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Batch cultivation for transgenic kelp gametophyte cells was investigated in an online controlled 5L stirred-tank photo-bioreactor to rapidly optimize the process conditions by monitoring the rate of increase of pH. The transgenic kelp gametophytes with heterologous gene encoding hepatitis B surface antigen (HBsAg) could rapidly grow in the bioreactor. Optimal temperature and agitation rate for bioreactor...
Progress has been made in establishing a genetic transformation model for Laminaria japonica (Phaeophyta, Laminariales). The model includes introduction of foreign genes by biolistic bombardment, use of promoter SV40 to drive gene expression, algal regeneration by parthenogenesis and selection by chloramphenicol or hygromycin.
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