The occurrence of dicotyledonar embryos in Agave tequilana |
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Authors: | C. Ayala-González A. Gutiérrez-Mora B. Rodríguez-Garay |
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Affiliation: | 1. Unidad de Biotecnología Vegetal, Centro de Investigación y Asistencia en Tecnología y Dise?o del Estado de Jalisco, Av. Normalistas No. 800, Col. Colinas de la Normal, Guadalajara, Jalisco, 44270, México
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Abstract: | Agave tequilana Weber is a monocot plant species member of the Asparagaceae family. One of the characteristics of monocot species is that their embryos show only one cotyledon. In this work, the occurrence of embryos with two cotyledons and fused cotyledons in A. tequilana is reported for the first time. The occurrence of dicotyledonar embryos in a species that by definition should have only one cotyledon could bring an opportunity to elucidate the mechanisms that have given the origin to the only one cotyledon present in monocots. Syncotyly is considered in this work as the possible mechanism that gave rise to the only cotyledon mostly present in this species. |
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