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All Journal HAYATI Journal of Biosciences BIOTROPIA - The Southeast Asian Journal of Tropical Biology
TRIO HENDARWIN
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology Veterinary

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Characterization of Xylanase Streptomyces spp. SKK1-8 ANJA MERYANDINI; TRIO HENDARWIN; DEDEN SAPRUDIN; YULIN LESTARI
HAYATI Journal of Biosciences Vol. 13 No. 4 (2006): December 2006
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (134.007 KB) | DOI: 10.4308/hjb.13.4.151

Abstract

Streptomyces spp. SKK1-8 producing xylanase was isolated from soil sample from Sukabumi West Java. The xylanase have an optimum condition at pH 6 and 50 0C. Addition of 5 mM Cu2+ decreased the xylanase activity up to about 77%, whereas not by other cations. The xylanase was stable at 3 0C for 48 hours, and the enzyme half lifetime was 1 hour 45 minute at 50 0C. This xylanase showed the highest activity on oatspelt xylan, and their molecular masses were estimated approximately 16.80, 15.21, and 13.86 kDa. HPLC analysis showed that xylosa and arabinosa were the main hydrolytic product of birchwood xylan. Key words: xilanase, Streptomyces spp., characterization, zymogram and SDS-PAGE, stability
CHARACTERIZATION OF STREPTOMYCES sp. 45I-3 XYLANASE Meryandini, Anja; Saprudin, Deden; Prihandono, Prima Agung; Akhdiya, Alina; Hendarwin, Trio
BIOTROPIA Vol. 14 No. 2 (2007): BIOTROPIA Vol. 14 No. 2 December 2007
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.57 KB) | DOI: 10.11598/btb.2007.14.2.16

Abstract

Streptomyces sp 45I-3 producing xylanase was isolated from Kalimantan soil sample. Crude enzyme (produced by centrifuging the culture at 14000 rpm for about 5 minutes) and purified xylanase has an optimum condition at pH 5 and 50 oC.  Crude xylanase have half-life time of 2 hours 9 minute at 50 oC, whereas purified xylanase has half-life time of 12 hours. The molecular mass of purified xylanase was determined to be 43.2 and 39.2 kDa.
Co-Authors ALINA AKHDIYA Anja Meryandini Deden Saprudin Prihandono, Prima Agung YULIN LESTARI