ArticleJournal of experimental botany2020
The ethylene receptors CpETR1A and CpETR2B cooperate in the control of sex determination in Cucurbita pepo.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 49 citations in OpenAlex.
- The ga3ox1b mutation reveals the crosstalk between gibberellin and other phytohormones in controlling the growth and development of female flowers in Cucurbita pepo.Journal of experimental botany · 2026Article
- Ethylene in fruits: beyond ripening control.Horticulture research · 2024Article
- Exploring ethylene-related genes in Cannabis sativa: implications for sexual plasticity.Plant reproduction · 2024Article
- The transcription factor CpMYB62 controls the genetic network that leads to the determination of female flowers inHorticulture research · 2024Article
- TSPO-induced degradation of the ethylene receptor RhETR3 promotes salt tolerance in rose (Horticulture research · 2024Article
- An miR164-resistant mutation in the transcription factor gene CpCUC2B enhances carpel arrest and ectopic boundary specification in Cucurbita pepo flower development.Journal of experimental botany · 2024Article
- Transcriptomic analysis reveals the molecular basis of photoperiod-regulated sex differentiation in tropical pumpkins (Cucurbita moschata Duch.).BMC plant biology · 2024Article
- Comparative RNA-Seq Analysis between Monoecious and Androecious Plants Reveals Regulatory Mechanisms Controlling Female Flowering inInternational journal of molecular sciences · 2023Article
- Ethylene produced in carpel primordia controls CmHB40 expression to inhibit stamen development.Nature plants · 2023Article
- Impact of Climate Change on Regulation of Genes Involved in Sex Determination and Fruit Production in Cucumber.Plants (Basel, Switzerland) · 2023Review
- Review
- Importin β1 Mediates Nuclear Entry of EIN2C to Confer the Phloem-Based Defense against Aphids.International journal of molecular sciences · 2023Article
- Molecular mapping of genomic regions and identification of possible candidate genes associated with gynoecious sex expression in bitter gourd.Frontiers in plant science · 2023Article
- Association mapping of plant sex and cross-compatibility related traits in white Guinea yam (Dioscorea rotundata Poir.) clones.BMC plant biology · 2022Article
- Identification of suitable reference genes for quantitative reverse transcription PCR inPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Mining for genes related to pistil abortion inPeerJ · 2022Article
- Integrated transcriptome and hormone analyses provide insights into silver thiosulfate-induced "maleness" responses in the floral sex differentiation of pumpkin (Frontiers in genetics · 2022Article
- Genome-Wide Association Studies for Sex Determination and Cross-Compatibility in Water Yam (Plants (Basel, Switzerland) · 2021Article
- Involvement of ethylene receptors in the salt tolerance response of Cucurbita pepo.Horticulture research · 2021Article
- The Ethylene Biosynthesis GeneFrontiers in plant science · 2021Article
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8 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
High-throughput screening of an ethyl methanesulfonate-generated mutant collection of Cucurbita pepo using the ethylene triple-response test resulted in the identification of two semi-dominant ethylene-insensitive mutants: etr1a and etr2b. Both mutations altered sex determination mechanisms, promoting conversion of female into bisexual or hermaphrodite flowers, and monoecy into andromonoecy, thereby delaying the transition to female flowering and reducing the number of pistillate flowers per plant. The mutations also altered the growth rate and maturity of petals and carpels in pistillate flowers, lengthening the time required for flowers to reach anthesis, as well as stimulating the growth rate of ovaries and the parthenocarpic development of fruits. Whole-genome sequencing allowed identification of the causal mutation of the phenotypes as two missense mutations in the coding region of CpETR1A and CpETR2B, each one corresponding to one of the duplicates of ethylene receptor genes highly homologous to Arabidopsis ETR1 and ETR2. The phenotypes of homozygous and heterozygous single- and double-mutant plants indicated that the two ethylene receptors cooperate in the control of the ethylene response. The level of ethylene insensitivity, which was determined by the strength of each mutant allele and the dose of wild-type and mutant etr1a and etr2b alleles, correlated with the degree of phenotypic changes in the mutants.
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