Navigation Links
Dartmouth researchers identify an important gene for a healthy, nutritious plant
Date:7/30/2008

Dartmouth researchers identify an important gene for a healthy, nutritious plant.

The research paper, published with colleagues from Colorado State University and the University of South Carolina, appeared in the early online edition of the Proceedings of the National Academy of Science during the week of July 21.

"There's a lot of attention today on global food shortages," says Mary Lou Guerinot, the principal investigator on the study and one of the authors of the paper. "We've found a gene that is key for proper chloroplast function. This finding might some day help scientists develop plants that grow better and can serve as more nutritious food."

During photosynthesis, chloroplasts are the subcellular compartment used by plant cells to convert light energy to sugars, fueling the plant. This process in the chloroplasts requires iron, and up to 90 percent of the iron in leaf cells is located in chloroplasts. In this study, Guerinot and her colleagues provide molecular evidence that FRO7, a gene in the FRO family, is involved in chloroplast iron acquisition and is required for efficient photosynthesis. The FRO family is a group of proteins that transfers electrons from ferric iron (Fe3+) to reduce it to another kind of iron (Fe2+). This same lab showed that this process (reduction of iron) was essential for plants to take up iron into the roots from the soil in a study published in 1999 in Nature.

"We have now shown that an analogous process is required for proper chloroplast function," says Guerinot. "Moreover, without FRO7, plants sown in iron deficient soil died as young seedlings. Our findings are of particular interest because how iron gets into chloroplasts has not been well understood despite the significance of iron in chloroplasts."

Guerinot explains that one-third of the soil worldwide is iron deficient, so it is important to understand how plants acquire iron, allocate iron to different parts of
'/>"/>

Contact: Sue Knapp
sue.knapp@dartmouth.edu
603-646-3661
Dartmouth College
Source:Eurekalert

Page: 1 2

Related biology news :

1. Dartmouth researchers discover gene signatures for scleroderma
2. Dartmouth researchers find the root of the evolutionary emergence of vertebrates
3. Dartmouth researchers alarmed by levels of mercury and arsenic in Chinese freshwater ecosystem
4. Dartmouth researchers show effects of low dose arsenic on development
5. Case Western Reserve University School of Medicine researchers receive $10.8 million
6. UCSF researchers identify virus behind mysterious parrot disease
7. Researchers discover cells quality control mechanism
8. Researchers analyze how new anti-MRSA abtibiotics function
9. Researchers tap into a new and potentially better source of platelets for transfusion
10. CMV infections affect more than just patients with compromised immune systems, researchers find
11. A new cellular pathway linked to cancer is identified by NYU researchers
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/29/2014)... PULLMAN, Wash. Scientists at Washington State University ... specifically, Granny Smith apples may help prevent ... be the first to assess these compounds in ... in October,s print edition of the journal ... apples are a good source of these nondigestible ...
(Date:9/29/2014)... have found compounds that boost liver detoxification enzymes nearly ... placethe crushed seeds left after oil extraction from an ... compounds in Camelina sativa seed, also known ... phytochemicals that work together synergistically far better than they ... supplement because its bioactive ingredients increase the liver,s ability ...
(Date:9/29/2014)... is often deemed inaccessible or esoteric. Yet in the ... in our daily lives and a decisive role in ... behind the scenes. , UC Santa Barbara,s Paul Atzberger, ... assistant professor of mechanical engineering, often works in areas ... research published in the Proceedings of the National ...
Breaking Biology News(10 mins):An apple a day could keep obesity away 2New way to detox? 'Gold of Pleasure' oilseed boosts liver detoxification enzymes 2At the interface of math and science 2At the interface of math and science 3At the interface of math and science 4
... institutions, led by Stanford University and Brown University, have ... federal funding to learn both how the brain and ... can be done to encourage recovery from injury. ... developing the neurotechnology to ultimately enable an entirely new ...
... find answers about ovarian cancer, researchers now have something to ... been using the chicken as a model to study this ... with flaxseed decreases severity of ovarian cancer and increases survival ... of alpha-linolenic acid, one type of omega-3 fatty acid. Several ...
... normally infect rodents, but they are also infectious for ... symptoms in humans. Most importantly, these viruses have an ... any damage to healthy tissue. Therefore, scientists in the ... German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) have been ...
Cached Biology News:New Stanford-led program aims to produce insights into brain injury, recovery 2New Stanford-led program aims to produce insights into brain injury, recovery 3Flaxseed-fed chickens shed light on ovarian cancer 2Flaxseed-fed chickens shed light on ovarian cancer 3Viruses against cancer 2Viruses against cancer 3
(Date:9/27/2014)... special section on single-photon detection, generation, and applications ... technologies with applications in areas as diverse as ... by providing more accurate measurement methods and new ... SPIE, the international society for optics and photonics, ... , The section appears in the August issue, ...
(Date:9/27/2014)... Texas at Dallas have created technology that could be ... sources or, more immediately, a smartphone that doesn,t die ... technology, published online in Nature Communications ... to control energy consumption inside transistors, which are at ... from the Erik Jonsson School of Engineering and Computer ...
(Date:9/26/2014)... , Sept. 26, 2014 China Cord Blood Corporation (NYSE: ... leading provider of cord blood collection, laboratory testing, hematopoietic ... the Company will hold its 2014 annual general meeting of shareholders ... Bank of China Tower, 1 Garden Road, Central, Hong ... 11, 2014 (8:00 a.m. U.S. Eastern Time on December 11, 2014). ...
(Date:9/26/2014)... Chester, NJ (PRWEB) September 26, 2014 ... of personal selling optimization technology and services for ... will present on Mobile Day at Digital Pharma ... October 21 at 10:30 a.m. , Steven Robinson, ... Director of Client Solutions, will be presenting “Test ...
Breaking Biology Technology:Single-photon detection, generation, and applications featured in Optical Engineering 2Single-photon detection, generation, and applications featured in Optical Engineering 3New UT Dallas technology may lead to prolonged power in mobile devices 2New UT Dallas technology may lead to prolonged power in mobile devices 3China Cord Blood Corporation to Hold Annual General Meeting in Hong Kong on December 11, 2014 2Pursuit to Present at Digital Pharma East 2
... CHARENTON-LE-PONT, France, January 10 Essilor,of America, Essilor ... in the United States with the acquisition,of Interstate ... independent,laboratories. Interstate,s two laboratories in Mansfield, Ohio and,Indianapolis, ... The,company has full-year sales of US$26 million and ...
... of,Maryland, Baltimore (UMB) BioPark today announced that Gliknik ... in the BioInnovation,Center, located in UMB BioPark,s Building ... for autoimmune diseases,and cancer, the foundation of which ... Professor and Chairman of the Department of,Otorhinolarynogology, University ...
... 9 Burrill Merchant Banking acted as,exclusive financial ... partnering of bilastine with the Menarini Group (Italy). ... bilastine rights in Europe,and other regions to Menarini ... is a new highly selective H1 antihistamine for ...
Cached Biology Technology:University of Maryland, Baltimore BioPark Signs Gliknik Inc. as First Tenant in Its BioInnovation Center in Building Two 2Burrill Merchant Banking Advises Faes Farma on Bilastine Licensing Agreement 2