Characterization of the genetic diversity and population structure of the manakin genus Antilophia through the development and analysis of microsatellite markers

被引:3
|
作者
Souza, Thainara O. [1 ]
Luna, Leilton W. [2 ]
Araripe, Juliana [1 ]
Melo, Mauro A. D. [3 ]
Silva, Weber A. G. [4 ]
Schneider, Horacio [5 ]
Sampaio, Iracilda [5 ]
Rego, Pericles S. [1 ]
机构
[1] Univ Fed Para, Lab Genet & Conservacao, Inst Estudos Costeiros, Rua Leandro Ribeiro S-N, BR-68600000 Braganca, PA, Brazil
[2] Univ Fed Para, Programa Posgrad Zool, Museu Paraense Emilio Goeldi, Ave Perimetral 1901-1907, BR-66040170 Belem, PA, Brazil
[3] Inst Fed Educ Ciencia & Tecnol Path, Lab Biol Mol & Neuroecol, Rua Escola Agr S-N, BR-68600000 Braganca, PA, Brazil
[4] Assoc Pesquisa & Preservacao Ecossistemas Aquat, Caucaia, CE, Brazil
[5] Univ Fed Para, Lab Genet & Biol Mol, Inst Estudos Costeiros, Rua Leandro Ribeiro S-N, BR-68600000 Braganca, PA, Brazil
关键词
Critically endangered; Effective population size; Genetic marker; Recent divergence; Simple sequence repeat;
D O I
10.1007/s10336-019-01655-w
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The two species of the genus Antilophia, Antilophia bokermanni and Antilophia galeata, are found in environments that are undergoing extensive modification, which may be provoking the loss of their genetic diversity. Nine polymorphic microsatellite loci were characterized and analyzed in each of these species. The distribution of allele frequencies revealed two clusters that reflected the distinct genetic profile of each species. Observed levels of heterozygosity were low for each species, with the lowest allelic diversity found in the critically endangered A. bokermanni. The set of loci described here, in contrast with other genetic markers that have been analyzed previously, effectively diagnosed the genetic diversity of different populations of the two species. ZusammenfassungCharakterisierung der genetischen Diversitat und der Populationsstruktur der Schnurrvogel-GattungAntilophiamittels MikrosatellitenDie Arten der Gattung Antilophia kommen in Lebensraumen vor, die stark gestort sind und Veranderungen unterworfen sind, was zu Verlust genetischer Diversitat fuhren konnte. Wir untersuchten je neun polymorphe Mikrosatelliten-Loci der beiden Antilophia-Arten. Die Analyse der Haufigkeitsverteilung der Allele zeigte die Existenz von zwei Gruppen auf und spiegelt so die unterschiedlichen genetischen Profile beider Arten wieder. Beide Arten wiesen einen niedrigen Heterozygositatsgrad auf; die niedrigste Allel-Diversitat wurde in der vom Aussterben bedrohten Art Antilophia bokermanni festgestellt. Es konnte nachgewiesen werden, dass die hier vorgestellten Locizur Diagnose der tatsachlichen genetischen Diversitat von Populationen der beiden Arten geeignet sind, im Gegensatz zu zuvor untersuchten genetischen Markern, die nicht in der Lage waren, diese Diversitat zu bestimmen.
引用
收藏
页码:825 / 830
页数:6
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