Ultrastructural Changes in Chloroplasts of Quercus rotundifolia Lam. in Response to Evernic Acid

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1986 English Publisher:Oxford University Press (OUP)Journal:Annals of Botany, volume 57, pages 407-413 (issn: 0305-7364, eissn: 1095-8290,

Copyright policy )

Authors: Ascaso, Carmen; Rapsch, Sonia;

doi: 10.1093/oxfordjournals.aob.a087123

handle: 10261/34446

Ultrastructural Changes in Chloroplasts of Quercus rotundifolia Lam. in Response to Evernic Acid

- Summary
- Subjects
- Metrics

Abstract

Theamount of total chlorophyll, chlorophylls a and b as well as the ratio of a to b decreased in chloroplasts isolatedfrom Quercus rotundifolia leaves, kept for 17 d in a solution of 35-5/ÍM evernic acid in 1 mM Na HCO3, when compared with the chloroplasts of control leaves (kept in NaHCO3). The chloroplasts in the spongy parenchyma were smaller and the amount of starch and plastoglobuli lower. The number of grana per chloroplast section, the number of thylakoids per grana and the height of grana stacks were also less in the chloroplasts of leaves treated with evernic acid. Quantitative ultrastructural differences were determined by rneans of electrón microscopy and image analysis techniques.

We are very grateful to Mr F. Pinto and Mrs Teresa Camota for technical assistance. Financial support was provided by the Comisión Asesora de Investigación Científica y Técnica, grant 365/81.

7 pages, figures, and tables statistics.

Peer reviewed

Related Organizations

Spanish National Research Council
Spain

Keywords

Chloroplasts, Lichens, Ultrastructure, Quercus rotundifolia, Lam., Evernic acid

Impact byBIP!

	selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	6
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average