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PMID: 16592373 Published · ppublish English Journal Article

Endonuclease recognition sites mapped on Zea mays chloroplast DNA.

Bedbrook JR, Bogorad L

Abstract

The closed-circular DNA molecules of 85 x 10(6) daltons from Zea mays chloroplasts were isolated, digested with the restriction endonucleases Sal I, Bam I, and EcoRI, and the resulting fragments sized by agarose gel electrophoresis. A map of maize chloroplast DNA showing the relative location of all the Sal I recognition sequences and many of the Bam I and EcoRI recognition sites was determined. A DNA sequence representing approximately 15% of the Zea mays chloroplast genome is repeated. The two copies of this sequence are in an inverted orientation with respect to one another and are separated by a nonhomologous sequence representing approximately 10% of the genome length. The inverted repeats contain the genes for chloroplast ribosomal RNAs.

Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Bedbrook J R
The Biological Laboratories, Harvard University, Cambridge, Massachusetts 02138.
Bogorad L
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19 references, click to expand
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
Published
1976-12-00
Pages
4309-13
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC431441
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