ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2010
Molecular cytogenetic mapping of Cucumis sativus and C. melo using highly repetitive DNA sequences.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Chromosomal dynamics inFrontiers in plant science · 2023Article
- Comparative karyotype analysis of eight Cucurbitaceae crops using fluorochrome banding and 45S rDNA-FISH.Comparative cytogenetics · 2023Article
- Karyotyping of commercial cultivars of melon (Cucumis melo L.).Molecular biology reports · 2022Article
- Genomic constitution, allopolyploidy, and evolutionary proposal for Cynodon Rich. based on GISH.Protoplasma · 2022Article
- Using carrot centromeric repeats to study karyotype relationships in the genus Daucus (Apiaceae).BMC genomics · 2021Article
- Comparative analyses of DNA repeats and identification of a novel Fesreba centromeric element in fescues and ryegrasses.BMC plant biology · 2020Article
- Centromeres of Cucumis melo L. comprise Cmcent and two novel repeats, CmSat162 and CmSat189.PloS one · 2020Article
- An improved method for inducing prometaphase chromosomes in plants.Molecular cytogenetics · 2018Article
- Organization and evolution of four differentially amplified tandem repeats in the Cucumis hystrix genome.Planta · 2017Article
- Genome wide characterization of simple sequence repeats in watermelon genome and their application in comparative mapping and genetic diversity analysis.BMC genomics · 2016Article
- Chromosomal structures and repetitive sequences divergence in Cucumis species revealed by comparative cytogenetic mapping.BMC genomics · 2015Article
- Cytogenetic and Sequence Analyses of Mitochondrial DNA Insertions in Nuclear Chromosomes of Maize.G3 (Bethesda, Md.) · 2015Article
- Use of targeted SNP selection for an improved anchoring of the melon (Cucumis melo L.) scaffold genome assembly.BMC genomics · 2015Article
- Tandem amplification of a chromosomal segment harboring 5-enolpyruvylshikimate-3-phosphate synthase locus confers glyphosate resistance in Kochia scoparia.Plant physiology · 2014Article
- Sex chromosome differentiation in Humulus japonicus Siebold & Zuccarini, 1846 (Cannabaceae) revealed by fluorescence in situ hybridization of subtelomeric repeat.Comparative cytogenetics · 2012Article
- Syntenic relationships between cucumber (Cucumis sativus L.) and melon (C. melo L.) chromosomes as revealed by comparative genetic mapping.BMC genomics · 2011Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chromosomes often serve as one of the most important molecular aspects of studying the evolution of species. Indeed, most of the crucial mutations that led to differentiation of species during the evolution have occurred at the chromosomal level. Furthermore, the analysis of pachytene chromosomes appears to be an invaluable tool for the study of evolution due to its effectiveness in chromosome identification and precise physical gene mapping. By applying fluorescence in situ hybridization of 45S rDNA and CsCent1 probes to cucumber pachytene chromosomes, here, we demonstrate that cucumber chromosomes 1 and 2 may have evolved from fusions of ancestral karyotype with chromosome number n = 12. This conclusion is further supported by the centromeric sequence similarity between cucumber and melon, which suggests that these sequences evolved from a common ancestor. It may be after or during speciation that these sequences were specifically amplified, after which they diverged and specific sequence variants were homogenized. Additionally, a structural change on the centromeric region of cucumber chromosome 4 was revealed by fiber-FISH using the mitochondrial-related repetitive sequences, BAC-E38 and CsCent1. These showed the former sequences being integrated into the latter in multiple regions. The data presented here are useful resources for comparative genomics and cytogenetics of Cucumis and, in particular, the ongoing genome sequencing project of cucumber.
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