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Induction and Regulation of Chloroplast Replication in Mature Tobacco Leaf Tissue

Boasson, Rosalinda and Bonner, James J. and Laetsch, W. M. (1972) Induction and Regulation of Chloroplast Replication in Mature Tobacco Leaf Tissue. Plant Physiology, 49 (1). pp. 97-101. ISSN 0032-0889. PMCID PMC365907. http://resolver.caltech.edu/CaltechAUTHORS:20150729-152734732

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Abstract

Chloroplast replication was induced in mature tobacco leaf tissue (Nicotiana tabacum L.) by culturing leaf discs on a sterile medium composed of salts and sucrose. Chloroplast replicaton is greatly enhanced by the addition of kinetin to this medium. Kinetin also enhances cell enlargement, hut cell division does not occur. Chloroplast replication is nonsynchronous and proceeds most rapidly when the cell enlargement rate decreases. Chloroplast replication is light-dependent, hut cell enlargement occurs in both light and dark. Chloroplast replication resumes when discs cultured in the dark are returned to the light. It appears that chloroplast replication is related to cell expansion. The possibility of inducing synchronous replication of chloroplasts in tobacco cells is discussed.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://www.jstor.org/stable/4262668JSTORArticle
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC365907/PubMed CentralArticle
Additional Information:© 1972 American Society of Plant Biologists. Received for publication May 21, 1971. Supported by National Science Foundation Grant GB-12964.
Funders:
Funding AgencyGrant Number
NSFGB-12964
PubMed Central ID:PMC365907
Record Number:CaltechAUTHORS:20150729-152734732
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150729-152734732
Official Citation:Induction and Regulation of Chloroplast Replication in Mature Tobacco Leaf Tissue Rosalinda Boasson, James J. Bonner and W. M. Laetsch Plant Physiology Vol. 49, No. 1 (Jan., 1972) , pp. 97-101 Published by: American Society of Plant Biologists (ASPB) Stable URL: http://www.jstor.org/stable/4262668
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59079
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:06 Aug 2015 00:00
Last Modified:06 Aug 2015 00:00

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