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Open AccessReview

The Many Facets of Hypoxia in Plants

1
Institute of Agricultural Biology and Biotechnology, CNR, National Research Council, Via Moruzzi, 56124 Pisa, Italy
2
PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, Via Giudiccioni 10, 56010 San Giuliano Terme, 56124 Pisa, Italy
*
Authors to whom correspondence should be addressed.
Plants 2020, 9(6), 745; https://doi.org/10.3390/plants9060745
Received: 5 June 2020 / Revised: 11 June 2020 / Accepted: 12 June 2020 / Published: 12 June 2020
(This article belongs to the Special Issue Plant Responses to Hypoxia)
Plants are aerobic organisms that require oxygen for their respiration. Hypoxia arises due to the insufficient availability of oxygen, and is sensed by plants, which adapt their growth and metabolism accordingly. Plant hypoxia can occur as a result of excessive rain and soil waterlogging, thus constraining plant growth. Increasing research on hypoxia has led to the discovery of the mechanisms that enable rice to be productive even when partly submerged. The identification of Ethylene Response Factors (ERFs) as the transcription factors that enable rice to survive submergence has paved the way to the discovery of oxygen sensing in plants. This, in turn has extended the study of hypoxia to plant development and plant–microbe interaction. In this review, we highlight the many facets of plant hypoxia, encompassing stress physiology, developmental biology and plant pathology. View Full-Text
Keywords: anaerobiosis; anoxia; Arabidopsis; flooding; hypoxia; rice; submergence; waterlogging; development anaerobiosis; anoxia; Arabidopsis; flooding; hypoxia; rice; submergence; waterlogging; development
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Loreti, E.; Perata, P. The Many Facets of Hypoxia in Plants. Plants 2020, 9, 745.

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