期刊
MICROBIAL ECOLOGY
卷 73, 期 1, 页码 201-210出版社
SPRINGER
DOI: 10.1007/s00248-016-0892-8
关键词
Bacterial community; Diet breadth; Food source; Illumina; Metagenomics; Symbiont screening
资金
- FAPESP (Sao Paulo Research Foundation) [2012/04287-0, 2011/50877-0]
- CNPq [490474/2011-0]
Aphids are well known for their association with endosymbiont bacteria. Almost all aphids harbor Buchnera aphidicola as an obligate symbiont and several other bacteria as facultative symbionts. Associations of facultative symbionts and aphids are quite variable in terms of diversity and prevalence across aphid species. Facultative symbionts can have a major impact on aphid bioecological traits. A number of factors shape the outcome of the facultative symbiont-aphid association, including aphid clone, bacterial genotype, geography, and host plant association. The effects of host plant on aphid-facultative symbiont associations are the least understood. We performed deep sequencing of the bacterial community associated with field populations of the oligophagous aphid Aphis (Toxoptera) citricidus collected from different host plants. We demonstrate that (i) A. citricidus has low symbiont diversity, (ii) symbiont diversity is affected by host plant, and (iii) host plants affect the relative abundance of the obligate symbiont Buchnera and an unknown genus of Enterobacteriaceae.
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