Cover Depan.CDR ISSN 1978-3477, eISSN 2087-8575 Volume 14, Number 1, March 2020 Influence of Indigenous Mixotrophic Bacteria on Pyrite Surface Chemistry: Implications for Bioflotation The Utilization of Auto-Inducible Plyb Promoter and Media Optimation for Cell Density-Dependent Expression of Recombinant Xylanase in Bacillus Subtilis DB104 Antibacterial Potential of Star Anise (Illicium verum Hook. f.) Against Food Pathogen Bacteria Isolation and Characterization of Thermophilic Bacteria as Cellulolytic Enzyme Producer from the Hot Spring of Ie Seuum Aceh Besar, Indonesia Optimization of Xylanase Production by Streptomyces costaricanus 45I-3 using Various Substrates through Submerged Fermentation E d y S a n w a n i , N u s l i a B a y a n g k a r a Lamandhi, Halimatul Husni, Siti Khodijah Chaerun, Widi Astuti, and Fika Rofiek Mufakhir Haniyya, Dini Achnafani, Maria Ulfah, Niknik Nurhayati, and Is Helianti Eveline and Agustin Novita Ruhul Khalila, Lenni Fitri, and Suhartono Sipriyadi, Aris Tri Wahyudi, Maggy Thenawidjaya Suhartono, and Anja Meryandini 1 7 17 25 34 ISSN 1978-3477, eISSN 2087-8575 Volume 14, Number 1, March 2020 I N D O N E S I A Accredited at level “A" until October 2023 No. 030/E/KPT/2018 Patron Siswa Setyahadi, 2020 Chief Editor Editorial Board Members Antonius Suwanto, 2020 Brett Neilan, 2020 Dessy Natalia, 2020 Managing Editor Is Helianti, 2020 Astutiati Nurhasanah, 2020 Electronic Editor Iman Rusmana, 2020 Is Helianti, 2020 Business Manager Diana Nurani, 2020 Editorial Office Indonesian Society for Microbiology (Sekretariat PERMI) Room 124/TMC 2 DRN, Puspiptek-Serpong, Tangerang Selatan , Indonesia15314 Phone: +62-21-7560536 ext 7119 Fax: +62-21-7560694 E-mail: microbiology.indonesia@gmail.com URL: http://jurnal.permi.or.id/index.php/mionline Publisher Indonesian Society for Microbiology Published in March, June, September, and December. Subscription Prices for One Year, not including shipping and handling Indonesian Overseas Individual rate (IDR) 1 0 000,- 200 000,-5 Institutional rate (institution or library) (IDR) 240 000,- 400 000,- Bank Bank Mandiri Cabang Menara Thamrin, Jakarta, Acc PERMI; Acc No 103-0002080774 Printed by: CV. Istiqom Print Neung Tiaamroeng, 2020 Norio Kurosawa, 2020 Kartini Kramadibrata, 2020 Diana E Waturangi, 2020 Endang Purwantini, 2020 Wellyzar Sjamsuridzal, 2020 Yuan Kun Lee, 2020 Yaya Rukayadi, 2020 Netty Widyastuti Sigit, 2020 GENERAL EXECUTIVE BOARD OF INDONESIAN SOCIETY FOR MICROBIOLOGY 2019-2023 Advisory Board: Prof. Dr. Pratiwi Sudarmono, PhD, Sp.MK; Dr. Mohammad Dimyati; Prof. Dr. Endang Sukara; Prof. dr. Amin Soebandrio, PhD, Sp.MK; Prof. Dr. Ir. Betty Sri Laksmi Jenie, MS; Prof. Dr. Ir. Antonius Suwanto, Msc; Dr. Siswa Setyahadi; President: Dr. Iman Rusmana; Vice President: Prof. Fedik A Rantam, PhD; Dr. Atit Kanti, M.Sc; General Secretary: Diana Nurani, M.Si; Vice General Secretary: Dr. Rika Indri Astuti, M.Si ; Treasurer: Dr. Niknik Nurhayati; Dr. Nisa Rachmania, M.Si; Scientific and Publication Committee: Dr. Is Helianti; Dr. Astutiati Nurhasanah; Prof. Dra. Netty Widyastuti, M.Si; Asri Sulfianti, M.Si; Certification Committee: Dr. Ir. Trismilah, M.Si; Dra. Harmastini Sukiman, M.Agr; Dra. MG. Isworo Rukmi, M.Kes; Dra. Dini Ryandini, M.Si; Organization Advancement and Networking: Dr. Puspita Lisdiyanti; Lia Yulia Budiarti, M.Kes; Dr. rer. nat. Catur Riani; Promotion and Advocacy Committee: Jimmy Hariantono, PhD; Gianina Sebayang, M.Si; Ir. Dwi Kusuma Indriani, MP; Dr. Tjahjani Mirawati Sudiro; Data and Information: Drs. Nuki B Nugroho, M.Si; Mulyono, Ph.D; Jepri Agung Priyanto, S.Si, M.Si; Ario Fitrianto, S.Si Debbie S Retnoningrum, 2020 Iman Rusmana, 2020 Page 1 Editorial Board.pdf Page 1