合肥工业大学校徽

合肥工业大学学报自科版

合肥工业大学学报(自然科学版)

JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY (NATURAL SCIENCE)

主管：中华人民共和国教育部

主办：合肥工业大学

ISSN 1003-5060, CN 34-1083/N

$ Mn_{3}O_{4} $ 纳米酶改善拟南芥盐胁迫耐受的研究

Improvement of salt stress tolerance in Arabidopsis thaliana via $ Mn_{3}O_{4} $ nanozymes

期刊信息

合肥工业大学（自然科学版），2026年1月，第49卷第1期：88-93

DOI: 10.3969/j.issn.1003-5060.2026.01.013

作者信息

武思辰，王峰，康圣美，闫勇

（合肥工业大学食品与生物工程学院，安徽合肥230601）

摘要和关键词

摘要: 为了探究 $ Mn_{3}O_{4} $ 纳米酶对改善盐胁迫下拟南芥的耐受作用,文章通过水热法合成 $ Mn_{3}O_{4} $ 纳米酶,采用透射电子显微镜(transmission electron microscopy, TEM)对 $ Mn_{3}O_{4} $ 纳米酶的形貌进行表征,测定 $ Mn_{3}O_{4} $ 纳米酶活性,并进一步研究 $ Mn_{3}O_{4} $ 纳米酶在盐胁迫下对拟南芥生长及光合作用的影响。结果表明:合成的 $ Mn_{3}O_{4} $ 纳米酶尺寸为10 nm左右; $ Mn_{3}O_{4} $ 纳米酶对 $ H_{2}O_{2} $、羟基自由基(•OH)及超氧阴离子自由基(•O $ _{2}^{-} $)等多种活性氧(reactive oxygen species, ROS)具有清除能力;施加 $ Mn_{3}O_{4} $ 纳米酶可以改善盐胁迫对拟南芥生长的抑制作用及光合作用。研究结果可为解决盐胁迫下抑制植物的生长提供一种解决方案。

关键词: $ Mn_{3}O_{4} $；纳米酶；拟南芥；盐胁迫

Authors

WU Sichen, WANG Feng, KANG Shengmei, YAN Yong

(School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China)

Abstract and Keywords

Abstract: In order to investigate the role of $ Mn_{3}O_{4} $ nanozymes in improving the tolerance of Arabidopsis thaliana (A. thaliana) under salt stress, this paper synthesized $ Mn_{3}O_{4} $ nanozymes by hydrothermal method, and utilized transmission electron microscopy (TEM) to characterize the morphology of $ Mn_{3}O_{4} $ nanozymes. The activity of $ Mn_{3}O_{4} $ nanozymes was measured, and the effect of $ Mn_{3}O_{4} $ nanozymes on the growth and photosynthesis of A. thaliana under salt stress was further investigated. The results showed that the synthesized $ Mn_{3}O_{4} $ nanozymes had a size of about 10 nm; $ Mn_{3}O_{4} $ nanozymes had the scavenging ability for various reactive oxygen species (ROS) such as $ H_{2}O_{2} $, hydroxyl radicals ( $ \cdot OH $), and superoxide anion ( $ \cdot O_{2}^{-} $); the growth and photosynthesis of A. thaliana under salt stress were improved by applying $ Mn_{3}O_{4} $ nanozymes. The results of the study may provide a solution to address the growth of plants under salt stress.

Keywords: $ Mn_{3}O_{4} $; nanozymes; Arabidopsis thaliana; salt stress

基金信息

国家自然科学基金资助项目（31971314）；安徽省重点研究与开发计划国际科技合作专项资助项目（202104b11020015）

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