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TY - JOUR AU - Bakri, Yasser AU - Ammouneh, Hassan AU - El-Khouri, Samir AU - Harba, Muhanad AU - Thonart, Philippe PY - 2012/12/16 Y2 - 2025/09/23 TI - Isolation and identification of a new Bacillus strain for amylase production JF - Research in Biotechnology JA - RIB VL - 3 IS - 6 SE - Research Articles DO - UR - https://www.updatepublishing.com/journal/index.php/rib/article/view/2347 SP - AB - The objective of the study was to isolate amylase producing bacteria from Syrian soil samples. Amylolytic <em>Bacillus </em>sp were isolated on starch agar medium. The <em>Bacillus </em>SY134D was the best amylase producing isolate among two hundred and ten isolates showed the amylolytic activity. The closest phylogenetic neighbours according to 16S gene sequence, the <em>Bacillus </em>SY134D isolate was identified as <em>Bacillus subtilis</em>. The optimum temperature for amylase production was found to be 37°C. Amylase  production occurred at pH 3.0-9.0 with a maximum at pH 5.0. The best enzyme activity was observed at pH 6.0 and temperature 70°C. ER -