ArticleComparative cytogenetics2016
Refinement of the karyological aspects of Psidium guineense (Swartz, 1788): a comparison with Psidium guajava (Linnaeus, 1753).
Article in Comparative cytogenetics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- A reference genome for Plinia edulis: expanding the pharmacological and nutraceutical potential of a neglected brazilian tree species.Molecular genetics and genomics : MGG · 2025Article
- Effects of trimer repeats on Psidium guajava L. gene expression and prospection of functional microsatellite markers.Scientific reports · 2024Article
- Genomic and epigenomic variation in Psidium species and their outcome under the yield and composition of essential oils.Scientific reports · 2023Article
- Genetic Diversity and Population Structure of Psidium Species from Restinga: A Coastal and Disturbed Ecosystem of the Brazilian Atlantic Forest.Biochemical genetics · 2022Article
- Diversity, phylogeny and evolution of the rapidly evolving genus Psidium L. (Myrtaceae, Myrteae).Annals of botany · 2022Review
- Population Genetics of Polyploid Complex Psidium cattleyanum Sabine (Myrtaceae): Preliminary Analyses Based on New Species-Specific Microsatellite Loci and Extension to Other Species of the Genus.Biochemical genetics · 2021Article
- The Taming ofFrontiers in plant science · 2021Review
- Chromosome Pairing in Polyploid Grasses.Frontiers in plant science · 2020Review
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Euploidy plays an important role in the evolution and diversification of Psidium Linnaeus, 1753. However, few data about the nuclear DNA content, chromosome characterization (morphometry and class) and molecular markers have been reported for this genus. In this context, the present study aims to shed light on the genome of Psidium guineense Swartz, 1788, comparing it with Psidium guajava Linnaeus, 1753. Using flow cytometry, the nuclear 2C value of Psidium guineense was 2C = 1.85 picograms (pg), and the karyotype showed 2n = 4x = 44 chromosomes. Thus, Psidium guineense has four chromosome sets, in accordance with the basic chromosome number of Psidium (x = 11). In addition, karyomorphometric analysis revealed morphologically identical chromosome groups in the karyotype of Psidium guineense. The high transferability of microsatellites (98.6%) further corroborates with phylogenetic relationship between Psidium guajava and Psidium guineense. Based on the data regarding nuclear genome size, karyotype morphometry and molecular markers of Psidium guineense and Psidium guajava (2C = 0.95 pg, 2n = 2x = 22 chromosomes), Psidium guineense is a tetraploid species. These data reveal the role of euploidy in the diversification of the genus Psidium.
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