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Molecular Mechanisms Supporting Rice Germination and Coleoptile Elongation under Low Oxygen

PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, 56124 Pisa, Italy
Plants 2020, 9(8), 1037; https://doi.org/10.3390/plants9081037
Received: 7 July 2020 / Revised: 9 August 2020 / Accepted: 10 August 2020 / Published: 15 August 2020
(This article belongs to the Special Issue Plant Responses to Hypoxia)
Rice germinates under submergence by exploiting the starch available in the endosperm and translocating sugars from source to sink organs. The availability of fermentable sugar under water allows germination with the protrusion of the coleoptile, which elongates rapidly and functions as a snorkel toward the air above. Depending on the variety, rice can produce a short or a long coleoptile. Longer length entails the involvement of a functional transport of auxin along the coleoptile. This paper is an overview of rice coleoptiles and the studies undertaken to understand its functioning and role under submergence. View Full-Text
Keywords: anoxia; coleoptile; flooding; hypoxia; rice; submergence anoxia; coleoptile; flooding; hypoxia; rice; submergence
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MDPI and ACS Style

Pucciariello, C. Molecular Mechanisms Supporting Rice Germination and Coleoptile Elongation under Low Oxygen. Plants 2020, 9, 1037. https://doi.org/10.3390/plants9081037

AMA Style

Pucciariello C. Molecular Mechanisms Supporting Rice Germination and Coleoptile Elongation under Low Oxygen. Plants. 2020; 9(8):1037. https://doi.org/10.3390/plants9081037

Chicago/Turabian Style

Pucciariello, Chiara. 2020. "Molecular Mechanisms Supporting Rice Germination and Coleoptile Elongation under Low Oxygen" Plants 9, no. 8: 1037. https://doi.org/10.3390/plants9081037

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