Rutaceae

Fragmentation effects and genetic diversity of the key semidecidual forest species Metrodorea nigra in Southwestern Brazil

R. M. Moraes Filho, Bonifácio-Anacleto, F., and Alzate-Marin, A. L., “Fragmentation effects and genetic diversity of the key semidecidual forest species Metrodorea nigra in Southwestern Brazil”, vol. 14, pp. 3509-3524, 2015.

Studies of genetic diversity in plant species present in the remaining fragments of the Atlantic Forest are very important for understanding their resilience to such a degraded ecosystem. We analyzed the genetic diversity of 3 populations of the high-density understory species Metrodorea nigra St. Hill. (Rutaceae) located in forest remnants in the region of Ribeirão Preto, SP, Brazil (M13-Rib, BSQ-Rib, and FAC-Crav), by using simple sequence repeat (SSR) and inter-simple sequence repeat (ISSR) molecular markers for conservation purposes.

Genetic diversity of Metrodorea nigra (Rutaceae) from a small forest remnant in Brazil assessed with microsatellite markers

M. C. Guidugli, Ferreira-Ramos, R., de Sousa, A. C. B., Cidade, F. W., Marconi, T. G., Mestriner, M. A., Groppo, M., and Alzate-Marin, A. L., “Genetic diversity of Metrodorea nigra (Rutaceae) from a small forest remnant in Brazil assessed with microsatellite markers”, vol. 11, pp. 10-16, 2012.

Metrodorea nigra (Rutaceae) is an endemic Brazilian tree of great ecological importance, frequently found in the submontane regions of ombrophilous dense and semideciduous forests. This tree is useful for reforesting degraded areas and the wood can be employed in construction. We developed 12 microsatellite markers from a genomic library enriched for GA/CA repeats, for this species. Polymorphisms were assessed in 40 trees of a highly fragmented population found in Cravinhos, State of São Paulo, in southeastern Brazil.

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