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Abstract:

Fusoid cells have been interpreted as cells or intercellular spaces, according to different authors. Here, structural and ultrastructural evidence is provided relative to the origin and changes experimented by chlorenchyma cells ("arm cells") to differentiate into fusoid cells with large intercellular spaces between them. Performed studies and observations were made using Light and Transmission Electron Microscopy. Fusoid cells in Guadua species die but do not remain intact; instead, they uniformly collapse, delimiting conspicuous intercellular spaces which are bigger and different in shape from these cells. In transverse sections of mature and expanded bamboo leaf blades, usually seen in anatomical descriptions, the so-called "fusoid cells" are actually conspicuous intercellular gas spaces delimited by successive collapsed (and rarely not collapsed) fusoid cells. Also, we hypothesize possible relations or links between fusoid cell shape, structural function and apoplastic transport in bamboo leaves. © 2016 Elsevier GmbH.

Registro:

Documento: Artículo
Título:Ontogeny of fusoid cells in Guadua species (Poaceae, Bambusoideae, Bambuseae): Evidence for transdifferentiation and possible functions
Autor:Vega, A.S.; Castro, M.A.; Guerreiro, C.
Filiación:Cátedra de Botánica General, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, Ciudad Autónoma de Buenos Aires, C1417DSE, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
Laboratorio de Anatomía Vegetal Aplicada, Departamento de Biodiversidad y Biologia Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, Ciudad Autónoma de Buenos Aires, C1428EHA, Argentina
Instituto de Botánica Darwinion, Labardén 200, San Isidro, Buenos Aires, B1642HYD, Argentina
Palabras clave:Differentiation; Fusoid cells; Guadua chacoensis; Guadua trinii; Intercellular spaces; Ontogeny; bamboo; cells and cell components; differentiation; ontogeny; ultrastructure; Bambuseae; Bambusoideae; Guadua; Poaceae
Año:2016
Volumen:222
Página de inicio:13
Página de fin:19
DOI: http://dx.doi.org/10.1016/j.flora.2016.03.007
Título revista:Flora: Morphology, Distribution, Functional Ecology of Plants
Título revista abreviado:Flora Morphol. Distrib. Funct. Ecol. Plants.
ISSN:03672530
CODEN:FLRAB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03672530_v222_n_p13_Vega

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Citas:

---------- APA ----------
Vega, A.S., Castro, M.A. & Guerreiro, C. (2016) . Ontogeny of fusoid cells in Guadua species (Poaceae, Bambusoideae, Bambuseae): Evidence for transdifferentiation and possible functions. Flora: Morphology, Distribution, Functional Ecology of Plants, 222, 13-19.
http://dx.doi.org/10.1016/j.flora.2016.03.007
---------- CHICAGO ----------
Vega, A.S., Castro, M.A., Guerreiro, C. "Ontogeny of fusoid cells in Guadua species (Poaceae, Bambusoideae, Bambuseae): Evidence for transdifferentiation and possible functions" . Flora: Morphology, Distribution, Functional Ecology of Plants 222 (2016) : 13-19.
http://dx.doi.org/10.1016/j.flora.2016.03.007
---------- MLA ----------
Vega, A.S., Castro, M.A., Guerreiro, C. "Ontogeny of fusoid cells in Guadua species (Poaceae, Bambusoideae, Bambuseae): Evidence for transdifferentiation and possible functions" . Flora: Morphology, Distribution, Functional Ecology of Plants, vol. 222, 2016, pp. 13-19.
http://dx.doi.org/10.1016/j.flora.2016.03.007
---------- VANCOUVER ----------
Vega, A.S., Castro, M.A., Guerreiro, C. Ontogeny of fusoid cells in Guadua species (Poaceae, Bambusoideae, Bambuseae): Evidence for transdifferentiation and possible functions. Flora Morphol. Distrib. Funct. Ecol. Plants. 2016;222:13-19.
http://dx.doi.org/10.1016/j.flora.2016.03.007