ArticlePlanta2009
Overexpression of AtHsp90.2, AtHsp90.5 and AtHsp90.7 in Arabidopsis thaliana enhances plant sensitivity to salt and drought stresses.
Article in Planta, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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Who cites it
52 citing papers in PubMed, 124 citations in OpenAlex.
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- Research Progress on Responses and Regulatory Mechanisms of Plants Under High Temperature.Current issues in molecular biology · 2025Review
- Disease-Resistance Functional Analysis and Screening of Interacting Proteins of ZmCpn60-3, a Chaperonin 60 Protein from Maize.Plants (Basel, Switzerland) · 2025Article
- Integrative analysis of transcriptome and metabolome reveal molecular mechanism of tolerance to salt stress in rice.BMC plant biology · 2025Article
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- Genome-Wide Analysis of the Oat (International journal of molecular sciences · 2024Article
- Overexpression of stress granule protein TZF1 enhances salt stress tolerance by targetingFrontiers in plant science · 2024Article
- Genome-wide characterization of DcHsp90 gene family in carnation (Dianthus caryophyllus L.) and functional analysis of DcHsp90-6 in heat tolerance.Protoplasma · 2023Article
- Genome-wide analysis of HSF family and overexpression ofFrontiers in plant science · 2023Article
- Proteomic Analysis of Roots Response to Potassium Deficiency and the Effect of TaHAK1-4A on KInternational journal of molecular sciences · 2022Article
- Characterization of the gene expression profile response to drought stress inFrontiers in plant science · 2022Article
- Plant Gravitropism: From Mechanistic Insights into Plant Function on Earth to Plants Colonizing Other Worlds.Methods in molecular biology (Clifton, N.J.) · 2022Review
- Genome Structures and Evolution Analysis ofFrontiers in plant science · 2022Article
- Profiling of NPlants (Basel, Switzerland) · 2021Article
- Salinity tolerance mechanisms and their breeding implications.Journal, genetic engineering & biotechnology · 2021Review
- Ectopic Expression of a Heterologous Glutaredoxin Enhances Drought Tolerance and Grain Yield in Field Grown Maize.International journal of molecular sciences · 2021Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Three AtHsp90 isoforms, cytosolic AtHsp90.2, chloroplast-located AtHsp90.5, and endoplasmic reticulum (ER)-located AtHsp90.7, were characterized by constitutive overexpressing their genes in Arabidopsis thaliana. Both types of the transgenic plants overexpressing cytosolic and organellar AtHsp90s showed reduced tolerance to salt and drought stresses with lower germination rates and fresh weights, but improved tolerance to high concentration of Ca(2+) comparing with the wild type plants. Transcriptional analysis of ABA-responsive genes, RD29A, RD22 and KIN2 under salt and drought stresses, indicated that the induction expression of these genes was delayed by constitutive overexpression of cytosolic AtHsp90.2, but was hardly affected by that of organellar AtHsp90.5 and AtHsp90.7. These results implied that Arabidopsis different cellular compartments-located Hsp90s in Arabidopsis might be involved in abiotic stresses by different functional mechanisms, probably through ABA-dependent or Ca(2+) pathways, and proper homeostasis of Hsp90 was critical for cellular stress response and/or tolerance in plants.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.