Effects of Different Heavy Metal Stressors on the Endophytic Community Composition and Diversity of

Overview

Journal Microorganisms

Specialty Microbiology

Date 2024 Mar 28

PMID 38543528

Authors

Jing Ma

Dawei Chen

Yifan Xu

Yue Liu

Lele Liu

Jing Huang

Ruochun Gao

Jie Bai

Qinzheng Hou

Affiliations

Soon will be listed here.

Abstract

Endophytes play an important role in helping plants resist heavy metal stress. However, little is known about the effects of different heavy metals on the diversity and composition of endophyte communities. In this study, we used 16S and ITS amplicon sequencing to reveal the structure and function of endophytes in under different heavy metal stressors. The results showed that the endophytic fungal diversity decreased compared with the control under the different heavy metals stressors, while the diversity of endophytic bacteria showed an increasing trend. The biomarker analysis indicated that Zn and Pb stress led to obvious branches. Specific OTUs analysis showed that there were 1224, 597, and 1004 OTUs specific under Zn, Pb, and Cd stress in the bacterial community and 135, 81, and 110 OTUs specific under Zn, Pb, and Cd stress in the fungal community. The co-occurrence network showed changes in microbial interactions under heavy metal contamination conditions, suggesting that endophytic bacteria play an important role in the resistance of host plants. The Spearman analysis showed that the correlation between endophytic bacteria and endophytic fungi in relation to heavy metal transport exhibited variations. Our results expand the knowledge of the relationships of plant-microbe interactions and offer pivotal information to reveal the role of endophytes under different heavy metal stress conditions.

Citing Articles

Divergence of rhizosphere microbial communities between females and males of the dioecious at different habitats.

Mao Y, Li N, Huang Y, Chen D, Sun K Microbiol Spectr. 2024; 12(10):e0167024.

PMID: 39258920 PMC: 11448439. DOI: 10.1128/spectrum.01670-24.

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