Fig 1.
Geographic location of albacore sampled.
Circles are proportional to the number of individuals collected. (A) southwest Indian Ocean (n = 42), (B) northwest Indian Ocean (n = 31), (C) South Africa (n = 31), and (D) southeast Atlantic Ocean (n = 32).
Table 1.
Summary of the selection steps used to develop microsatellite markers.
Fig 2.
Read length distribution and number of reads throughout QDD bioinformatics pipeline steps.
Table 2.
Microsatellite markers developed for Thunnus alalunga (43) with the corresponding GenBank number.
Table 3.
Summary statistics of the potentially selective «neutral» microsatellite markers (34) for albacore (Thunnus alalunga).
Fig 3.
Number of microsatellites detected within good quality reads for primer design purpose and number of microsatellites with a successfully designed primer pair by motif type.
Table 4.
Characteristics of two «non-neutral» microsatellite markers for albacore (Thunnus alalunga).
Fig 4.
Factorial correspondence analysis (FCA) in three dimensions of four albacore populations.
A (grey), B (yellow), C (blue), and D (white) (populations names as defined in Fig 1) with 36 markers (34 «neutral» and 2 «non-neutral» markers).
Table 5.
Probability of detecting a particular level of differentiation (FST) among populations of albacore with 1 000 replicates.
Table 6.
PCR amplification results of 37 microsatellites markers tested on Scombridae species (Thunnus albacares, Thunnus thynnus, Thunnus obesus, Acanthocybium solandri) with 4 or 5 individuals per species.