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- Title
Genetic Structure of the Carnivorous Plant Pinguicula moranensis (Lentibulariaceae) on the Transvolcanic Mexican Belt.
- Authors
Alcalá, Raúl; Domínguez, César
- Abstract
Most species of Pinguicula present a montane distribution with populations located at high altitudes. In this context, we proposed that populations of Pinguicula species could be genetically differentiated even at a local scale. This study supported that prediction, as a RAPD-based analysis of molecular variance revealed a high degree of genetic structure ( Φ = 0.157, P = 0.001) and low gene flow ( N = 1.0) among four central populations of Pinguicula moranensis in Mexico, with a maximum geographic separation of about 140 km. The four populations also exhibited high levels of genetic diversity (mean Nei's genetic diversity = 0.3716; % polymorphism = 95.45%). The evolutionary implications of the genetic structure found in P. moranensis for other species in the genus are discussed in the context of the naturally fragmented distribution and a set of life history traits shared by most Pinguicula species that could promote geographic isolation and limited gene flow.
- Subjects
MEXICO; BUTTERWORTS; GENETIC markers in plants; PLANT species; MOLECULAR structure; GENE flow in plants; RAPD technique
- Publication
Biochemical Genetics, 2012, Vol 50, Issue 5/6, p416
- ISSN
0006-2928
- Publication type
Article
- DOI
10.1007/s10528-011-9485-x