Protein and peroxidase changes in various root-cell fractions of two upland rice cultivars differing in A1 tolerance

F. Jan; K. Yamashita; H. Matsumoto; M. Maeda

doi:10.1016/S0098-8472(01)00091-0

Protein and peroxidase changes in various root-cell fractions of two upland rice cultivars differing in A1 tolerance

F. Jan, K. Yamashita, H. Matsumoto, M. Maeda

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The quantitative changes in proteins and peroxidases associated with A1 toxicity were investigated in various root-cell fractions of upland rice cultivars that differ in A1 tolerance. The impact of A1 on growth of the A1-sensitive rice cultivar IR45 was related to a marked reduction of protein content in cytoplasm and an increase in the covalently-bound cell wall fractions. Regardless of cellular fractions, A1 also induced peroxidase activities in IR45 indicating a root-damage response to A1. In contrast, the A1 tolerant rice cultivar BG35 maintained the content of cellular proteins and enzyme activities under A1 stress.

Original language	English
Pages (from-to)	141-146
Number of pages	6
Journal	Environmental and Experimental Botany
Volume	46
Issue number	2
DOIs	https://doi.org/10.1016/S0098-8472(01)00091-0
Publication status	Published - Oct 1 2001
Externally published	Yes

Keywords

Aluminium sensitivity
Cellular fractions
Oryza sativa
Peroxidases
Proteins
Upland rice

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Agronomy and Crop Science
Plant Science

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AU - Maeda, M.

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KW - Proteins

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