ArticlePlant physiology2009
Disruption of glycosylphosphatidylinositol-anchored lipid transfer protein gene altered cuticular lipid composition, increased plastoglobules, and enhanced susceptibility to infection by the fungal pathogen Alternaria brassicicola.
Article in Plant physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers.
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93 citing papers in PubMed.
- Transcriptome-Based Identification ofPlants (Basel, Switzerland) · 2026Article
- Localization and Functional Analysis of CtLTP8, an Extracellular Vesicle Protein That Enhances Resistance toPlants (Basel, Switzerland) · 2026Article
- Plant Non-Specific Lipid Transfer Proteins (nsLTPs): Comprehensive Functional Analysis and Defense Mechanisms.Biology · 2026Review
- Genome-wide analysis of FATA associated with drought tolerance in tetraploid potato (Frontiers in plant science · 2026Article
- Single-cell transcriptome sequencing reveals the sphingolipid metabolism pathway plays an important role in leaf senescence in tobacco.BMC plant biology · 2025Article
- Comparative transcriptome analysis reveals the function of SoCER4 in alkanol synthesis in sugarcane.Functional & integrative genomics · 2025Article
- A chromosome-scale and haplotype-resolved genome assembly of tetraploid blackberry (Horticulture research · 2025Article
- Sugars, Lipids and More: New Insights Into Plant Carbon Sources During Plant-Microbe Interactions.Plant, cell & environment · 2025Review
- Roles of non-specific lipid transfer proteins in plant defense: structural and functional perspectives.Frontiers in fungal biology · 2025Review
- Integrative Transcriptomic and Small RNA Analysis Uncovers Key Genes for Cold Resistance in Rice.Genes · 2024Article
- Transcriptional regulation of phospholipid transport in cotton fiber elongation by GhMYB30D04-GhHD1 interaction complex.Journal of integrative plant biology · 2024Article
- Integrative multi-omic analysis identifies genes associated with cuticular wax biogenesis in adult maize leaves.G3 (Bethesda, Md.) · 2024Article
- Article
- Multi-omic characterization of the maize GPI synthesis mutant gwt1 with defects in kernel development.BMC plant biology · 2023Article
- Effects of aMembranes · 2023Article
- Emission of floral volatiles is facilitated by cell-wall non-specific lipid transfer proteins.Nature communications · 2023Article
- A Systematic Investigation of Lipid Transfer Proteins Involved in Male Fertility and Other Biological Processes in Maize.International journal of molecular sciences · 2023Article
- The revealing of a novel lipid transfer protein lineage in green algae.BMC plant biology · 2023Article
- The non-specific lipid transfer protein McLTPII.9 ofFrontiers in plant science · 2023Article
- Lipid transfer proteins involved in plant-pathogen interactions and their molecular mechanisms.Molecular plant pathology · 2022Review
33 more citing papers are in PubMed but not listed here.
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10 authors.
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Abstract
All aerial parts of vascular plants are covered with cuticular waxes, which are synthesized by extensive export of intracellular lipids from epidermal cells to the surface. Although it has been suggested that plant lipid transfer proteins (LTPs) are involved in cuticular lipid transport, the in planta evidence is still not clear. In this study, a glycosylphosphatidylinositol-anchored LTP (LTPG1) showing higher expression in epidermal peels of stems than in stems was identified from an Arabidopsis (Arabidopsis thaliana) genome-wide microarray analysis. The expression of LTPG1 was observed in various tissues, including the epidermis, stem cortex, vascular bundles, mesophyll cells, root tips, pollen, and early-developing seeds. LTPG1 was found to be localized in the plasma membrane. Disruption of the LTPG1 gene caused alterations of cuticular lipid composition, but no significant changes on total wax and cutin monomer loads were seen. The largest reduction (10 mass %) in the ltpg1 mutant was observed in the C29 alkane, which is the major component of cuticular waxes in the stems and siliques. The reduced content was overcome by increases of the C29 secondary alcohols and C29 ketone wax loads. The ultrastructure analysis of ltpg1 showed a more diffuse cuticular layer structure, protrusions of the cytoplasm into the vacuole in the epidermis, and an increase of plastoglobules in the stem cortex and leaf mesophyll cells. Furthermore, the ltpg1 mutant was more susceptible to infection by the fungus Alternaria brassicicola than the wild type. Taken together, these results indicated that LTPG1 contributed either directly or indirectly to cuticular lipid accumulation.
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