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Article

Transcriptomic Analysis of Aedes aegypti Innate Immune System in Response to Ingestion of Chikungunya Virus

1
Florida Medical Entomology Laboratory, University of Florida, 200 9th Street South East, Vero Beach, FL 32962, USA
2
Mosquito Control Services, City of Gainesville, 405 NW 39th Avenue Gainesville, FL 32609, USA
3
Interdisciplinary Center for Biotechnology Research, University of Florida, 2033 Mowry Road, Gainesville, FL 32611, USA
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(13), 3133; https://doi.org/10.3390/ijms20133133
Received: 21 May 2019 / Revised: 21 June 2019 / Accepted: 23 June 2019 / Published: 27 June 2019
(This article belongs to the Section Molecular Immunology)
Aedes aegypti (L.) is the primary vector of emergent mosquito-borne viruses, including chikungunya, dengue, yellow fever, and Zika viruses. To understand how these viruses interact with their mosquito vectors, an analysis of the innate immune system response was conducted. The innate immune system is a conserved evolutionary defense strategy and is the dominant immune system response found in invertebrates and vertebrates, as well as plants. RNA-sequencing analysis was performed to compare target transcriptomes of two Florida Ae. aegypti strains in response to chikungunya virus infection. We analyzed a strain collected from a field population in Key West, Florida, and a laboratory strain originating from Orlando. A total of 1835 transcripts were significantly expressed at different levels between the two Florida strains of Ae. aegypti. Gene Ontology analysis placed these genes into 12 categories of biological processes, including 856 transcripts (up/down regulated) with more than 1.8-fold (p-adj (p-adjust value) ≤ 0.01). Transcriptomic analysis and q-PCR data indicated that the members of the AaeCECH genes are important for chikungunya infection response in Ae. aegypti. These immune-related enzymes that the chikungunya virus infection induces may inform molecular-based strategies for interruption of arbovirus transmission by mosquitoes. View Full-Text
Keywords: Aedes aegypti; transcriptome; immune responses; chikungunya virus; anti-microbial peptide; gene expression Aedes aegypti; transcriptome; immune responses; chikungunya virus; anti-microbial peptide; gene expression
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MDPI and ACS Style

Zhao, L.; Alto, B.W.; Jiang, Y.; Yu, F.; Zhang, Y. Transcriptomic Analysis of Aedes aegypti Innate Immune System in Response to Ingestion of Chikungunya Virus. Int. J. Mol. Sci. 2019, 20, 3133. https://doi.org/10.3390/ijms20133133

AMA Style

Zhao L, Alto BW, Jiang Y, Yu F, Zhang Y. Transcriptomic Analysis of Aedes aegypti Innate Immune System in Response to Ingestion of Chikungunya Virus. International Journal of Molecular Sciences. 2019; 20(13):3133. https://doi.org/10.3390/ijms20133133

Chicago/Turabian Style

Zhao, Liming, Barry W. Alto, Yongxing Jiang, Fahong Yu, and Yanping Zhang. 2019. "Transcriptomic Analysis of Aedes aegypti Innate Immune System in Response to Ingestion of Chikungunya Virus" International Journal of Molecular Sciences 20, no. 13: 3133. https://doi.org/10.3390/ijms20133133

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