Population genetic structure and morphological diversity of Cruzia tentaculata (Nematoda: Ascaridida), a parasite of marsupials (Didelphinae), along the Atlantic Forest on the eastern coast of South America

被引:1
|
作者
Souza, Renata [1 ,2 ]
Vilela, Roberto do Val [2 ]
Gentile, Rosana [2 ]
Lopes-Torres, Eduardo Jose [3 ]
Cordeiro-Estrela, Pedro [4 ]
Moratelli, Ricardo [5 ]
Da Costa-Neto, Socrates Fraga [5 ]
Cardoso, Thiago dos Santos [2 ,6 ]
Varella, Karina [7 ]
Maldonado Junior, Arnaldo [2 ]
机构
[1] Fundacao Oswald Cruz, Inst Oswald Cruz, Programa Posgrad Biodiversidade & Saude, Av Brasil 4365, BR-21040360 Rio De Janeiro, RJ, Brazil
[2] Fundacao Oswald Cruz, Inst Oswald Cruz, Lab Biol & Parasitol Mamiferos Silvestres Reserva, Av Brasil 4365, BR-21040360 Rio De Janeiro, RJ, Brazil
[3] Univ Estado Rio de Janeiro UERJ, Ctr Biomed, Fac Ciencias Med, Lab Helmintol Romero Lascasas Porto,Dept Microbio, Rio De Janeiro, RJ, Brazil
[4] Univ Fed Paraiba, Programa Posgrad Ciencias Biol, Lab Mamiferos, Dept Sistemat & Ecol, Jardim Univ S-N,Castelo Branco 3, BR-58051900 Joao Pessoa, Paraiba, Brazil
[5] Fundacao Oswald Cruz, Fiocruz Mata Atlantica, Av Sampaio Correa S-N, BR-22713560 Rio De Janeiro, RJ, Brazil
[6] FAPERJ Fundacao Carlos Chagas Filho Amparo Pesqui, Programa Posdoutorado Nota 10 2021, Av Erasmo Braga 118, BR-20020000 Rio De Janeiro, RJ, Brazil
[7] Fundacao Oswald Cruz, Inst Oswald Cruz, Programa Posgrad Biol Parasitaria PPGBP, Rio De Janeiro, RJ, Brazil
关键词
AMOVA; fixation index; Kathlaniidae; Mantel test; morphology; nematode; neutrality tests; opossum; population genetics; COMPLETE MITOCHONDRIAL GENOME; 1819; TRAVASSOS; ALIGNMENT; RUDOLPHI; OPOSSUM;
D O I
10.1017/S0031182022000981
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
Cruzia tentaculata is a helminth parasite of marsupials and has a wide geographic distribution from Mexico to Argentina. The aim of this study was to analyse the genetic population structure of this nematode along the Atlantic Forest biome. Cruzia tentaculata specimens were recovered from Didelphis aurita, Didelphis albiventris and Philander quica in 9 localities. Morphological and morphometric data were investigated for phenotypic diversity among localities and hosts using multivariate discriminant analysis of principal components. Phylogenetic relationships of C. tentaculata were determined using maximum likelihood and Bayesian inference. The population structure was analysed by fixation indices, molecular variance analysis, Tajima's D and Fu's Fs neutrality tests, Mantel tests and Bayesian clustering analysis. A higher significant morphometric difference for males was observed between localities. In the haplogroup networks, 2 groups were recovered, separating locations from the north and from the south/southeast. The morphometric variation in C. tentaculata between different localities was compatible with this north and southeast/south pattern, suggesting adaptation to different ecological conditions. Population genetic analyses suggested a pattern of evolutionary processes driven by Pleistocene glacial refugia in the northeast and southeast of the Atlantic Forest based on the distribution of genetic diversity.
引用
收藏
页码:1487 / 1504
页数:18
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