Tag Archives: evo-devo

Shoot apical meristem structure in oil palm

Shoot apical meristem structure in oil palm

Shoot apical meristem structure in oil palm

Oil palm (Elaeis guineensis) is an unbranched palm, possessing a single shoot apical meristem (SAM) that may remain active for more than 100 years. Through histological analysis and 3-D reconstructions, Jouannic et al. detail the SAM structural variations that occur during the oil palm life cycle, and find that development of the SAM is characterized by a juvenile-to-mature phase transition accompanied by establishment of a zonal pattern and modified shape. SAM zonation is dynamic during the plastochron period and displays distinct features compared with other monocots.

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Cabomba as a model basal angiosperm (Review)

Cabomba as a model basal angiosperm (Review)

Cabomba as a model basal angiosperm (Review)

Early-diverging angiosperms are important for studies of the origin and early evolution of the flower. Vialette-Guiraud et al. discuss the potential of the water lily Cabomba (Nymphaeales) as a model basal angiosperm, as it combines simplicity of floral structure, numerous pleisiomorphic angiosperm characters, and practical features that make it amenable to study using a broad range of molecular biological techniques. They also provide protocols for the growth and molecular analysis of Cabomba, a Cabomba flower EST database, and a genome size measurement of C. caroliniana.

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