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Despite very extensive studies related to molecular processes underlying memory formation, still little known about the potential differences in the brain biochemistry between "good" and "poor" learners belonging to a random population of young animals. In the present study, an attempt was taken to correlate the individual variation in short- and long-term spatial memory in three different lines of young, healthy rats: inbred Wistar (W), outcrossed Wistar/Spraque Dawley (W/S) and pigmented Long-Evans rats, with hippocampal levels of selected enzymes known as "memory molecules" including...

Kangal dogs are the most popular dogs of Turkey due to their strength, intelligence and loyalty. They are physically distinguished by having an invariably black mask on a massive head and short, dense hair ranging in colour from dun to steel grey. On the other hand, Akbash dogs are pure white dogs of Western Anatolia. Recently, there has been much controversy about the origin of Kangal dogs. The most commonly used marker for determining the history of populations within a species is the sequence analysis of mitochondrial DNA (mtDNA). In this work, to provide genetic information about the...