| QTL Map Information |
|---|
| Chromosome: | 15 |
| QTL Peak Location: | 38.31 (cM) |
| QTL Span: | 37.96-39.07 (cM)
29.4-30.3 (Mbp) |
 |
Upper, "Suggestive": | n/a |
| Upper, "Significant": | HEL1 |
| Peak: | BTA15 |
| Lower, "Significant": | BMS1782 |
| Lower, "Suggestive": | n/a |
| Marker type: | Microsatellites |
| Analysis type: | QTL |
| Model tested: | n/a |
| Test base: | n/a |
| Threshold significance level: | n/a |
 |
F_Stat | 22.8 | | VARIANCE | 0.0655 | | Dominance effect: | n/a |
| Additive effect: | n/a |
| Associated Gene: | ME3 (malic enzyme 3, NADP(+)-dependent, mitochondrial) |
| Cis/Trans acting type: |  |
| Links:
NCBI GeneDB | Edit |
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| Extended information: |
|---|
| (none) |
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| QTL Experiment in Brief |
|---|
| Animals: | Slaughter cattle (162 steers and 132 heifers) were produced from mating one Brahman/Hereford sire to Hereford, Angus, and crossbred cows (Hereford, Angus, Shorthorn, Charolais, Gelbvieh, Pinzgauer, Galloway, Longhorn, Nelore, Piedmontese, or Salers.) |
| Breeds associated:
n/a
|
| Design: | Six cores (1.27 cm diameter) were removed per steak for measurement of Warner-Bratzler shear force (WBS). Each core was sheared once using a universal testing machine equipped with a Warner-Bratzler attachment. |
| Analysis: | Quantitative trait loci were identified by a peak in the F-statistic profile obtained from regression of WBS2 and WBS14 on the probability of receiving the Brahman allele (Knott et al., 1996) computed at 1-cM intervals across autosomes. |
| Software: | |
| Notes: | |
| Links: | Edit |
| Reference |
|---|
| Authors: | J. W. Keele, S. D. Shackelford, S. M. Kappes, M. Koohmaraie, R. T. Stone |
| Affiliation: | USDA, ARS, Roman L. Hruska U.S. Meat Animal Research Center, Clay Center, NE |
| Title: | A Region on Bovine Chromosome 15 Influences Beef Longissimus Tenderness in Steers |
| Journal: | J Anim Sci, 1999, 77: 1364-1371 |
| Links: |
PubMed | Abstract | List all data
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