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Croissance larvaire contrôlée de Penaeus japonicus Bate. Enzymes digestives et changements de régimes alimentaires ArchiMer
Laubier-bonichon, Annie; Van W0rmh0udt, Alain; Sellos, Daniel.
The larval and postlarval development of the shrimp Penaeus japoniaus has been stu­died on the basis of the evolution of nucleic acids, of proteinic compounds, and of digestive enzymes. Cell multiplication was assayed by tracing the evolution of the amount of desoxyribo­nucleic acid (DNA) ; this multiplication was found to be high during nauplius stages. Evolu­tion in time of ribonucleic acid (RNA) was compared with evolution of dry weight and proteins ; the amount of RNA rises considerably during stage zoe. Thus it is thought that during stages nauplius and mysis, cellular hyperplasy takes place, while cellular hypertrophy would aarac- terize stage zoe. The development of a new stock of digestive enzymes takes place during the zoe sta­ge. The variations...
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Ano: 1977 URL: http://archimer.ifremer.fr/doc/00305/41613/40822.pdf
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