REGULATION OF GENE EXPRESSION BY NUTRITIONAL FACTORS IN FISH

摘要

Understanding biochemical and metabolic pathways involved in the utilisation of dietary nutrients and energy supplied through feeds is useful for evaluating the response of organisms to nutrients, for optimising dietary nutrient utilisation and for diet development. Molecular tools enable us to get deeper insight on how the response is mediated through the intermediate metabolic steps involved at different levels of the organism. They thus complement basic husbandry techniques which continue to provethemselves as valuable tools for assessing the response at the whole animal or farm level. Some examples will be given from research on nutrition and gene expression, and more lately on nutrigenomics and proteomics as applied to fish nutrition and feeding.