Zno-S.Cerevisiae: An Effective Growth Promoter of Astragalus Memeranaceus and Nano-Antibacterial Agent Against Fusarium Oxysporum by Improving Trifolirhizin

47 Pages Posted: 14 Nov 2023

See all articles by Yaowu Su

Yaowu Su

Tianjin University

Wenqi Yang

Tianjin University

Rubing Wang

Tianjin University

Huanyu Zhang

Tianjin University

Jie Meng

Tianjin University

Hongyan Jing

Tianjin University of Traditional Chinese Medicine

Guoqi Zhang

Tianjin University

Juan Wang

Tianjin University

Lanping Guo

China Academy of Chinese Medical Sciences

Wenyuan Gao

Tianjin University

Abstract

Astragalus memeranaceus has been widely used in health, and root rot is a common disease in its cultivation, which is caused by Fusarium oxysporum. ZnO- Saccharomyces.cerevisiae was synthesized and its antibacterial activity against F.oxysporum was investigated in vitro and in vivo for the first time. It can directly inhibit pathogens by down-regulating physiological genes. In the plant experiment, the disease severity decreased in the ZnO-S.cerevisiae treated A.memeranaceus. Additionally, increased the content of chlorophyll and Astragaloside IV, and then improved the growth of A.memeranaceus seedlings. Furthermore, by analysis of muti-omic, enzymatic assay and molecular docking, the obtained ZnO-S.cerevisiae could activate the activities of the antioxidant enzymes and induce resistance genes in A.memeranaceus to secrete trifolirhizin, indicating higher resistance of plants under biotic stresses. The multifunctional ZnO-S.cerevisiae with superior antibacterial activity provides a promising alternative to the traditional antibacterial agents and has great potential in plant protection.

Keywords: ZnO-S.cerevisiae, Astragalus memeranaceus, Antibacterial, Fusarium oxysporum, Astragaloside IV

Suggested Citation

Su, Yaowu and Yang, Wenqi and Wang, Rubing and Zhang, Huanyu and Meng, Jie and Jing, Hongyan and Zhang, Guoqi and Wang, Juan and Guo, Lanping and Gao, Wenyuan, Zno-S.Cerevisiae: An Effective Growth Promoter of Astragalus Memeranaceus and Nano-Antibacterial Agent Against Fusarium Oxysporum by Improving Trifolirhizin. Available at SSRN: https://ssrn.com/abstract=4631842 or http://dx.doi.org/10.2139/ssrn.4631842

Yaowu Su

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Wenqi Yang

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Rubing Wang

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Huanyu Zhang

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Jie Meng

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Hongyan Jing

Tianjin University of Traditional Chinese Medicine ( email )

Tianjin
China

Guoqi Zhang

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Juan Wang

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

Lanping Guo

China Academy of Chinese Medical Sciences ( email )

Dongcheng District
Beijing 100700
China

Wenyuan Gao (Contact Author)

Tianjin University ( email )

92, Weijin Road
Nankai District
Tianjin, 300072
China

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