Fecha de publicación: -- Fuente: WIPO "tomato" The present disclosure relates in part to Nannochloropsis microalgae that produce recombinant viruses. Expression cassettes, transgenes and methods for producing recombinant viruses in the Nannochloropsis are also provided. In particular, methods and materials are provided for producing recombinant adeno associated viruses (AAV) in Nannochloropsis. In some embodiments described herein, the Nannochloropsis is Nannochloropsis oceanica.