@article{fdi:010079585, title = {{D}evelopment and characterization of nineteen microsatellite loci for the endangered {M}editerranean monk seal {M}onachus monachus}, author = {{D}ayon, {J}. and {L}ecompte, {E}. and {A}guilar, {A}. and {L}arrinoa, {P}. {F}. de and {P}ires, {R}. and {G}aubert, {P}hilippe}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}editerranean monk seal ({M}onachus monachus) is one of the world's most endangered marine mammals. {C}enturies of human persecution along with recent expansion of the fishing industry and intensive shoreline development, have isolated {M}editerranean monk seals into small populations in the eastern {M}editerranean {B}asin and eastern {N}orth {A}tlantic. {W}e developed 19 microsatellite loci from the species' genome and investigated genetic patterns within the two existing populations from the {N}orth {A}tlantic ({C}abo {B}lanco and {M}adeira;{N} = 50). {M}icrosatellite characterization was conducted on the {C}abo {B}lanco population before the massive die-off that happened in 1997 ({N} = 30). {F}our loci deviated from the {H}ardy-{W}einberg equilibrium and six loci showed an excess of homozygotes, suggesting that both nonequilibrium conditions (small-size, bottlenecked population subject to inbreeding) and null alleles are at stake. {W}e could not detect any linkage disequilibrium among locus pairs. {T}he genetic diversity observed in the population was low (mean number of alleles per locus = 2.68) but higher than reported in previous studies using cross-species amplification for the same population. {O}bserved levels of genetic diversity in the post-crash population ({N} = 16) were slightly lower than in the precrash population ({A}({R}) = 2.14 vs. 2.39), but the loss of 10 rare alleles in the post-crash population likely reflects the deleterious impact of the 1997 die-off. {T}he {M}adeiran individuals ({N} = 4) were fully homozygous ({A}({R}) = 1.11). {A}lthough they were genetically differentiated from {C}abo {B}lanco, allelic distribution showed that {M}adeira is a genetically depauperate subpopulation of {C}abo {B}lanco, suggesting that translocations from the latter may be considered beneficial. {T}he newly developed microsatellites shall prove useful in managing populations at the individual level, and will be used to further investigate on the genetic structure and historical demography of past and present populations of {M}editerranean monk seals.}, keywords = {{C}onservation genetics ; {M}arine mammal ; {M}icrosatellites ; {M}onachinae ; {N}orth {A}tlantic {O}cean ; {P}opulation genetics ; {ATLANTIQUE} ; {MAURITANIE} ; {MADERE} ; {CAP} {BLANC} {PENINSULE}}, booktitle = {}, journal = {{M}arine {B}iodiversity}, volume = {50}, numero = {5}, pages = {67 [7 ]}, ISSN = {1867-1616}, year = {2020}, DOI = {10.1007/s12526-020-01101-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010079585}, }