Matthew L. Aardema

Matthew L. Aardema
Montclair State University · Department of Biology and Molecular Biology

PhD, MS
Culex pipiens complex phylogenomics; Strain divergence in Anaplasma phagocytophilum; Evolution of arthropod hematophagy

About

93
Publications
8,533
Reads
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706
Citations
Introduction
Evolutionary relationships and patterns of divergence in the Culex pipiens mosquito complex using genetic and genomic data. Ecological drivers of strain diversity and host range in the tick-vectored bacterium Anaplasma phagocytophilum. Evolution of autogeny in mosquitoes. Genome sequencing and analysis of Aedes triseriatus and Ae. japonicus. Evolution of hematophagy in ticks and insects. Transgenerational effects of environmental stress in Aedes and Culex mosquitoes.
Additional affiliations
December 2015 - August 2017
American Museum of Natural History
Position
  • Researcher
September 2010 - December 2015
Princeton University
Position
  • PhD Student
September 2008 - August 2010
Michigan State University
Position
  • Master's Student

Publications

Publications (93)
Article
Full-text available
Numerous insects have independently evolved the ability to feed on plants that produce toxic secondary compounds called cardenolides and can sequester these compounds for use in their defense. We surveyed the protein target for cardenolides, the alpha subunit of the sodium pump, Na(+),K(+)-ATPase (ATPα), in 14 species that feed on cardenolide-produ...
Article
Full-text available
Many distantly-related insect species are specialized feeders of cardenolide-containing host plants such as milkweed (Asclepias spp.). Studies have revealed frequent, parallel substitution of a functionally important amino acid substitution (N122H) in the alpha subunit of Na(+) ,K(+) -ATPase (N122H) in many of these species. This substitution facil...
Article
Full-text available
Cardenolides are a class of plant secondary compounds that inhibit the proper functioning of the Na(+) , K(+) -ATPase enzyme in susceptible animals. Nonetheless, many insect species are able to sequester cardenolides for their own defence. These include butterflies in the subfamily Danainae (Family: Nymphalidae) such as the monarch (Danaus plexippu...
Article
Full-text available
Background: The host range of a pathogenic bacterial strain likely influences its effective population size, which in turn affects the efficacy of selection. Transmission between competent hosts may occur more frequently for host generalists than for specialists. This could allow higher bacterial population densities to persist within an ecological...
Article
Full-text available
Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophils. It is transmitted via tick-bite and causes febrile disease in humans and animals. Human granulocytic anaplasmosis is regarded as an emerging infectious disease in North America, Europe and Asia. However, although increasingly detected, it i...
Article
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Zanna tenebrosa (Hemiptera: Fulgoridae), a traditionally eaten phloem feeding planthopper known as sakondry, has received recent attention for its farming potential; these insects have been successfully cultivated on bean plants in remote, rural communities that depend on natural resources for their food security, without increasing the loss of loc...
Preprint
Bacteria species that must obligately replicate in vertebrate host cells make up a large proportion of the prokaryotic pathogens with human and veterinary health implications. In such bacterial taxa, extrinsic processes play an important role in influencing the phylogenetic diversity of viable hosts (‘host range’). These processes include both chan...
Article
Our understanding of how natural selection and demographic processes produce and maintain biological diversity remains limited. However, developments in high-throughput genomic sequencing coupled with new analytical tools and phylogenetic methods now allow detailed analyses of evolutionary patterns in genes and genomes responding to specific demogr...
Article
Admixture and introgression play a critical role in adaptation and genetic rescue that has only recently gained a deeper appreciation. Here, we explored the geographic and genomic landscape of cryptic ancestry of the endangered red wolf that persists within the genome of a ubiquitous sister taxon, the coyote, all the while the red wolf has been ext...
Preprint
Full-text available
Understanding patterns of diversification, genetic exchange, and pesticide resistance in insect species of human health concern is necessary for effective population reduction and management. With the broad availability of next-generation sequencing technologies, one of the best approaches for surveying such patterns involves the simultaneous genot...
Article
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Forests, and the vertebrate species within them, are irreplaceable sources of food and nutrition for millions of people living in areas of high biodiversity. Unfortunately, many of these forests are being cleared for agriculture, and many animals are threatened with extinction from unsustainable hunting. Forest clearing and the hunting of threatene...
Article
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Understanding how evolutionary forces interact to drive patterns of selection and distribute genetic variation across a species' range is of great interest in ecology and evolution, especially in an era of global change. While theory predicts how and when populations at range margins are likely to undergo local adaptation, empirical evidence testin...
Article
Genes known to affect circadian rhythms (i.e. ‘clock genes’) also influence the photoperiodic induction of overwintering reproductive diapause in the northern house mosquito, Culex pipiens f. pipiens. This suggests that molecular changes in one or more clock genes could contribute to the inability to diapause in a second form of this mosquito, Cule...
Article
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Ancient DNA is transforming our ability to reconstruct historical patterns and mechanisms shaping modern diversity and distributions. In particular, molecular data from extinct Holocene island faunas have revealed surprising biogeographic scenarios. Here, we recovered partial mitochondrial (mt) genomes for 1300–1400 year old specimens (n = 2) of th...
Preprint
Full-text available
Admixture and introgression play a critical role in adaptation and genetic rescue that has only recently gained a deeper appreciation. Here, we explored the geographic and genomic landscape of cryptic ancestry of the endangered red wolf that persists within the genome of a ubiquitous sister taxon, the coyote, all the while the red wolf has been ext...
Article
Full-text available
The use of Cannabis is gaining greater social acceptance for its beneficial medicinal and recreational uses. With this acceptance has come new opportunities for crop management, selective breeding, and the potential for targeted genetic manipulation. However, as an agricultural product Cannabis lags far behind other domesticated plants in knowledge...
Preprint
Full-text available
In temperate climates, the mosquito Culex molestus lives almost exclusively in urban underground locations such as flooded basements, sewer systems and subway tunnels. Unlike most other mosquito taxa found at higher latitudes, Cx. molestus remains active and continues to breed throughout the winter. This is attributable to year-round above freezing...
Article
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Previous investigations of genetic diversity across the distribution of the Nile crocodile (Crocodylus niloticus) confirmed the existence of two genetically distinct species of true crocodile (genus Crocodylus) in Africa. These taxa correspond roughly to an eastern/southern African species (Crocodylus niloticus) and a central/western African specie...
Article
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Trait loss represents an intriguing evolutionary problem, particularly when it occurs across independent lineages. Fishes in light-poor environments often evolve "troglomorphic" traits, including reduction or loss of both pigment and eyes. Here we investigate the genomic basis of trait loss in a blind and depigmented African cichlid, Lamprologus le...
Article
This bibliography provides a collection of references that documents the evolution of studies evidencing interbreeding among Canis species in North America. Over the past several decades, advances in biology and genomic technology greatly improved our ability to detect and characterize species interbreeding, which has significance for understanding...
Article
Full-text available
Background: Within the Culex pipiens mosquito complex, there are six contemporarily recognized taxa: Cx. quinquefasciatus, Cx. pipiens f. pipiens, Cx. pipiens f. molestus, Cx. pipiens pallens, Cx. australicus and Cx. globocoxitus. Many phylogenetic aspects within this complex have eluded resolution, such as the relationship of the two Australian e...
Article
Members of the genus Bartonella are fastidious Gram-negative facultative intracellular bacteria that are typically transmitted by arthropod vectors. Several Bartonella spp. have been found to cause culture-negative endocarditis in humans. Here, we report the case of a 75-year old German woman with prosthetic valve endocarditis due to Bartonella was...
Article
Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophil granulocytes. It is transmitted by ticks and causes tick-borne fever in domestic ruminants such as sheep, cattle and goats. However, in contrast to sheep and cattle little is known about the clinical course of infection in goats. We report he...
Article
Within many biomes, the cause of phylogeographic structure remains unknown even across regions throughout North America, including within the biodiverse Chihuahuan Desert. For example, little is known about population structure or the timing of diversification of Chihuahuan endemics. This is due largely to the lack of population genomic studies wit...
Article
Full-text available
In canines, transposon dynamics have been associated with a hyper-social behavioral syndrome, although the functional mechanism has yet to be described. We investigate the epigenetic and transcriptional consequences of these behavior-associated mobile element insertions in dogs and Yellowstone wolves. We posit that the transposons themselves may no...
Article
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Numerous animal lineages have expanded and diversified the opsin-based photoreceptors in their eyes underlying color vision behavior. However, the selective pressures giving rise to new photoreceptors and their spectral tuning remain mostly obscure. Previously, we identified a violet receptor (UV2) that is the result of a UV opsin gene duplication...
Article
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A key adaptation in insects for dealing with variable environmental conditions is the ability to diapause. The tiger swallowtail butterflies, Papilio glaucus and P. canadensis are ideal species to explore the genetic causes and population genetic consequences of diapause because divergence in this trait is believed to be a salient factor in maintai...
Preprint
Full-text available
Rapid species radiations can obscure phylogenetic relationships between even distantly related species and lead to incorrect evolutionary inferences. For this reason, we examined evolutionary relationships among the three North American milkweed butterflies, Danaus plexippus, D. gilippus and D. eresimus using >400 orthologous gene sequences assembl...
Article
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Staphylococcus aureus is an important global health problem worldwide. There is still scarce information on the population structure of S. aureus strains in Asia, where the majority of the world population lives. This study characterizes the diversity of S. aureus strains in northern Vietnam through multilocus sequence typing (MLST). 85 carriage is...
Article
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Tiger swallowtail butterflies in the genus Papilio have an ability to visually distinguish between a large array of colors including those in the ultraviolet spectrum (UV). However, very little is known about UV reflectance patterns in these butterflies. Using a combination of UV photography and spectral analysis, we here show that several areas on...
Data
Figure 1. A dark-morph female P. glaucus (top left). A yellow-morph female P. glaucus (top right). A male Battus philenor (bottom left). A male P. glaucus (bottom right). B. philenor is presumed to be a model for many mimetic butterflies including dark-morph female P. glaucus. All images are of the dorsal side of the butterfly. Note the near absenc...
Data
Figure 2. Representative reflectance curves of three female P. glaucus wings in a predominately blue area, black area and a blue area that has been masked by black ink. The reflectance of the blue-covered areas is very similar to the naturally black areas. Also note the high peak between 300 and 400 nm for the blue coloration. This area indicates U...
Article
Abstract It is generally thought that insects inhabiting lower latitudes are more severely impacted by changes in their thermal environment than are high latitude species. This is attributed to the wider range of temperatures to which high‐latitude species are exposed. By contrast, low‐latitude species have typically evolved in more thermally stabl...
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Article
Full-text available
In animal species that have morphological polymorphisms maintained by unique or divergent selection pressures, understanding the preservation of shared traits is important for identifying the factors that are influencing overall evolutionary processes. In the Eastern tiger swallowtail butterfly, Papilio glaucus, females are dimorphic. One morph (‘d...