Ethylene affects cell wall remobilisation

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Seeking to uncover the effects of ethylene on the metabolic process and pectin remobilising capacity of rice (Oryza sativa) that is grown in phosphorus (P)-deficient conditions, Zhu et al. find that ethylene positively regulates the cell wall pectin content of two rice cultivars.

Oryza sativa
Oryza sativa. Photo: 영철 이 / Flickr

Mediated by the expression of OsPT2, more soluble P was released to the root and translocated to the shoots, and more recycled soluble P and ethylene content was found in cultivar Nipponbare, compared with Kasalath.

Root Biology Issue This paper is part of the Root Biology Special Issue.

Reference

Xiao Fang Zhu, Chun Quan Zhu, Xu Sheng Zhao, Shao Jian Zheng, Ren Fang Shen, 2016, 'Ethylene is involved in root phosphorus remobilization in rice (Oryza sativa) by regulating cell-wall pectin and enhancing phosphate translocation to shoots', Annals of Botany, vol. 118, no. 4, pp. 645-653 http://dx.doi.org/10.1093/aob/mcw044


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