Specificity of gut microbial community in three ecologically similar species of planthoppers with different host plant ranges

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Yanhui Wang, Huirong Mai, Jingxian Zhou, Yuhan Zhang, Yanmin Liu, Yan Zou, Fajun Chen
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引用次数: 0

Abstract

The three ecologically similar species of hemipteran sucking insects, brown planthopper (BPH) Nilaparvata lugens, small brown planthopper (SBPH) Laodelphax striatellus and white‐backed planthopper (WBPH) Sogatella furcifera are destructive pests causing severe damage to rice throughout Asia, but they have different host plants that BPH is monophagous insect just feeding rice, WBPH and SBPH are oligophagous insects additionally feeding wheat and barley and SBPH can also feed maize. This study was investigated the gut bacterial communities in BPH, WBPH and SBPH by high‐throughput amplicon sequencing in order to explain the differences in host range (SBPH>WBPH>BPH) and feeding habit (BPH with monophagy vs. WBPH and SBPH with oligophagy) of the three ecologically similar species of planthoppers. It was revealed that the gut bacterial flora in BPH was the most complex, and that in SBPH was the simplest. The diversity of the gut bacterial community in BPH was significantly higher than that in WBPH and SBPH, respectively, there was not only significant difference in α‐diversity metrics but also in β‐diversity metrics. KEGG enrichment analysis furtherly indicated that there was significantly different in the relative abundance of some functional categories (including those related to the biosynthesis of amino acids, fatty acids, lipids and carbohydrate) among BPH, WBPH and SBPH, which were closely related to their nutrient absorption and metabolism. It is presumed that the differences in abundance and composition of the gut bacteria in BPH, WBPH and SBPH may lead to different nutrient absorption and metabolism, which furtherly alter their host range and feeding habit.
三种生态相似但寄主植物分布范围不同的食蚜蝇肠道微生物群落的特异性
褐飞虱(BPH)Nilaparvata lugens、小褐飞虱(SBPH)Laodelphax striatellus 和白背飞虱(WBPH)Sogatella furcifera 这三种生态学上相似的半翅目吸虫是破坏性害虫,对亚洲各地的水稻造成严重危害、但它们的寄主植物不同,白背飞虱(BPH)是单食性昆虫,只取食水稻;白背飞虱(WBPH)和白背飞虱(SBPH)是寡食性昆虫,除取食小麦和大麦外,白背飞虱(WBPH)和白背飞虱(SBPH)还能取食玉米。本研究通过高通量扩增子测序技术研究了 BPH、WBPH 和 SBPH 的肠道细菌群落,以解释这三种生态学上相似的跳虫在寄主范围(SBPH>WBPH>BPH)和取食习性(单食性的 BPH 与寡食性的 WBPH 和 SBPH)上的差异。研究发现,BPH 的肠道细菌群最为复杂,而 SBPH 的肠道细菌群最为简单。BPH肠道细菌群落的多样性明显高于WBPH和SBPH,不仅在α多样性指标上存在显著差异,而且在β多样性指标上也存在显著差异。KEGG富集分析进一步表明,BPH、WBPH和SBPH中与营养吸收和代谢密切相关的一些功能类别(包括氨基酸、脂肪酸、脂类和碳水化合物的生物合成)的相对丰度存在明显差异。据推测,BPH、WBPH 和 SBPH 肠道细菌的丰度和组成差异可能导致其营养吸收和代谢不同,从而进一步改变其寄主范围和摄食习性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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