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Preliminary analysis of mitochondrial DNA variation in a southern feeding group of eastern North Pacific gray whales


, : Preliminary analysis of mitochondrial DNA variation in a southern feeding group of eastern North Pacific gray whales. Conservation Genetics 2(4): 379-384

Although the majority of eastern North Pacific (ENP) gray whales migrate to feeding grounds in the Bering and Chukchi Seas, some terminate the migration in more southerly areas such as British Columbia (BC). Long-term sighting studies in Clayoquot Sound (CS), BC, indicate that approximately 35-50 individuals exhibit long-term fidelity to this site. To determine the sex composition (based on genetic sexing) of CS gray whales and to assess whether matrilineal site-fidelity occurs in CS, we collected skin biopsy samples from 16 CS individuals ('residents') and 41 samples from other areas (representative of the overall population in the ENP: 'non-residents'). A total of 27 polymorphic sites defined 24 haploytpes among the 57 samples sequenced for HV1 of the mtDNA control region. The nucleotide and haplotype diversities of these samples were 0.017 (SE=0.0012) and 0.94 (SE=0.0019), respectively. Neighbor-joining analysis revealed five lineages each of which contained haplotypes that were observed in both residents and non-residents. Residents did not differ significantly from non-residents, and no significant sex-ratio bias was found. These data suggest a level of diversity that is inconsistent with a severe historical bottleneck, and given the available sample size, do not indicate matrilineally directed fidelity to Clayoquot Sound.

US$19.90

DOI: 10.1023/a:1012590315579


Other references

Neufang, H.; Mueller, H.; Knobloch, K., 1983: Purification and properties of the adenylate kinases ec 2.7.4.3 from rhodopseudomonas palustris rhodopseudomonas sphaeroides and rhodospirillum rubrum. The adenylate kinases (EC 2.7.4.3) from photosynthetically grown R. palustris, R. sphaeroides and R. rubrum were purified to homogeneity by the same procedure. The purified enzymes showed optimal rates of activity with MgCl2 at 25.degree. C and pH...

Martín Osés, E.; Páez Borda, A.; Luján Galán, M.; Ruiz de la Roja, J.C.; Sánchez Sánchez, E.; Berenguer Sánchez, A., 1998: Bladder pheochromocytoma: a rare cause of ureterohydronephrosis. To describe a case of bladder paraganglioma with an uncommon form of presentation. The clinical features and diagnostic aspects of this condition are briefly reviewed. Herein we describe the clinical history of a young male patient that had been m...

Schaller, T.; Moor, H.C.ristoph; Wehrli, B., 1997: Sedimentary profiles of Fe, Mn, V, Cr, As and Mo as indicators of benthic redox conditions in Baldeggersee. Concentration profiles of Mg, K, La, Fe, Mn, V, Cr, As and Mo were determined in samples from a freeze core taken at the deepest site of Baldeggersee in 1993. The special coring technique allowed an exact dating of the sediment samples and an annu...

Doerfel, L.K.; Wohlgemuth, I.; Kothe, C.; Peske, F.; Urlaub, H.; Rodnina, M.V., 2013: EF-P is essential for rapid synthesis of proteins containing consecutive proline residues. Elongation factor P (EF-P) is a translation factor of unknown function that has been implicated in a great variety of cellular processes. Here, we show that EF-P prevents ribosome from stalling during synthesis of proteins containing consecutive p...

Longest, Henry L.II, 1992: Superfund Environmental progress? A report on environmental indicators. McKenzie, D H , Hyatt, D E , McDonald, V J Ecological indicators, Vols 1 and 2 : 2) 1203-1210

Ozeki N.; Muto H., 1984: Ultrastructures of the cross striated fibers in the fully keratinized human hair cortex. Acta Anatomica Nipponica 59(4): 555

Seyfarth, RM.; Cheney, DL., 1980: The ontogeny of vervet monkey alarm calling behavior: a preliminary report. Adult vervet monkeys effectively classify animals in the world around them by giving alarm calls to some species but not to others, and by giving acoustically different alarms for leopards, martial eagles, pythons and baboons. When compared to adu...

Haven, H., 1939: Neurocirculatory Scalenus Anticus Syndrome in the Presence of Developmental Defects of the First Rib. Yale Journal of Biology and Medicine 11(5): 443-448

Pourfarzam M.; Bartlett K., 1991: Products and intermediates of the beta oxidation of uniformly carbon 14 labeled hexadecanedionoyl mono coenzyme a by rat liver peroxisomes and mitochondria. The synthesis of [U-14C]hexadecanedionoyl-mono-CoA is described. The .beta.-oxidation of [U-14C]hexadecanedionoyl-mono-CoA by purified rat liver peroxisomes and mitochondria is demonstrated. The products of mitochondrial .beta.-oxidation of [U-14C...

Buchtala, V.; Jensen, H.P., 1955: Problem of cerebral angiography. Fortschritte auf dem Gebiete der Rontgenstrahlen 82(1): 76-85