Demographic history and population structure of the Antarctic silverfish Pleuragramma antarcticum
Analysis of molecular variation indicated a small, though highly significant, value of differentiation between samples, and this result, together with the lack of association between clades and geographical locations, indicates a weak population structure for the species.
Mitochondrial Function in Antarctic Nototheniids with ND6 Translocation
The translocation of ND6 is interpreted as functionally neutral but the change in amino acid sequence as adaptive and supportive of cold stenothermy in Antarctic nototheniids, and an enhanced sensitivity to ocean warming can be deduced.
Genetic differentiation and local temporal stability of population structure in the euphausiid Meganyctiphanes norvegica
The genetic structure, as revealed by analysis of population samples collected at the same site in consec- utive years, was stable during that sampling period, and revealed the existence of 4 geneti- cally and geographically distinct gene pools of M. norvegica.
The population genomics of yellowfin tuna (Thunnus albacares) at global geographic scale challenges current stock delineation
Stock assessment approaches that consider genetic differences at neutral and adaptive genomic loci should be routinely implemented to check the status of the yellowfin tuna, prevent illegal trade, and develop more sustainable management measures.
Spatial and temporal boundaries to gene flow between Chaenocephalus aceratus populations at South Orkney and South Shetlands
ABSTRACT: The black-fin icefish Chaenocephalus aceratus is among the most abundant fish specieson the Antarctic continental shelves of the Scotia Arc, and Bouvet Island. We genotyped 11…
Methodological assessment of 2b-RAD genotyping technique for population structure inferences in yellowfin tuna (Thunnus albacares).
Antarctic Fish Mitochondrial Genomes Lack ND6 Gene
- C. Papetti, P. Lio’, L. Rüber, T. Patarnello, R. Zardoya
- BiologyJournal of Molecular Evolution
- 23 October 2007
It is concluded that ND6 function was lost in Antarctic notothenioids, and could be compensated for by functional changes in other proteins of the mitochondrial respiratory system.
First Evidence of Inbreeding, Relatedness and Chaotic Genetic Patchiness in the Holoplanktonic Jellyfish Pelagia noctiluca (Scyphozoa, Cnidaria)
- G. Aglieri, C. Papetti, L. Zane, G. Milisenda, F. Boero, S. Piraino
- Environmental SciencePLoS ONE
- 30 June 2014
The results suggest that despite its extreme dispersal potential, P. noctiluca does not maintain a single homogenous population, but rather these jellyfish appear to have intra-bloom localized recruitment and/or individual cohesiveness, whereby siblings more likely swarm together as a single group and remain close after spawning events.
Microsatellite analysis reveals genetic differentiation between year-classes in the icefish Chaenocephalus aceratus at South Shetlands and Elephant Island
- C. Papetti, E. Susana, M. La Mesa, K. Kock, T. Patarnello, L. Zane
- Environmental SciencePolar Biology
- 18 July 2007
The results support the evidence from previous studies on differences in infestation patterns of parasites that a single panmictic population of C. aceratus exists, and indicate the presence of a significant genetic differentiation between individual year-classes pointing out the existence of dynamic processes acting at the population genetic level.
Population genomics meet Lagrangian simulations: Oceanographic patterns and long larval duration ensure connectivity among Paracentrotus lividus populations in the Adriatic and Ionian seas
Comparisons with studies conducted using nuclear markers on other species with similar pelagic larval durations in the same Adriatic–Ionian locations indicates species‐specific differences in genetic connectivity patterns and warns against generalizing single‐species results to the entire community of rocky shore habitats.