Research Topics
Species | Roy G DanzmannSummaryAffiliation: University of Guelph Country: Canada Publications
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Detail Information
Publications
Comparative mapping of expressed sequence tags containing microsatellites in rainbow trout (Oncorhynchus mykiss)Caird E Rexroad
USDA ARS National Center for Cool and Cold Water Aquaculture, Kearneysville, West Virginia 25430, USA
BMC Genomics 6:54. 2005..The development of microsatellite markers from expressed sequence tags will serve to increase marker densities on current salmonid genetic maps and initiate in silico comparative maps with species whose genomes have been fully sequenced...
Assignment of Atlantic salmon (Salmo salar) linkage groups to specific chromosomes: conservation of large syntenic blocks corresponding to whole chromosome arms in rainbow trout (Oncorhynchus mykiss)Ruth B Phillips
Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
BMC Genet 10:46. 2009..The purpose of this study was to integrate the Atlantic salmon's linkage map and karyotype and to compare the chromosome map with that of rainbow trout...
Growth-related quantitative trait loci in domestic and wild rainbow trout (Oncorhynchus mykiss)Brendan F Wringe
Department of Integrative Biology, 50 Stone Road East, University of Guelph, Guelph, ON N1G 2W1 Canada
BMC Genet 11:63. 2010....
Gene mapping in fishes: a means to an endR G Danzmann
Department of Zoology, University of Guelph, Ontario, Canada
Genetica 111:3-23. 2001..Observations of this type are the antecedents to more complex biological investigations on the genetic architecture underlying these phenomena...
A comparative analysis of the rainbow trout genome with 2 other species of fish (Arctic charr and Atlantic salmon) within the tetraploid derivative Salmonidae family (subfamily: Salmoninae)Roy G Danzmann
Department of Integrative Biology, University of Guelph, ON, Canada
Genome 48:1037-51. 2005..We also report unusual meiotic segregation patterns in a female parent involving the duplicated (homeologous) linkage group pair 12/16 and discuss several models that may account for these patterns...
Distribution of ancestral proto-Actinopterygian chromosome arms within the genomes of 4R-derivative salmonid fishes (Rainbow trout and Atlantic salmon)Roy G Danzmann
Department of Integrative Biology, University of Guelph, Guelph, ON, Canada
BMC Genomics 9:557. 2008..We describe the organization of the 4R chromosomal segments of the proto-ray-finned fish karyotype in Atlantic salmon and rainbow trout based upon their comparative syntenies with two model species of 3R ray-finned fishes...
Clock genes and their genomic distributions in three species of salmonid fishes: Associations with genes regulating sexual maturation and cell cyclingMarion I Paibomesai
Department of Integrative Biology, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
BMC Res Notes 3:215. 2010....
Genomic arrangement of salinity tolerance QTLs in salmonids: a comparative analysis of Atlantic salmon (Salmo salar) with Arctic charr (Salvelinus alpinus) and rainbow trout (Oncorhynchus mykiss)Joseph D Norman
Department of Integrative Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
BMC Genomics 13:420. 2012....
Comparative genomics and evolution of conserved noncoding elements (CNE) in rainbow troutHooman K Moghadam
Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
BMC Genomics 10:278. 2009..To test this hypothesis, we investigated the chromosomal positions of subset of CNE in the rainbow trout genome using a comparative genomic framework...
Comparative genome analysis of the primary sex-determining locus in salmonid fishesRachael A Woram
Department of Zoology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
Genome Res 13:272-80. 2003..Three hypotheses are proposed to account for the relocation: translocation of a small chromosome arm; transposition of the sex-determining gene; or differential activation of a primary sex-determining gene region among the species...
Determination of quantitative trait loci (QTL) for early maturation in rainbow trout (Oncorhynchus mykiss)Lisa Haidle
Department of Integrative Biology, University of Guelph, Guelph, ON, Canada, N1G 2W1
Mar Biotechnol (NY) 10:579-92. 2008..Within the QTL regions identified, a comparison of syntenic EST markers from the rainbow trout linkage map with the zebrafish (Danio rerio) genome identified several putative candidate genes that may influence EM...
Quantitative trait loci for body weight, condition factor and age at sexual maturation in Arctic charr (Salvelinus alpinus): comparative analysis with rainbow trout (Oncorhynchus mykiss) and Atlantic salmon (Salmo salar)Hooman K Moghadam
Department of Integrative Biology, University of Guelph, Guelph, ON, Canada N1G 2W1
Mol Genet Genomics 277:647-61. 2007..Significant MT QTL detected on AC-23, -24, and -27 were autonomous of any BW QTL regions, suggesting that the regulation of MT may be more independent of BW control within this species than in other species of salmonids...
The genetic basis of salinity tolerance traits in Arctic charr (Salvelinus alpinus)Joseph D Norman
Department of Integrative Biology, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
BMC Genet 12:81. 2011..Comparative genomics approaches allowed us to infer whether allelic variation at candidate gene loci (e.g., ATP1α1b, NKCC1, CFTR, and cldn10e) could have underlain observed variation...
Genome evolution in the fish family salmonidae: generation of a brook charr genetic map and comparisons among charrs (Arctic charr and brook charr) with rainbow troutEvan R Timusk
Department of Integrative Biology, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
BMC Genet 12:68. 2011..The formation of quadrivalents during meiosis leads to pseudolinkage. This phenomenon is more prevalent within 5 of the 12 ancestral teleost linkage groups in salmonids...
Evidence for Hox gene duplication in rainbow trout (Oncorhynchus mykiss): a tetraploid model speciesHooman K Moghadam
Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
J Mol Evol 61:804-18. 2005..e., RT-3/16, RT-12/29) and three previously described homeologies (RT-2/9, RT-17/22, and RT-27/31) in rainbow trout...
Genetic architecture of body weight, condition factor and age of sexual maturation in Icelandic Arctic charr (Salvelinus alpinus)Eva Küttner
Department of Integrative Biology, University of Guelph, Guelph, ON, N1G 2W1, Canada
Mol Genet Genomics 286:67-79. 2011....
Characterization of Na, K-ATPase genes in Atlantic salmon (Salmo salar) and comparative genomic organization with rainbow trout (Oncorhynchus mykiss)Karim Gharbi
Department of Integrative Biology, University of Guelph, Guelph, ON, N1G 2W1 Canada
Mol Genet Genomics 273:474-83. 2005..In addition, the comparison of linkage arrangements with rainbow trout also showed that the genomic organization of Na, K-ATPase genes is consistent with the evolutionary conservation of syntenic chromosome regions between these species...
Evolution of Hox clusters in Salmonidae: a comparative analysis between Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss)Hooman K Moghadam
Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
J Mol Evol 61:636-49. 2005..However, our data suggest that phylogenetically, the homologous genes within each cluster express mosaic relationships among the teleosts tested and, thus, leave unresolved the interfamilial relationships among these taxa...
A genetic linkage map for Arctic char (Salvelinus alpinus): evidence for higher recombination rates and segregation distortion in hybrid versus pure strain mapping parentsR A Woram
Department of Zoology, University of Guelph, ON, Canada
Genome 47:304-15. 2004..In family 2, almost all cases showing segregation distortion involved markers in the female hybrid parent...
Sex chromosome polymorphisms in Arctic charr and their evolutionary originsEva Küttner
Department of Integrative Biology, University of Guelph, ON, Canada
Genome 54:852-61. 2011..We also relate the variable sex-determining regions in salmonids to their ancestral proto-teleost karyotypic origins and compare these findings with what has been observed in other teleost species in general...
Distribution of temperature tolerance quantitative trait loci in Arctic charr (Salvelinus alpinus) and inferred homologies in rainbow trout (Oncorhynchus mykiss)Ildiko M L Somorjai
Department of Zoology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
Genetics 165:1443-56. 2003..This study represents one of the first examples of comparative QTL mapping in an animal polyploid group and illustrates the fate of QTL after genome duplication and reorganization...
Quantitative trait loci for upper thermal tolerance in outbred strains of rainbow trout (Oncorhynchus mykiss)G M Perry
Department of Zoology, University of Guelph, Guelph, ON, Canada N1G 2W1
Heredity (Edinb) 86:333-41. 2001..These results indicate the effects of a QTL on a fitness-related trait in unselected populations of rainbow trout...
The candidate gene, Clock, localizes to a strong spawning time quantitative trait locus region in rainbow troutE H Leder
Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
J Hered 97:74-80. 2006..The Clock gene mapped to this region. Period1 mapped to a region in the female parent associated with a marginal effect (P = .056) on spawn timing. Other candidate genes were not associated with significant QTL effects...
Effects of genetic sex and genomic background on epistasis in rainbow trout (Oncorhynchus mykiss)G M L Perry
Department of Zoology, University of Guelph, Guelph, Ont, Canada N1G 2W1
Genetica 119:35-50. 2003..0856+). There was no evidence that these effects were more pronounced in hybrid F1 families than purestrains...
Quantitative trait loci for spawning date and body weight in rainbow trout: testing for conserved effects across ancestrally duplicated chromosomesT Sakamoto
Department of Zoology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
J Hered 94:273-84. 2003..Two of the four spawning date QTLs were detected on linkage groups with unknown homeologous relationships. QTLs with possible pleiotropic effects on both spawning date and body size were localized to two linkage groups...
Population genetic structure of Arctic charr, Salvelinus alpinus from northwest Europe on large and small spatial scalesA J Wilson
Department of Zoology, University of Guelph, Guelph, Ontario, Canada
Mol Ecol 13:1129-42. 2004....
Linkage arrangement of Na,K-ATPase genes in the tetraploid-derived genome of the rainbow trout (Oncorhynchus mykiss)K Gharbi
Department of Zoology, University of Guelph, Guelph, ON, N1G 2W1, Canada
Anim Genet 35:321-5. 2004..The detection of homeologs within each gene family also raises the possibility that novel isoforms may be discovered as functional duplicates...
Comparison of GNRH3 genes across salmonid generaE H Leder
Zoology Department, University of Guelph, Guelph, Ontario, Canada
Anim Genet 35:126-9. 2004..GNRH3B maps to linkage group 6 in rainbow trout, linkage group 16 in Atlantic salmon and linkage group 25 in Arctic charr. GNRH3A mapped to linkage group 30 in rainbow trout...
QTL for body weight and condition factor in Atlantic salmon (Salmo salar): comparative analysis with rainbow trout (Oncorhynchus mykiss) and Arctic charr (Salvelinus alpinus)D P Reid
Department of Zoology, University of Guelph, Guelph, Ontario, Canada
Heredity 94:166-72. 2005..Three of the QTL for BW occur on linkage groups where similar effects have been detected on the homologous regions in either rainbow trout (Oncorhynchus mykiss) or Arctic charr (Salvelinus alpinus)...
Genome organization of glutamine synthetase genes in rainbow trout (Oncorhynchus mykiss)K Gharbi
Department of Integrative Biology, University of Guelph, Guelph, Canada
Cytogenet Genome Res 116:113-5. 2007..In contrast, there is at present no further evidence that RT-24 and RT-08 share ancestrally homologous segments and additional genomic studies will be needed to clarify the evolutionary origin of genes coding for GS01 and GS03...
Genomic organization of the IGF1, IGF2, MYF5, MYF6 and GRF/PACAP genes across Salmoninae generaH K Moghadam
Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
Anim Genet 38:527-32. 2007..These results might also be an indication of a more ancient polyploidization event that occurred deep in the ray-finned fish lineage...
Ten polymorphic microsatellite markers from Arctic charr (Salvelinus alpinus): linkage analysis and amplification in other salmonidsC R McGowan
Department of Molecular Biology and Biochemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Anim Genet 35:479-81. 2004
Sex-linked quantitative trait loci for thermotolerance and length in the rainbow troutG M L Perry
Departement de Biologie, Universite Laval, Ste Foy, Quebec G1K 7P4, Canada
J Hered 96:97-107. 2005..Our findings illustrate minor evidence that correlation between UTT and FL is partially determined by one or more sex-chromosomal QTL...
Characterization and comparison of microsatellites derived from repeat-enriched libraries and expressed sequence tagsI Coulibaly
Animal and Veterinary Sciences Division, West Virginia University, PO Box 6108, Morgantown, WV 26506, USA
Anim Genet 36:309-15. 2005..In total, 428 microsatellite markers were developed in this study for mapping and population genetic studies in rainbow trout...
Mapping of genes in a region associated with upper temperature tolerance in rainbow troutI Coulibaly
Animal and Veterinary Sciences Division, West Virginia University, PO Box 6108, Morgantown, WV 26506, USA
Anim Genet 37:598-9. 2006
Characterization and mapping of 19 polymorphic microsatellite markers for rainbow trout (Oncorhynchus mykiss)Y Palti
National Center for Cool and Cold Water Aquaculture, USDA-ARS, 11876 Leetown Road, Kearneysville, WV 25430, USA
Anim Genet 34:153-6. 2003
A consolidated linkage map for rainbow trout (Oncorhynchus mykiss)K M Nichols
School of Biological Sciences, Washington State University, Pullman, WA, USA
Anim Genet 34:102-15. 2003..Putative homeologous relationships among linkage groups, resulting from the autotetraploid nature of the salmonid genome, have been revealed based on the placement of duplicated microsatellites and type I loci...
Identification of the sex-determining locus of Atlantic salmon (Salmo salar) on chromosome 2C G Artieri
Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
Cytogenet Genome Res 112:152-9. 2006....
