ArticlePlant molecular biology2011
Functional characterization of four APETALA2-family genes (RAP2.6, RAP2.6L, DREB19 and DREB26) in Arabidopsis.
Article in Plant molecular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 104 papers, 1 of them a synthesis that pooled it.
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104 citing papers in PubMed, 1 synthesis or guideline pooled it, 208 citations in OpenAlex.
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- The SCARECROW-LIKE transcription factor from Populus davidiana × P. bolleana simultaneously improved drought tolerance and plant growth through acetylation-dependent mechanisms.Plant biotechnology journal · 2025Article
- A map of integrated cis-regulatory elements enhances gene-regulatory analysis in maize.Plant communications · 2025Article
- Depletion of Gibberellin Signaling Up-RegulatesInternational journal of molecular sciences · 2024Article
- Genome-wide identification and analysis of ERF transcription factors related to abiotic stress responses in Nelumbo nucifera.BMC plant biology · 2024Article
- Allelic variation of TaABI5-A4 significantly affects seed dormancy in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- The Potential Relevance of PnDREBs to Panax notoginseng Nitrogen Sensitiveness.Biochemical genetics · 2024Article
- Arabidopsis Transcriptomics Reveals the Role of Lipoxygenase2 (AtLOX2) in Wound-Induced Responses.International journal of molecular sciences · 2024Article
- Genome-Wide Identification and Expression Analysis of Kiwifruit Leucine-Rich Repeat Receptor-Like Proteins Reveal Their Roles in Biotic and Abiotic Stress Responses.International journal of molecular sciences · 2024Article
- ZmADF5, a Maize Actin-Depolymerizing Factor Conferring Enhanced Drought Tolerance in Maize.Plants (Basel, Switzerland) · 2024Article
- Tagitinin A regulates an F-box gene, CPR30, to resist tomato spotted wilt orthotospovirus (TSWV) infection in Nicotiana benthamiana.PloS one · 2024Article
- Dissection of quantitative trait nucleotides and candidate genes associated with agronomic and yield-related traits under drought stress in rapeseed varieties: integration of genome-wide association study and transcriptomic analysis.Frontiers in plant science · 2024Article
- Identification of the AP2/ERF transcription factor family of3 Biotech · 2023Article
- Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale.Scientific reports · 2022Article
44 more citing papers are in PubMed but not listed here.
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
APETALA2 (AP2) transcription factors (TFs) play very important roles in plant growth and development and in defense response. Here, we report functional characterization of four AP2 TF family genes [(RAP2.6 (At1g43160), RAP2.6L (At5g13330), DREB 26 (At1g21910) and DREB19 (At2g38340)] that were identified among NaCl inducible transcripts in abscisic acid responsive 17 (ABR17) transgenic Arabidopsis in our previous microarray analyses. DREB19 and DREB26 function as transactivators and localize in the nucleus. All four genes were abundant in early vegetative and flowering stages, although the magnitude of the expression varied. We observed tissue specific expression patterns for RAP2.6, RAP2.6L, DREB19 and DREB26 in flowers and other organs. RAP2.6 and RAP2.6L were responsive to stress hormones like jasmonic acid, salicylic acid, abscisic acid and ethylene in addition to salt and drought. DREB19 and DREB26 were less responsive to stress hormones, but the former was highly responsive to salt, heat and drought. Overexpression of RAP2.6 in Arabidopsis resulted in a dwarf phenotype with extensive secondary branching and small siliques, and DREB26 overexpression resulted in deformed plants. However, overexpression of RAP2.6L and DREB19 enhanced performance under salt and drought stresses without affecting phenotype. In summary, we have demonstrated that RAP2.6, RAP2.6L, DREB26 and DREB19 are transactivators, they exhibit tissue specific expression, and they participate in plant developmental processes as well as biotic and/or abiotic stress signaling. It is possible that the results from this study on these transcription factors, in particular RAP2.6L and DREB19, can be utilized in developing salt and drought tolerant plants in the future.
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