ArticlePloS one2020
Development of a PCR-based, genetic marker resource for the tomato-like nightshade relative, Solanum lycopersicoides using whole genome sequence analysis.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- De novo genome assembly of Texas wintergrass [Nassella leucotricha {Trin. & Rupr.} Pohl] supports diagnostic marker development and phylogenetic analysis of species within the family Poaceae.G3 (Bethesda, Md.) · 2026Article
- Novel R2R3 MYB transcription factors regulate anthocyanin synthesis in Aubergine tomato plants.BMC plant biology · 2023Article
- Alien introgression and morpho-agronomic characterization of diploid progenies of Solanum lycopersicoides monosomic alien addition lines (MAALs) toward pre-breeding applications in tomato (S. lycopersicum).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Solanum lycopersicoides is a wild nightshade relative of tomato with known resistance to a wide range of pests and pathogens, as well as tolerance to cold, drought and salt stress. To effectively utilize S. lycopersicoides as a genetic resource in breeding for tomato improvement, the underlying basis of observable traits in the species needs to be understood. Molecular markers are important tools that can unlock the genetic underpinnings of phenotypic variation in wild crop relatives. Unfortunately, DNA markers that are specific to S. lycopersicoides are limited in number, distribution and polymorphism rate. In this study, we developed a suite of S. lycopersicoides-specific SSR and indel markers by sequencing, building and analyzing a draft assembly of the wild nightshade genome. Mapping of a total of 1.45 Gb of S. lycopersicoides contigs against the tomato reference genome assembled a moderate number of contiguous reads into longer scaffolds. Interrogation of the obtained draft yielded SSR information for more than 55,000 loci in S. lycopersicoides for which more than 35,000 primers pairs were designed. Additionally, indel markers were developed based on sequence alignments between S. lycopersicoides and tomato. Synthesis and experimental validation of 345 primer sets resulted in the amplification of single and multilocus targets in S. lycopersicoides and polymorphic loci between S. lycopersicoides and tomato. Cross-species amplification of the 345 markers in tomato, eggplant, silverleaf nightshade and pepper resulted in varying degrees of transferability that ranged from 55 to 83%. The markers reported in this study significantly expands the genetic marker resource for S. lycopersicoides, as well as for related Solanum spp. for applications in genetics and breeding studies.
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