The miR166–SlHB15A regulatory module controls ovule development and parthenocarpic fruit set under adverse temperatures in tomato

Clépet, Christian; Devani, Ravi Suresh; Boumlik, Rachid; Hao, Yanwei; Morin, Halima; Marcel, Fabien; Verdenaud, Marion; Mania, Brahim; Brisou, Gwilherm; Citerne, Sylvie; Mouille, Grégory; Lepeltier, Jean-Christophe; Koussevitzky, Shai; Boualem, Adnane; Bendahmane, Abdelhafid

doi:10.1016/j.molp.2021.05.005

Cited by 52 publications

(39 citation statements)

References 70 publications

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“…Thus, by altering specific miRNA regulatory modules, it is possible to generate seedless fruits (Silva et al, 2017). In a recent study, Clepet et al (2021) found a new miRNA regulatory module that controls ovule development and fruit setting in tomato (Solanum lycopersicum). They isolated miR166-targeted SlHB15A mutants that exhibit aberrant ovules and parthenocarpic fruits under normal and adverse temperature conditions.…”

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confidence: 99%

“…Recently, Clepet et al (2021) unveiled a novel function for the miR166-SlHB15A module in regulating an importnat agronomic trait, namely fruit set. Their work described the loss of the miR166-targeted SlHB15A function in tomato, which leads to abnormal ovule development and promotes parthenocarpic fruit set by modulating auxin and ethylene signaling.…”

mentioning

confidence: 99%

“…To reveal novel genetic tools that modulate fruit set, Clepet et al (2021) screened an ethyl methanesulfonate-based tomato mutant population exposed to non-permissive heat conditions in the field. They identified a mutant displaying a fertilizationindependent fruit set, which they named parthenocarpic fruit 1 (pf1).…”

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confidence: 99%

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Guarding tomato fruit setting in adverse temperatures through the miRNA166-SlHB15A regulatory module

Silva

Nogueira²

2021

Molecular Plant

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confidence: 99%

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confidence: 99%

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Guarding tomato fruit setting in adverse temperatures through the miRNA166-SlHB15A regulatory module

Silva

Nogueira²

2021

Molecular Plant

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“…MiR535 negatively regulated rice immune responses and cold tolerance in rice ( Sun et al, 2020 ; Zhang et al, 2022 ); four genes ( Gb_07340 , Gb_10299 , Gb_18723 , Gb_30145 ) and three lncRNAs (MSTRG.14303.4, MSTRG.14303.9, MSTRG.23460.1) were predicted by Gb_miR535-5p. Water is confirmed to be related to the initiation and enlargement of ovule primordia in angiosperms ( Clepet et al, 2021 ). Here, a sub-ceRNA network related to water consists of 200 lncRNAs, 16 miRNAs, and 23 genes.…”

Section: Discussionmentioning

confidence: 93%

Temporal Dynamic Transcriptome Landscape Reveals Regulatory Network During the Early Differentiation of Female Strobilus Buds in Ginkgo biloba

et al. 2022

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Reproductive bud differentiation is one of the most critical events for the reproductive success of seed plants. Yet, our understanding of genetic basis remains limited for the development of the reproductive organ of gymnosperms, namely, unisexual strobilus or cone, leaving its regulatory network largely unknown for strobilus bud differentiation. In this study, we analyzed the temporal dynamic landscapes of genes, long non-coding RNAs (lncRNAs), and microRNAs (miRNAs) during the early differentiation of female strobilus buds in Ginkgo biloba based on the whole transcriptome sequencing. Results suggested that the functions of three genes, i.e., Gb_19790 (GbFT), Gb_13989 (GinNdly), and Gb_16301 (AG), were conserved in both angiosperms and gymnosperms at the initial differentiation stage. The expression of genes, lncRNAs, and miRNAs underwent substantial changes from the initial differentiation to the enlargement of ovule stalk primordia. Besides protein-coding genes, 364 lncRNAs and 15 miRNAs were determined to be functional. Moreover, a competing endogenous RNA (ceRNA) network comprising 10,248 lncRNA-miRNA-mRNA pairs was identified, which was highly correlated with the development of ovulate stalk primordia. Using the living fossil ginkgo as the study system, this study not only reveals the expression patterns of genes related to flowering but also provides novel insights into the regulatory networks of lncRNAs and miRNAs, especially the ceRNA network, paving the way for future studies concerning the underlying regulation mechanisms of strobilus bud differentiation.

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“…DNA isolation, 3D pooling, and mutation detection were performed as described in (Boualem et al., 2015). SENTINEL software was used for identification and annotation of the mutations (Clepet et al., 2021) and mutations were confirmed by Sanger sequencing.…”

Section: Methodsmentioning

confidence: 99%

CmLHP1 proteins play a key role in plant development and sex determination in melon (Cucumis melo)

et al. 2021

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In monoecious melon (Cucumis melo), sex is determined by the differential expression of sex determination genes (SDGs) and adoption of sex-specific transcriptional programs. Histone modifications such as H3K27me3 have been previously shown to be a hallmark associated to unisexual flower development in melon; yet, no genetic approaches have been conducted for elucidating the roles of H3K27me3 writers, readers, and erasers in this process. Here we show that melon homologs to Arabidopsis LHP1, CmLHP1A and B, redundantly control several aspects of plant development, including sex expression. Cmlhp1ab double mutants displayed an overall loss and redistribution of H3K27me3, leading to a deregulation of genes involved in hormone responses, plant architecture, and flower development. Consequently, double mutants display pleiotropic phenotypes and, interestingly, a general increase of the male:female ratio. We associated this phenomenon with a general deregulation of some hormonal response genes and a local activation of male-promoting SDGs and MADS-box transcription factors. Altogether, these results reveal a novel function for CmLHP1 proteins in maintenance of monoecy and provide novel insights into the polycomb-mediated epigenomic regulation of sex lability in plants.

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The miR166–SlHB15A regulatory module controls ovule development and parthenocarpic fruit set under adverse temperatures in tomato

Cited by 52 publications

References 70 publications

Guarding tomato fruit setting in adverse temperatures through the miRNA166-SlHB15A regulatory module

Guarding tomato fruit setting in adverse temperatures through the miRNA166-SlHB15A regulatory module

Temporal Dynamic Transcriptome Landscape Reveals Regulatory Network During the Early Differentiation of Female Strobilus Buds in Ginkgo biloba

CmLHP1 proteins play a key role in plant development and sex determination in melon (Cucumis melo)

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