Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA16901, author = {Mahreta Suhartanti and Purbowatiningrum Sarjono and Agustina Aminin}, title = {Studi Filogeni dan Uji Potensi Enzim Ekstraseluler (amilase, β-galaktosidase, protease, katalase) Isolat Alicyclobacillus sp. Gedong Songo}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {13}, number = {3}, year = {2010}, keywords = {Bakteri termofilik; Alicyclobacillus sp.; enzim ekstraseluler}, abstract = {Penelitian terdahulu pada sumber air panas Gedong Songo, telah diisolasi 5 isolat Alicyclobacillus sp . yaitu: ATSae10, ANBae10, AYTae7, AYTae31 dan AYTae33 dengan kondisi pertumbuhan 55°C dan pH 4. Tujuan penelitian ini yaitu untuk mendapatkan pohon filogeni dan mendapatkan informasi mengenai potensi enzim ekstraseluler ketiga isolat Alicyclobacillus sp . yang meliputi amilase, β-galaktosidase, protease dan katalase. Konstruksi pohon filogeni dilakukan menggunakan program Phylip 3.68 ed dengan metode parsimony. Uji potensi enzim ekstraseluler isolat Alicyclobacillus sp . dilakukan secara kualitatif. Uji aktifitas amilase menggunakan amilum sebagai substrat, uji aktifitas β-galaktosidase menggunakan ONPG sebagai substrat dan pada uji protease menggunakan gelatin sebagai substrat. Uji katalase dilakukan secara kualitatif dengan melihat adanya gelembung O 2 yang dihasilkan oleh aktifitas katalase. Hasil penelitian menunjukkan bahwa ketiga isolat Alicyclobacillus sp . (AYTae7, AYTae31 dan AYTae33) berada dalam satu kelompok kekerabatan dan mempunyai tingkat kekerabatan terdekat dengan Alicyclobacillus sp . KI, Alicyclobacillus sp . T127, Alicyclobacillus acidocaldarius strain DSM 454 dan Uncultured bacterium clone351. Ketiga isolat Alicyclobacillus sp . memiliki enzim termostabil ekstraseluler amilase dan β-galaktosidase.}, issn = {2597-9914}, pages = {80--87} doi = {10.14710/jksa.13.3.80-87}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/16901} }
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