Walter Devaa, Vimal Panneerselvam, Ramesh Uthandakalaipandian
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Estimation of genetic diversity of the exotic Indian trout populations by using microsatellite markers
Rainbow trout (Oncorhynchus mykiss) and brown trout (Salmo trutta fario) are popular salmonid species that are reared for sport and recreational activities worldwide. In India, they were introduced and successfully established in the late 19th and early 20th centuries by the European settlers. However, until now, no studies have analysed the genetic integrity of wild trout populations in India. Therefore, this study aimed to analyse the genetic integrity of the wild rainbow trout populations from south India, one wild rainbow trout population from north India, and one wild brown trout population from north India. Genetic diversity studies revealed low genetic diversity in all the population with genetic bottlenecks in two trout populations from south India and disruption of alleles in the populations from north India. The results showed that the south Indian trout populations are in a comparatively poor condition than the north Indian trout populations, and stocking efforts have recently been carried out to enhance the genetic diversity of south Indian trout populations.
期刊介绍：
The journal retains its traditional interest in evolutionary research that is of relevance to geneticists, even if this is not explicitly genetical in nature. The journal covers all areas of genetics and evolution,including molecular genetics and molecular evolution.It publishes papers and review articles on current topics, commentaries and essayson ideas and trends in genetics and evolutionary biology, historical developments, debates and book reviews. From 2010 onwards, the journal has published a special category of papers termed ‘Online Resources’. These are brief reports on the development and the routine use of molecular markers for assessing genetic variability within and among species. Also published are reports outlining pedagogical approaches in genetics teaching.
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