Light-induced effects of tris on the ultrastructure of leaf tissue

Mittelheuser C.J. and Van Steveninck R.F.M. (1972) Light-induced effects of tris on the ultrastructure of leaf tissue. Australian Journal of Biological Sciences, 25 3: 517-530. doi:10.1071/BI9720517


Author Mittelheuser C.J.
Van Steveninck R.F.M.
Title Light-induced effects of tris on the ultrastructure of leaf tissue
Journal name Australian Journal of Biological Sciences   Check publisher's open access policy
ISSN 0004-9417
Publication date 1972-01-01
Sub-type Article (original research)
DOI 10.1071/BI9720517
Volume 25
Issue 3
Start page 517
End page 530
Total pages 14
Subject 1103 Clinical Sciences
1309 Developmental Biology
1311 Genetics
1305 Biotechnology
1312 Molecular Biology
1310 Endocrinology
2743 Reproductive Medicine
Abstract The effects on ultrastructure of tris(hydroxymethyl)aminomethane (Tris), pH 8· 0, were examined in leaf segments of wheat, barley, and maize in both light and dark. Tria in the light induces drastic changes in chloroplast ultrastructure which are not apparent in the dark except in mesophyll cells of maize. Both grana and stroma lamellae are affected and structural changes are apparent after treat-mentwith Tris for 3 hr. Vacuoles appear in the chloroplasts and both grana and stroma lamellae frequently Wldergo coiling. At later stages, disruption of the tonoplast occurs. The action of Tris appears to be specific for chloroplast membranes and the tonoplast, there being no apparent effect on the plasmalemma, or the membranes of mitochondria or microbodies.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 12 Jul 2016, 11:46:29 EST by System User