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Microsatellites genotyping for common and lesser cuckoos


Lee, Jin-Won et al. (2020), Microsatellites genotyping for common and lesser cuckoos, Dryad, Dataset,


In a parasite species, the dispersal of individuals should be dependent on host species to which they are specialized; thus, any sexual/individual difference in host specificity may influence their dispersal patterns, and hence, population genetic structures. However, such predictions remain poorly verified in generalist avian brood parasites that is composed of multiple lineages of host-specific races. Here, we show the dispersal consequences inferred from spatial genetic structures and their association with host specificity in brood parasitic common cuckoos Cuculus canorus in which female-specific host race formation has been widely accepted. Genetic sampling from adult cuckoos confirmed restricted dispersal in both sexes and resultant genetic structures between populations where different host species breed allopatrically, whereas it was not the case between distant areas inhabited by the same host species. Contrary to the female host race hypothesis, our results demonstrate that male cuckoos may also have host specificity and disperse accordingly, conclusively allowing us to hypothesize the formation of host race including both sexes.


Using mist nets with song playbacks and dummy cuckoos, we captured common cuckoos in MA and JJ during the breeding season (May-July) in 2013 and 2014, respectively, and in YP in 2018 (Fig. 1). For lesser cuckoos which only commonly occur in the southern part of Korea, the catching was conducted in MA and JJ in 2013 and 2014, respectively. We captured in total 110 common cuckoos and 74 lesser cuckoos: 25 (6 females and 19 males), 46 (6 females and 40 males) and 39 common cuckoos (8 females and 31 males) in MA, YP and JJ, respectively, and 21 (6 females and 15 males) and 53 lesser cuckoos (9 females and 44 males) in MA and JJ, respectively. Blood samples (20-30 µl) were collected from the brachial wing vein of these birds and maintained in 1.5ml tubes with absolute ethanol at room temperature until further processing. Each bird was banded with a metal ring to prevent potential duplicate sampling. After sample collection, the cuckoos were safely released at the place where they were captured.

DNA was extracted from blood samples using the ammonium acetate method (Nicholls et al. 2000). For microsatellite genotyping, we initially attempted to characterize both species of cuckoos at 14 microsatellites (Ccμ 01, 02, 09, 13, 60, 88, 100, 108, 119, 137, Clu 02, 03, 05, Cba 08) that were employed in previous studies on the common cuckoo (Gibbs et al. 2000; Fossøy et al. 2011). The polymerase chain reaction (PCR) and processing of the PCR products were outsourced to SolGent co., Ltd, Daejeon, Korea. PCR was conducted in an ABI 9700 thermal cycler (Applied Biosystems) according to the following conditions: 95 °C denaturation for 15 min, followed by 35 cycles of denaturing at 95 °C for 20 s, annealing at 54.0 °C for 40 s and then 72 °C for 60 s, and final extension at 72 °C for 3 min. The PCR products were run in a GeneScan™ 500 ROX™ and an ABI 3130XL DNA Analyzer (Applied Biosystems) and the data obtained were scored in ABI GeneMapper v. 4.0 (Applied Biosystems) by one person (the first author) to ensure consistency.

For mtDNA analysis, a 411-basepair portion of the left-hand hypervariable region of the mtDNA control region in both common and lesser cuckoo was sequenced. We used two Cuculus-specific primers (CCRL1A, 5’-CAT GAT ACA TTA CAT GTA TGC CTG-3’ and CCRH1, 5’-CTG AAA TAG TAT GAA TGT ATC TGT G-3’) for PCR as described by Gibbs et al. (2000), which successfully amplified the target region of mtDNA in both species. PCR and sequencing of the PCR products were outsourced to SolGent co., Ltd, Daejeon, Korea. DNA amplification was performed using an ABI 9700 thermal cycler (Applied Biosystems) with the same condition described above. The purified PCR products were sequenced using a BigDye Terminator v3.1 cycle sequencing ready reaction Kit and an ABI 3730XL DNA Analyzer (Applied Biosystems). DNA was sequenced from both ends using the same primers as in PCR. Chromatograms were edited and assembled by Sequencher 4.9 (Gene Codes Corporation). The edited sequences were aligned with Clustral W (Thompson et al. 1994) and manually adjusted using MEGA 6.0 (Tamura et al. 2013).

Usage Notes

The data contains two files that were used in the associated manuscript. 

1) The results of microsatellite gentyping for common cuckoos (11 markers) and lesser cuckoos (10 markers) according to sex and capture sites (CJ: common cuckoo captured in Jeju; CM: common cuckoo captured in Muan; CY: common cuckoo captured in Yangpyeong; PJ: lesser cuckoo captured in Jeju; PM: lesser cuckoo captured in Muan).

2) The frequency of mtDNA haplotypes according to capture sites in common cuckoos and lesser cuckoos. The exact sequences of the haplotypes can be found in the supplementary files of the associated manuscript.



National Research Foundation of Korea, Award: 2012R1A6A3A04040003, 2017 R1D1A1B03030329