UNIQUE CHLOROPLAST GENOME IN SPIROGYRA MAXIMA (CHLOROPHYTA) REVEALED BY PHYSICAL AND GENE MAPPING1

Autor:	James R. Manhart, Robert W. Hoshaw, Jeffrey D. Palmer
Rok vydání:	1990
Předmět:	Genetics biology food and beverages Plant Science Chlorophyta Aquatic Science biology.organism_classification Genome Chloroplast Gene mapping Algae Chloroplast DNA Botany Green algae Gene
Zdroj:	Journal of Phycology. 26:490-494
ISSN:	1529-8817 0022-3646
DOI:	10.1111/j.0022-3646.1990.00490.x
Popis:	The chloroplast genome in Spirogyra maxima (Hassall) Kutzing is 130 kb in size and lacks large repeat units. The 16S and 23S rRNA genes are separated by approximately 44 kb, which makes co-transcription of these genes unlikely. Spirogyra maxima is unusual among green algae in that its chloroplast genome apparently does not contain the tufA gene, the absence of which is characteristic of land plant chloroplast DNAs. Apart from three groups of genes, psaA-psaB, psbC-psbD, and atpA-atpF/H, which are co-transcribed in land plants and also map together in S. maxima chloroplast DNA, the S. maxima gene order overall is unlike that of any other chloroplast genome
Databáze:	OpenAIRE
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