Abstract
To date, two Iranian luciferase genes from the Lampyris turkestanicus and Lampyroidea maculata have been carefully studied. Here, we report the cloning and characterization of the gene and protein of luciferase enzyme from the beetle of an Iranian lampyrid species, Luciola sp. (Coleoptera-Lampyridae). In this study, a Luciola sp. firefly was collected from the Yasouj area of Iran and its luciferase gene sequence was cloned and characterized. The genomic DNA length for this luciferase was the 1950 bp that combined of seven exons and separated by six introns. The results of multiple sequence alignment show that this gene has the most similarity with DNA gene luciferase from the Hotaria unmunsana species. Further analysis determined accurately the location of these introns in the luciferase gene. However, the deduced amino acid sequences of the luciferase gene (548 residues) showed that this luciferase had 97.8% resemblance to luciferase from Lampyroidea maculata species. By in silico modeling of firefly luciferase in an I-TASSER server, the 3D structure of this enzyme was evaluated. The results of phylogenetic tree analysis display the close evolutionary relationship of this luciferase gene and luciferase gene from the Lampyroidea maculata and Hotaria unmunsana.
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More From: International Journal of Biological Macromolecules
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