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Open AccessArticle

Nuclear Orthologs Derived from Whole Genome Sequencing Indicate Cryptic Diversity in the Bemisia tabaci (Insecta: Aleyrodidae) Complex of Whiteflies

1
Department of Entomology, University of Illinois Urbana-Champaign, 505 S. Goodwin Ave., Urbana, IL 61801, USA
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Illinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, IL 61820, USA
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School of Plant Sciences, University of Arizona, 1140 E. South Campus Dr., Tucson, AZ 85721, USA
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Department of Entomology, Purdue University, 901 W. State St., West Lafayette, IN 47907, USA
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Facultad de Ciencias de la Vida, Escuela Superior Politécnica del Litoral, ESPOL, Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
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Department of Ecology and Evolution, University of Lausanne, and Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland
*
Author to whom correspondence should be addressed.
Diversity 2019, 11(9), 151; https://doi.org/10.3390/d11090151
Received: 15 July 2019 / Revised: 21 August 2019 / Accepted: 24 August 2019 / Published: 29 August 2019
(This article belongs to the Special Issue Biodiversity of Insect)
The Bemisia tabaci complex of whiteflies contains globally important pests thought to contain cryptic species corresponding to geographically structured phylogenetic clades. Although mostly morphologically indistinguishable, differences have been shown to exist among populations in behavior, plant virus vector capacity, ability to hybridize, and DNA sequence divergence. These differences allow for certain populations to become invasive and cause great economic damage in a monoculture setting. Although high mitochondrial DNA divergences have been reported between putative conspecifics of the B. tabaci species complex, there is limited data that exists across the whole genome for this group. Using data from 2184 orthologs obtained from whole genome sequencing (Illumina), a phylogenetic analysis using maximum likelihood and coalescent methodologies was completed on ten individuals of the B. tabaci complex. In addition, automatic barcode gap discovery methods were employed, and results suggest the existence of five species. Although the divergences of the mitochondrial cytochrome oxidase I gene are high among members of this complex, nuclear divergences are much lower in comparison. Single-copy orthologs from whole genome sequencing demonstrate divergent population structures among members of the B. tabaci complex and the sequences provide an important resource to aid in future genomic studies of the group. View Full-Text
Keywords: phylogenomics; hemiptera; read-mapping; cryptic species; pests phylogenomics; hemiptera; read-mapping; cryptic species; pests
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MDPI and ACS Style

de Moya, R.S.; Brown, J.K.; Sweet, A.D.; Walden, K.K.O.; Paredes-Montero, J.R.; Waterhouse, R.M.; Johnson, K.P. Nuclear Orthologs Derived from Whole Genome Sequencing Indicate Cryptic Diversity in the Bemisia tabaci (Insecta: Aleyrodidae) Complex of Whiteflies. Diversity 2019, 11, 151.

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