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All Journal Biodiversitas Journal of Biological Diversity
FATURRAHMAN FATURRAHMAN
Department of Biology, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Darmaga, Bogor Departement of Biology, Faculty of Mathematics and Natural Sciences, Mataram University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Isolation and identification of an agar-liquefying marine bacterium and some properties of its extracellular agarases FATURRAHMAN FATURRAHMAN; ANJA MERYANDINI; MUHAMMAD ZAIRIN JUNIOR; IMAN RUSMANA
Biodiversitas Journal of Biological Diversity Vol. 12 No. 4 (2011)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d120402

Abstract

Faturrahman, Meryandini A, Junior MZ, Rusmana I (2011) Isolation and identification of an agar-liquefying marine bacterium and some properties of its extracellular agarases. Biodiversitas 12: 192-197. A new agar-liquefying bacterium, designated Alg3.1, was isolated from Gracilaria samples collected from the Kuta Coast at Central Lombok in West Nusa Tenggara and was identified as Aeromonas sp. on the basis of morphology, biochemical-physiological character and 16S rDNA gene sequencing. The bacterium appeared capable of liquefying agar in nutrient agar-plate within 48 hours of incubation and the agar was completely liquefied after l5 days at 29oC. When the isolate was grown in basal salts solution medium B supplemented with peptone and yeast extract, producedextracellular agarases within a short period of time (4-16 h) and the maximum agarase activity was 0.489 nkat/mL at 36h after incubation.
Co-Authors ANJA MERYANDINI IMAN RUSMANA MUHAMMAD ZAIRIN JUNIOR