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Biology 2018, 7(3), 43; https://doi.org/10.3390/biology7030043

Characterization of Plastidial and Nuclear SSR Markers for Understanding Invasion Histories and Genetic Diversity of Schinus molle L.

1
Núcleo de Ecologia Molecular e Micropropagação de Plantas, Universidade Federal do Pampa, São Gabriel ZIP 97307-020, Brazil
2
Instituto de Bioquímica Médica Leopoldo de Meis—CCS, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
3
Centro Interdisciplinar de Pesquisas em Biotecnologia—CIP-Biotec, Campus São Gabriel, Universidade Federal do Pampa, São Gabriel ZIP 97307-020, Brazil
*
Author to whom correspondence should be addressed.
Received: 26 June 2018 / Revised: 24 July 2018 / Accepted: 25 July 2018 / Published: 10 August 2018
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Abstract

Invasive plant species are expected to display high dispersal capacity but low levels of genetic diversity due to the founder effect occurring at each invasion episode. Understanding the history of invasions and the levels of genetic diversity of such species is an important task for planning management and monitoring strategy for these events. Peruvian Peppertree (Schinus molle L.) is a pioneer tree species native from South America which was introduced in North America, Europe and Africa, becoming a threat to these non-native habitats. In this study, we report the discovery and characterization of 17 plastidial (ptSSR) and seven nuclear (nSSR) markers for S. molle based on low-coverage whole-genome sequencing data acquired through next-generation sequencing. The markers were tested in 56 individuals from two natural populations sampled in the Brazilian Caatinga and Pampa biomes. All loci are moderately to highly polymorphic and revealed to be suitable for genetic monitoring of new invasions, for understanding the history of old invasions, as well as for genetic studies of native populations in their natural occurrence range and of orchards established with commercial purposes. View Full-Text
Keywords: invasive species; genetic diversity; genetic resources; molecular markers invasive species; genetic diversity; genetic resources; molecular markers
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Lemos, R.P.M.; Matielo, C.B.D.; Beise, D.C.; da Rosa, V.G.; Sarzi, D.S.; Roesch, L.F.W.; Stefenon, V.M. Characterization of Plastidial and Nuclear SSR Markers for Understanding Invasion Histories and Genetic Diversity of Schinus molle L.. Biology 2018, 7, 43.

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