Navigation Links
Plants have a double line of defence

Max Planck researchers in Cologne, Germany demonstrate that a multi-step defence system underlies the durable resistance of plants to fungal parasitesPlants are exposed to many different pathogens in the environment. Only a few of these pathogens, however, are able to attack a species of plant and "make it sick". If a particular pathogen is unable to attack a plant, that means that the plant is resistant to it ?in other words, it cannot host the pathogen.

This durable type of immunity of a plant to parasites is called nonhost resistance. Although, in nature, nonhost resistance stops almost all parasite attacks, it has been the subject of little research. Scientists from the Max Planck Institute for Plant Breeding Research in Cologne, working with Volker Lipka, Jan Dittgen, and Paul Schulze-Lefert, and in co-operation with colleagues from the Carnegie Institution in the US, have uncovered the molecular components of nonhost resistance and described this system of defence in the current edition of the journal Science (November 18, 2005). In their findings, they draw parallels between the immune systems of plants and animals. This research could be central to the development of new "green" fungicides.

The Max Planck researchers were able to identify the gene known as PEN (penetration) as an important component of nonhost resistance. They isolated arabidopsis mutations, which are partially susceptible to powdery mildews. If these genes are defective, or if the protein they code is missing in the plant cells, the fungus can invade the leaf epidermis cells more frequently. For that reason the scientists looked particularly at the question of exactly which function the PEN2 protein has in the defence against pathogens.

PEN2 is an enzyme located in the membrane of what are called peroxisomes. These are spatially separated cell compartments, in which metabolic reactions often take place that would be dangerous for the organism at any place other than
'"/>

Source:Max-Planck-Gesellschaft


Page: 1 2 3

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. Plants defy Mendels inheritance laws, may prompt textbook changes
5. Study: Plants use dual defense system to fight pathogens
6. Plants discriminate between self and non self
7. Prozac for future Plants on Mars
8. Plants reveal a secret and bring researchers nearer a cleaner future
9. Plants, too, have ways to manage freeloaders
10. Plants give pests sock in the gut
11. Plants used to detect gas leaks, from outer space!
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Plants have double line defence

(Date:7/29/2014)...  When it comes to technology, healthcare is usually one of ... However, when it comes to wearables, healthcare is trying to move ... Internet of Things and its wearable cousins is less than mature, ... industry, whether it,s in the hospital for a major procedure or ... With that in mind, InformationWeek editor Rodney Brown ...
(Date:7/29/2014)... of Kent has shown for the first time how ... that could have a major impact on cancer therapy ... uncovered the mechanism whereby the physical properties of the ... are ,fine-tuned, to undertake different functions. , While ... providing a framework for the cell, others are more ...
(Date:7/29/2014)... for parents of preterm babies latest research from the ... they become teenagers, the brains of many preterm children can ... A study conducted by the University,s Robinson Research Institute ... experiences no brain injury in early life, their cognitive abilities ... term-born peers. , However, the results of the study, published ...
Breaking Biology News(10 mins):Preterm children's brains can catch up years later 2
... involved in cellular immune signaling, scientists have succeeded in making ... protein with a new twist may eventually be used to ... involved in immune responses that are initiated by proteins called ... the immune system in response to challenges by foreign agents ...
... properties of human bone has been made by scientists ... scientists describe their results –?finding a sort of "glue" ... August issue of the international scientific journal, Nature Materials. ... It describes how healthy bone resists fracture and how ...
... Georgia Institute of Technology and the John Innes Centre ... which disease-causing bacteria may thwart the body's natural defense ... development of more effective antibiotics, appear in the September ... oxide is produced by the body to fight infections. ...
Cached Biology News:Engineered molecule amplifies body's immune response 2Engineered molecule amplifies body's immune response 3Fundamental discovery -- Bone fracture 2Fundamental discovery -- Bone fracture 3Researchers uncover E. coli's defense mechanism 2
(Date:7/29/2014)... White papers by Clinovo on ... technologies, have been published by leading pharmaceutical publications Data ... line of white papers by Clinovo to have been ... Pharmaceutical Online, and OpenHealthNews. , At the request of ... Marc Desgrousilliers, 'The Five Essentials of Cloud Computing ...
(Date:7/29/2014)... July 29, 2014 ... (LBS) zur Erfassung biologischer Daten in Verbindung ... und patentiert. Das LBS nimmt gleichzeitig mehrere ... des Patienten und sucht erhöhte biologische Aktivitäten ... Potenzial, die Entdeckung und Entwicklung neuer Medikamente ...
(Date:7/28/2014)... SAN DIEGO , July 28, 2014 ... algae cultivation technologies, today announced the appointment of biotechnology ... member of the board of directors. Levine replaces Cynthia ... effective immediately. She will remain chairman of the company,s ... leadership on Sapphire Energy,s mission to deliver commercial scale ...
(Date:7/28/2014)... (PRWEB) July 28, 2014 ... China Lubricant Industry” is a professional and ... Lubricant market. The report introduces Lubricant basic ... industry chain structure and industry overview. This ... China’s domestic market as well as global ...
Breaking Biology Technology:Clinovo White Papers Published in Summer 2014 Editions of Leading Medical Device & Pharmaceutical Publications 2Clinovo White Papers Published in Summer 2014 Editions of Leading Medical Device & Pharmaceutical Publications 3PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 2PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 3PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 4Sapphire Energy Announces New CEO James Levine 2Sapphire Energy Announces New CEO James Levine 3Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 2Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 3Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 4
... Cell Therapeutics, Inc.,(CTI) (Nasdaq and MTAX: CTIC) ... (the "Letter") from Nasdaq indicating that the Company,s,recently ... Preferred,Stock (the "Series C Preferred") and warrants did ... Nasdaq Marketplace Rule 4351 and IM 4351.,The Nasdaq ...
... Plan Extends Financial Resources Beyond 2008 -, ... Inc. (Nasdaq: SNSS ) today announced that ... and implementing a revised,operating plan that focuses its ... while streamlining the company,s operations and extending,its financial ...
... for Early and Accurate Diagnosis of Peripheral Artery ... Disease ... - Findings Published Online in Circulation -, FREMONT, Calif., Aug. 28 ... research that details how a protein biomarker called beta-2,microglobulin may aid in the ...
Cached Biology Technology:Cell Therapeutics, Inc. Takes Corrective Actions in Response to Nasdaq Determination 2Sunesis Pharmaceuticals Announces Reorganization to Focus Resources and Build Value in Clinical-Stage Programs 2Sunesis Pharmaceuticals Announces Reorganization to Focus Resources and Build Value in Clinical-Stage Programs 3Sunesis Pharmaceuticals Announces Reorganization to Focus Resources and Build Value in Clinical-Stage Programs 4Vermillion and Collaborators Discover Protein Biomarker Associated with Peripheral Artery Disease 2Vermillion and Collaborators Discover Protein Biomarker Associated with Peripheral Artery Disease 3
Purified anti-DNA-PKcs Phosphorylated (Thr2609)...
Purified anti-PI3K p110 delta...
Biotin anti-mouse Ly-49C/F/I/H...
... Purified Tyrosine Hydroxylase (Ser40) Polyclonal ... raised against synthetic phosphopeptide corresponding ... the phospho-Ser40 of rat Tyrosine ... purified by sequential chromatography on ...
Biology Products: