ArticlePlanta2005
The ABI2-dependent abscisic acid signalling controls HrpN-induced drought tolerance in Arabidopsis.
Article in Planta, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 91 citations in OpenAlex.
- Molecular identification and functional analysis of HrpZ2, a new member of the harpin superfamily fromFrontiers in plant science · 2025Article
- Extracellular niche establishment by plant pathogens.Nature reviews. Microbiology · 2024Review
- Rice aquaporin OsPIP2;2 is a water-transporting facilitator in relevance to drought-tolerant responses.Plant direct · 2021Article
- Whole-genome characterization of Rosa chinensis AP2/ERF transcription factors and analysis of negative regulator RcDREB2B in Arabidopsis.BMC genomics · 2021Article
- Response of hrpZEnvironmental science and pollution research international · 2021Article
- The application of exogenous PopW increases the tolerance ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- The stability of the coiled-coil structure near to N-terminus influence the heat resistance of harpin proteins from Xanthomonas.BMC microbiology · 2020Article
- Lignin synthesized by CmCAD2 and CmCAD3 in oriental melon (Cucumis melo L.) seedlings contributes to drought tolerance.Plant molecular biology · 2020Article
- HpaXpm, a novel harpin of Xanthomonas phaseoli pv. manihotis, acts as an elicitor with high thermal stability, reduces disease, and promotes plant growth.BMC microbiology · 2020Article
- Article
- Overexpression of SSBFrontiers in plant science · 2018Article
- Overexpression ofFrontiers in plant science · 2018Article
- The signal peptide-like segment of hpaXm is required for its association to the cell wall in transgenic tobacco plants.PloS one · 2017Article
- Harpin Hpa1 promotes flower development in Impatiens and Parochetus plants.Botanical studies · 2016Article
- Overexpression of a harpin-encoding gene popW from Ralstonia solanacearum primed antioxidant defenses with enhanced drought tolerance in tobacco plants.Plant cell reports · 2016Article
- A Phytophthora sojae cytoplasmic effector mediates disease resistance and abiotic stress tolerance in Nicotiana benthamiana.Scientific reports · 2015Article
- Expression of turtle riboflavin-binding protein represses mitochondrial electron transport gene expression and promotes flowering in Arabidopsis.BMC plant biology · 2014Article
- Downregulation of leaf flavin content induces early flowering and photoperiod gene expression in Arabidopsis.BMC plant biology · 2014Article
- Transgenic expression of a functional fragment of harpin protein Hpa1 in wheat induces the phloem-based defence against English grain aphid.Journal of experimental botany · 2014Article
- Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
HrpN, a protein produced by the plant pathogenic bacterium Erwinia amylovora, has been shown to stimulate plant growth and resistance to pathogens and insects. Here we report that HrpN activates abscisic acid (ABA) signalling to induce drought tolerance (DT) in Arabidopsis thaliana L. plants grown with water stress. Spraying wild-type plants with HrpN-promoted stomatal closure decreased leaf transpiration rate, increased moisture and proline levels in leaves, and alleviated extents of damage to cell membranes and plant drought symptoms caused by water deficiency. In plants treated with HrpN, ABA levels increased; expression of several ABA-signalling regulatory genes and the important effector gene rd29B was induced or enhanced. Induced expression of rd29B, promotion of stomatal closure, and reduction in drought severity were observed in the abi1-1 mutant, which has a defect in the phosphatase ABI1, after HrpN was applied. In contrast, HrpN failed to induce these responses in the abi2-1 mutant, which is impaired in the phosphatase ABI2. Inhibiting wild-type plants to synthesize ABA eliminated the role of HrpN in promoting stomatal closure and reducing drought severity. Moreover, resistance to Pseudomonas syringae developed in abi2-1 as in wild-type plants following treatment with HrpN. Thus, an ABI2-dependent ABA signalling pathway is responsible for the induction of DT but does not affect pathogen defence under the circumstances of this study.
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