Bulliform cells in Loudetiopsis chrysothrix (Nees) Conert and Tristachya leiostachya Nees (Poaceae): structure in relation to function

Juliana Magalhães Alvarez; Joecildo Francisco Rocha; Silvia Rodrigues Machado

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Bulliform cells in Loudetiopsis chrysothrix (Nees) Conert and Tristachya leiostachya Nees (Poaceae): structure in relation to function

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Author(s):	Juliana Magalhães Alvarez ; Joecildo Francisco Rocha ^[2] ; Silvia Rodrigues Machado ^[3] Total Authors: 3
Document type:	Journal article
Source:	Brazilian Archives of Biology and Technology; v. 51, n. 1, p. 113-119, 2008-02-00.
Abstract
This work reports anatomic and ultrastructural characteristics of bulliform cells in Loudetiopsis chrysothrix (Nees) Conert and Tristachya leiostachya Nees. Both the species presented leaf rolling under water stress. The main characteristics observed in these cells were: periclinal wall thinner than the adjacent epidermal wall; abundance of pectic substances in cuticular layer; sinuous anticlinal walls with ramified plasmodesmata; vacuome formed by a developed vacuole or innumerous small vacuoles; abundance of phenolic substances and oil drops. These characteristics suggested the involvement of bulliform cells in the mechanism of foliar involution in the studied species. (AU)

FAPESP's process:	00/12469-3 - Morphological, anatomical, histochemical, and ultrastructural studies of cerrado plants (sensu lato) of São Paulo State
Grantee:	Silvia Rodrigues Machado
Support Opportunities:	BIOTA-FAPESP Program - Thematic Grants

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