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Partial hoxH genes of 2 cyanobacterial genera, including 5 strains of Arthrospira and 2 strains of Spirulina, were cloned and characterized. This gene encodes the large subunit of nickel-iron hydrogenase. The results showed that these genes comprised 1349 nucleotides in Arthrospira and 1343 nucleotides in Spirulina, respectively. The GC contents of hoxH were 45.7% to 47.3% in Arthrospira and up to...
By using in vitro PCR method, C-phycocyanin operon of Arthrospira platensis FACHB341 was cloned and characterized. The operon consists of 427 bp ussB, 519 bp cpcB gene, 111 bp igsB-A region, 489 bp cpcA gene, 184 bp ussH region and 357 bp cpcH gene. Promoter prediction and signal scan show that there are putative promoter sequences and regulatory elements in ussB and ussH sequences.
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