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Article

Enhanced Resistance to Fungal and Bacterial Diseases Due to Overexpression of BSR1, a Rice RLCK, in Sugarcane, Tomato, and Torenia

by
Satoru Maeda
1,
Wataru Ackley
2,†,
Naoki Yokotani
3,‡,
Katsutomo Sasaki
4,
Norihiro Ohtsubo
4,§,
Kenji Oda
3 and
Masaki Mori
1,*
1
Institute of Agrobiological Sciences, NARO (NIAS), Tsukuba 305-8634, Japan
2
Institute of Livestock and Grassland Science, NARO (NILGS), Nasushiobara 329-2793, Japan
3
Research Institute for Biological Sciences, Okayama Prefectural Technology Center for Agriculture, Forestry, and Fisheries, Okayama 716-1241, Japan
4
Institute of Vegetable and Floriculture Science, NARO (NIVFS), Tsukuba 305-0852, Japan
*
Author to whom correspondence should be addressed.
†
Current address: NIAS, Tsukuba 305-8634, Japan.
‡
Current address: Kazusa DNA Research Institute, Chiba 292-0818, Japan.
§
Current address: Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Kyoto 606-8522, Japan.
Int. J. Mol. Sci. 2023, 24(4), 3644; https://doi.org/10.3390/ijms24043644
Submission received: 13 January 2023 / Revised: 6 February 2023 / Accepted: 8 February 2023 / Published: 11 February 2023
(This article belongs to the Special Issue Signal Transduction Mechanism in Plant Disease and Immunity)
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Abstract

Sugarcane smut caused by Sporisorium scitamineum is one of the most devastating sugarcane diseases. Furthermore, Rhizoctonia solani causes severe diseases in various crops including rice, tomato, potato, sugar beet, tobacco, and torenia. However, effective disease-resistant genes against these pathogens have not been identified in target crops. Therefore, the transgenic approach can be used since conventional cross-breeding is not applicable. Herein, the overexpression of BROAD-SPECTRUM RESISTANCE 1 (BSR1), a rice receptor-like cytoplasmic kinase, was conducted in sugarcane, tomato and torenia. BSR1-overexpressing tomatoes exhibited resistance to the bacteria Pseudomonas syringae pv. tomato DC3000 and the fungus R. solani, whereas BSR1-overexpressing torenia showed resistance to R. solani in the growth room. Additionally, BSR1 overexpression conferred resistance to sugarcane smut in the greenhouse. These three BSR1-overexpressing crops exhibited normal growth and morphologies except in the case of exceedingly high levels of overexpression. These results indicate that BSR1 overexpression is a simple and effective tool for conferring broad-spectrum disease resistance to many crops.
Keywords: BSR1; RLCK (receptor-like cytoplasmic kinase); disease resistance; Sporisorium scitamineum; Rhizoctonia solani; Pseudomonas syringae; sugarcane; rice; tomato; torenia BSR1; RLCK (receptor-like cytoplasmic kinase); disease resistance; Sporisorium scitamineum; Rhizoctonia solani; Pseudomonas syringae; sugarcane; rice; tomato; torenia

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MDPI and ACS Style

Maeda, S.; Ackley, W.; Yokotani, N.; Sasaki, K.; Ohtsubo, N.; Oda, K.; Mori, M. Enhanced Resistance to Fungal and Bacterial Diseases Due to Overexpression of BSR1, a Rice RLCK, in Sugarcane, Tomato, and Torenia. Int. J. Mol. Sci. 2023, 24, 3644. https://doi.org/10.3390/ijms24043644

AMA Style

Maeda S, Ackley W, Yokotani N, Sasaki K, Ohtsubo N, Oda K, Mori M. Enhanced Resistance to Fungal and Bacterial Diseases Due to Overexpression of BSR1, a Rice RLCK, in Sugarcane, Tomato, and Torenia. International Journal of Molecular Sciences. 2023; 24(4):3644. https://doi.org/10.3390/ijms24043644

Chicago/Turabian Style

Maeda, Satoru, Wataru Ackley, Naoki Yokotani, Katsutomo Sasaki, Norihiro Ohtsubo, Kenji Oda, and Masaki Mori. 2023. "Enhanced Resistance to Fungal and Bacterial Diseases Due to Overexpression of BSR1, a Rice RLCK, in Sugarcane, Tomato, and Torenia" International Journal of Molecular Sciences 24, no. 4: 3644. https://doi.org/10.3390/ijms24043644

APA Style

Maeda, S., Ackley, W., Yokotani, N., Sasaki, K., Ohtsubo, N., Oda, K., & Mori, M. (2023). Enhanced Resistance to Fungal and Bacterial Diseases Due to Overexpression of BSR1, a Rice RLCK, in Sugarcane, Tomato, and Torenia. International Journal of Molecular Sciences, 24(4), 3644. https://doi.org/10.3390/ijms24043644

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