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:2/5/2015)... NXT-ID, Inc. (NASDAQ: NXTD ... company focused on the growing mobile commerce market, announces ... CEO Conference on January 29 th at 10:30 ... CEO of NXT-ID will present and host a live ... wallet and its full suite of biometric technologies. Investors ...
(Date:1/22/2015)... DUBLIN , Jan. 22, 2015 Research and Markets ... "Biometrics - A Global Market Overview" report to ... biometrics technology is to ensure that an individual is who ... technology may make use of a person,s unique physical characteristics, ...
(Date:1/22/2015)... 2015 Technology Showcase, Hall E -   EyeLock Inc. ... announced it will showcase its EyeLock ID technology integrated in ... of Energy,s Oak Ridge National Laboratory (ORNL) at ... iris identity authentication technology is being used to validate the ...
Breaking Biology News(10 mins):CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 2CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 3Biometrics - A Global Market Overview 2Biometrics - A Global Market Overview 3EyeLock Debuts First Iris Authentication Technology Embedded in 3D Printed Automobile 2EyeLock Debuts First Iris Authentication Technology Embedded in 3D Printed Automobile 3
... exposed to contaminated roadside ponds are adapting to their ... Reports. This study provides the first documented evidence that ... roads apparently by evolving rapidly. Salamanders breeding ... contaminants from road runoff. Chief among these is sodium ...
... the arrival of the first plants 470 million years ago triggered ... and Oxford, the study is published today (1 February 2012) in ... the effects that the first land plants had on the climate ... this period the climate gradually cooled, leading to a series of ...
... Conservationists working in Central Africa to save the ... gorilla has more suitable habitat than previously thought, including ... apes move between sites in search of mates, according ... and other groups. The newly published ...
Cached Biology News:Road runoff spurring spotted salamander evolution 2First plants caused ice ages 2Satellite study reveals critical habitat and corridors for world's rarest gorilla 2Satellite study reveals critical habitat and corridors for world's rarest gorilla 3
(Date:2/26/2015)... WOODBRIDGE, N.J. , Feb. 26, 2015 ... and its affiliated companies, Wilentz, Goldman & ... a trade secrets lawsuit against Genewiz Inc. in excess ... obtained and utilized GenScript,s trade secrets, and that it ... court entered an order denying motions for judgment notwithstanding ...
(Date:2/26/2015)... 2015   Synageva BioPharma Corp. (NASDAQ: ... therapeutic products for rare disorders, today reported 2014 ... other key objectives, and financial guidance.  Synageva,s management ... 4:30 p.m. EST to review the financial results ... in today,s call by telephone, please dial (877) ...
(Date:2/26/2015)... LAUDERDALE, Fla. , Feb. 26, 2015 ... discussed growth priorities driven by key research advancements and ... segments at today,s Bank of America Merrill Lynch 2015 ... met the challenge of building grain supplies the last ... to continue at the pace of the last decade, ...
(Date:2/26/2015)... Calif. , Feb. 26, 2015  NuGene ... age-defying aesthetic products for skin and hair rejuvenation, ... Relations as agency of record for investor relations ... to improve our distribution, sales and diversification strategies ... to current and prospective shareholders," stated Ali Kharazmi ...
Breaking Biology Technology:Wilentz Client GenScript Awarded $10 Million in Trade Secrets Case Against Genewiz 2Wilentz Client GenScript Awarded $10 Million in Trade Secrets Case Against Genewiz 3Synageva BioPharma Reports 2014 Full Year Financial Results 2Synageva BioPharma Reports 2014 Full Year Financial Results 3Synageva BioPharma Reports 2014 Full Year Financial Results 4Synageva BioPharma Reports 2014 Full Year Financial Results 5Synageva BioPharma Reports 2014 Full Year Financial Results 6Synageva BioPharma Reports 2014 Full Year Financial Results 7Synageva BioPharma Reports 2014 Full Year Financial Results 8Synageva BioPharma Reports 2014 Full Year Financial Results 9DuPont Leader Outlines Path for Growth in Agriculture and Nutrition & Health Segments 2DuPont Leader Outlines Path for Growth in Agriculture and Nutrition & Health Segments 3DuPont Leader Outlines Path for Growth in Agriculture and Nutrition & Health Segments 4DuPont Leader Outlines Path for Growth in Agriculture and Nutrition & Health Segments 5NuGene International, Inc. Selects Capital Market Relations for Strategic Investor Relations 2NuGene International, Inc. Selects Capital Market Relations for Strategic Investor Relations 3
... 2011 Perceptive Informatics , the industry,s leading ... Corporation (NASDAQ: PRXL ), today announced results ... entitled "Implementing Bayesian Response Adaptive Trials." The webinar, presented ... by over 300 professionals from the biopharmaceutical industry across ...
... VEGAS, April 21, 2011 Cord Blood America, Inc ... ), the umbilical cord blood stem cell preservation company ... cells to families nationwide and internationally, is pleased to announce ... Articles of Incorporation effecting a reverse stock split. ...
... April 21, 2011 The Stanford University School ... initiation of a Phase 1/2a clinical trial testing ... cell therapy product, SB623, on patients suffering from ... details regarding this clinical trial, please refer to ...
Cached Biology Technology:Perceptive Informatics Global Survey Results Show Growing Industry Interest in Implementing Adaptive Trial Designs 2Perceptive Informatics Global Survey Results Show Growing Industry Interest in Implementing Adaptive Trial Designs 3Perceptive Informatics Global Survey Results Show Growing Industry Interest in Implementing Adaptive Trial Designs 4Perceptive Informatics Global Survey Results Show Growing Industry Interest in Implementing Adaptive Trial Designs 5Cord Blood America: Shareholders Approve Common Stock Reverse Split 2Stanford and SanBio Announce a Clinical Trial of Cell Therapy for Stroke Disability 2
... Protein determined by Biuret Physical form: Solution ... pH 7.6, 1 mM MgCl 2 ... Unit Definition: One unit will hydrolyze 1 ... pH 9.8 at 37 C. • Concentration: ...
... wide variety of solvent vapors that can contaminate and ... allows for the collection of liquid into a self ... waiting period., Ultra low -104 o C ... , Digital Display of temperature ...
96 Well Plate UB, RE bottom; consistent medium binding affinity for hydrophobic complexes and proteins....
... Orbital Shakers combine high durability and ... power. The patented triple-counterbalanced heavy-duty ... to run with heavy out-of-balance loads. ... reduces contamination. The heavy stainless ...
Biology Products: