ArticleMolecular genetics and genomics : MGG2012
Genome-wide investigation and expression analysis suggest diverse roles of auxin-responsive GH3 genes during development and response to different stimuli in tomato (Solanum lycopersicum).
Article in Molecular genetics and genomics : MGG, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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53 citing papers in PubMed, 149 citations in OpenAlex.
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- Evolution analysis of GH3 gene family in five Rosaceae species and FaGH3.17, FaGH3.18 improve drought tolerance in transgenic Arabidopsis.BMC plant biology · 2025Article
- The triggering mechanism for predominant hormonal signal production in fleshy fruit ripening.Molecular horticulture · 2025Review
- Genome-Wide Analysis of GRETCHEN HAGEN3 Genes and Characterization of IAA-Amido Synthetase GenePlants (Basel, Switzerland) · 2025Article
- Genome-wide comprehensive analysis the molecular phylogenetic evolution, functional divergence and tissue-specific expression ofFrontiers in plant science · 2025Article
- Exploring Genomic Regions Associated with Fruit Traits in Pepper: Insights from Multiple GWAS Models.International journal of molecular sciences · 2024Article
- Genome-Wide Analysis of the Auxin/Indoleacetic Acid (International journal of molecular sciences · 2024Article
- Genome-wide identification and expression characterization of the GH3 gene family of tea plant (Camellia sinensis).BMC genomics · 2024Article
- Genome-wide identification, characterization, and expression analysis of the sweet potato (Ipomoea batatas [L.] Lam.) ARF, Aux/IAA, GH3, and SAUR gene families.BMC plant biology · 2023Article
- Comprehensive Analysis ofInternational journal of molecular sciences · 2023Article
- Elevated methylglyoxal levels inhibit tomato fruit ripening by preventing ethylene biosynthesis.Plant physiology · 2023Article
- Evolutionary Analysis of the Melon (Plants (Basel, Switzerland) · 2023Article
- Ethylene response factor ERF.D7 activates auxin response factor 2 paralogs to regulate tomato fruit ripening.Plant physiology · 2022Article
- A comparative transcriptomics and eQTL approach identifies SlWD40 as a tomato fruit ripening regulator.Plant physiology · 2022Article
- Genome-Wide Analysis, Modeling, and Identification of Amino Acid Binding Motifs Suggest the Involvement ofPlants (Basel, Switzerland) · 2021Article
- Overexpression ofGenes · 2021Article
- Identification ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Identification and expression analysis of auxin-responsive GH3 family genes in Chinese hickory (Carya cathayensis) during grafting.Molecular biology reports · 2020Article
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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
In plants, auxin-mediated responses are regulated by diverse proteins. One such class of proteins, i.e. GH3, is involved in the conjugation of IAA to amino acids and provides a negative feedback loop to control auxin homoeostasis. In order to have a better understanding of the mechanism of the auxin action, 15 genes encoding GH3 members were identified using existing EST databases of tomato. Their orthologs were identified from tobacco, potato, N. benthemiana, pepper, and petunia. Phylogenetic analysis of AtGH3, SlGH3, and their Solanaceae orthologs provided insights into various orthologous relationships among these proteins. These genes were found to be responsive to a variety of signals including, phytohormones and environmental stresses. Analysis of AuxRE elements in their promoters showed variability in the sequence as well as number of this element. Up-regulation of only 11 SlGH3 genes, in response to exogenous auxin, suggested possible relationship between the diversity in the sequence and number of AuxRE element with the auxin inducibility. Expression analysis of SlGH3 genes in different vegetative and reproductive tissues/stages suggested limited or no role for most of the SlGH3 genes at the initiation of fruit ripening. However, up-regulation of SlGH3-1 and -2 at the onset of fruit ripening indicates that these genes could have a role in fruit ripening. The present study characterizes GH3 gene family of tomato and its evolutionary relationship with members of this family from other Solanaceae species and Arabidopsis. It could help in the identification of GH3 genes and revelation of their function during vegetative/reproductive development stages from other Solanaceae members.
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