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All Journal Bioma : Berkala Ilmiah Biologi
Dewantoro, Giwang
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Agriculture, Biological Sciences & Forestry Education

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Antibacterial Activity of Freshwater Sponge Oncosclera asiatica Against Escherichia coli and Staphylococcus aureus Wulandari, Dyah; Dewantoro, Giwang; Lunggani, Arina Tri; Suprihadi, Agung; Riani, Catur; Setiawan, Edwin; Farikha, Siti Lutfiatul; Budiharjo, Anto
Bioma : Berkala Ilmiah Biologi Vol. 24, No 2, Tahun 2022
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.24.2.120-129

Abstract

Freshwater sponges are animals from the Porifera phylum that live in freshwater. The sponge used is Oncosclera asiatica was taken from Kali Porong, East Java. Seventeen isolates of bacteria have been obtained from isolation. Antibacterial potential testing was performed by paper disc inhibition assay using Escherichia coli and Staphylococcus aureus as pathogenic bacteria and amoxicillin as a positive control. The antibacterial activity test showed that four isolates have the potential activity. The isolates with the highest inhibition zones were identified using a 16S rRNA.The results of BLAST showed isolate number 2 was Pseudomonas moraviensis with 99.51% similarity. The phylogenetic tree analysis was build using the MEGA X program. The results of the phylogenetic tree analysis showed that P.moraviensis had a bootstrap value of 100% with a  genetic distance value of 0.001. P. moraviensis isolates screened for the presence of Non-Ribosomal Peptide Synthetase (NRPS) gene by A2gamF and A3gamR primers. The amplification result from NRPS gene showed positive meaning that P.moraviensis genome contained NRPS gene.
Co-Authors Anto Budiharjo Arina Tri Lunggani CATUR RIANI Dyah Wulandari Edwin Setiawan Farikha, Siti Lutfiatul Suprihadi