转OsARP基因拟南芥对SA和6-BA处理的生理响应

doi:10.19640/j.cnki.jtau.2026.01.004

Journal of Tianjin Agricultural University ›› 2026, Vol. 33 ›› Issue (1): 20-24.doi: 10.19640/j.cnki.jtau.2026.01.004

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Physiological responses of OsARP-transgenic Arabidopsis to SA and 6-BA treatments

Lu Xiangrui^a, Zhang Yaofang^b, Guan Zheng^a, Li Zhibin^a, Luo Feng^a, Pei Zhongyou^{a,Corresponding Author}

Tianjin Agricultural University, a. College of Agronomy and Resource Environment, b. College of Basic Science, Tianjin 300392, China

Received:2024-09-10 Online:2026-02-28 Published:2026-02-05

Abstract

Abstract: To investigate the effect of the rice OsARP gene on the physiological characteristics of Arabidopsis thaliana under different hormone treatments, OsARP-overexpressing Arabidopsis seedlings were used as experimental materials. The seedlings were treated with salicylic acid（SA）solutions at concentrations of 1 mmol/L and 2 mmol/L, as well as 6-benzylaminopurine （6-BA）solutions at 300 mg/L and 600 mg/L, respectively. The agronomic traits and physiological indices of Arabidopsis were determined, and the color change was observed in MS medium containing acid-base indicators. The results showed that compared with the wild type, the transgenic Arabidopsis treated with different concentrations of SA and 6-BA exhibited no significant differences in root length, plant height, fresh weight, dry weight, chlorophyll content, superoxide dismutase（SOD）activity, catalase（CAT）activity, malondialdehyde（MDA）content, or sucrose content. This indicated that SA and 6-BA treatments did not affect the physiological response mediated by the OsARP gene. However, the roots of transgenic Arabidopsis showed color changes in MS media containing two different indicators, suggesting that the OsARP gene may be involved in the regulation of cellular acid growth.

Key words: Arabidopsis thaliana, OsARP gene, exogenous hormones, physiological response

CLC Number:

Q945.78

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Physiological responses of OsARP-transgenic Arabidopsis to SA and 6-BA treatments

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