Comparison of Gut Bacterial Communities of Fall Armyworm (Spodoptera frugiperda) Reared on Different Host Plants

被引:44
作者
Lv, Dongbiao [1 ,2 ]
Liu, Xueying [1 ,2 ]
Dong, Yanlu [1 ,2 ]
Yan, Zizheng [1 ,2 ]
Zhang, Xuan [1 ,2 ]
Wang, Ping [3 ]
Yuan, Xiangqun [1 ,2 ]
Li, Yiping [1 ,2 ]
机构
[1] Northwest A&F Univ, Coll Plant Protect, Key Lab Integrated Pest Management Crops Northwes, Minist Agr, Yangling 712100, Xianyang, Peoples R China
[2] Northwest A&F Univ, Coll Plant Protect, Key Lab Plant Protect Resources & Pest Management, Minist Educ, Yangling 712100, Xianyang, Peoples R China
[3] Cornell Univ, Dept Entomol, Geneva, NY 14456 USA
基金
中国国家自然科学基金;
关键词
Spodoptera frugiperda; host species; gut microbiota; 16S rRNA; host adaptation; LEPIDOPTERA-NOCTUIDAE; DIVERSITY; MICROBIOTA; SYMBIONTS; SEQUENCES; INSECTS; FITNESS; MIDGUT; DIET;
D O I
10.3390/ijms222011266
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Spodoptera frugiperda is a highly polyphagous and invasive agricultural pest that can harm more than 300 plants and cause huge economic losses to crops. Symbiotic bacteria play an important role in the host biology and ecology of herbivores, and have a wide range of effects on host growth and adaptation. In this study, high-throughput sequencing technology was used to investigate the effects of different hosts (corn, wild oat, oilseed rape, pepper, and artificial diet) on gut microbial community structure and diversity. Corn is one of the most favored plants of S. frugiperda. We compared the gut microbiota on corn with and without a seed coating agent. The results showed that Firmicutes and Bacteroidetes dominated the gut microbial community. The microbial abundance on oilseed rape was the highest, the microbial diversity on wild oat was the lowest, and the microbial diversity on corn without a seed coating agent was significantly higher than that with such an agent. PCoA analysis showed that there were significant differences in the gut microbial community among different hosts. PICRUSt analysis showed that most of the functional prediction categories were related to metabolic and cellular processes. The results showed that the gut microbial community of S. frugiperda was affected not only by the host species, but also by different host treatments, which played an important role in host adaptation. It is important to deepen our understanding of the symbiotic relationships between invasive organisms and microorganisms. The study of the adaptability of host insects contributes to the development of more effective and environmentally friendly pest management strategies.
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页数:16
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