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Phosphoinositides in plant-pathogen interaction:trends and perspectives

Stress Biology 2023年第1期3卷 52-68页

作者： Fauzia Zarreen Kamal Kumar Supriya Chakraborty Molecular Virology Laboratory School of Life ScienceJawaharlal Nehru UniversityNew Delhi 110067India

Phosphoinositides are important regulatory membrane lipids,with a role in plant development and cellular *** evidence indicates that phosphoinositides play crucial roles in plant defence and are also utilized by pathogens for *** this review,we highlight the role of phosphoinositides in plant-pathogen interaction and the implication of this remarkable convergence in the battle against plant diseases.

关键词： plant virus Kinases Phosphoinositides Phosphatidylinositol plant-pathogen Signalling

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Proteomics: A Successful Approach to Understand the Molecular Mechanism of plant-pathogen Interaction

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American Journal of plant Sciences 2013年第6期4卷 1212-1226页

作者： Tushar Dilipchand Lodha Padmalochan Hembram Nitile Tep, Jolly Basak Department of Biotechnology Visva-Bharati University Santiniketan India.

In recent years, proteomics has played a key role in identifying changes in protein levels in plant hosts upon infection by pathogenic organisms and in characterizing cellular and extracellular virulence and pathogenicity factors produced by pathogens. Proteomics offers a constantly evolving set of novel techniques to study all aspects of protein structure and function. Proteomics aims to find out the identity and amount of each and every protein present in a cell and actual function mediating specific cellular processes. Structural proteomics elucidates the development and application of experimental approaches to define the primary, secondary and tertiary structures of proteins, while functional proteomics refers to the development and application of global (proteome wide or system-wide) experimental approaches to assess protein function. A detail understanding of plant defense response using successful combination of proteomic techniques and other high throughput techniques of cell biology, biochemistry as well as genomics is needed for practical application to secure and stabilize yield of many crop plants. This review starts with a brief introduction to gel- and non gel-based proteomic techniques followed by the basics of plant-pathogen interaction, the use of proteomics in recent pasts to decipher the mysteries of plant-pathogen interaction, and ends with the future prospects of this technology.

关键词： Proteome plant-pathogen Interaction Systemic Acquired Resistance Mass Spectrometry pathogenicity Related Proteins

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Regulation of Root-Knot Nematode Behavior by Seed-Coat Mucilage-Derived Attractants

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Molecular plant 2019年第1期12卷 99-112页

作者： Allen Yi-Lun Tsai Takumi Higaki Chinh-Nghia Nguyen Laetitia Perfus-Barbeoch Bruno Favery Shinichiro Sawa Graduate School of Science &Technology Kumamoto University2-39-1 KurokamiChuo-kuKumamoto 860-8555Japan Graduate School of Frontier Sciences The University of Tokyo5-1-5 KashiwanohaKashtwa-shiChiba 277-8562Japan INRA Universite Cote d'AzurCNRSUMR 1355-7254 Institut Sophia Agrobiotech06900 Sophia AntipolJsFrance present address:Internattonal Research Organization for Advanced Science &Technology Kumamoto University2-39-1 KurokamiChuo-kuKumamoto 860-8555Japan Present address:School of Biotechnology and Food Technology Hanoi University of Science and Technology10 000 HanoiVietnam

Seed exudates influence the behavior of soil organisms,but howthis occurs remains unclear,particularly for multicellular *** we show that compounds associated with Arabidopsis seed-coat mucilage regulate the behavior of soil-borne animals,specifically root-knot nematodes (RKNs).Infective RKN J2 larvae actively travel toward Arabidopsis seeds through *** of Arabidopsis mucilage mutants demonstrated that the attraction of RKNs toArabidopsis seeds requires the synthesis and extrusion ***-coat *** mucilage alone is not sufficient to attract RKNs,but seed-surface carbohydrates and proteins are required for this *** findings suggest that the RKN chemoattractant is synthesized de novo upon mucilage extrusion but may be highly *** attracted by thismucilage-dependent mechanism can infect the emerging ***,the attraction signal from seedling roots likely acts independently of the seed-coat signal and may mask the attraction to seed-coat mucilage after *** RKN species are attracted byArabidopsis seeds,suggesting that this mechanism is conserved in *** findings indicate that seed exudate can regulate the behavior of multicellular animals and highlight the potential roles of seed-coat mucilage in biotic interactions with soil microorganisms.

关键词： chemotaxis seed-coat mucilage root-knot nematode plant-pathogen interaction

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Tomato plants Overexpressing a Celery Mannitol Dehydrogenase (MTD) Have Decreased Susceptibility to <i>Botrytis cinerea</i>

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American Journal of plant Sciences 2015年第8期6卷 1116-1125页

作者： Takshay K. Patel Sergei F. Krasnyanski George C. Allen Frank J. Louws Dilip R. Panthee John D. Williamson Department of Horticultural Science North Carolina State University Raleigh NC USA Department of plant Pathology North Carolina State University Raleigh NC USA

The oxidative burst is a critical early event in plant-pathogen interactions that leads to a localized, programmed cell death (PCD) called the hypersensitive response (HR). The HR and associated PCD retard infection by biotrophic pathogens, but can, in fact, enhance infection by necrotrophic pathogens like Botrytis cinerea. In addition to signaling the induction of the HR, reactive oxygen species (ROS) produced during the oxidative burst are?antimicrobial. We hypothesize that pathogens such as B. cinerea survive the antimicrobial effects of ROS, at least partially by secreting the antioxidant mannitol during infection. This is supported by the previous observation that overexpression of the catabolic enzyme mannitol dehydrogenase (MTD) can decrease a plants susceptibility to mannitol-secreting pathogens like B. cinerea. To extend the above hypothesis, and test the general utility of this approach in an important horticultural crop, we overexpressed celery MTD in tomato (Solanum lycopersicum cv. “Moneymaker”). In these studies, we observed a significant increase (up to 90%) in resistance to B. cinerea in transgenic tomatoes expressing high amounts of MTD.

关键词： Hypersensitive Response pathogenesis Response plant-pathogen Interaction Programmed Cell Death Reactive Oxygen Species

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