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Antioxidants
Volume 10
Issue 5
10.3390/antiox10050815
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Communication

Molecular Cloning and Functional Characterization of Heat Stress-Responsive Superoxide Dismutases in Garlic (Allium sativum L.)

by
Hyo Seong Ji
,
Seoung Gun Bang
,
Min-A Ahn
,
Gayeon Kim
,
Eunhui Kim
,
Seung Hee Eom
and
Tae Kyung Hyun
*
Department of Industrial Plant Science and Technology, College of Agricultural, Life and Environmental Sciences, Chungbuk National University, Cheongju 28644, Korea
*
Author to whom correspondence should be addressed.
Antioxidants 2021, 10(5), 815; https://doi.org/10.3390/antiox10050815
Submission received: 26 April 2021 / Revised: 19 May 2021 / Accepted: 19 May 2021 / Published: 20 May 2021
(This article belongs to the Special Issue Environmental Stress and Antioxidant Defences)
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Abstract

Superoxide dismutases (SODs) are key antioxidant enzymes that can detoxify the superoxide radicals generated by various stresses. Although various plant SODs have been suggested to improve stress tolerance, SODs in garlic, an economically important vegetable grown worldwide, remain relatively unknown. In this study, we found that heat stress strongly induced the activities of Cu/ZnSODs, FeSODs, and MnSODs in garlic leaves. In addition, we cloned four garlic SODs (AsSODs) and suggest that heat stress-increased SOD activity was reflected at least by the induction of these AsSODs. The results of the agro-infiltration assay suggested that the cloned AsSODs encoded functional SOD enzymes belonging to the Cu/ZnSOD and MnSOD families. As a first step toward understanding the enzymatic antioxidant system in garlic plants, our results provide a solid foundation for an in-depth analysis of the physiological functions of the AsSOD family.
Keywords: antioxidant; garlic; heat stress; superoxide dismutase antioxidant; garlic; heat stress; superoxide dismutase

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MDPI and ACS Style

Ji, H.S.; Bang, S.G.; Ahn, M.-A.; Kim, G.; Kim, E.; Eom, S.H.; Hyun, T.K. Molecular Cloning and Functional Characterization of Heat Stress-Responsive Superoxide Dismutases in Garlic (Allium sativum L.). Antioxidants 2021, 10, 815. https://doi.org/10.3390/antiox10050815

AMA Style

Ji HS, Bang SG, Ahn M-A, Kim G, Kim E, Eom SH, Hyun TK. Molecular Cloning and Functional Characterization of Heat Stress-Responsive Superoxide Dismutases in Garlic (Allium sativum L.). Antioxidants. 2021; 10(5):815. https://doi.org/10.3390/antiox10050815

Chicago/Turabian Style

Ji, Hyo Seong, Seoung Gun Bang, Min-A Ahn, Gayeon Kim, Eunhui Kim, Seung Hee Eom, and Tae Kyung Hyun. 2021. "Molecular Cloning and Functional Characterization of Heat Stress-Responsive Superoxide Dismutases in Garlic (Allium sativum L.)" Antioxidants 10, no. 5: 815. https://doi.org/10.3390/antiox10050815

APA Style

Ji, H. S., Bang, S. G., Ahn, M.-A., Kim, G., Kim, E., Eom, S. H., & Hyun, T. K. (2021). Molecular Cloning and Functional Characterization of Heat Stress-Responsive Superoxide Dismutases in Garlic (Allium sativum L.). Antioxidants, 10(5), 815. https://doi.org/10.3390/antiox10050815

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