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The human‐ABO blood groups of free‐ranging long‐tailed macaques ( Macaca fascicularis ) and parapatric rhesus macaques ( M. mulatta ) in Thailand
Author(s) -
Malaivijitd Suchinda,
SaeLow Wattana,
Hamada Yuzuru
Publication year - 2008
Publication title -
journal of medical primatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.31
H-Index - 42
eISSN - 1600-0684
pISSN - 0047-2565
DOI - 10.1111/j.1600-0684.2007.00223.x
Subject(s) - parapatric speciation , abo blood group system , rhesus macaque , biology , virology , immunology , genetics , genetic variation , gene flow , gene
Background Long‐tailed and rhesus macaques are widely used in biomedical research; therefore, the known blood group is important. Methods The human‐type ABO blood group was determined in wild or semi‐wild long‐tailed and rhesus macaques in Thailand. A total of 729 long‐tailed and 160 rhesus macaques from 20 localities were temporarily caught. Results The frequency profiles of blood groups, calculated by averaging the frequency of each troop in long‐tailed and rhesus macaques, were AB > O > B > A at 29.6%, 27.4%, 27.2%, and 15.8%, and B > AB > A > O at 39.6%, 33.4%, 18.2%, and 8.8%, respectively. Irrespective of locality, the frequencies were AB > O > B > A of 29.6%, 28.0%, 24.4%, and 18.0%, and AB > B > A > O of 37.5%, 28.7%, 26.9%, and 6.9%, respectively, for all long‐tailed and rhesus macaques. The frequency profile of blood groups in Thai rhesus macaques was somewhat similar to that in the parapatric long‐tailed macaques; however, it was different from other rhesus populations where only group B was detected. Conclusions Our data support the hypothesis that Indochinese rhesus macaques are hybrids between rhesus and long‐tailed macaques in the past.