Plant Science

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    Protocols in Current Issue
    In vitro Assessment of Pathogen Effector Binding to Host Proteins by Surface Plasmon Resonance
    [Abstract] The mechanisms of virulence and immunity are often governed by molecular interactions between pathogens and host proteins. The study of these interactions has major implications on understanding virulence activities, and how the host immune system recognizes the presence of pathogens to initiate an immune response. Frequently, the association ...
    Maintenance and Quantitative Phenotyping of the Oomycete-plant Model Pathosystem Hyaloperonospora arabidopsidisArabidopsis
    Authors:  Fang-Yu Hwu and Martin Parniske, date: 06/20/2020, view: 505, Q&A: 0
    [Abstract] The interaction between the host plant Arabidopsis thaliana (Arabidopsis) and the oomycete Hyaloperonospora arabidopsidis (Hpa) is an established model system for the study of an obligate biotrophic downy mildew interaction. The evaluation of the developmental success of Hpa is often based on the quantification ...
    MAMP-triggered Medium Alkalinization of Plant Cell Cultures
    [Abstract] Plants recognize a wide variety of microbial molecules to detect and respond to potential invaders. Recognition of Microbe-Associated Molecular Patterns (MAMPs) by cell surface receptors initiate a cascade of biochemical responses that include, among others, ion fluxes across the plasma membrane. A consequence of such event is a decrease in the ...
    Competition Assays to Quantify the Effect of Biocontrol Yeasts against Plant Pathogenic Fungi on Fruits
    Authors:  Electine Magoye, Melanie Pfister, Maja Hilber-Bodmer and Florian M. Freimoser, date: 02/05/2020, view: 767, Q&A: 0
    [Abstract] Yeasts such as Aureobasidium pullulans are unicellular fungi that occur in all environments and play important roles in biotechnology, medicine, food and beverage production, research, and agriculture. In the latter, yeasts are explored as biocontrol agents for the control of plant pathogenic fungi (e.g., Botrytis cinerea, ...
    Localizing Genome Segments and Protein Products of a Multipartite Virus in Host Plant Cells
    Authors:  Marie-Stephanie Vernerey, Elodie Pirolles, Stephane Blanc and Anne Sicard, date: 12/05/2019, view: 1190, Q&A: 0
    [Abstract] A founding paradigm in virology is that the spatial unit of the viral replication cycle is an individual cell. This concept applied to multipartite viruses–which have a genome composed of two or more nucleic acid segments, each individually encapsulated–implies that all segments constituting a viral genome need to coinfect the same host cell for ...
    Method for Assessing Virulence of Colletotrichum higginsianum on Arabidopsis thaliana Leaves Using Automated Lesion Area Detection and Measurement
    Authors:  Ayako Tsushima, Pamela Gan and Ken Shirasu, date: 11/20/2019, view: 2131, Q&A: 0
    [Abstract] The plant pathogenic fungus, Colletotrichum higginsianum is widely used to understand infection mechanisms, as it infects the model plant Arabidopsis thaliana. To determine the virulence of C. higginsianum, several methods have been developed, such as disease reaction scoring, lesion measurement, entry rate assays, and ...
    Isolation of Powdery Mildew Haustoria from Infected Barley
    Authors:  Linhan Li, Benjamin Collier and Pietro D. Spanu, date: 07/20/2019, view: 2578, Q&A: 0
    [Abstract] Blumeria graminis is a fungus that causes powdery mildews on grasses, such as barley. Investigations of this pathogen present many challenges due to its obligate biotrophic nature. This means that the fungus can only grow in the presence of a living host plant. B. graminis forms epiphytic mycelia on the plant surface and feeding ...
    An Improved Bioassay to Study Arabidopsis Induced Systemic Resistance (ISR) Against Bacterial Pathogens and Insect Pests
    Authors:  Nicolás M. Cecchini, Yi Song, Suruchi Roychoudhry, Jean T. Greenberg and Cara H. Haney, date: 05/20/2019, view: 2941, Q&A: 0
    [Abstract] The plant immune system is essential for plants to perceive and defend against bacterial, fungal and insect pests and pathogens. Induced systemic resistance (ISR) is a systemic immune response that occurs upon root colonization by beneficial microbes. A well-studied model for ISR is the association of specific beneficial strains of Pseudomonas ...
    An Innovative Approach to Study Ralstonia solanacearum Pathogenicity in 6 to 7 Days Old Tomato Seedlings by Root Dip Inoculation
    Authors:  Niraj Singh, Rahul Kumar and Suvendra Kumar Ray, date: 11/05/2018, view: 2966, Q&A: 0
    [Abstract] Ralstonia solanacearum (F1C1) is a Gram-negative plant pathogenic bacterium that causes lethal wilt disease in a wide range of plant species. This pathogen is very well known for its unpredictable behavior during infection and wilting its host. Because of its mysterious infection behavior, virulence and pathogenicity standardization are ...
    Measuring Secretion of Capsidiol in Leaf Tissues of Nicotiana benthamiana
    Authors:  Teruhiko Kuroyanagi, Maurizio Camagna and Daigo Takemoto, date: 08/05/2018, view: 2704, Q&A: 0
    [Abstract] Plant species produce a wide variety of antimicrobial metabolites to protect themselves against potential pathogens in natural environments. Phytoalexins are low molecular weight compounds produced by plants in response to attempted attacks of pathogens. Accumulation of phytoalexins in attacked plant tissues can inhibit the growth of penetrating ...



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