The Role of Ethylene in Plant Adaptations for Phosphate Acquisition in Soils - A Review

Frontiers in Plant Science
G Neumann

Abstract

Although a role of ethylene in the regulation of senescence and plant stress responses in general has a long history, a possible involvement in the regulation of adaptive responses to nutrient deficiencies has been mainly investigated since the last two decades. In the case of plant responses to phosphate (Pi) starvation, ethylene was identified as a modulator of adaptive responses in root growth and morphology. The molecular base of these adaptations has been elucidated in supplementation studies with ethylene precursors and antagonists, as well as analysis of mutants and transgenic plants with modified ethylene biosynthesis and responsiveness, using mainly Arabidopsis thaliana as a model plant. However, increasing evidence suggests that apart from root growth responses, ethylene may be involved in various additional plant adaptations to Pi limitation including Pi mobilization in the rhizosphere, Pi uptake and internal Pi recycling. The ethylene-mediated responses are frequently characterized by high genotypic variability and may partially share common pathways in different nutrient limitations.

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Citations

Nov 20, 2016·The Plant Journal : for Cell and Molecular Biology·Sigrid HeuerHatem Rouached
Sep 21, 2017·Biotechnology & Genetic Engineering Reviews·Sudip DasJulia S Yumnam
Aug 11, 2020·The New Phytologist·Mohammadhossein RavanbakhshAlexandre Jousset
Dec 11, 2019·Genes·Paweł Sega, Andrzej Pacak
Nov 17, 2020·Frontiers in Plant Science·Vijay KumarKarl-Josef Dietz
Apr 17, 2021·Frontiers in Plant Science·María José GarcíaFrancisco Javier Romera
Jun 3, 2021·International Journal of Molecular Sciences·María José GarcíaFrancisco Javier Romera

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Methods Mentioned

BETA
PCR
transgenic

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