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Abstract:

The chemical composition of the sporophyte cell wall of Adenocystis utricularis was examined by using a number of histochemical techniques for the localization of polysaccharides, including labeling with a fluorescent alginate probe. Histochemical staining allowed confirmation of a low alginate/fucoidan ratio in the cell wall indicated by exhaustive extraction of polysaccharides from the algal thalli. Alginate was located in the inner portion of cell walls. "Egg-box" structure of alginate in inner cortical cells may be related to the mechanism of algal growth. Abundance of fucoidan was confirmed by extraction on semithin sections and staining. Weak staining on nonextracted material was in agreement with previously proposed blockage of sulfate groups in these polysaccharides.

Registro:

Documento: Artículo
Título:Polysaccharide localization in the sporophyte cell wall of Adenocystis utricularis (Ectocarpales s.l., Phaeophyceae)
Autor:Ponce, N.M.A.; Leonardi, P.I.; Flores, M.L.; Stortz, C.A.; Rodríguez, M.C.
Filiación:Dpto. de Química Orgánica, Facultad de Ciencias Exactas Y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Farmacognosia, Facultad de Ciencias Naturales-CRIDECIT, Universidad Nacional de la Patagonia San Juan Bosco, Km 4, 9000 Comodoro Rivadavia, Argentina
Laboratorio de Ficología Y Micología, Dpto. de Biología, Bioquímica Y Farmacia, CERZOS-CONICET, San Juan 670, 8000 Bahía Blanca, Argentina
Dpto. de Biodiversidad Y Biología Experimental, Facultad de Ciencias Exactas Y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Adenocystis utricularis; Alginate; Cell wall polysaccharides; Fucoidan; Histochemistry; Adenocystis utricularis; algae; Ectocarpales; Phaeophyceae
Año:2007
Volumen:46
Número:6
Página de inicio:675
Página de fin:679
DOI: http://dx.doi.org/10.2216/06-102.1
Título revista:Phycologia
Título revista abreviado:Phycologia
ISSN:00318884
CODEN:PYCOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00318884_v46_n6_p675_Ponce

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Citas:

---------- APA ----------
Ponce, N.M.A., Leonardi, P.I., Flores, M.L., Stortz, C.A. & Rodríguez, M.C. (2007) . Polysaccharide localization in the sporophyte cell wall of Adenocystis utricularis (Ectocarpales s.l., Phaeophyceae). Phycologia, 46(6), 675-679.
http://dx.doi.org/10.2216/06-102.1
---------- CHICAGO ----------
Ponce, N.M.A., Leonardi, P.I., Flores, M.L., Stortz, C.A., Rodríguez, M.C. "Polysaccharide localization in the sporophyte cell wall of Adenocystis utricularis (Ectocarpales s.l., Phaeophyceae)" . Phycologia 46, no. 6 (2007) : 675-679.
http://dx.doi.org/10.2216/06-102.1
---------- MLA ----------
Ponce, N.M.A., Leonardi, P.I., Flores, M.L., Stortz, C.A., Rodríguez, M.C. "Polysaccharide localization in the sporophyte cell wall of Adenocystis utricularis (Ectocarpales s.l., Phaeophyceae)" . Phycologia, vol. 46, no. 6, 2007, pp. 675-679.
http://dx.doi.org/10.2216/06-102.1
---------- VANCOUVER ----------
Ponce, N.M.A., Leonardi, P.I., Flores, M.L., Stortz, C.A., Rodríguez, M.C. Polysaccharide localization in the sporophyte cell wall of Adenocystis utricularis (Ectocarpales s.l., Phaeophyceae). Phycologia. 2007;46(6):675-679.
http://dx.doi.org/10.2216/06-102.1