Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    We will mail you new results for this query: keywords==Plastome
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Plastome based phylogenetics and younger crown node age in Pelargonium
Kerke, Sara J. van de; Shrestha, Bikash ; Ruhlman, Tracey A. ; Weng, Mao Lun ; Jansen, Robert K. ; Jones, Cynthia S. ; Schlichting, Carl D. ; Hosseini, Samin ; Mohammadin, Setareh ; Schranz, M.E. ; Bakker, Freek T. - \ 2019
Molecular Phylogenetics and Evolution 137 (2019). - ISSN 1055-7903 - p. 33 - 43.
Geraniaceae - Pelargonium - Phylogeny - Plastome - Time-calibrated

The predominantly South-African plant genus Pelargonium L'Hér. (Geraniaceae) displays remarkable morphological diversity, several basic chromosome numbers as well as high levels of organelle genomic rearrangements, and represents the 7th largest Cape Floristic Region clade. In this study, we reconstructed a phylogenetic tree based on 74 plastome exons and nuclear rDNA ITS regions for 120 species, which represents 43% taxon coverage for Pelargonium. We also performed a dating analysis to examine the timing of the major radiations in the genus. Phylogenetic analyses of nucleotide, amino acid, and ITS alignments confirmed the previously-documented subgeneric split into five main clades ((C1,C2),(B(A1,A2))) although clade only A1 received low bootstrap support. Using calibration evidence from a range of sources the Pelargonium crown age was estimated to be 9.7 My old, much younger than previous estimates for the genus but similar to recent studies of other Cape Floristic lineages that are part of both Fynbos and Succulent Karoo biomes.

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