Navigation Links
Plant studies reveal how, where seeds store iron

Biologists have learned where and how some plant seeds store iron, a valuable discovery for scientists working to improve the iron content of plants. Their research helps address the worldwide problem of iron deficiency and malnutrition in humans.

The team found that iron is stored in the developing vascular system of the seed of Arabidopsis, a model plant used in research. In particular, iron is stored in the vacuole, a plant cell's central storage site. The researchers also learned this localization depends on a protein called VIT1, known to transport iron into the vacuole.

"Iron deficiency is the most common human nutritional disorder in the world today, afflicting more than 3 billion people worldwide," said Mary Lou Guerinot, a biologist at Dartmouth College in N.H. and the principal investigator on the study. "Most of these people rely on plants for their dietary iron, but plants are not high in iron, and the limited availability of iron in the soil can limit plant growth. Our study suggests that iron storage in the vacuole is a promising, and, before now, largely unexplored target for increasing the iron content of seeds. Such nutrient-rich seeds would benefit both human health and agricultural productivity."

The findings were published online in the Nov. 2, 2006, ScienceExpress, the advance publication site for the journal Science.

The researchers combined traditional mutant analysis (turning on and off the VIT1 protein) with a powerful X-ray imaging technique to create a map of where iron is localized in the seed. Guerinot was surprised by the finding because most studies on iron storage focus on another protein called ferritin.

"This project is a wonderful example of the power of using new combinations of tools--in this case, genetics and high-resolution 3-dimensional X-ray fluorescence imaging--to understand gene function," said Jane Silverthorne, a program director in NSF's Division of Biological Infrastructu
'"/>

Source:National Science Foundation


Page: 1 2

Related biology news :

1. Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants
2. Plants, animals share molecular growth mechanisms
3. Plants respond similarly to signals from friends, enemies
4. Affymetrix Unveils Plans to Double Plant and Animal Genome Microarray Offering
5. Plant hemoglobins: Oxygen handlers critical for nitrogen fixation
6. Plants defy Mendels inheritance laws, may prompt textbook changes
7. Whats really making you sick? Plant pathologists offer the science behind Sick Building Syndrome
8. Plant Sacrifices Cells to Fight Invaders
9. Breakthrough System for Understanding Ocean Plant Life Announced
10. Plant pathologists evaluate eco-friendly alternatives to methyl bromide
11. Study: Plants use dual defense system to fight pathogens
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Plant studies reveal how where seeds store iron

(Date:10/14/2014)... the planet,s leading questions is how to produce enough ... climate. The Food and Agriculture Organization of the United ... the next 40 years to feed a growing global ... necessary rise in food production. Plants—grains, cereals, fruits, ... livestock. Current research must tap into our knowledge ...
(Date:10/14/2014)... of fish oil supplements, rich in omega-3 fatty acids, do ... in which the heart can beat as fast as 150 ... by the Montreal Heart Institute were published in the ... 7th. , For the trial, 337 patients with atrial fibrillation ... grams of fish oil a day or to placebo for ...
(Date:10/14/2014)... led by researchers at the University of Massachusetts ... Miller School of Medicine (UMMSM) have identified what ... (manic depressive) disorder, a breakthrough that could lead ... as well as depression and other related mood ... week in Nature Molecular Psychiatry , show ...
Breaking Biology News(10 mins):Building a bridge from basic botany to applied agriculture 2Building a bridge from basic botany to applied agriculture 3Rare genetic disease protects against bipolar disorder 2Rare genetic disease protects against bipolar disorder 3
... Tropical forests reduce peak runoff during storms and release ... the Smithsonian Tropical Research Institute in Panama. Their results ... sponge effect, which is at the center of a ... water availability in the tropics. , During nearly 450 ...
... CORAL SPRINGS, Florida , December 18, 2013 ... and acquisitions: NXT-ID, Inc. (OTCQB: NXTD), Symantec Corporation (NASDAQ: ... ), Nuance Communications, Inc. (NASDAQ: NUAN ) and ... News:  NXT-ID Appoints Two Former MasterCard Executives to Its Newly ...
... Two Cedars-Sinai physician-researchers have been awarded grants totaling $4 million ... environment both in the womb and in the hospital ... and the mother. Pregnancies resulting from fertility treatments are ... defects and infant mortality. Approximately 2 percent of babies born ...
Cached Biology News:Tropical forests mitigate extreme weather events 2Markets Poised for Healthy 2014 as Biometrics Makes Strides in Technology Sector - Company Strengthens Board with Industry's Top Leaders 2Markets Poised for Healthy 2014 as Biometrics Makes Strides in Technology Sector - Company Strengthens Board with Industry's Top Leaders 3Markets Poised for Healthy 2014 as Biometrics Makes Strides in Technology Sector - Company Strengthens Board with Industry's Top Leaders 4Markets Poised for Healthy 2014 as Biometrics Makes Strides in Technology Sector - Company Strengthens Board with Industry's Top Leaders 5Markets Poised for Healthy 2014 as Biometrics Makes Strides in Technology Sector - Company Strengthens Board with Industry's Top Leaders 6Physicians awarded $4 million to study effects of fertility treatments and obstetric care 2Physicians awarded $4 million to study effects of fertility treatments and obstetric care 3
(Date:10/18/2014)... 18, 2014 The Asia-Pacific Liquid Crystal ... the concerned market in Asia-Pacific with analysis and forecast ... in 2013, and is expected to reach $380.0 million ... to 2018. , Browse through the TOC of the ... of the in-depth analysis provided. This also provides a ...
(Date:10/18/2014)... to a new market research report “Hydraulic Fracturing Market ... Forecasts up till 2017”, hydraulic fracturing market will grow ... expected to increase from $40 billion in 2012 to ... same period. North America is expected to lead the ... horse power supplied by the year 2011. , Make ...
(Date:10/17/2014)... engineering professors have received a $451,781 Air Force Office ... at the micro- and nano-scale level that will provide ... professor of Mechanical and Aerospace Engineering, said the new ... than taking X-rays of an aircraft,s wing., "We,ll be ... when we look at it on this scale," Huang ...
(Date:10/17/2014)... 2014 For the seventh consecutive ... published in today’s print issue of Science magazine. ... Employers Survey polled employees in the biotechnology, pharmaceutical ... employers. Rankings were determined based on responses ... their companies on 23 characteristics, including financial strength, ...
Breaking Biology Technology:The Asia-Pacific Liquid Crystal on Silicon (LCoS) display market is expected to reach $380.0 million by 2018 - New Report by MicroMarket Monitor 2The Asia-Pacific Liquid Crystal on Silicon (LCoS) display market is expected to reach $380.0 million by 2018 - New Report by MicroMarket Monitor 3Hydraulic Fracturing Market Projected To Reach $64 Billion by 2017 - New Report by MarketsandMarkets 2Hydraulic Fracturing Market Projected To Reach $64 Billion by 2017 - New Report by MarketsandMarkets 3Hydraulic Fracturing Market Projected To Reach $64 Billion by 2017 - New Report by MarketsandMarkets 4UT Arlington project to detect possible damages in aircraft parts early in process 2DuPont Named Top Employer by Science Magazine 2DuPont Named Top Employer by Science Magazine 3
... Gerresheimer AG, a,leading manu­facturer of glass and plastic products ... Plastics operations, which are not,part of the MDAX company,s core ... of the Technical Plastics segment Gerresheimer has,- as formerly announced ... core,business of pharma & life science," says Dr. Axel Herberg, ...
... , LONDON, June 30 VEGA PROMOTIONAL SYSTEMS, INC. (Pink ... consulting firm, Tennessee Power Company, Inc. to assist the Company ... , , Vega recently announced its intention to build ... abundance of biomass materials in the State,s Bioenergy Corridor. ...
... , LAKE FOREST, Ill., June 30 Hospira, Inc. ... and medication delivery company, today announced agreements with MedAssets ... a renewal of its agreement for infusion devices. The ... 2009, for I.V. solutions and equipment, and July 1, ...
Cached Biology Technology:Gerresheimer Sells Technical Plastics Business 2Vega Picks Tennessee Firm to Assist with Construction of Biomass Plant in Georgia 2Hospira Announces New Contract With MedAssets for Intravenous Solutions, Renewal of Infusion Devices Agreement 2
... offer an optional X-Ray Imaging Module ... conveniently capture and precisely co-register anatomical ... animals with molecular based imaging modalities, ... that are generated by optical and ...
...
... panels mounted on powder-coated steel ... free-standing modular cleanroom that meets ... Optional ceiling HEPA filter/fan units, ... to customer requirements. Negative-pressure ventilation, ...
... high-density serum biomarker chip to profile the ... antibody chip containing 120 human cancer serum ... biomarker discovery scientists to study panels of ... therapy and the likelihood of recurrence of ...
Biology Products: