Ultrastructure of specialized parenchyma cells in the leaf blades of the sensitive plant mimosa pudica L

van Steveninok R.F.M. and van Steveninok M.E. (1970) Ultrastructure of specialized parenchyma cells in the leaf blades of the sensitive plant mimosa pudica L. Australian Journal of Biological Sciences, 23 1: 63-70. doi:10.1071/BI9700063


Author van Steveninok R.F.M.
van Steveninok M.E.
Title Ultrastructure of specialized parenchyma cells in the leaf blades of the sensitive plant mimosa pudica L
Journal name Australian Journal of Biological Sciences   Check publisher's open access policy
ISSN 0004-9417
Publication date 1970
Sub-type Article (original research)
DOI 10.1071/BI9700063
Volume 23
Issue 1
Start page 63
End page 70
Total pages 8
Subject 1103 Clinical Sciences
1309 Developmental Biology
1311 Genetics
1305 Biotechnology
1312 Molecular Biology
1310 Endocrinology
2743 Reproductive Medicine
Abstract The ultrastructure of specialized parenchyma cells which are believed to conduct an electrical stimulus as a membrane action potential is described for M. pudica. In general morphology these cells resemble “transfer cells” of leaves described by Gunning, Pate, and Briarty (1968) which are thought to playa role in the trans location of assimilates. An additional feature of the specialized parenchyma of M. pudica is the presence of an unusual type of plastid in which the grana lamellae may either display an “open” conformation, i.e. thylakoid membranes have moved apart, exhibiting electron-translucent areas between them, or a “closed” conformation, i.e. thylakoid membranes are stacked in an orthodox fashion. possible relation is suggested between the conformational changes of the plastids and the rapid transmission of stimuli.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 26 Jul 2016, 04:51:46 EST by System User