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Ultrastructure of the digestive gland of larval and adult stages of the sacoglossan Elysia patagonica |
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| Authors: | C. Muniain A. Marín P. Penchaszadeh |
| Affiliation: | CONICET, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Avda. Angel Gallardo 470, C1405DJR Buenos Aires, Argentina, Departamento de Ecología e Hidrobiología, Facultad de Biología, Universidad de Murcia, Murcia, Spain, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina, |
| Abstract: | Chloroplast retention in the sacoglossan gastropod Elysia patagonica Muniain and Ortea, 1997 was investigated. Intact chloroplasts of the green algae Bryopsis plumosa (Chlorophyta: Bryopsidacea) were observed by transmission electron microscopy in vacuoles of the digestive cells of benthic adults starved for 20 days. Intact chloroplasts from the microalgal Nannochloropsis sp. (Heterokontophyta: Eustigmatophycea) were found in the digestive cells of veliger larvae feeding for 8 days. Similar digestive cells were observed in adults and planktonic larvae of E. patagonica. The retention ability is confirmed in both stages. |
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