Biologia plantarum 58:788-791, 2014 | DOI: 10.1007/s10535-014-0456-z

The occurrence of dicotyledonar embryos in Agave tequilana

C. Ayala-González1, A. Gutiérrez-Mora1, B. Rodríguez-Garay1,*
1 Unidad de Biotecnología Vegetal, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Jalisco, México

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.

Keywords: zygotic embryo; monocotyledonous species; syncotyly
Subjects: dicotyledonar embryo; monocot species; germination
Species: Agave tequilana

Received: February 14, 2014; Revised: June 15, 2014; Accepted: July 7, 2014; Published: December 1, 2014Show citation

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Ayala-González, C., Gutiérrez-Mora, A., & Rodríguez-Garay, B. (2014). The occurrence of dicotyledonar embryos in Agave tequilana. Biologia plantarum, 58(4), 788-791. doi: 10.1007/s10535-014-0456-z.
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