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Dewi, Ratih M
Research Center for Biology-Indonesian Institute of Sciences
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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IDENTIFIKASI GEN SELENOMETIL TRANSFERASE (smt) PADA ISOLAT Geobacillus sp. 20K YANG RESISTEN TERHADAP SELENIUM Triana, Evi; Nurhidayat, Novik; Yulinery, Titin; Kasim, Ernawati; Dewi, Ratih M
BERITA BIOLOGI Vol 10, No 3 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (329.562 KB) | DOI: 10.14203/beritabiologi.v10i3.747

Abstract

The trace element Selenium is toxic at high concentration.Most of organisms living in selenium rich environment are selenium resistant.One of the resistance mechanisms is methylation,in which selenium is methylated and transformed to non-toxic selenium compound.The methylation is catalyzed by seleno methyltransferase (SMT) coded by smt gene. The gene are expressed by selenium tolerant plants. However, there was no available report yet on such specific gene in the bacterial genome. This study was carried out to determine smt homologous gene on selected selenium accumulator bacteria, Geobacillus sp. 20k, The smt gene of was determined by amplifying target DNA and analyses its sequences through homology search (BLAST). The result showed that the DNA and its protein part of thermophilic enzyme involved selenium metabolisms.
Co-Authors Evi Triana Kasim, Ernawati Novik Nurhidayat Yulinery, Titin