Navigation Links
Plant pathogen genetically tailors attacks to each part of host, say Stanford researchers
Date:4/14/2010

corn smut infected a given part of a plant was the potential for growth of that particular type of tissue. Greater potential for continued growth correlated with more intense infections of corn smut and bigger, more plentiful tumors.

The key aspect was the potential if a mutant grew only small leaves and then quickly stopped growing, the corn smut wasn't interested, even if there was sufficient area to host some tumors.

Walbot tested how various mutant strains of corn smut behaved when infecting normal maize plants. She discovered that a strain that was highly effective in causing tumors in, say, the tassels might be completely ineffective in triggering tumors in a seedling. That told her that different genes in the fungus were involved depending on which part of the maize the fungus was attacking.

"We found genetic evidence from both the pathogen and the host that depending on the growth potential, in an organ-specific way, of both the pathogen and the host, you could modulate the number of tumors," Walbot said.

The team then set to work with DNA microarrays, lab tools that can screen thousands of genes at a time and determine which ones are active and which are not. The microarray work confirmed and quantified the results of their earlier experiments corn smut was indeed situationally selective, to a high degree. Less than a third of its genes were consistently activated regardless of which organ of the maize plant it was infecting.

"We had proof from the microarray that paralleled the genetic proof; that is, that there is organ-specific expression by maize in response to corn smut, and corn smut expresses a specific suite of genes depending on where it is in the plant," Walbot said.

Corn smut, though a common pathogen, does not devastate maize crops and so relatively little work had been done by plant pathology researchers to study it. In Mexico, the fungus is called "huitlacoche," and the tumors, which are
'/>"/>

Contact: Louis Bergeron
louisb3@stanford.edu
650-725-1944
Stanford University
Source:Eurekalert  

Page: 1 2 3 4

Related medicine news :

1. Blood stem-cell transplant regimen reverses sickle cell disease in adults
2. eTeacher Solutes TuBishvat- the “New Year for Trees” by Planting a Tree for Each Student Learning Modern or Biblical Hebrew
3. Former Marine in Fight for Life to Raise Funds for Double Lung Transplant
4. Organ Transplant Drug Keeps Immune System in Check
5. Nuclear Power Plant Improves Site Security with Blast Resistant Guard Booth
6. Select Topics in ALL: Molecular Characterization, Approaches to CNS Disease, and Post-remission Transplantation
7. Minimally invasive adult liver donation for pediatric transplantation available exclusively
8. Beyond liver transplants: Acutely damaged livers may be repaired via transplanted hepatocytes
9. Stem Cell, Bone Marrow Transplants Both Benefit Leukemia Patients
10. Children with cochlear implants have quality of life equal to normal hearing peers
11. Dr. Jay Calvert MD Announces Details on New Patent-Protected Investigational Breast Implants
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Plant pathogen genetically tailors attacks to each part of host, say Stanford researchers
(Date:8/3/2015)... (PRWEB) , ... August 03, 2015 , ... ... Modoc National Forest, to Ahjumawi Lava Springs, California’s northernmost and among its least ... largest untapped ground water aquifers, whose main outflow is at Ahjumawi Lava Springs, ...
(Date:8/3/2015)... Decatur, Illinois (PRWEB) , ... August 03, 2015 , ... ... (IBAM NA) effective July 31. , The acquisition includes all of IBAM NA’s ... the opportunity to have both, a robust regionally located business, as well as a ...
(Date:8/3/2015)... ... 2015 , ... Foot and Ankle Specialists of the Mid-Atlantic (FASMA) ... medical practice in the Mid-Atlantic region – and the second largest in the United ... doctors. , Dr. Hetal Kathrotiya-Mago is a Maryland native. She grew up in Laurel, ...
(Date:8/2/2015)... (PRWEB) , ... August 03, 2015 , ... ... training, will be attending and exhibiting at the Association for Healthcare Documentation Integrity’s ... , “We are pleased for the opportunity the AHDI conference provides us ...
(Date:8/1/2015)... ... August 02, 2015 , ... AlignLife Office Coordinator Heather Pugh ... of care for patients at this natural health care center in Winamac. , "Oftentimes ... Heal said. "Heather's role is vital to our approach because we want to focus ...
Breaking Medicine News(10 mins):Health News:Medicine Lake Aquifer could ease California drought says fresh water advocate Sharon Kleyne – but is this necessary? 2Health News:Medicine Lake Aquifer could ease California drought says fresh water advocate Sharon Kleyne – but is this necessary? 3Health News:Medicine Lake Aquifer could ease California drought says fresh water advocate Sharon Kleyne – but is this necessary? 4Health News:Illinois Health & Science Expands Nuclear Medicine Footprint With Purchase of IBA Molecular North America, Inc. 2Health News:Leading Foot and Ankle Medical Practice Adds Three New Podiatrists 2Health News:Leading Foot and Ankle Medical Practice Adds Three New Podiatrists 3Health News:Leading Foot and Ankle Medical Practice Adds Three New Podiatrists 4Health News:Career Step to Exhibit at AHDI Conference in Alexandria, Virginia on August 7-8 2Health News:New Patient Advocate Enhances Natural Health Care 2
... Study finds procedure dramatically reduces transmission of herpes, human ... decision of whether or not to circumcise an infant ... that having the procedure may reduce the risk of ... of more than 5,000 uncircumcised adult Ugandan males, researchers ...
... Former Rep. Gephardt Underscores Importance of Medical Discovery ... Diseases , WASHINGTON, March 25 The Council ... his support for improving our education system and ... and technological advancements. (Logo: http://www.newscom.com/cgi-bin/prnh/20090325/DC89081LOGO ) ...
... Ching-Hua Wang, Chair of Biology, Geology and Nursing, and Director ... State University Channel Islands , was recently awarded a grant ... as a part of their Bridges to Stem Cell Research ... funding from the program. , , "We are ...
... 25 , , ... stay with their infants 24/7 in homelike setting. , ... with natural materials like flowers and artwork , ... Rainbow Neonatologists are world leaders in the advancement ...
... facilities and 1 assisted living facilityCHICAGO, March 25 ... facilities and assisted living facilities improve their ability to ... was announced today by Simply Rehab LLC at the ... program also includes measurements that lead to appropriate preventative ...
... reports a more powerful immune response than from an injection ... nicer it would be to get vaccinated by drinking a ... , That might someday be the case, thanks to Northwestern ... which are healthy bacteria found in dairy products such as ...
Cached Medicine News:Health News:Circumcision Guards Against STDs 2Health News:Circumcision Guards Against STDs 3Health News:Council for American Medical Innovation Applauds President Obama for Calling for 'Serious Investments in Science and Technology' 2Health News:CSUCI Receives $1.7 Million Grant for Stem Cell Research Program 2Health News:CSUCI Receives $1.7 Million Grant for Stem Cell Research Program 3Health News:Rainbow Babies & Children's Hospital Opens Most Technologically Advanced NICU in World 2Health News:Rainbow Babies & Children's Hospital Opens Most Technologically Advanced NICU in World 3Health News:Rainbow Babies & Children's Hospital Opens Most Technologically Advanced NICU in World 4Health News:Improved Ability to Predict Who is at Risk for Falling in SNFs and ALFs 2Health News:Oral Yogurt 'Vaccine' Could Blunt Ouch Factor 2
(Date:8/3/2015)... 2015  Array BioPharma Inc. (NASDAQ: ARRY ... and full year of its fiscal year ended ... Executive Officer of Array, noted, "Binimetinib and encorafenib, two ... track for regulatory submissions in 2016. Additional data ... BRAF-mutant colorectal cancer further validate the value of ...
(Date:8/3/2015)... Aug. 3, 2015  Charleston Laboratories, Inc., an ... second clinical development program with a Phase 1 ... CL-H1T contains fast-dissolving promethazine and sumatriptan.  ... a treatment for migraine headache pain and migraine-induced ... patients with migraine headaches also suffer from nausea ...
(Date:8/3/2015)... FLORHAM PARK, N.J. , Aug. 3, ... met its primary and secondary endpoints in a phase ... constipation (OIC) in adult patients with chronic non-cancer pain. ... antagonist (PAMORA). This is the third Phase III trial ... endpoints. Study results showed that a 0.2 ...
Breaking Medicine Technology:Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 2Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 3Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 4Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 5Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 6Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 7Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 8Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 9Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 10Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 11Array BioPharma Reports Financial Results For The Fourth Quarter And Full Year Of Fiscal 2015 12Charleston Laboratories, Inc. Initiates Patient Enrollment in a Phase 1 Study of Charleston's Second Product, CL-H1T 2Naldemedine Meets Primary Endpoint In Phase 3 Study For The Treatment Of Opioid-Induced Constipation 2Naldemedine Meets Primary Endpoint In Phase 3 Study For The Treatment Of Opioid-Induced Constipation 3Naldemedine Meets Primary Endpoint In Phase 3 Study For The Treatment Of Opioid-Induced Constipation 4
... Biosafety , , , ... June 29 Remember chemistry sets, ham radio, amateur astronomy, and early ... around the world belong to the Do-It-Yourself Biology (DIYbio) community, working on everything ... treatments for diseases. , , , ...
... Ireland , June 28 Warner Chilcott plc ... IV Certification Notice from Par Pharmaceutical, Inc. ("Par").  The Paragraph IV Certification ... Application (ANDA) by Par for a generic version of the Company,s ASACOL ... , , ...
Cached Medicine Technology:Responsible Science for Do-It-Yourself Biologists 2Warner Chilcott Announces Receipt of Paragraph IV Certification Notice 2Warner Chilcott Announces Receipt of Paragraph IV Certification Notice 3
Extremely fine straight....
Curved delicate 5 mm blades....
Micro dressing forceps....
... The Leica M520 OH3 is ... best optical performance available on ... and unique stand. The Leica ... has the greatest range of ...
Medicine Products: