Article (Scientific journals)
Detection and geographic distribution of seven facultative endosymbionts in two Rhopalosiphum aphid species
Guo, Jianqing; Liu, Xuewei; Poncelet, Nicolas et al.
2019In MicrobiologyOpen
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Keywords :
cereal aphid, facultative endosymbiont,, Rhopalosiphum maidis; infection, China, Europe; Rhopalosiphum padi
Abstract :
[en] Study of the mutualistic associations between facultative symbionts and aphids are developed only in a few models. That survey on the situation and distribution of the symbionts in a certain area is helpful to obtain clues for the acquisition and spread of them as well as their roles played in host evolution. To understand the infection patterns of seven facultative symbionts (Serratia symbiotica, Hamiltonella defensa, Regiella insecticola, Rickettsia, Spiroplasma, Wolbachia, and Arsenophonus) in Rhopalosiphum padi (Linnaeus) and Rhopalosiphum maidis (Fitch), we collected 882 R. maidis samples (37 geographical populations) from China and 585 R. padi samples (32 geographical populations) from China and Europe. Results showed that both species were widely infected with various symbionts and totally 50.8% of R. maidis and 50.1% of R. padi were multi-infected with targeted symbionts. However, very few Rhopalosiphum aphids were infected with S. symbiotica. The infection frequencies of some symbionts were related to the latitude of collecting sites, suggesting the importance of environmental factors in shaping the geographic distribution of facultative symbionts. Also, R. maidis and R. padi were infected with different H. defensa strains based on phylogenetic analysis which may be determined by host ×symbiont genotype interactions. According to our results, the ubiquitous symbionts may play important roles in the evolution of their host aphid and their impacts on adaptation of R. padi and R. maidis were discussed as well.
Disciplines :
Entomology & pest control
Author, co-author :
Guo, Jianqing;  Chinese Academy of Agricultural Sciences, Beijing, China > Institute of Plant Protection > State Key Laboratory for Biology of Plant Diseases and Insect Pests
Liu, Xuewei;  Chinese Academy of Agricultural Sciences, Beijing, China > Institute of Plant Protection > State Key Laboratory for Biology of Plant Diseases and Insect Pests
Poncelet, Nicolas ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Gestion durable des bio-agresseurs
He, Kanglai;  Chinese Academy of Agricultural Sciences, Beijing, China > Institute of Plant Protection > State Key Laboratory for Biology of Plant Diseases and Insect Pests
Francis, Frédéric  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Gestion durable des bio-agresseurs
Wang, Zhenying;  Chinese Academy of Agricultural Sciences, Beijing, China > Institute of Plant Protection > State Key Laboratory for Biology of Plant Diseases and Insect Pests,
Language :
English
Title :
Detection and geographic distribution of seven facultative endosymbionts in two Rhopalosiphum aphid species
Publication date :
January 2019
Journal title :
MicrobiologyOpen
eISSN :
2045-8827
Publisher :
Wiley, Oxford, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 April 2019

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