R. Cruickshank

Publications76
h-index22
Citations2,298
Highly Influential Citations195
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Spider: An R package for the analysis of species identity and evolution, with particular reference to DNA barcoding
Spider: SPecies IDentity and Evolution in R is a new R package implementing a number of useful analyses for DNA barcoding studies and associated research into species delimitation and speciation.… Expand
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The seven deadly sins of DNA barcoding
Despite the broad benefits that DNA barcoding can bring to a diverse range of biological disciplines, a number of shortcomings still exist in terms of the experimental design of studies incorporating… Expand
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Barcoding's next top model: an evaluation of nucleotide substitution models for specimen identification
Summary 1. DNA barcoding studies use Kimura's two-parameter substitution model (K2P) as the de facto standard for constructing genetic distance matrices. Distances generated under this model… Expand
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Molecular markers for the phylogenetics of mites and ticks
Abstract Molecular methods are becoming increasingly important in systematic acarology. In this review I describe the properties of the ideal molecular marker and compare these with genes that have… Expand
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Dramatically elevated rate of mitochondrial substitution in lice (Insecta: Phthiraptera).
Few estimates of relative substitution rates, and the underlying mutation rates, exist between mitochondrial and nuclear genes in insects. Previous estimates for insects indicate a 2-9 times faster… Expand
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Barcoding and Border Biosecurity: Identifying Cyprinid Fishes in the Aquarium Trade
Background Poorly regulated international trade in ornamental fishes poses risks to both biodiversity and economic activity via invasive alien species and exotic pathogens. Border security officials… Expand
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Phylogenetic analysis of partial sequences of elongation factor 1alpha identifies major groups of lice (Insecta: Phthiraptera).
As a first attempt to use molecular data to resolve the relationships between the four suborders of lice and within the suborder Ischnocera, we sequenced a 347-bp fragment of the elongation factor… Expand
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Distinction between Sclerotinia species by their pectic zymograms
Zymograms of the extracellular pectic enzymes of Sclerotina sclerotiorum, S. minor and S. trifoliorum were prepared by electrophoresis of untreated fluid from liquid cultures. Each species gave a… Expand
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Phylogenetic status and matrilineal structure of the biting midge, Culicoides imicola, in Portugal, Rhodes and Israel
Abstract.  The biting midge Culicoides imicola Kieffer (Diptera: Ceratopogonidae) is the most important Old World vector of African horse sickness (AHS) and bluetongue (BT). Recent increases of BT… Expand
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Sliding Window Analyses for Optimal Selection of Mini-Barcodes, and Application to 454-Pyrosequencing for Specimen Identification from Degraded DNA
DNA barcoding remains a challenge when applied to diet analyses, ancient DNA studies, environmental DNA samples and, more generally, in any cases where DNA samples have not been adequately preserved.… Expand
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