ArticleFrontiers in plant science2015
Co-silencing of tomato S-adenosylhomocysteine hydrolase genes confers increased immunity against Pseudomonas syringae pv. tomato DC3000 and enhanced tolerance to drought stress.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 41 citations in OpenAlex.
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- Sorghum root epigenetic landscape during limiting phosphorus conditions.Plant direct · 2022Article
- Transcriptome Analysis of Potato Infected with the Necrotrophic PathogenPlants (Basel, Switzerland) · 2021Article
- Functional and Pathological Roles of AHCY.Frontiers in cell and developmental biology · 2021Review
- Role of the methionine cycle in the temperature-sensitive responses of potato plants to potato virus Y.Molecular plant pathology · 2021Article
- Phloem Sap Proteins Are Part of a Core Stress Responsive Proteome Involved in Drought Stress Adjustment.Frontiers in plant science · 2021Article
- SKIP Silencing Decreased Disease Resistance AgainstFrontiers in plant science · 2020Article
- BABA-Induced DNA Methylome Adjustment to Intergenerational Defense Priming in Potato toFrontiers in plant science · 2019Article
- Transcriptional insights into the pyramided resistance to rice bacterial blight.Scientific reports · 2018Article
- Should I fight or should I grow now? The role of cytokinins in plant growth and immunity and in the growth-defence trade-off.Annals of botany · 2017Review
- Functional Characterization ofFrontiers in plant science · 2017Article
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- Comparative Analyses ofThe plant pathology journal · 2016Article
- Identification and functional characterization of the sulfate transporter gene GmSULTR1;2b in soybean.BMC genomics · 2016Article
- Virus-Induced Gene Silencing-Based Functional Analyses Revealed the Involvement of Several Putative Trehalose-6-Phosphate Synthase/Phosphatase Genes in Disease Resistance against Botrytis cinerea and Pseudomonas syringae pv. tomato DC3000 in Tomato.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
S-adenosylhomocysteine hydrolase (SAHH), catalyzing the reversible hydrolysis of S-adenosylhomocysteine (SAH) to adenosine and homocysteine, is a key enzyme that maintain the cellular methylation potential in all organisms. We report here the biological functions of tomato SlSAHHs in stress response. The tomato genome contains three SlSAHH genes that encode SlSAHH proteins with high level of sequence identity. qRT-PCR analysis revealed that SlSAHHs responded with distinct expression induction patterns to Pseudomonas syringae pv. tomato (Pst) DC3000 and Botrytis cinerea as well as to defense signaling hormones such as salicylic acid, jasmonic acid and a precursor of ethylene. Virus-induced gene silencing-based knockdown of individual SlSAHH gene did not affect the growth performance and the response to Pst DC3000. However, co-silencing of three SlSAHH genes using a conserved sequence led to significant inhibition of vegetable growth. The SlSAHH-co-silenced plants displayed increased resistance to Pst DC3000 but did not alter the resistance to B. cinerea. Co-silencing of SlSAHHs resulted in constitutively activated defense responses including elevated SA level, upregulated expression of defense-related and PAMP-triggered immunity marker genes and increased callose deposition and H2O2 accumulation. Furthermore, the SlSAHH-co-silenced plants also exhibited enhanced drought stress tolerance although they had relatively small roots. These data demonstrate that, in addition to the functions in growth and development, SAHHs also play important roles in regulating biotic and abiotic stress responses in plants.
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