The metabolic interface between Pseudomonas syringae and plant cells
Arantza Rico1, Sarah L McCraw, Gail M Preston
1Department of Plant Sciences, University of Oxford, South Parks Road, OX1 3RB, Oxford, UK.
Current Opinion in Microbiology
|January 18, 2011
Summary
Pseudomonas syringae manipulates plant metabolism to cause disease. New multi-omics approaches reveal host-pathogen metabolic interactions, advancing our understanding of plant infections.
Area of Science:
- Plant pathology
- Microbial pathogenesis
- Metabolomics
Background:
- Pseudomonas syringae is a bacterial plant pathogen causing significant economic damage.
- Research has focused on P. syringae's effector proteins in suppressing plant defenses.
- The role of pathogen-secreted molecules in manipulating plant metabolism remains under-explored.
Purpose of the Study:
- To investigate the role of Pseudomonas syringae's secreted molecules in manipulating host plant metabolism.
- To understand the system-level metabolic interactions at the host-pathogen interface.
Main Methods:
- Utilizing advances in metabolomics, genomics, and transcriptomics.
- Employing metabolic modeling for a systems-level understanding.
Main Results:
- Identification of key metabolic pathways targeted by P. syringae.
- Elucidation of how pathogen effectors, toxins, and hormones influence host metabolism.
- Characterization of the metabolic dialogue during infection.
Conclusions:
- Pathogen-secreted molecules are crucial for altering host metabolism to facilitate infection.
- Integrated multi-omics and modeling approaches provide novel insights into plant-microbe metabolic interactions.
- This research opens new avenues for managing plant diseases by targeting metabolic pathways.
More Related Videos
Related Concept Videos
01:09Microbe-Plant Interactions
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
01:14Cell Adhesion in Plants
Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose, and...
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose, and...
01:25Cell Signaling in Plants
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
01:46The Apoplast and Symplast
Plant growth depends on its ability to take up water and dissolved minerals from the soil. The root system of every plant is equipped with the necessary tissues to facilitate the entry of water and solutes. The plant tissues involved in the transport of water and minerals have two major compartments - the apoplast and the symplast. The apoplast includes everything outside the plasma membrane of living cells and consists of cell walls, extracellular spaces, xylem, phloem, and tracheids. The...
01:27C4 Pathway and CAM
Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
C4 Pathway
The C4 pathway is used by plants such as...
C4 Pathway
The C4 pathway is used by plants such as...
02:43Plant Cell Wall
The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.Collenchyma and sclerenchyma cells, on the other hand, mainly occur in the outer layers of a plant's stems and leaves. These cells provide the plant with strength and support by either partially thickening their primary cell wall (i.e., collenchyma), or depositing a...