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Abstract:

Mature seeds of Salix alba L. and Salix matsudana Koidz. are exendospermous and consist of an embryo and a seed coat. Ultrastructural studies show the presence of protein bodies, lipid bodies, chloroplasts, and a nucleus in the cells of most of the embryo tissues. Protein bodies always contain two or more globoid crystals. Energy-dispersive X-ray analysis of globoid crystals revealed the presence of P, K, Mg and Ca as the main constituents in all tissues. The chloroplasts present well-developed grana and, frequently, starch grains in the stroma. In cells of apical meristems, plastid endomembranes are non-organised in grana and deposits of phytoferritin are present in the stroma. Some cells of the subdermal layers of the cotyledons and hypocotylradicle axis present a large central vacuole and a narrow peripheral band of cytoplasm within which the protein bodies are scarce. Seeds of the two species studied here have recently been characterised as orthodox with short viability. The present study was carried out in an attempt to advance in the characterisation of these seeds as part of a comprehensive study of Salicaceae seeds.

Registro:

Documento: Artículo
Título:Histochemical and ultrastructural studies on Salix alba and S. matsudana seeds
Autor:Maroder, H.; Prego, I.; Maldonado, S.
Filiación:Inst. de Recursos Biológicos, Las Cabañas y Los Reseros s/n, 1712, Castelar, Argentina
Depto. de Ciencias Biológicas, Fac. de Ciencias Exactas y Naturales, Pabellón 2, Ciudad Universitaria, 1428, Buenos Aires, Argentina
Palabras clave:Chloroplast; Globoid crystal; Lipid body; Phytoferritin; Protein body; Energy dispersive spectroscopy; Forestry; Grain (agricultural product); Histology; Lipids; Plant cell culture; Proteins; Starch; Tissue culture; Chloroplasts; Seed; Salicaceae; Salix; Salix alba; Salix matsudana
Año:2003
Volumen:17
Número:3
Página de inicio:193
Página de fin:199
Título revista:Trees - Structure and Function
Título revista abreviado:Trees Struct. Funct.
ISSN:09311890
CODEN:TRESE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09311890_v17_n3_p193_Maroder

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Citas:

---------- APA ----------
Maroder, H., Prego, I. & Maldonado, S. (2003) . Histochemical and ultrastructural studies on Salix alba and S. matsudana seeds. Trees - Structure and Function, 17(3), 193-199.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09311890_v17_n3_p193_Maroder [ ]
---------- CHICAGO ----------
Maroder, H., Prego, I., Maldonado, S. "Histochemical and ultrastructural studies on Salix alba and S. matsudana seeds" . Trees - Structure and Function 17, no. 3 (2003) : 193-199.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09311890_v17_n3_p193_Maroder [ ]
---------- MLA ----------
Maroder, H., Prego, I., Maldonado, S. "Histochemical and ultrastructural studies on Salix alba and S. matsudana seeds" . Trees - Structure and Function, vol. 17, no. 3, 2003, pp. 193-199.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09311890_v17_n3_p193_Maroder [ ]
---------- VANCOUVER ----------
Maroder, H., Prego, I., Maldonado, S. Histochemical and ultrastructural studies on Salix alba and S. matsudana seeds. Trees Struct. Funct. 2003;17(3):193-199.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09311890_v17_n3_p193_Maroder [ ]