Related Experiment Video
Updated: Nov 16, 2025
13:56
A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
Published on: July 18, 2013
11.4K
Two sides of the same story in grapevine-pathogen interactions
Rita B Santos1, Andreia Figueiredo1
1Biosystems & Integrative Sciences Institute (BioISI), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal.
Journal of Experimental Botany
|February 25, 2021
Summary
Plant proteases are crucial for defense against pathogens. This review explores serine, cysteine, and aspartic proteases in grapevine (Vitis vinifera) defense mechanisms against various diseases.
Area of Science:
- Plant Pathology
- Molecular Biology
- Biochemistry
Background:
- Proteases are essential components of plant defense systems, mediating hypersensitive response, priming, and signaling.
- They are involved in pathogen/microbe-associated molecular pattern (PAMP/MAMP)-triggered immunity and effector-triggered immunity.
- The specific roles of proteases in grapevine (Vitis vinifera) defense against pathogens are not well understood.
Purpose of the Study:
- To review the current knowledge on grapevine pathosystems.
- To explore the contribution of different protease families (serine, cysteine, aspartic) to plant defense in grapevine.
- To consider the roles of both host and pathogen proteases.
Main Methods:
- Literature review of existing research on grapevine pathosystems and protease functions.
- Synthesis of information on serine, cysteine, and aspartic proteases in plant-pathogen interactions.
- Analysis of host-pathogen interactions from the perspective of proteolytic cascades.
Main Results:
- Proteases play multifaceted roles in plant immunity, including recognition events and signaling pathways.
- Different protease families exhibit diverse functions in plant defense responses.
- Understanding these roles is critical for managing grapevine diseases.
Conclusions:
- Proteases are key players in grapevine's complex defense strategies against pathogens.
- Further research into grapevine proteases can lead to improved disease resistance strategies.
- Targeting host or pathogen proteases may offer novel approaches for crop protection.
Keywords:
Botrytis cinereaErysiphe necatorPlasmopara viticolaVitis viniferaXylella fastidiosapathogenplant defenceplant–pathogen interactionproteaseMore Related Videos
14:58High-Throughput Transcriptome Analysis for Investigating Host-Pathogen Interactions
Published on: March 5, 2022
4.6K
11:12Protocols for Investigating the Host-tissue Distribution, Transmission-mode, and Effect on the Host Fitness of a Densovirus in the Cotton Bollworm
Published on: April 12, 2017
8.8K
Related Concept Videos
01:20Infection
9.9K
When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
9.9K
00:57Viral Recombination
24.4K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.4K
02:39Gene Flow
36.7K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
36.7K
01:27Horizontal Gene Transfer
737
Horizontal gene transfer (HGT) is a process where genetic material moves between organisms within the same generation, unlike vertical gene transfer, which occurs from parent to offspring. HGT plays a crucial role in microbial evolution, adaptation, and survival, particularly in shared environments like the human gut.Mobile genetic elements such as plasmids, prophages, integrons, insertion sequences, and transposons facilitate this process. HGT occurs through three primary mechanisms:...
737
01:19Interactions Between Signaling Pathways
6.9K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
6.9K
01:26Pharmacokinetics: Drug–Food and Drug–Viral Interactions
78
A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
78