ArticleGenetics2004
High-resolution fine mapping and fluorescence in situ hybridization analysis of sun, a locus controlling tomato fruit shape, reveals a region of the tomato genome prone to DNA rearrangements.
Article in Genetics, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 80 citations in OpenAlex.
- Structural Variants Contribute to Phenotypic Variation in Maize.Molecular ecology · 2025Article
- Structural variants contribute to phenotypic variation in maize.bioRxiv : the preprint server for biology · 2024Article
- A catalogue of recombination coldspots in interspecific tomato hybrids.PLoS genetics · 2024Article
- Down, then up: non-parallel genome size changes and a descending chromosome series in a recent radiation of the Australian allotetraploid plant species, Nicotiana section Suaveolentes (Solanaceae).Annals of botany · 2023Article
- Atlas of phenotypic, genotypic and geographical diversity present in the European traditional tomato.Horticulture research · 2022Article
- Identification and characterization of GLOBE, a major gene controlling fruit shape and impacting fruit size and marketability in tomato.Horticulture research · 2021Article
- Evolution of Lineage-Specific Gene Networks Underlying the Considerable Fruit Shape Diversity in Persimmon.Plant & cell physiology · 2019Article
- Comparative analysis of repetitive sequences among species from the potato and the tomato clades.Annals of botany · 2019Article
- Targeted gene disruption coupled with metabolic screen approach to uncover the LEAFY COTYLEDON1-LIKE4 (L1L4) function in tomato fruit metabolism.Plant cell reports · 2017Article
- Identification of Two New Mechanisms That Regulate Fruit Growth by Cell Expansion in Tomato.Frontiers in plant science · 2017Article
- Review
- Detection of an inversion in the Ty-2 region between S. lycopersicum and S. habrochaites by a combination of de novo genome assembly and BAC cloning.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Mendelizing all Components of a Pyramid of Three Yield QTL in Tomato.Frontiers in plant science · 2015Article
- Functional analysis of tomato calmodulin gene family during fruit development and ripening.Horticulture research · 2014Article
- What lies beyond the eye: the molecular mechanisms regulating tomato fruit weight and shape.Frontiers in plant science · 2014Article
- How important are transposons for plant evolution?Nature reviews. Genetics · 2013Review
- Mapping pachytene chromosomes of coffee using a modified protocol for fluorescence in situ hybridization.AoB PLANTS · 2013Article
- Development of a large SNP genotyping array and generation of high-density genetic maps in tomato.PloS one · 2012Article
- Characterization of fs10.1, a major QTL controlling fruit elongation in Capsicum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
- Integration of tomato reproductive developmental landmarks and expression profiles, and the effect of SUN on fruit shape.BMC plant biology · 2009Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The locus sun on the short arm of tomato chromosome 7 controls morphology of the fruit. Alleles from wild relatives impart a round shape, while alleles from certain cultivated varieties impart an oval shape typical of roma-type tomatoes. We fine mapped the locus in two populations and investigated the genome organization of the region spanning and flanking sun. The first high-resolution genetic map of the sun locus was constructed using a nearly isogenic F(2) population derived from a cross between Lycopersicon pennellii introgression line IL7-4 and L. esculentum cv Sun1642. The mapping combined with results from pachytene FISH experiments demonstrated that the top of chromosome 7 is inverted in L. pennellii accession LA716. sun was located close to the chromosomal breakpoint and within the inversion, thereby precluding map-based cloning of the gene using this population. The fruit-shape locus was subsequently fine mapped in a population derived from a cross between L. esculentum Sun1642 and L. pimpinellifolium LA1589. Chromosome walking using clones identified from several large genomic insert libraries resulted in two noncontiguous contigs flanking sun. Fiber-FISH analysis showed that distance between the two contigs measured 68 kb in L. esculentum Sun1642 and 38 kb in L. pimpinellifolium LA1589, respectively. The sun locus mapped between the two contigs, suggesting that allelic variation at this locus may be due to an insertion/deletion event. The results demonstrate that sun is located in a highly dynamic region of the tomato genome.
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