RRC ID 3362
Author Yamamoto K, Narukawa J, Kadono-Okuda K, Nohata J, Sasanuma M, Suetsugu Y, Banno Y, Fujii H, Goldsmith MR, Mita K.
Title Construction of a single nucleotide polymorphism linkage map for the silkworm, Bombyx mori, based on bacterial artificial chromosome end sequences.
Journal Genetics
Abstract We have developed a linkage map for the silkworm Bombyx mori based on single nucleotide polymorphisms (SNPs) between strains p50T and C108T initially found on regions corresponding to the end sequences of bacterial artificial chromosome (BAC) clones. Using 190 segregants from a backcross of a p50T female x an F1 (p50T x C108T) male, we analyzed segregation patterns of 534 SNPs between p50T and C108T, detected among 3840 PCR amplicons, each associated with a p50T BAC end sequence. This enabled us to construct a linkage map composed of 534 SNP markers spanning 1305 cM in total length distributed over the expected 28 linkage groups. Of the 534 BACs whose ends harbored the SNPs used to construct the linkage map, 89 were associated with 107 different ESTs. Since each of the SNP markers is directly linked to a specific genomic BAC clone and to whole-genome sequence data, and some of them are also linked to EST data, the SNP linkage map will be a powerful tool for investigating silkworm genome properties, mutation mapping, and map-based cloning of genes of industrial and agricultural interest.
Volume 173(1)
Pages 151-61
Published 2006-5
DOI 10.1534/genetics.105.053801
PII genetics.105.053801
PMID 16547112
PMC PMC1461436
MeSH Animals Base Sequence Bombyx / genetics* Chromosome Mapping* Chromosomes, Artificial, Bacterial / genetics* Expressed Sequence Tags Female Genetic Markers Male Polymorphism, Single Nucleotide / genetics*
IF 3.564
Times Cited 60
Silkworms p50