Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)

<i>Buchnera aphidicola</i>, an obligate endosymbiont of most aphid species, can influence aphids’ host adaptability through amino acid metabolism, potentially mediating biotype differentiation. However, its role in the biotype differentiation of <i>Sitobion avenae</i> remains...

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Main Authors: Yanyan Lan, Jingpeng Li, Shuo Zhang, Qiuju Qin, Deguang Liu, Chen Luo, Shipeng Han, Da Wang, Yunzhuan He
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Insects
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Online Access:https://www.mdpi.com/2075-4450/15/12/980
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author Yanyan Lan
Jingpeng Li
Shuo Zhang
Qiuju Qin
Deguang Liu
Chen Luo
Shipeng Han
Da Wang
Yunzhuan He
author_facet Yanyan Lan
Jingpeng Li
Shuo Zhang
Qiuju Qin
Deguang Liu
Chen Luo
Shipeng Han
Da Wang
Yunzhuan He
author_sort Yanyan Lan
collection DOAJ
description <i>Buchnera aphidicola</i>, an obligate endosymbiont of most aphid species, can influence aphids’ host adaptability through amino acid metabolism, potentially mediating biotype differentiation. However, its role in the biotype differentiation of <i>Sitobion avenae</i> remains unclear. To address this issue, six <i>S. avenae</i> biotypes were tested in this study. <i>Buchnera</i> abundance varied among biotypes fed on different wheat/barley varieties (i.e., Zhong 4 wumang, 186-TM12-34; Dulihuang, Zaoshu No.3, Xiyin No.2). The reduction in <i>Buchnera</i> abundance through antibiotic (rifampicin) treatment altered the virulence of five <i>S. avenae</i> biotypes. Based on transcriptome analysis, the differential expression of three genes (i.e., <i>LeuB</i>, <i>TrpE</i>, and <i>IlvD</i>) related to leucine, tryptophan, isoleucine, and valine metabolism was detected between different biotypes. Principal component analysis showed that leucine and tryptophan deficiencies most significantly impacted nymph development duration and aphid fecundity. Additionally, a neighbor-joining phylogenetic tree indicated the genetic differentiation of <i>Buchnera</i> among different biotypes. These results suggest <i>Buchnera</i>-mediated amino acid metabolism is correlated with biotype differentiation in <i>S. avenae</i>, although the precise mechanisms by which <i>Buchnera</i> influences this differentiation require further investigation. This study can offer a theoretical basis for the development of resistant crops, leading to the sustainable control of this aphid and reduced reliance on chemical insecticides.
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spelling doaj-art-fe3a46c76a0a46bd9451d8d68d111de32024-12-27T14:31:23ZengMDPI AGInsects2075-44502024-12-01151298010.3390/insects15120980Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)Yanyan Lan0Jingpeng Li1Shuo Zhang2Qiuju Qin3Deguang Liu4Chen Luo5Shipeng Han6Da Wang7Yunzhuan He8College of Plant Protection, Hebei Agricultural University, Baoding 071001, ChinaCollege of Plant Protection, Hebei Agricultural University, Baoding 071001, ChinaCollege of Plant Protection, Hebei Agricultural University, Baoding 071001, ChinaCollege of Plant Protection, Hebei Agricultural University, Baoding 071001, ChinaCollege of Plant Protection, Northwest A&F University, Yangling 712100, ChinaCollege of Plant Protection, Northwest A&F University, Yangling 712100, ChinaCollege of Plant Protection, Shandong Agricultural University, Tai’an 271000, ChinaCollege of Plant Protection, Hebei Agricultural University, Baoding 071001, ChinaCollege of Plant Protection, Hebei Agricultural University, Baoding 071001, China<i>Buchnera aphidicola</i>, an obligate endosymbiont of most aphid species, can influence aphids’ host adaptability through amino acid metabolism, potentially mediating biotype differentiation. However, its role in the biotype differentiation of <i>Sitobion avenae</i> remains unclear. To address this issue, six <i>S. avenae</i> biotypes were tested in this study. <i>Buchnera</i> abundance varied among biotypes fed on different wheat/barley varieties (i.e., Zhong 4 wumang, 186-TM12-34; Dulihuang, Zaoshu No.3, Xiyin No.2). The reduction in <i>Buchnera</i> abundance through antibiotic (rifampicin) treatment altered the virulence of five <i>S. avenae</i> biotypes. Based on transcriptome analysis, the differential expression of three genes (i.e., <i>LeuB</i>, <i>TrpE</i>, and <i>IlvD</i>) related to leucine, tryptophan, isoleucine, and valine metabolism was detected between different biotypes. Principal component analysis showed that leucine and tryptophan deficiencies most significantly impacted nymph development duration and aphid fecundity. Additionally, a neighbor-joining phylogenetic tree indicated the genetic differentiation of <i>Buchnera</i> among different biotypes. These results suggest <i>Buchnera</i>-mediated amino acid metabolism is correlated with biotype differentiation in <i>S. avenae</i>, although the precise mechanisms by which <i>Buchnera</i> influences this differentiation require further investigation. This study can offer a theoretical basis for the development of resistant crops, leading to the sustainable control of this aphid and reduced reliance on chemical insecticides.https://www.mdpi.com/2075-4450/15/12/980artificial dietsbiotype differentiation<i>Buchnera</i> abundancegenetic variationgrain aphidRNA-seq
spellingShingle Yanyan Lan
Jingpeng Li
Shuo Zhang
Qiuju Qin
Deguang Liu
Chen Luo
Shipeng Han
Da Wang
Yunzhuan He
Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
Insects
artificial diets
biotype differentiation
<i>Buchnera</i> abundance
genetic variation
grain aphid
RNA-seq
title Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
title_full Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
title_fullStr Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
title_full_unstemmed Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
title_short Potential Involvement of <i>Buchnera aphidicola</i> (Enterobacteriales, Enterobacteriaceae) in Biotype Differentiation of <i>Sitobion avenae</i> (Hemiptera: Aphididae)
title_sort potential involvement of i buchnera aphidicola i enterobacteriales enterobacteriaceae in biotype differentiation of i sitobion avenae i hemiptera aphididae
topic artificial diets
biotype differentiation
<i>Buchnera</i> abundance
genetic variation
grain aphid
RNA-seq
url https://www.mdpi.com/2075-4450/15/12/980
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