D. Spooner

Publications223
h-index51
Citations9,012
Highly Influential Citations504
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Taxonomy of wild tomatoes and their relatives (Solanum sect. Lycopersicoides, sect. Juglandifolia, sect. Lycopersicon; Solanaceae).
Robust and highly informative microsatellite-based genetic identity kit for potato
TLDR
A marker-specific set of allele size standards is made that conveniently and unambiguously provide accurate sizing of all alleles of the 24 SSR markers across laboratories and platforms to standardize the choice and allele sizing of microsatellites in potato and aid in collaborative projects by allowing cumulative analysis of independently generated data.
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A single domestication for potato based on multilocus amplified fragment length polymorphism genotyping.
TLDR
Preliminary phylogenetic analyses support a monophyletic origin of the landrace cultivars from the northern component of this complex in Peru, rather than from multiple independent origins from various northern and southern members.
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Geographic distribution of wild potato species.
TLDR
The geographic distribution of wild potatoes (Solanaceae sect. Petota) was analyzed using a database of 6073 georeferenced observations and species richness is highest between 8° and 20° S and around 20° N.
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Selection of highly informative and user-friendly microsatellites (SSRs) for genotyping of cultivated potato
TLDR
Screening of 156 SSRs allowed the identification of a highly informative and user-friendly set comprising 18 SSR markers for use in characterization of potato genetic resources, and true- and pseudo-multiplexing SSRs for even greater efficiency are identified.
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New Species of Wild Tomatoes (Solanum Section Lycopersicon: Solanaceae) from Northern Peru
TLDR
S. arcanum and S. huaylasense are described and illustrated, two new wild tomato species segregated from Solanum peruvianum sensu lato, and a list of all 13 species of wild tomatoes recognized, and their equivalent former names in Lycopersicon.
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Granule-bound starch synthase (GBSSI) gene phylogeny of wild tomatoes (Solanum L. section Lycopersicon [Mill.] Wettst. subsection Lycopersicon).
TLDR
Outgroup relationships are largely concordant with prior chloroplast DNA restriction site phylogenies, support S. juglandifolium and S. ochranthum as the closest outgroup to tomatoes with S. sitiens as basal to these, and support allogamy, self-incompatibility, and green fruits as primitive in the tomato clade.
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Applications of next-generation sequencing in plant biology.
TLDR
This volume presents a brief synopsis of NGS technologies and the development of exemplary applications of such methods in the fields of molecular marker development, hybridization and introgression, transcriptome investigations, phylogenetic and ecological studies, polyploid genetics, and applications for large genebank collections.
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CHLOROPLAST DNA EVIDENCE FOR THE INTERRELATIONSHIPS OF TOMATOES, POTATOES, AND PEPINOS (SOLANACEAE)
TLDR
The chloroplast DNA restriction site analysis results support the controversial, but previously suggested, treatment of Lycopersicon as congeneric with Solanum in subgenus Potatoe and suggest that Cyphomandra should be included within SolAnum.
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Comparison of AFLPs with other markers for phylogenetic inference in wild tomatoes [Solanum L. section Lycopersicon (Mill.) Wettst.]
TLDR
New AFLP data are largely concordant with the GBSSI and morphological data and in general support the species outlined in the latest treatment by C.M. Rick, but demonstrate the distinct nature of northern and southern Peruvian populations of S. peruvianum, and suggest that their taxonomy needs revision.
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