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The genetic basis of sex determination in grapes

Author

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  • Mélanie Massonnet

    (University of California Davis)

  • Noé Cochetel

    (University of California Davis)

  • Andrea Minio

    (University of California Davis)

  • Amanda M. Vondras

    (University of California Davis)

  • Jerry Lin

    (University of California Davis)

  • Aline Muyle

    (University of California Irvine)

  • Jadran F. Garcia

    (University of California Davis)

  • Yongfeng Zhou

    (University of California Irvine)

  • Massimo Delledonne

    (Università degli Studi di Verona)

  • Summaira Riaz

    (University of California Davis)

  • Rosa Figueroa-Balderas

    (University of California Davis)

  • Brandon S. Gaut

    (University of California Irvine)

  • Dario Cantu

    (University of California Davis)

Abstract

It remains a major challenge to identify the genes and mutations that lead to plant sexual differentiation. Here, we study the structure and evolution of the sex-determining region (SDR) in Vitis species. We report an improved, chromosome-scale Cabernet Sauvignon genome sequence and the phased assembly of nine wild and cultivated grape genomes. By resolving twenty Vitis SDR haplotypes, we compare male, female, and hermaphrodite haplotype structures and identify sex-linked regions. Coupled with gene expression data, we identify a candidate male-sterility mutation in the VviINP1 gene and potential female-sterility function associated with the transcription factor VviYABBY3. Our data suggest that dioecy has been lost during domestication through a rare recombination event between male and female haplotypes. This work significantly advances the understanding of the genetic basis of sex determination in Vitis and provides the information necessary to rapidly identify sex types in grape breeding programs.

Suggested Citation

  • Mélanie Massonnet & Noé Cochetel & Andrea Minio & Amanda M. Vondras & Jerry Lin & Aline Muyle & Jadran F. Garcia & Yongfeng Zhou & Massimo Delledonne & Summaira Riaz & Rosa Figueroa-Balderas & Brandon, 2020. "The genetic basis of sex determination in grapes," Nature Communications, Nature, vol. 11(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-16700-z
    DOI: 10.1038/s41467-020-16700-z
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    Cited by:

    1. Anna Maria Mercuri & Paola Torri & Assunta Florenzano & Eleonora Clò & Marta Mariotti Lippi & Elisabetta Sgarbi & Cristina Bignami, 2021. "Sharing the Agrarian Knowledge with Archaeology: First Evidence of the Dimorphism of Vitis Pollen from the Middle Bronze Age of N Italy (Terramara Santa Rosa di Poviglio)," Sustainability, MDPI, vol. 13(4), pages 1-20, February.
    2. Alessandro Vannozzi & Fabio Palumbo & Margherita Lucchin & Gianni Barcaccia, 2022. "Dioecy in Flowering Plants: From the First Observations of Prospero Alpini in the XVI Century to the Most Recent Advances in the Genomics Era," Agriculture, MDPI, vol. 12(3), pages 1-10, March.
    3. Pat Iocco-Corena & Jamila Chaïb & Laurent Torregrosa & Don Mackenzie & Mark R. Thomas & Harley M. Smith, 2021. "VviPLATZ1 is a major factor that controls female flower morphology determination in grapevine," Nature Communications, Nature, vol. 12(1), pages 1-10, December.

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