Genetic mapping of vocalization to a series of increasing acute footshocks using B6.A consomic and B6.D2 congenic mouse strains.
Chromosome-Mapping, Electroshock, Mice-Inbred-A, Mice-Inbred-C57BL, Mice-Inbred-Strains, Sensory-Thresholds, Species-Specificity, Vocalization-Animal
see Reprint collection (a pdf is available)
Behav Genet 2008 Jul; 38(4):417-23.
Footshock response is used to study a variety of biological functions in mammals including drug self-administration, learning and memory and nociception. However, the genetics underlying variability in footshock sensitivity are not well understood. In the current studies, a panel of B6.A consomic mouse strains, two B6.D2 genome-tagged mouse lines, and the progenitor strains were screened for footshock sensitivity as measured by audible vocalization. It was found that A/J (A) mice and C57BL/6J (B6) mice with an A Chromosome 1 (Chr 1) were less sensitive to footshock compared to B6 animals. Furthermore, the offspring of Chr 1 consomic mice crossed with B6 mice had vocalization levels that were intermediate to A/J and B6 animals. A F2 mapping panel revealed two significant QTLs for footshock vocalization centered around D1Mit490 and D1Mit206 on Chr 1. The role of these Chr 1 loci in footshock sensitivity was confirmed in B6.D2 genome-tagged mouse lines.
Matthews, D B.; Chesler, E J.; Cook, M N.; Cockroft, J; Philip, V M.; and Goldowitz, D, "Genetic mapping of vocalization to a series of increasing acute footshocks using B6.A consomic and B6.D2 congenic mouse strains." (2008). Faculty Research 2000 - 2009. 1903.
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