期刊
MOLECULAR ECOLOGY RESOURCES
卷 17, 期 4, 页码 783-795出版社
WILEY
DOI: 10.1111/1755-0998.12637
关键词
Apis mellifera mellifera; dark European honeybee; honeybee conservation; introgression; microsatellites; SNPs
资金
- Fundacion Seneca [19149/ PD/13-N]
- University of Murcia [R-1017/2015]
- Portuguese Science Foundation (FCT) [SFRH/BD/68682/2010, SFRH/BD/84195/2012]
- COST Action [FA1307]
- project of Regional Excellence of the Fundaci on Seneca (Gobierno Regional de Murcia, Spain) [19908-GERM-15]
- FCT
- COMPETE/QREN/EU [PTDC/BIA-BEC/099640/2008, 2013-2014 BiodivERsA/FACCE-JPI, 138573 - BiodivE RsA/0002/2014]
- TAMU Institute of Genomic Science and Society
- Fundação para a Ciência e a Tecnologia [SFRH/BD/84195/2012, BiodivERsA/0002/2014, PTDC/BIA-BEC/099640/2008, SFRH/BD/68682/2010] Funding Source: FCT
The honeybee (Apis mellifera) has been threatened by multiple factors including pests and pathogens, pesticides and loss of locally adapted gene complexes due to replacement and introgression. In western Europe, the genetic integrity of the native A. m. mellifera (M-lineage) is endangered due to trading and intensive queen breeding with commercial subspecies of eastern European ancestry (C-lineage). Effective conservation actions require reliable molecular tools to identify pure-bred A. m. mellifera colonies. Microsatellites have been preferred for identification of A. m. mellifera stocks across conservation centres. However, owing to high throughput, easy transferability between laboratories and low genotyping error, SNPs promise to become popular. Here, we compared the resolving power of a widely utilized microsatellite set to detect structure and introgression with that of different sets that combine a variable number of SNPs selected for their information content and genomic proximity to the microsatellite loci. Contrary to every SNP data set, microsatellites did not discriminate between the two lineages in the PCA space. Mean introgression proportions were identical across the two marker types, although at the individual level, microsatellites' performance was relatively poor at the upper range of Q-values, a result reflected by their lower precision. Our results suggest that SNPs are more accurate and powerful than microsatellites for identification of A. m. mellifera colonies, especially when they are selected by information content.
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