Navigation Links
Uncovering the mystery of a major threat to wheat
Date:6/1/2010

This press release is available in Spanish.

Agricultural Research Service (ARS) scientists have solved a longstanding mystery as to why a pathogen that threatens the world's wheat supply can be so adaptable, diverse and virulent. It is because the fungus that causes the wheat disease called stripe rust may use sexual recombination to adapt to resistant varieties of wheat.

ARS plant pathologist Yue Jin and his colleagues Les Szabo and Marty Carson at the agency's Cereal Disease Laboratory at St. Paul, Minn., have shown for the first time that stripe rust, caused by Puccinia striiformis, is capable of sexually reproducing on the leaves of an alternate host called barberry, a common ornamental. The fungus also goes through asexual mutation. But sexual recombination offers an advantage because it promotes rapid reshuffling of virulence gene combinations and produces a genetic mix more likely to pass along traits that improve the chances for survival.

Barberry (Berberis spp) is already controlled in areas where wheat is threatened by stem rust, caused by another fungal pathogen. But the work by the ARS team is expected to lead to better control of barberry in areas like the Pacific Northwest, where cool temperatures during most of the wheat growing season make stripe rust a particular threat.

The researchers suspended wheat straw infected with the stripe rust pathogen over barberry plants and found that fungal spores from the wheat infected the barberry. They also took infected barberry leaves, treated them to promote the release of spores, and exposed them to wheat. Tests confirmed that the wheat plants were infected within about 10 days.

The researchers began the study last year after finding infected leaves on barberry plants at two sites on the University of Minnesota campus. They initially thought the symptoms were a sign t
'/>"/>

Contact: Dennis O'Brien
Dennis.Obrien@ars.usda.gov
301-504-1624
United States Department of Agriculture-Research, Education, and Economics
Source:Eurekalert

Page: 1 2

Related biology news :

1. Uncovering secrets of life in the ocean
2. Uncovering the secrets of ulcer-causing bacteria
3. Uncovering lithiums mode of action
4. Scientists tackle mystery mountain illness
5. Folate mystery finally solved
6. Men shed light on the mystery of human longevity, study finds
7. Magnetic snakes control fluids, gravity-defying droplets, and solving a dragonfly mystery
8. Cassini on the trail of a runaway mystery
9. Time-sharing tropical birds key to evolutionary mystery
10. 480-million-year-old fossil sheds light on 150-year-old paleontological mystery
11. ASU professor helps solve mystery of glassy water
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/30/2014)... German . ... to behave socially? This is one of the central ... studies assumed that it is almost impossible to control ... Planck Institute for Evolutionary Biology have now demonstrated that ... cooperative behaviour of others. However, the possibilities available to ...
(Date:10/30/2014)... 29, 2014  Securus Technologies, a leading ... solutions for public safety, investigation, corrections and ... exciting enhancements to its THREADS™ product, which ... actionable intelligence and focused leads for investigators. ... technological innovation through identifying and delivering solutions ...
(Date:10/29/2014)... open for the Society of Interventional Radiology,s ... is the one place where interventional radiologists, ... care professionals can come together to find ... being presented, discussed and tested. , ... image-guided medicine, SIR 2015 will feature essential ...
Breaking Biology News(10 mins):Together we are strong -- or insufferable 2Together we are strong -- or insufferable 3Together we are strong -- or insufferable 4Securus Technologies Adds Advanced Features to Its Industry-Leading Investigative Analytics Product 2SIR 2015: Interventional radiology shapes tomorrow's medicine 2
... Tenn. Consider the case of the three-spine stickleback. ... fresh water might appear to be the same, yet ... collection of very specialized individuals. Understanding the ... the goal of a group of scientists meeting at ...
... Stephania Cormier, PhD, Associate Professor of Pharmacology ... shown for the first time that early exposure ... ultrafine particulate matter) affects long-term lung function. She ... 11th International Congress on Combustion By-Products and Their ...
... research that allows farmers to harvest rice earlier, giving them ... needed food and ease hunger during monga -- the hunger ... northwest Bangladesh from September to November after the previous season,s ... rice in December. According to the Bangladesh Bureau ...
Cached Biology News:The value of variation: Ecologists consider the causes and consequences 2LSUHSC shows for first time infant inhalation of ultrafine air pollution linked to adult lung disease 2Early rice harvests ease annual famine in Bangladesh 2
(Date:10/31/2014)... Edwardsville, Ill. (PRWEB) October 31, 2014 ... Edwardsville’s Department of Historical Studies within the College of ... at SIUE to record the history of alcohol-based fuels ... politicians, and many others have been working to build ... an important but overlooked aspect of the state's agricultural ...
(Date:10/31/2014)... The report "Dairy Alternative (Beverage) Market ... Sweetened, Unsweetened), Channel (Supermarket, Health Store, Pharmacy, Convenience ... to 2018," defines and segments the dairy alternative ... revenue and volume for plant-based dairy alternative beverages. ... $14 Billion by 2018 with the Asia-Pacific region ...
(Date:10/31/2014)... New York, NY (PRWEB) October 31, 2014 ... sectors such as healthcare, construction, finance and consumer ... applications. For this reason, industry research firm IBISWorld ... Software industry to its growing industry report collection. ... that develop software for biometric technologies such as ...
(Date:10/30/2014)... The report “Fragrance Ingredients Market by Type (Essential ... and Soaps & Detergents) & by Geography - Global ... the Fragrance Ingredients Market with analyses and projection of ... market has been segmented on the basis of major ... and Rest of the World (ROW); and their value ...
Breaking Biology Technology:SIUE History Prof Manuel Working on Biofuels Book with NCERC 2SIUE History Prof Manuel Working on Biofuels Book with NCERC 3Dairy Alternative Beverage Market Projected to Reach $14 Billion by 2018 - Report by MarketsandMarkets 2Dairy Alternative Beverage Market Projected to Reach $14 Billion by 2018 - Report by MarketsandMarkets 3Dairy Alternative Beverage Market Projected to Reach $14 Billion by 2018 - Report by MarketsandMarkets 4Biometrics Scan Software in the US Industry Market Research Report Now Available from IBISWorld 2Biometrics Scan Software in the US Industry Market Research Report Now Available from IBISWorld 3Fragrance Ingredients Market worth $17,104.21 Million by 2019 - New Report by MarketsandMarkets 2Fragrance Ingredients Market worth $17,104.21 Million by 2019 - New Report by MarketsandMarkets 3Fragrance Ingredients Market worth $17,104.21 Million by 2019 - New Report by MarketsandMarkets 4Fragrance Ingredients Market worth $17,104.21 Million by 2019 - New Report by MarketsandMarkets 5
... Expedites Reporting Process, WALL, N.J., Oct. 24 ... leader in wireless public safety,solutions and finger based ... from the Littleton, Colorado Police Department,to implement the ... is a module of BIO-key,s Mobile Office(TM) solution. ...
... SAN FRANCISCO, Oct. 24 Cell Therapeutics,Inc. ... data presented at,the 19th annual AACR-NCI-EORTC Symposium ... kill tumors refractory to currently,marketed platinum agents ... human clinical trials in late 2008. ...
... (Nasdaq: KERX ) will hold a conference call ... discuss the Third Quarter 2007 financial results.,Michael S. Weiss, ... the call. Keryx will announce its financial results for ... to the call. In order to participate in ...
Cached Biology Technology:BIO-key(R) Awarded Contract to Deploy Incident Reporting System for Littleton, CO Police Department 2First New Class of Platinum-Based Chemotherapy Drug Candidates in 30 Years Demonstrate Ability to Kill Tumors Resistant to Currently Marketed Platinum Drugs 2First New Class of Platinum-Based Chemotherapy Drug Candidates in 30 Years Demonstrate Ability to Kill Tumors Resistant to Currently Marketed Platinum Drugs 3Keryx Biopharmaceuticals, Inc. to Hold Conference Call on Third Quarter 2007 Financial Results on Thursday, October 25, at 8:30 A.M. EDT 2
... to detect the appearance of AcNPV gp64 ... as early as 8-24 hours post-infection. This ... Kit, which allows determination of baculovirus titers ... FastPlax Antibody can also be used to ...
synaptotagmin XIV-like [Source:RefSeq_peptide;Acc:NP_114120] Antigen: Recombinant Protein Epitope Signature Tag (PrEST)....
Goat polyclonal to SIAH Interacting Protein ( Abpromise for all tested applications)....
MAb to Transferrin Dry Ice: No Preservative: NaN3 Availability When Not in Inventory: 14-21 Business Days...
Biology Products: