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1. A unique aluminum resistance mechanism conferred by aluminum and salicylic-acid-activated root efflux of benzoxazinoids in maize

Author:
Zunkang Zhao; Xiaofeng Gao; Ye Ke; Minmin Chang; Lu Xie; Xiaofeng Li; Minghua Gu; Jiping Liu; Xinlian Tang
Source:
Plant and soil 2019 v.437 no.1-2 pp. 273-289
ISSN:
0032-079X
Subject:
aluminum; benzoxazinoids; biosynthesis; chelation; corn; cultivars; exudation; hydroxamic acids; root growth; root tips; salicylic acid
Abstract:
... BACKGROUND AND AIMS: Although aluminum (Al) exclusion via root exudation of organic matters is a common resistance mechanism adopted by many plant species, whether root exudation of benzoxazinoids, such as hydroxamic acids (HAs), confers Al resistance remains unclear. METHODS: We performed physiological characterization for an Al-resistant maize cultivar TY and a sensitive maize cultivar ZD. RESUL ...
DOI:
10.1007/s11104-019-03971-9