Production of lysine by using immobilized livingCorynebacterium sp cells |
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Authors: | Moncef Nasri Abdelhafidh Dhouib Fathi Zorguani Habib Kriaa Radouan Ellouz |
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Affiliation: | (1) Centre de Biotechnologie de Sfax, Route de Soukkra Km 4, BP W3038, Sfax-Tunisie |
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Abstract: | Summary Lysine production by immobilizedCorynebacterium sp cells in alginate gel beads was investigated in flasks. ImmobilizedCorynebacterium sp cells exhibited a slightly greater lysine production than free cells and accumulated 60 g/l of L-lysine at maximum, when cultured for 120h in a medium containing 200g/l glucose as carbon source. Several factors, such as inoculum size, incubation time and alginate gel concentration were examined in order to improve lysine production by immobilized growing cells. |
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