Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/70990
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dc.contributor.authorAbdolmohammadi, A.en
dc.contributor.authorAtashi, H.en
dc.contributor.authorZamani, P.en
dc.contributor.authorBottema, C.en
dc.date.issued2011en
dc.identifier.citationCzech Journal of Animal Science, 2011; 56(8):370-376en
dc.identifier.issn1212-1819en
dc.identifier.issn1805-9309en
dc.identifier.urihttp://hdl.handle.net/2440/70990-
dc.description.abstractPCR-RFLP analysis is a common method for genotyping the DGAT1 K232A polymorphism in cattle. Our purpose was to develop a high resolution melting (HRM) assay in order to genotype the polymorphic alleles. Firstly, the PCR-RFLP method was used and the 411 bp products including the DGAT1 polymorphism were digested by CfrI enzyme. Direct sequencing was performed to confirm genotypes of the K232A polymorphism for 30 samples that presented different PCR-RFLP patterns. It was determined according to sequencing results that partial enzyme digestion had occurred for some samples. A 130 bp fragment including the polymorphism was amplified for real time PCR. Then, the HRM analysis was carried out using two fluorescent dyes, SYBR Green I and EvaGreenTM. Although the HRM genotyping using SYBR Green I was contradicted by the sequencing results, three correct melting curves were obtained for the K232A polymorphism when EvaGreenTM was used. There were no false genotypes and all genotypes were in agreement with their sequencing results. The difference in the Tm between the two homozygous groups was about 0.5°C and the AA genotypes showed a higher Tm than the KK genotypes. The heterozygous genotypes showed a different pattern. Similar results were obtained from different concentrations of EvaGreenTM in the reactions. All 206 DNA samples were genotyped using this fluorescent dye with estimated allele frequencies of 0.66 and 0.34 for the A and K alleles, respectively. Our study showed that HRM analysis will be applicable for genotyping the DGAT1 K232A polymorphism in large populations of dairy cattle.en
dc.description.statementofresponsibilityA. Abdolmohammadi, H. Atashi, P. Zamani and C. Bottemaen
dc.language.isoenen
dc.publisherInst Agricultural Food Informationen
dc.rights© 2011 Czech Academy of Agricultural Sciencesen
dc.subjectHRM analysis; PCR-RFLP; K232A polymorphismen
dc.titleHigh resolution melting as an alternative method to genotype diacylglycerol O-acyltransferase 1 (DGAT1) K232A polymorphism in cattleen
dc.typeJournal articleen
dc.identifier.rmid0020112963en
dc.identifier.doi10.17221/2393-CJASen
dc.identifier.pubid27617-
pubs.library.collectionAnimal and Veterinary Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidBottema, C. [0000-0001-6245-0099]en
Appears in Collections:Animal and Veterinary Sciences publications

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