Archivelago Indonesia Marine Library

Perpustakaan Kementerian Kelautan dan Perikanan Republik Indonesia

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Penapisan Mikroorganisme Penghasil Protease Tahan Panas yang Diiisolasi dari Sumber Air Panas Indonesia

Widya Asmara - Personal Name; Jaka Widada - Personal Name; Eni Harmayani - Personal Name; Dewi Seswita Zilda - Personal Name;

Although many proteases had been studied and characterized, only a few of them are commercially available. Protease thermostability is one of the crucial properties for industrial
application. This research aimed to isolate and to screen the potential isolate which produce thermostable protease. There were 6 isolates (BII-1, BII-2, BII-3, BII-4, BII-6 and LII), isolated using solid Minimal Synthetic Medium (MSM) supplemented with 1.5% skim milk, that have, protease activity. Based on the 16S-rRNA gene sequencing analysis, isolates BII-1, BII-2 and BII- 6 were identified as Bacillus licheniformis, isolates BII-3 and BII-4 were identified as Bacillus subtilis, while isolate LII was identified as Brevibacillus thermoruber. Three isolates (BII-6, BII-4 and LII) were then further investigated for the second screening step using liquid MSM supplemented with 1% skim milk. The isolates (BII-6, BII-4 and LII) optimally produced protease when they were cultivated at 35, 30 and 50 oC respectively after 22h of incubation. Protease produced by BII-6, BII-4 and LII had optimum temperature of 65, 60 and 85 oC, optimum pH at 7-8, 8 and 9 and stable up to 100 min at 55, 60 and 75 oC respectively.


Availability
B1801644Koleksi DigitalArchivelago Indonesia Marine Library - Perpustakaan Kementerian Kelautan dan PerikananAvailable
Detail Information
Series Title
-
Call Number
Koleksi Digital
Publisher
2012 : KKP-Badan Penelitian dan Pengembangan Kelautan dan Perikanan., Jakarta
Collation
105-114 hlm.
Language
Indonesia
ISBN/ISSN
-
Classification
NONE
Content Type
-
Media Type
-
Carrier Type
-
Edition
Vol 7 No 3, December 2012
Subject(s)
Pengelolaan Sumber Air
Bacillus Sp.
Local Content
Publikasi Internal
Mikroorganisme
Karya Ilmiah
Artikel Ilmiah
Inhibitor Protease
Specific Detail Info
-
Statement of Responsibility
Squalen Journal
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Archivelago Indonesia Marine Library yang berasal dari gabungan kata ‘archive’ dan ‘archipelago’ yang memiliki makna tempat yang paling sesuai dan lengkap untuk menyimpan informasi mengenai kelautan dan perikanan Indonesia, merupakan perpustakaan khusus di bawah Sekretariat Jenderal Kementerian Kelautan dan Perikanan, dengan koleksi khusus di bidang kelautan dan perikanan.

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