Population Structure of German Cockroaches (Blattodea: Ectobiidae) in an Urban Environment Based on Single Nucleotide Polymorphisms

German cockroaches (Blattella germanica L.) harbor and disperse medically important pathogens and are a source of allergens that impact human health and wellbeing. Management of this pest requires an understanding of their distribution and dispersal. In this study, we collected German cockroaches fr...

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Bibliographic Details
Published in:Journal of medical entomology 2022-07, Vol.59 (4), p.1319-1327
Main Authors: Fan, X., Wang, C., Bunker, D. E.
Format: Article
Language:English
Subjects:
Allergens
Analysis
Apartment buildings
Apartments
Blattaria
Blattella germanica
Buildings
Chromosomes
Cockroaches
Dispersion
DNA
Entomology
Gene sequencing
Genetic aspects
genetic population structure
Genetic structure
human health
Laboratories
medical entomology
New Jersey
Next-generation sequencing
Nucleotides
Pathogens
Pest control
pest management
Pests
Phylogeny
Polymorphism
Population
POPULATION BIOLOGY/GENETICS
Population genetics
Population structure
Single nucleotide polymorphisms
Single-nucleotide polymorphism
urban areas
Urban environments
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Summary:German cockroaches (Blattella germanica L.) harbor and disperse medically important pathogens and are a source of allergens that impact human health and wellbeing. Management of this pest requires an understanding of their distribution and dispersal. In this study, we collected German cockroaches from three apartment buildings in New Jersey, USA. We identified single-nucleotide polymorphisms (SNPs) from DNA extractions using next generation sequencing. We analyzed the SNPs and characterized cockroach population genetic structure using Fst, principal component, phylogenetic, and STRUCTURE analyses. We found significant differences in German cockroach population structure among the buildings. Within buildings, we found variable population structure that may be evidence for multiple colonization events. This study shows that SNPs derived from next generation sequencing provide a powerful tool for analyzing the genetic population structure of these medically important pests.
ISSN:0022-2585
1938-2928
DOI:10.1093/jme/tjac036