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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004222naa a2200553 4500
001oai:DiVA.org:uu-135718
003SwePub
008101208s2010 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1357182 URI
024a https://doi.org/10.1093/bfgp/elq0022 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Bellone, Rebecca R4 aut
2451 0a Fine-mapping and mutation analysis of TRPM1 :b a candidate gene for leopard complex (LP) spotting and congenital stationary night blindness in horses
264 c 2010-03-29
264 1b Oxford University Press (OUP),c 2010
338 a print2 rdacarrier
520 a Leopard Complex spotting occurs in several breeds of horses and is caused by an incompletely dominant allele (LP). Homozygosity for LP is also associated with congenital stationary night blindness (CSNB) in Appaloosa horses. Previously, LP was mapped to a 6 cm region on ECA1 containing the candidate gene TRPM1 (Transient Receptor Potential Cation Channel, Subfamily M, Member 1) and decreased expression of this gene, measured by qRT-PCR, was identified as the likely cause of both spotting and ocular phenotypes. This study describes investigations for a mutation causing or associated with the Leopard Complex and CSNB phenotype in horses. Re-sequencing of the gene and associated splice sites within the 105 624 bp genomic region of TRPM1 led to the discovery of 18 SNPs. Most of the SNPs did not have a predictive value for the presence of LP. However, one SNP (ECA1:108,249,293 C>T) found within intron 11 had a strong (P < 0.0005), but not complete, association with LP and CSNB and thus is a good marker but unlikely to be causative. To further localize the association, 70 SNPs spanning over two Mb including the TRPM1 gene were genotyped in 192 horses from three different breeds segregating for LP. A single 173 kb haplotype associated with LP and CSNB (ECA1: 108,197,355- 108,370,150) was identified. Illumina sequencing of 300 kb surrounding this haplotype revealed 57 SNP variants. Based on their localization within expressed sequences or regions of high sequence conservation across mammals, six of these SNPs were considered to be the most likely candidate mutations. While the precise function of TRPM1 remains to be elucidated, this work solidifies its functional role in both pigmentation and night vision. Further, this work has identified several potential regulatory elements of the TRPM1 gene that should be investigated further in this and other species.
650 7a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
653 a Leopard Complex spotting
653 a congenital stationary night blindness
653 a Transient Receptor Potential Cation Channel
653 a Subfamily M
653 a Member 1
653 a fine mapping
653 a Illumina DNA sequencing
653 a Biology
653 a Biologi
700a Forsyth, George4 aut
700a Leeb, Tosso4 aut
700a Archer, Sheila4 aut
700a Sigurdsson, Snaevar4 aut
700a Imsland, Freyjau Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi4 aut0 (Swepub:uu)freim763
700a Mauceli, Evan4 aut
700a Engensteiner, Martina4 aut
700a Bailey, Ernest4 aut
700a Sandmeyer, Lynne4 aut
700a Grahn, Bruce4 aut
700a Lindblad-Toh, Kerstinu Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi4 aut0 (Swepub:uu)kerli865
700a Wade, Claire M4 aut
710a Uppsala universitetb Institutionen för medicinsk biokemi och mikrobiologi4 org
773t Briefings in Functional Genomics & Proteomicsd : Oxford University Press (OUP)g 9:3, s. 193-207q 9:3<193-207x 1473-9550x 1477-4062x 2041-2649x 2041-2657
856u https://academic.oup.com/bfg/article-pdf/9/3/193/540783/elq002.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-135718
8564 8u https://doi.org/10.1093/bfgp/elq002

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