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Culturable Diversity and Enzyme Production Survey of Halophilic Prokaryotes from a Solar Saltern on the Shore of the Oman Sea | ||
| Journal of Genetic Resources | ||
| مقاله 1، دوره 6، شماره 1، اردیبهشت 2020، صفحه 1-11 اصل مقاله (1008.53 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22080/jgr.2020.17847.1170 | ||
| نویسندگان | ||
| Amanollah Hashemzahi1؛ Ali Makhkdoumi* 1؛ Ahmad Asoodeh2 | ||
| 1Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran | ||
| 2Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran | ||
| تاریخ دریافت: 12 آذر 1398، تاریخ بازنگری: 01 بهمن 1398، تاریخ پذیرش: 17 دی 1398 | ||
| چکیده | ||
| The prokaryotic residents of the Tis solar saltern in the southeast of Iran on the shore of Oman Sea were investigated by the culture-dependent methods. Sequencing of the PCR-amplified fragments of 16S rRNA genes revealed that bacterial populations were related to Actinobacteria, Bacteroidetes, Balneolaeota, Firmicutes, and Proteobacteria. They were phylogenetically identified as members of Bacillus (35%), Aliifodinibius (15%), Longibacter (10%), Halomonas (10%), Arthrobacter (5%), Luteimonas (5%), Ornithinibacillus (5%), Rhodovibrio (5%), Staphylococcus (5%),and Tamilnaduibacter (5%). All archaeal isolates were belonged to the order Halobacteriales in the following genera: Haloferax (33%), Haloarcula (27%), Halogeometricum (11%), Halococcus (5%), Halomicroarcula (5%), Halorubrum (5%), Halostagnicola (5%), and Natronoarchaeum (5%). Semi-quantitative evaluation of six hydrolytic enzymes, including amylase, cellulase, lipase, pectinase, protease, and urease among these strains, revealed that urease (47%) and amylase (41%) had the highest production frequency. The average production rates were observed for lipase (25%) and protease (30%), while the pectinase (12%) and cellulase (4%) productions were rare among these halophiles. The most potent bacterial/archaeal strains for the enzymes production were as: Longibacter/Natronoarchaeum (amylase), Bacillus/ non archaeum (cellulase), Tamilnaduibacter/ Haloferax (lipase), Bacillus/ Haloferax (pectinase), Bacillus/ Haloferax (protease), and Staphylococcus/ Halococcus (urease). This first report about the prokaryote populations of the solar salterns in Iran demonstrated its high microbial diversity and potentials for the production of industrially interesting enzymes. | ||
| کلیدواژه‌ها | ||
| Diversity؛ Hydrolytic enzymes؛ Solar salterns؛ Halophiles | ||
| مراجع | ||
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