ArticleJournal of experimental botany2009
Identification and functional analysis of pistil self-incompatibility factor HT-B of Petunia.
Article in Journal of experimental botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 39 citations in OpenAlex.
- S-RNase-based self-incompatibility in angiosperms: Degradation, condensation, and evolution.Plant physiology · 2025Review
- Functional Analyses of Flavonol Synthase Genes FromFrontiers in plant science · 2021Article
- SIPP, a Novel Mitochondrial Phosphate Carrier, Mediates in Self-Incompatibility.Plant physiology · 2017Article
- Pollen-Pistil Interactions and Their Role in Mate Selection.Plant physiology · 2017Review
- SCF(SLF)-mediated cytosolic degradation of S-RNase is required for cross-pollen compatibility in S-RNase-based self-incompatibility in Petunia hybrida.Frontiers in genetics · 2014Article
- Developmental onset of reproductive barriers and associated proteome changes in stigma/styles of Solanum pennellii.Journal of experimental botany · 2013Article
- NaStEP: a proteinase inhibitor essential to self-incompatibility and a positive regulator of HT-B stability in Nicotiana alata pollen tubes.Plant physiology · 2013Article
- Physical mapping of a pollen modifier locus controlling self-incompatibility in apricot and synteny analysis within the Rosaceae.Plant molecular biology · 2012Article
- Compatibility and incompatibility in S-RNase-based systems.Annals of botany · 2011Review
- Molecular and genetic characterization of novel S-RNases from a natural population of Nicotiana alata.Plant cell reports · 2010Article
- Ectopic expression of S-RNase of Petunia inflata in pollen results in its sequestration and non-cytotoxic function.Sexual plant reproduction · 2009Article
- S-RNase Internalisation and Vacuolar Targeting via Clathrin-Dependent Endocytosis Mediate Interspecific Pollen Rejection in Nicotiana.Physiologia plantarumArticle
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gametophytic self-incompatibility (GSI) in Solanaceae, Rosaceae, and Plantaginaceae is controlled by a multiallelic S-locus. The specificities of pistil and pollen are controlled by separate S-locus genes, S-RNase and SLF/SFB, respectively. Although the S-specificity is determined by the S-locus genes, factors located outside the S-locus are also required for expression of GSI. HT-B is one of the pistil non-S-factors identified in Nicotiana and Solanum, and encodes a small asparagine/aspartate-rich extracellular protein with unknown biochemical function. Here, HT-B was cloned from Petunia and characterized. The structural features and expression pattern of Petunia HT-B were very similar to those of Nicotiana and Solanum. Unlike other solanaceous species, expression of HT-B was also observed in self-compatible Petunia species. RNA interference (RNAi)-mediated suppression of Petunia HT-B resulted in partial breakdown of GSI. Quantitative analysis of the HT-B mRNA accumulation in the transgenics showed that a 100-fold reduction is not sufficient and a >1000-fold reduction is required to achieve partial breakdown of GSI.
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