snp validation
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2016 ◽  
Vol 16 (4) ◽  
pp. 909-921 ◽  
Author(s):  
E. Humble ◽  
A. Martinez-Barrio ◽  
J. Forcada ◽  
P. N. Trathan ◽  
M. A. S. Thorne ◽  
...  

2014 ◽  
Vol 14 (6) ◽  
pp. 1261-1270 ◽  
Author(s):  
Chao Li ◽  
Geoff Waldbieser ◽  
Brian Bosworth ◽  
Benjamin H. Beck ◽  
Wilawan Thongda ◽  
...  

2014 ◽  
Vol 2014 ◽  
pp. 1-12 ◽  
Author(s):  
Qing Yang ◽  
Fanyue Sun ◽  
Zhi Yang ◽  
Hongjun Li

Calanus sinicusBrodsky (Copepoda, Crustacea) is a dominant zooplanktonic species widely distributed in the margin seas of the Northwest Pacific Ocean. In this study, we utilized an RNA-Seq-based approach to develop molecular resources forC. sinicus. Adult samples were sequenced using the Illumina HiSeq 2000 platform. The sequencing data generated 69,751 contigs from 58.9 million filtered reads. The assembled contigs had an average length of 928.8 bp. Gene annotation allowed the identification of 43,417 unigene hits against the NCBI database. Gene ontology (GO) and KEGG pathway mapping analysis revealed various functional genes related to diverse biological functions and processes. Transcripts potentially involved in stress response and lipid metabolism were identified among these genes. Furthermore, 4,871 microsatellites and 110,137 single nucleotide polymorphisms (SNPs) were identified in theC. sinicustranscriptome sequences. SNP validation by the melting temperature (Tm)-shift method suggested that 16 primer pairs amplified target products and showed biallelic polymorphism among 30 individuals. The present work demonstrates the power of Illumina-based RNA-Seq for the rapid development of molecular resources in nonmodel species. The validated SNP set from our study is currently being utilized in an ongoing ecological analysis to support a future study ofC. sinicuspopulation genetics.


2013 ◽  
Vol 15 (6) ◽  
pp. 647-658 ◽  
Author(s):  
David B. Jones ◽  
Dean R. Jerry ◽  
Sylvain Forêt ◽  
Dmitry A. Konovalov ◽  
Kyall R. Zenger

2005 ◽  
Vol 8 (4) ◽  
pp. 353-361 ◽  
Author(s):  
Zhen Zhen Zhao ◽  
Dale R. Nyholt ◽  
Michael R. James ◽  
Renee Mayne ◽  
Susan A. Treloar ◽  
...  

AbstractGenotyping in DNA pools reduces the cost and the time required to complete large genotyping projects. The aim of the present study was to evaluate pooling as part of a strategy for fine mapping in regions of significant linkage. Thirty-nine single nucleotide polymorphisms (SNPs) were analyzed in two genomic DNA pools of 384 individuals each and results compared with data after typing all individuals used in the pools. There were no significant differences using data from either 2 or 8 heterozygous individuals to correct frequency estimates for unequal allelic amplification. After correction, the mean difference between estimates from the genomic pool and individual allele frequencies was .033. A major limitation of the use of DNA pools is the time and effort required to carefully adjust the concentration of each individual DNA sample before mixing aliquots. Pools were also constructed by combining DNA after Multiple Displacement Amplification (MDA). The MDA pools gave similar results to pools constructed after careful DNA quantitation (mean difference from individual genotyping .040) and MDA provides a rapid method to generate pools suitable for some applications. Pools provide a rapid and cost-effective screen to eliminate SNPs that are not polymorphic in a test population and can detect minor allele frequencies as low as 1% in the pooled samples. With current levels of accuracy, pooling is best suited to an initial screen in the SNP validation process that can provide high-throughput comparisons between cases and controls to priori- tize SNPs for subsequent individual genotyping.


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