Transcriptional analysis of tendril and inflorescence development in grapevine (Vitis vinifera L.)

  1. Daz-Riquelme, J. 23
  2. Martnez-Zapater, J.M. 3
  3. Carmona, M.J. 1
  1. 1 Universidad Politécnica de Madrid
    info

    Universidad Politécnica de Madrid

    Madrid, España

    ROR https://ror.org/03n6nwv02

  2. 2 University of Western Ontario
    info

    University of Western Ontario

    London, Canadá

    ROR https://ror.org/02grkyz14

  3. 3 Instituto de Ciencias de la Vid y del Vino
    info

    Instituto de Ciencias de la Vid y del Vino

    Logroño, España

    ROR https://ror.org/01rm2sw78

Revista:
PLoS ONE

ISSN: 1932-6203

Año de publicación: 2014

Volumen: 9

Número: 3

Tipo: Artículo

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DOI: 10.1371/JOURNAL.PONE.0092339 SCOPUS: 2-s2.0-84898638375 WoS: WOS:000333254100143 GOOGLE SCHOLAR

Otras publicaciones en: PLoS ONE

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Resumen

In grapevine (Vitis vinifera L.), the lateral meristem can give rise to either tendrils or inflorescences which are determined organs. To get insights into the processes of tendril and inflorescence development, we characterized the transcriptional variation taking place in both organs. The results of the global transcriptional analyses along tendril and inflorescence development suggested that these two homologous organs initially share a common transcriptional program related to cell proliferation and growth functions. In later developmental stages they showed organ specific gene expression programs related to the particular differentiation processes taking place in each organ. In this way, tendrils showed higher transcription of genes related to photosynthesis, hormone signaling and secondary metabolism than inflorescences, while inflorescences displayed higher transcriptional activity for genes encoding transcription factors, mainly those belonging to the MADS-box gene family. The expression profiles of selected transcription factors related with inflorescence and flower meristem identity and with flower organogenesis were generally conserved with respect to their homologs in model species. Regarding tendrils, it was interesting to find that genes related with reproductive development in other species were also recruited for grapevine tendril development. These results suggest a role for those genes in the regulation of basic cellular mechanisms common to both developmental processes. Copyright: © 2014 Daz-Riquelme et al.