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Microorganisms
Volume 12
Issue 2
10.3390/microorganisms12020360
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Article

Antifungal Activities of L-Methionine and L-Arginine Treatment In Vitro and In Vivo against Botrytis cinerea

by
Shengwang Li
,
Youwei Yu
,
Peng Xie
,
Xianran Zhu
,
Chao Yang
,
Linjing Wang
and
Shaoying Zhang
*
College of Food Science, Shanxi Normal University, Taiyuan 030031, China
*
Author to whom correspondence should be addressed.
Microorganisms 2024, 12(2), 360; https://doi.org/10.3390/microorganisms12020360
Submission received: 16 December 2023 / Revised: 1 February 2024 / Accepted: 7 February 2024 / Published: 9 February 2024
(This article belongs to the Section Food Microbiology)
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Abstract

Gray mold caused by Botrytis cinerea is a common postharvest fungal disease in fruit and vegetables. The prevention and treatment of postharvest gray mold has been one of the hot research issues addressed by researchers. This study aimed to investigate the effect of L-methionine and L-arginine on Botrytis cinerea in vitro and on cherry tomato fruit. The results of the in vitro experiment showed that L-methionine and L-arginine had significant inhibitory effects on the mycelial growth and spore germination of Botrytis cinerea, and the inhibitory effects were enhanced with increasing L-methionine or L-arginine concentration. In addition, L-methionine and L-arginine treatment increased the leakage of Botrytis cinerea electrolytes, proteins and nucleic acids. The experiment involving propidium iodide staining and malondialdehyde content assay also confirmed that L-methionine and L-arginine treatment could lead to cell membrane rupture and lipid peroxidation. The results of scanning electron microscopy further verified that the morphology of hyphae was damaged, deformed, dented and wrinkled after treatment with L-methionine or L-arginine. Fruit inoculation experiments displayed that L-methionine and L-arginine treatments significantly inhibited the occurrence and development of gray mold in postharvest cherry tomato. Therefore, treatment with L-methionine or L-arginine might be an effective means to control postharvest gray mold in fruit and vegetables.
Keywords: L-methionine; L-arginine; Botrytis cinerea; antifungal effect; postharvest fruit and vegetables L-methionine; L-arginine; Botrytis cinerea; antifungal effect; postharvest fruit and vegetables
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MDPI and ACS Style

Li, S.; Yu, Y.; Xie, P.; Zhu, X.; Yang, C.; Wang, L.; Zhang, S. Antifungal Activities of L-Methionine and L-Arginine Treatment In Vitro and In Vivo against Botrytis cinerea. Microorganisms 2024, 12, 360. https://doi.org/10.3390/microorganisms12020360

AMA Style

Li S, Yu Y, Xie P, Zhu X, Yang C, Wang L, Zhang S. Antifungal Activities of L-Methionine and L-Arginine Treatment In Vitro and In Vivo against Botrytis cinerea. Microorganisms. 2024; 12(2):360. https://doi.org/10.3390/microorganisms12020360

Chicago/Turabian Style

Li, Shengwang, Youwei Yu, Peng Xie, Xianran Zhu, Chao Yang, Linjing Wang, and Shaoying Zhang. 2024. "Antifungal Activities of L-Methionine and L-Arginine Treatment In Vitro and In Vivo against Botrytis cinerea" Microorganisms 12, no. 2: 360. https://doi.org/10.3390/microorganisms12020360

APA Style

Li, S., Yu, Y., Xie, P., Zhu, X., Yang, C., Wang, L., & Zhang, S. (2024). Antifungal Activities of L-Methionine and L-Arginine Treatment In Vitro and In Vivo against Botrytis cinerea. Microorganisms, 12(2), 360. https://doi.org/10.3390/microorganisms12020360

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