 2017 , ... Vohra Chief Medical Officer Dr. ... colleagues, skilled nursing facility medical directors and other clinicians at various events in ... , "At many of these conferences we get to educate other physicians, facility ...
Breaking Medicine News(10 mins):
(Date:10/4/2017)... 2017  South Korean-based healthcare product Development Company I.M. ... on Kickstarter. The device will educate the user about ... better efficiency compared to the dated and pricey CPR ... efficacy of the compression for a more informed CPR ... to raise $5,000. ...
(Date:10/2/2017)... -- Diplomat Pharmacy, Inc. (NYSE: DPLO ) ... , and named its founder as Diplomat,s chief information ... Tennessee , will operate under Diplomat subsidiary Envoy ... for health care partners to include IT outsourcing, consulting, ... "In an interoperable world, technology delivers comprehensive insight and ...
(Date:10/2/2017)... -- Halo Labs announces the European launch of their new low ... MIBio 2017 in Cambridge, U.K on October ... biopharmaceutical samples with unprecedented speed and sensitivity while using far less ... Imaging. ... analysis system ...
Breaking Medicine Technology: