Advances in Biochemical and Molecular Mechanisms of Plant-Pathogen Interaction.

Format:

Book

Author/Creator:

Patel, Hitendra K.

Contributor:

Kumar, Anirudh.

Series:

IOP Ebooks Series

Language:

English

Physical Description:

1 online resource (437 pages)

Edition:

1st ed.

Place of Publication:

Bristol : Institute of Physics Publishing, 2025.

Summary:

This book provides a complete and cohesive assessment of plant defence mechanisms in response to various biotic stresses.

Contents:

Intro

Acknowledgements

Editor biographies

Hitendra Kumar Patel

Anirudh Kumar

List of contributors

Chapter The arms race of plants and pathogens: an introduction

1.1 Introduction

1.2 Passive defence responses in host

1.3 Physical barriers

1.3.1 Trichomes

1.3.2 Cuticle

1.3.3 Stomata

1.4 Biochemical barriers

1.4.1 Cell wall immunity

1.5 Active immune responses in the host

1.5.1 PAMP/MAMP-triggered immunity

1.5.2 Pathogen/microbe-associated molecular patterns

1.5.3 Pattern recognition receptors

1.5.4 Effector triggered immunity

1.5.5 Fungal effector-R gene interaction

1.5.6 Bacterial effector-R gene interaction

1.6 PTI and ETI mediated immune signalling

1.6.1 MAPK signalling

1.6.2 ROS signalling

1.6.3 Calcium signalling

1.6.4 Hormone signalling

1.7 Transcriptional control of plant defence

1.8 Plant disease management strategies

1.9 Conclusions

References

Chapter Surveillance at the surface: pattern- and damage-triggered immunity in plants

2.1 Introduction

2.2 Plant defence at the surface: generalized and specialized arms

2.2.1 The generalized arm

2.2.2 The specialized arm

2.3 Plant innate immune system: distinct receptors engages in key roles

2.4 Pattern recognition receptors in surface immunity

2.4.1 Pattern recognition receptors and associated receptor kinases

2.4.2 PRRs and varied patterns they detect

2.5 Pattern- and damage-triggered immunity: mechanisms

2.5.1 PTI generalised scheme

2.5.2 Compounds/metabolites generated during PTI and their roles in plant defence

2.5.3 NAMP-triggered immunity

2.5.4 HAMP-triggered immunity

2.6 Redundant role of DAMP, NAMP and HAMP in mediating PTI

2.7 Representative MAMP-PRR and DAMP-PRR systems

2.7.1 FLS2-flg22 system

2.7.2 Pep-PEPR system.

2.8 MAMP- and DAMP-triggered PTI: additional resemblances

2.9 Variations amidst MAMP- and DAMP-induced PTI signalling mechanisms

2.9.1 On the basis of kinase type carried

2.9.2 Presence/absence of guanylyl cyclase domain and Ca2+ signalling

2.9.3 On the basis of co-receptor and RLCK interaction

2.9.4 Differential immune signalling in Arabidopsis root

2.9.5 Activation of DAMP expression by MAMP treatment and not vice versa

2.9.6 Quantitative variation in immune response markers

2.9.7 Unique RLCK involvement

2.10 Relieving PTI signalling

2.11 PTI towards non-pathogens

2.12 Regulation of pattern-triggered immunity

2.12.1 Protein phosphatase mediated regulation

2.12.2 MicroRNA mediated regulation

2.12.3 PRR mediated regulation

2.12.4 RLK-mediated regulation

2.12.5 RLCK mediated regulation

2.12.6 ETI mediated regulation of PTI

2.12.7 Regulation by MAP kinases

2.12.8 Regulation by calcium-responsive proteins

2.12.9 Pathogen induced regulation

2.12.10 Nematode- and insect herbivore-mediated regulation

2.13 Hormonal influence on PTI

2.14 Improvement of PTI signalling via PRR manipulation

2.14.1 Heterologous expression of PRR receptors

2.14.2 Expression of chimeric PRR proteins

2.14.3 Approaches to engineering DAMP-detecting PRRs

2.15 Conclusions

Chapter Fine-tuning the responses: role of phytohormones and their crosstalk in plant defence

3.1 Introduction

3.2 Plant defence hormones

3.2.1 Salicylic acid

3.2.2 Jasmonic acid

3.2.3 Ethylene

3.2.4 Abscisic acid

3.3 The plant hormone crosstalk

3.3.1 Crosstalk in a growth-defence trade-off

3.3.2 Crosstalk between defence hormones

3.3.3 Pathogens exploit phytohormone crosstalk

3.4 Conclusions

References.

Chapter Secret of success: effector-triggered host susceptibility by phytopathogens

4.1 Introduction

4.2 Breaking down the physical barriers

4.2.1 Effectors manipulating stomatal defence and plant cell wall

4.2.2 Effectors attacking plasmodesmata

4.2.3 Effectors aiding in destruction of the host plant cytoskeleton

4.3 Creating conditions favourable for infection

4.3.1 Effectors involved in construction of hydrophobic space

4.3.2 Effectors inducing extracellular alkalinisation

4.4 Protecting or masking themselves

4.4.1 Effectors targeting pattern recognition receptor

4.4.2 Effectors masking PAMP perception

4.5 Interfering with host plant cell physiological activities and manipulating plant downstream immune responses

4.5.1 Effectors that mimic and interfere with plant hormones

4.5.2 Effectors inducing host cell death

4.5.3 Effectors inhibiting cell-to-cell movement

4.5.4 Effector manipulation of vesicular trafficking

4.6 Reprogramming the host: effectors manipulating host gene expression

4.6.1 Effector modulation of plant transcription factors

4.6.2 Glorious TALEs: effectors acting as plant transcription factors

4.6.3 Effectors' interference with host plant protein function

4.6.4 Effectors targeting RNA silencing machinery

4.7 Conclusions

Chapter Eliminating the enemy: effector-triggered host immunity to combat infection

5.1 Introduction

5.2 Overview of NLR proteins

5.2.1 Toll/interleukin-1 receptor/resistance protein NLRs (TNLs)

5.2.2 Coiled-coil NLRs (CNLs)

5.2.3 RPW8-like CC domain NLRs (RNLs)

5.3 Effector perception inside the plant cell

5.3.1 Direct interaction of NLRs with pathogen effectors

5.3.2 Indirect NLR-effector interactions

5.3.3 Bacterial recognition mediated by NLRs

5.3.4 Fungal recognition mediated by NLRs.

5.4 Regulation of resistance genes (NLRs)

5.4.1 NLRs regulation at the transcriptional level

5.4.2 Epigenetic regulation

5.4.3 NLRs regulation at the post-transcriptional level

5.4.4 Regulation of NLRs by small interfering RNAs

5.4.5 Regulation of NLRs at the post-translational level

5.5 Association of intracellular receptors (NLRs) and signalling complex

5.5.1 NLRs association/oligomerization

5.5.2 Resistosome formation

5.6 Plant defence response governed by ETI

5.6.1 Formation of reactive oxygen species and cell death

5.6.2 Autophagy

5.6.3 Programmed cell death at infection site

5.6.4 Regulation of programmed cell death by salicylic acid

5.7 Reprogramming of defence-related genes

5.7.1 Regulation of WRKY transcription factors

5.7.2 Regulation via mediator complex

5.7.3 ETI mediated chromatin remodelling

5.7.4 Chromatin superstructure

5.8 Plant defence mediated by resistosomes

5.8.1 Resistosomes function via calcium (Ca2+) channel permeability

5.8.2 CNL resistosome-mediated extracellular Ca2+ influx

5.8.3 Cellular localization of CNLs

5.8.4 ETI-an enhanced PTI response

5.9 Conclusions

Chapter Silencing the enemy: role of RNAi-based immunity in plants

6.1 Introduction

6.2 Components of the RNAi pathway

6.3 Plant RNA silencing mechanism against viruses

6.4 Plant antiviral RNA silencing blocked by viral suppressor proteins

6.5 Conclusions

Chapter Remembering the attack: role of epigenetic modifications and their inheritance in plant defence

7.1 Introduction

7.2 Interplay between DNA methylation and plant-pathogen interactions

7.3 Multidimensional role of histone modifications in plant immunity

7.4 Regulation of pathogen response by chromatin assembly and remodelling.

7.5 The role of epigenetic memory in defence priming

7.6 Employing epigenetic modifications to improve biotic stress resilience in crops

7.7 Conclusions

Chapter Players in action: role of metabolites in plant defence

8.1 Introduction

8.2 Primary metabolism during defence

8.2.1 Photosynthesis

8.2.2 Carbohydrates metabolism and respiration

8.2.3 Nitrogen, amino acid and fatty acid metabolism

8.3 Role of primary metabolites in abiotic stress tolerance

8.3.1 Amino acids and polyamines

8.3.2 Carbohydrates

8.3.3 Lipids

8.4 Role of primary metabolites in biotic stress tolerance

8.5 Secondary metabolites and response to abiotic and biotic stresses

8.5.1 Phenolics

8.5.2 Terpenes

8.5.3 Nitrogen-containing secondary metabolites

8.5.4 Sulfur-containing secondary metabolites

8.5.5 Secondary metabolites as regulators of plant defence

8.6 Conclusions

Chapter Fast-forward to molecular and mutation breeding for developing disease-resistant varieties

9.1 Introduction

9.2 Disease resistance in plants

9.3 Mutation breeding: unleashing nature's potential

9.3.1 Physical mutagens

9.3.2 Chemical mutagens

9.4 Molecular breeding: unveiling genetic secrets

9.5 Recessive class analysis for disease resistance

9.6 Sequencing technology-based genotyping

9.6.1 Pan-genomics

9.6.2 Breeding for desirable traits: phenotyping derived genotyping

9.6.3 Speed breeding

9.6.4 Rapid generation advancement (RGA)

9.6.5 Double-haploid and shuttle breeding

9.6.6 Prediction-based early phenotyping

9.7 Molecular genotyping strategies: advances and prospects for quick breeding

9.7.1 Genotyping by sequencing

9.7.2 Genotyping arrays

9.7.3 Extreme trait GWAS (Et-GWAS)

9.7.4 RNA-sequence analysis

9.8 Genome editing.

9.8.1 Oligonucleotide-directed mutagenesis (ODM).

Notes:

Description based on publisher supplied metadata and other sources.

ISBN:

0-7503-5673-1

OCLC:

1525619228