A SNaPshot assay for genotyping 44 individual identification single nucleotide polymorphisms

2010 ◽  
Vol 32 (3-4) ◽  
pp. 368-378 ◽  
Author(s):  
Chunguang Lou ◽  
Bin Cong ◽  
Shujin Li ◽  
Lihong Fu ◽  
Xiaojing Zhang ◽  
...  
2015 ◽  
Vol 7 (1) ◽  
pp. 13-27 ◽  
Author(s):  
Robert R. Fitak ◽  
Ashwin Naidu ◽  
Ron W. Thompson ◽  
Melanie Culver

Abstract Pumas Puma concolor are one of the most studied terrestrial carnivores because of their widespread distribution, substantial ecological impacts, and conflicts with humans. Over the past decade, managing pumas has involved extensive efforts including the use of genetic methods. Microsatellites have been the most commonly used genetic markers; however, technical artifacts and little overlap of frequently used loci render large-scale comparison of puma genetic data across studies challenging. Therefore, a panel of genetic markers that can produce consistent genotypes across studies without the need for extensive calibrations is essential for range-wide genetic management of puma populations. Here, we describe the development of PumaPlex, a high-throughput assay to genotype 25 single nucleotide polymorphisms in pumas. We validated PumaPlex in 748 North American pumas Puma concolor couguar, and demonstrated its ability to generate reproducible genotypes and accurately identify individuals. Furthermore, in a test using fecal deoxyribonucleic acid (DNA) samples, we found that PumaPlex produced significantly more genotypes with fewer errors than 12 microsatellite loci, 8 of which are commonly used. Our results demonstrate that PumaPlex is a valuable tool for the genetic monitoring and management of North American puma populations. Given the analytical simplicity, reproducibility, and high-throughput capability of single nucleotide polymorphisms, PumaPlex provides a standard panel of markers that promotes the comparison of genotypes across studies and independent of the genotyping technology used.


2018 ◽  
Vol 75 (7) ◽  
pp. 1096-1105 ◽  
Author(s):  
Terry D. Beacham ◽  
Colin Wallace ◽  
Cathy MacConnachie ◽  
Kim Jonsen ◽  
Brenda McIntosh ◽  
...  

A study was undertaken to evaluate whether a parentage-based tagging (PBT) and genetic stock identification (GSI) program has the potential to emulate the results from an existing coded-wire tag (CWT) assessment program in British Columbia. A PBT–GSI approach was used to identify Chinook salmon (Oncorhynchus tshawytscha) to specific populations and brood years where 36 241 individuals from 45 populations were genotyped at 321 single nucleotide polymorphisms (SNPs). Known-origin and known-age age 1 juveniles from seven test populations were assigned via PBT (two parental genotypes required, 538 of 656 juveniles assigned; one parental genotype required, 636 of 656 juveniles assigned) with a minimum accuracy of 99.9%. Assignment accuracy via PBT of 1026 ages 1, 2, or 3 Chinook salmon returning to nine populations in 2015 or 2016 (two parental genotypes required, 556 of 1026 individuals assigned; one parental genotype required, 898 of 1026 individuals assigned) was a minimum of 99.8%. A PBT–GSI or PBT system of identification may provide an alternate cost-effective method of identification in the assessment and conservation of Canadian-origin Chinook salmon relative to the existing CWT program, thereby providing very high resolution of mixed-stock fishery samples containing both hatchery-origin (adipose fin clipped) and wild-origin (unclipped) populations.


2010 ◽  
Vol 34 (8) ◽  
pp. S75-S75
Author(s):  
Weifeng Zhu ◽  
Zhuoqi Liu ◽  
Daya Luo ◽  
Xinyao Wu ◽  
Fusheng Wan

2007 ◽  
Vol 28 (3) ◽  
pp. 161-164 ◽  
Author(s):  
Rosalind Arden ◽  
Nicole Harlaar ◽  
Robert Plomin

Abstract. An association between intelligence at age 7 and a set of five single-nucleotide polymorphisms (SNPs) has been identified and replicated. We used this composite SNP set to investigate whether the associations differ between boys and girls for general cognitive ability at ages 2, 3, 4, 7, 9, and 10 years. In a longitudinal community sample of British twins aged 2-10 (n > 4,000 individuals), we found that the SNP set is more strongly associated with intelligence in males than in females at ages 7, 9, and 10 and the difference is significant at 10. If this finding replicates in other studies, these results will constitute the first evidence of the same autosomal genes acting differently on intelligence in the two sexes.


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