Polimorfismo de tamaño entre cromosomas homólogos, un caso extremo en Alstroemeria pulchra Sims. (Alstroemeriaceae), especie endémica de Chile

Chile is located in the south-western region of South America along the Pacific Ocean and contributes to the worldwide flora with ca. 6,120 species of Bryophyta, Pteridophyta, Pinophyta, Gnetophyta, and Magnoliophyta (1.9% of worldwide total species), exhibiting high endemism across all plant divisions. Little is known about the genetic diversity of Chilean land plants worldwide, including their cytogenetic and molecular characteristics. In 2012 we published the first state-of-the-art review in Cytogenetics of Chilean Angiosperms. The article gathered 78 publications from 1924 to 2010 accounting for approximately 139 species (2.8% of total Chilean species). The aim of this paper was to review the advances in cytogenetic studies of Chilean land plants, reporting additional cytogenetic data for species of four botanical divisions until 2020. Cytogenetic data were searched in the CPCD (Chilean Plants Cytogenetic Database). In total, we found 180 publications from both Chilean and foreign researchers. To date, cytogenetic data have been reported for 499 Chilean land plant species (8.2% of total) belonging to 244 genera and 117 families. In this context, the 2001-2020 period has been among the most productive regarding publications, with 74 available reports that include 163 additional species. Based on chromosome numbers, angiosperms and bryophytes registered the greatest diversity with 55 and 29 different 2n, respectively; both divisions having the greatest number of studied species. Given the importance of increasing information on Chilean land plants, it is expected that more publications will contribute to the knowledge of their cytogenetic diversity in the near future. Key words: chromosome banding, chromosome number, DNA C-value, karyotype morphology, polyploidy.

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Polimorfismo de tamaño entre cromosomas homólogos, un caso extremo en Alstroemeria pulchra Sims. (Alstroemeriaceae), especie endémica de Chile

Cited by 3 publications

References 13 publications

Cytogenetics of wild species of the Alstroemeriaceae family (Liliales)

Cytogenetics of wild species of the Alstroemeriaceae family (Liliales)

“Alstroemeria maxima (Alstroemeriaceae, Alstroemerieae), a hidden giant” revealed through integrative taxonomy

Cytogenetics of Chilean Land Plants (Embryophyta): State-of-the-Art and Prospects

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