ArticleJournal of experimental botany2012
Overexpression of the aspartic protease ASPG1 gene confers drought avoidance in Arabidopsis.
Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.
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76 citing papers in PubMed, 185 citations in OpenAlex.
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- Unveiling the Genomic Architecture of Phenotypic Plasticity Using Multiple GWAS Approaches Under Contrasting Conditions of Water Availability: A Model for Barley.International journal of molecular sciences · 2026Article
- Dissecting the genetic basis underlying drought tolerance at different development stages in soybean.Frontiers in plant science · 2026Article
- The transcriptome-identified gene HaSAPK3.8 of sunflower (Helianthus annuus L.) confers drought resistance in tobacco.BMC plant biology · 2025Article
- Characterization of drought-responsive subtilisin genes in upland rice: the role of OsSub14 in ABA signaling and ROS accumulation.BMC plant biology · 2025Article
- Four guidelines to identify bona fide protease-substrate pairs.Journal of experimental botany · 2025Review
- Shifting Routes: Plant-Specific Insert Trafficking and Function in Arabidopsis Seedlings Under Abiotic Stress.Plant direct · 2025Article
- The OsAP4-OsCATA/OsCATC Regulatory Module Orchestrates Drought Stress Adaptation in Rice Seedlings Through ROS Scavenging.Plants (Basel, Switzerland) · 2025Article
- Genome-Wide Identification and Expression Analysis ofPlants (Basel, Switzerland) · 2025Article
- Temperature-induced variation in the transcriptome of maritime pine (Pinus pinaster Ait.) embryogenic masses modulates the phenotype of the derived plants.BMC genomics · 2025Article
- Genome-wide identification and expression patterns of the aspartic protease gene family in Epimedium pubescens.BMC genomics · 2025Article
- Deciphering drought response mechanism in Tibetan qingke through comprehensive transcriptomic and physiological analysis.Frontiers in plant science · 2025Article
- Transcriptome and translatome profiling of Col-0 and grp7grp8 under ABA treatment in Arabidopsis.Scientific data · 2024Article
- Transcriptomic Analyses Reveal ThatInternational journal of molecular sciences · 2024Article
- Transcriptome Profiling Reveals the Response of Seed Germination ofPlants (Basel, Switzerland) · 2024Article
- Heterologous overexpression of heat shock protein 20 genes of different species of yellow Camellia in Arabidopsis thaliana reveals their roles in high calcium resistance.BMC plant biology · 2024Article
- Drought Stress Response in Guar (Plants (Basel, Switzerland) · 2023Review
- Sunflower Hybrids and Inbred Lines Adopt Different Physiological Strategies and Proteome Responses to Cope with Water Deficit.Biomolecules · 2023Article
- Protease inhibitor ASP enhances freezing tolerance by inhibiting protein degradation in kumquat.Horticulture research · 2023Article
16 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Drought is one of the most severe environmental stresses affecting plant growth and limiting crop production. Although many genes involved in adaptation to drought stress have been disclosed, the relevant molecular mechanisms are far from understood. This study describes an Arabidopsis gene, ASPG1 (ASPARTIC PROTEASE IN GUARD CELL 1), that may function in drought avoidance through abscisic acid (ABA) signalling in guard cells. Overexpression of the ASPG1 gene enhanced ABA sensitivity in guard cells and reduced water loss in ectopically overexpressing ASPG1 (ASPG1-OE) transgenic plants. In ASPG1-OE plants, some downstream targets in ABA and/or drought-signalling pathways were altered at various levels, suggesting the involvement of ASPG1 in ABA-dependent drought avoidance in Arabidopsis. By analysing the activities of several antioxidases including superoxide dismutase and catalase in ASPG1-OE plants, the existence was demonstrated of an effective detoxification system for drought avoidance in these plants. Analysis of ProASPG1-GUS lines showed a predominant guard cell expression pattern in various aerial tissues. Moreover, the protease activity of ASPG1 was characterized in vitro, and two aspartic acid sites, D180 and D379, were found to be key residues for ASPG1 aspartic protease activity in response to ABA. In summary, these findings suggest that functional ASPG1 may be involved in ABA-dependent responsiveness and that overexpression of the ASPG1 gene can confer drought avoidance in Arabidopsis.
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