The Diversity of the Pollen Tube Pathway in Plants: Toward an Increasing Control by the Sporophyte

Frontiers in Plant Science
Jorge LoraMaría Herrero

Abstract

Plants, unlike animals, alternate multicellular diploid, and haploid generations in their life cycle. While this is widespread all along the plant kingdom, the size and autonomy of the diploid sporophyte and the haploid gametophyte generations vary along evolution. Vascular plants show an evolutionary trend toward a reduction of the gametophyte, reflected both in size and lifespan, together with an increasing dependence from the sporophyte. This has resulted in an overlooking of the importance of the gametophytic phase in the evolution of higher plants. This reliance on the sporophyte is most notorious along the pollen tube journey, where the male gametophytes have to travel a long way inside the sporophyte to reach the female gametophyte. Along evolution, there is a change in the scenery of the pollen tube pathway that favors pollen competition and selection. This trend, toward apparently making complicated what could be simple, appears to be related to an increasing control of the sporophyte over the gametophyte with implications for understanding plant evolution.

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Citations

Nov 9, 2017·Plant Reproduction·M M GotelliB G Galati
Sep 8, 2017·Journal of Integrative Plant Biology·Jenny Y Y LauRichard M K Saunders
Sep 1, 2018·The New Phytologist·Jorge LoraJosé I Hormaza
Feb 23, 2019·Protoplasma·M BreyginaA Evmenyeva
May 3, 2019·Plant Reproduction·Juan M Losada, María Herrero
Jul 22, 2017·Genome Génome / Conseil National De Recherches Canada·Charles H Cannon, C Lane Scher
May 10, 2019·Frontiers in Plant Science·Umma FatemaTomokazu Kawashima
Jun 24, 2018·Plant Reproduction·Jorge Lora, José I Hormaza
Jan 9, 2019·Frontiers in Plant Science·Patrick von AderkasStefan A Little
Jul 29, 2020·Frontiers in Plant Science·M Fernández-GonzálezF Javier Rodríguez-Rajo
Aug 1, 2020·Protoplasma·Aslıhan Çetinbaş-Genç, Filiz Vardar
May 18, 2020·Heredity·Elvira Hörandl, Franz Hadacek
Nov 4, 2020·The Science of the Total Environment·Edward J Calabrese, Evgenios Agathokleous
Mar 2, 2021·Frontiers in Plant Science·Jorge LoraJose I Hormaza
Mar 30, 2021·Trends in Ecology & Evolution·Jeanne TonnabelMathilde Dufay
Jun 3, 2021·International Journal of Molecular Sciences·Bartosz Jan PłachnoAnna Bogucka-Kocka
Jun 19, 2021·Annual Review of Plant Biology·Amanda K Broz, Patricia A Bedinger
Jul 3, 2021·Plants·Maria BreyginaOlga Schekaleva
Mar 3, 2021·The Plant Journal : for Cell and Molecular Biology·Reneé RobinsonLaurian S Robert

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