| Full text | |
| Author(s): |
Lopes, Iara F.
[1, 2]
;
Mino, Carolina I.
[1]
;
Rocha, Cristiano D.
[1]
;
Oliveira, Dalci M. M.
[3]
;
Del Lama, Silvia N.
[1]
Total Authors: 5
|
| Affiliation: | [1] Univ Fed Sao Carlos, Dept Genet & Evolucao, BR-13565905 Sao Carlos, SP - Brazil
[2] Univ Fed Sao Joao del Rei, Dept Zootecnia, BR-36301360 Sao Joao Del Rei, MG - Brazil
[3] Univ Fed Mato Grosso, Dept Biol & Zool, BR-78090060 Cuiaba, MT - Brazil
Total Affiliations: 3
|
| Document type: | Journal article |
| Source: | Genetica; v. 141, n. 4-6, p. 195-203, JUN 2013. |
| Web of Science Citations: | 6 |
| Abstract | |
The present study inferred the genetic mating system in a natural breeding population of the Jabiru Stork (Jabiru mycteria), a Neotropical wading bird considered endangered in part of its distribution range. Based on data from eight microsatellite loci, maximum-likelihood kinship reconstruction techniques, parentage assignment analyses and effective population size (Ne) estimates were applied to samples collected in the Brazilian Pantanal wetland (N = 45 nestlings from 20 nests; N = 17 shed adult feathers from 11 nests). The relationship diagnosis was determined for most of the complete clutches (86.66 %): 92.31 % were full siblings and 7.69 % were half siblings. Shed feathers collected from the nests matched the genetic parents of the offspring in 80 % of cases. Feathers collected from the ground below the nests were compatible with the putative parents in 41.67 % of cases. A mean Ne of 35 reproductive individuals was inferred, corresponding to an Ne/Nc ratio of 0.09, which is similar to the ratio found in populations of a number of different wild animals. The higher proportion of full siblings identified in the broods suggests that genetic monogamy is the prevalent mating system in the Jabiru Stork, while the detection of half siblings suggests some degree of extra-pair paternity. The present findings are in agreement with previous ecological observations of social monogamy in this species, despite the isolated evidence of extra-pair copulation events. This study also demonstrates the usefulness of a noninvasive approach to sampling adults and performing parentage and relatedness analyses in an elusive, threatened species. (AU) | |
| FAPESP's process: | 10/52315-7 - Top predators of food chain |
| Grantee: | Pedro Manoel Galetti Junior |
| Support Opportunities: | BIOTA-FAPESP Program - Regular Research Grants |
| FAPESP's process: | 10/50406-5 - Colonization of the American Continent by African populations of cattle egret (Bubulcus ibis) and its parasites (Plasmodium and Haemoproteus): genetics revealing the bioinvasion process |
| Grantee: | Silvia Nassif Del Lama |
| Support Opportunities: | Regular Research Grants |