Screening and Validation of Reference Genes for RT-qPCR Under Different Honey Bee Viral Infections and dsRNA Treatment

文献类型： 外文期刊

第一作者： Deng, Yanchun

作者： Deng, Yanchun;Yang, Sa;Zhang, Li;Zhang, Lina;Hou, Chunsheng;Deng, Yanchun;Yang, Sa;Zhang, Li;Zhang, Lina;Hou, Chunsheng;Deng, Yanchun;Zhao, Hongxia

作者机构：

关键词： honey bee; RT-qPCR; reference genes; bee virus; dsRNA treatment

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.64； 五年影响因子：6.32 ）

ISSN： 1664-302X

年卷期： 2020 年 11 卷

页码：

收录情况： SCI

摘要： Honey bee viruses are one of the most important pathogens that have contributed to the decrease in honey bee colony health. To analyze the infection dynamics of honey bee viruses, quantification of viral gene expression by RT-qPCR is necessary. However, suitable reference genes have not been reported from viral and RNAi studies of honey bee. Here, we evaluated the expression of 11 common reference genes (ache2,rps18, beta-actin,tbp,tif,rpl32,gadph,ubc, alpha-tubulin,rpl14, andrpsa) fromApis mellifera(Am) andApis cerana(Ac) under Israeli acute paralysis virus (IAPV), chronic bee paralysis virus (CBPV), and Chinese sacbrood virus (CSBV) infection as well as dsRNA-PGRP-SA treatment, and we confirmed their validation by evaluating the levels of thedefensin 1and prophenoloxidase (ppo) genes during viral infection. Our results showed that the expression of selected genes varied under different viral infections.ache2,rps18, beta-actin,tbp, andtifcan be used to normalize expression levels inApis melliferaunder IAPV infection, while the combination ofactinandtifis suitable for CBPV-infected experiments. The combination ofrpl14,tif,rpsa,ubc, andache2 as well as more reference genes is suitable for CSBV treatment inApis cerana.Rpl14,tif,rps18,ubc, and alpha-tubulinwere the most stable reference genes under dsRNA treatment inApis mellifera. Furthermore, the geNorm and NormFinder algorithms showed thattifwas the best suitable reference gene for these four treatments. This study screened and validated suitable reference genes for the quantification of viral levels in honey bee, as well as for RNAi experiments.

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