Somatic embryogenesis of the banana hybrid cultivar FHIA-18 (AAAB) in liquid medium and scaled-up in a bioreactor |
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Authors: | Gómez Kosky Rafael de Feria Silva Manuel Posada Pérez Laisyn Gilliard Terrence Bernal Martínez Francisco Reyes Vega Maritza Chávez Milian Maité Quiala Mendoza Elisa |
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Institution: | (1) Instituto de Biotecnología de las Plantas, Universidad Central de Las Villas, Carretera a Camajuaní km 5.5, Santa Clara, Villa Clara, Cuba, CP 54830;(2) Ministry of Agriculture, St. Lucia;(3) Universidad de Guadalajara, México |
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Abstract: | The development of somatic embryos in liquid culture medium has a number of advantages for large-scale propagation of plants. This paper describes an improved system for the mass propagation via somatic embryogenesis of the banana hybrid cultivar FHIA-18 (AAAB). Explants from immature male flowers were used to form high frequency embryogenic tissue, this tissue was then used to establish embryogenic cell suspensions in a basic MS medium plus 1.0 mg l–1 biotin, 100 mg l–1 glutamine, 100 mg l–1 malt extract (Sigma), 1.0 mg l–1 2,4-D and 45 g l–1 sucrose. Secondary multiplication of somatic embryos was achieved in liquid media in rotary shaker and in bioreactors. The number of embryos per litre obtained with 80.0% DO2 and effects of pH were also studied. A high regeneration percentage of plants were obtained (89.3%) in only 1 month of culture, somatic embryos were then placed to germinate in temporary immersion systems and field testing of somaclonal variation. |
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Keywords: | bioreactors cell density dissolved oxygen Musa pH somatic embryos |
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