A class III peroxidase PRX34 is a component of disease resistance in Arabidopsis

Lei Zhao; Le Thi Phuong; Mai Thanh Luan; Aprilia Nur Fitrianti; Hidenori Matsui; Hirofumi Nakagami; Yoshiteru Noutoshi; Mikihiro Yamamoto; Yuki Ichinose; Tomonori Shiraishi; Kazuhiro Toyoda

doi:10.1007/s10327-019-00863-9

A class III peroxidase PRX34 is a component of disease resistance in Arabidopsis

Lei Zhao, Le Thi Phuong, Mai Thanh Luan, Aprilia Nur Fitrianti, Hidenori Matsui, Hirofumi Nakagami, Yoshiteru Noutoshi, Mikihiro Yamamoto, Yuki Ichinose, Tomonori Shiraishi, Kazuhiro Toyoda

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

PRX34 mediates the oxidative burst in Arabidopsis. Here we characterized two additional Arabidopsis prx34 null mutants (prx34-2, prx34-3), besides the well-studied prx34-1. Due to a decrease in corresponding peroxidase, the activity that generates reactive oxygen species (ROS) was significantly lower in cell wall extracts of prx34-2 and prx34-3 plants. Consistently, the prx34-2 and prx34-3 exhibited reduced accumulation both of ROS and callose in Flg22-elicitor-treated leaves, leading to enhanced susceptibility to bacterial and fungal pathogens. In contrast, ectopic expression of PRX34 in the wild type caused enhanced resistance. PRX34 is thus a component for disease resistance in Arabidopsis.

Original language	English
Pages (from-to)	405-412
Number of pages	8
Journal	Journal of General Plant Pathology
Volume	85
Issue number	6
DOIs	https://doi.org/10.1007/s10327-019-00863-9
Publication status	Published - Nov 1 2019

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Keywords

Apoplastic oxidative burst
Arabidopsis
Cell wall
Class III peroxidase
PRX34
Reactive oxygen species (ROS)

ASJC Scopus subject areas

Agronomy and Crop Science
Plant Science

Cite this

Zhao, L., Phuong, L. T., Luan, M. T., Fitrianti, A. N., Matsui, H., Nakagami, H., Noutoshi, Y., Yamamoto, M., Ichinose, Y., Shiraishi, T., & Toyoda, K. (2019). A class III peroxidase PRX34 is a component of disease resistance in Arabidopsis. Journal of General Plant Pathology, 85(6), 405-412. https://doi.org/10.1007/s10327-019-00863-9

A class III peroxidase PRX34 is a component of disease resistance in Arabidopsis. / Zhao, Lei; Phuong, Le Thi; Luan, Mai Thanh; Fitrianti, Aprilia Nur; Matsui, Hidenori; Nakagami, Hirofumi; Noutoshi, Yoshiteru ; Yamamoto, Mikihiro ; Ichinose, Yuki; Shiraishi, Tomonori; Toyoda, Kazuhiro.

In: Journal of General Plant Pathology, Vol. 85, No. 6, 01.11.2019, p. 405-412.

Research output: Contribution to journal › Article

Zhao, Lei ; Phuong, Le Thi ; Luan, Mai Thanh ; Fitrianti, Aprilia Nur ; Matsui, Hidenori ; Nakagami, Hirofumi ; Noutoshi, Yoshiteru ; Yamamoto, Mikihiro ; Ichinose, Yuki ; Shiraishi, Tomonori ; Toyoda, Kazuhiro. / A class III peroxidase PRX34 is a component of disease resistance in Arabidopsis. In: Journal of General Plant Pathology. 2019 ; Vol. 85, No. 6. pp. 405-412.

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abstract = "PRX34 mediates the oxidative burst in Arabidopsis. Here we characterized two additional Arabidopsis prx34 null mutants (prx34-2, prx34-3), besides the well-studied prx34-1. Due to a decrease in corresponding peroxidase, the activity that generates reactive oxygen species (ROS) was significantly lower in cell wall extracts of prx34-2 and prx34-3 plants. Consistently, the prx34-2 and prx34-3 exhibited reduced accumulation both of ROS and callose in Flg22-elicitor-treated leaves, leading to enhanced susceptibility to bacterial and fungal pathogens. In contrast, ectopic expression of PRX34 in the wild type caused enhanced resistance. PRX34 is thus a component for disease resistance in Arabidopsis.",

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AU - Zhao, Lei

AU - Phuong, Le Thi

AU - Luan, Mai Thanh

AU - Fitrianti, Aprilia Nur

AU - Matsui, Hidenori

AU - Nakagami, Hirofumi

AU - Noutoshi, Yoshiteru

AU - Yamamoto, Mikihiro

AU - Ichinose, Yuki

AU - Shiraishi, Tomonori

AU - Toyoda, Kazuhiro

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AB - PRX34 mediates the oxidative burst in Arabidopsis. Here we characterized two additional Arabidopsis prx34 null mutants (prx34-2, prx34-3), besides the well-studied prx34-1. Due to a decrease in corresponding peroxidase, the activity that generates reactive oxygen species (ROS) was significantly lower in cell wall extracts of prx34-2 and prx34-3 plants. Consistently, the prx34-2 and prx34-3 exhibited reduced accumulation both of ROS and callose in Flg22-elicitor-treated leaves, leading to enhanced susceptibility to bacterial and fungal pathogens. In contrast, ectopic expression of PRX34 in the wild type caused enhanced resistance. PRX34 is thus a component for disease resistance in Arabidopsis.

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10.1007/s10327-019-00863-9