Antibacterial Activity of Endophytic ER-2 Bacterial Isolates from Plant Cotylelobium melanoxylon

Idramsa, (2018) Antibacterial Activity of Endophytic ER-2 Bacterial Isolates from Plant Cotylelobium melanoxylon. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, 18-19 Oktober 2018, Emeral Garden Hotel, Medan.

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Official URL: https://eudl.eu/pdf/10.4108/eai.18-10-2018.2287460

Abstract

Endophytic microbes are microorganisms that colonize the parts of plant organs and interact with host plant without causing any symptoms or diseases in the host plant. Endophytic microbial colonization is found in various types of plant organs, namely: roots, stems, leaves and seeds. This study is focused on endophytic bacteria mostly conducted intensively on wild plants or forests in the tropical ecosystems. Various trees or tropical forest plants have potentials as traditional medicine and in cooperation with the bacteria. The C. melanoxylon has been utilized by local community as antidiarrheal medicine because of the content of active antibacterial compounds. The presence of endophytic bacteria in tissues of the stem of C. melanoxylon was observed the bacteria were directly isolated from the tissues by planting pour plate on Tryptic Soya Agar (TSA) medium. The antibacterial activity of endophytic bacteria isolates was examined using a dual cultural assay against Escherichia coli ATCC 35218 and Staphyllococcus aureus ATCC 25923 as a model bacterial. Morphological, physiological, and biochemical characters were identified based on the ability of the isolates to grow. The endophytic bacteria isolate of strain ER-2 was inhibitat the growth of E. coli ATCC 35218 and S. aureus ATCC 25923.

Item Type: Conference or Workshop Item (Paper)
Contributors:
ContributionNameNIDN/NIDK
ReviewerSipahutar, Herbertnidn0026066111
ReviewerOedjiono, nidn0017065912
Keywords: Cotylelobium melanoxylon; bacteria; endophytes; antibacterial
Subjects: Q Science > QR Microbiology
Q Science > QR Microbiology > QR180 Immunology
Q Science > QR Microbiology > QR75 Bacteria
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam
Depositing User: Mrs Catur Dedek Khadijah
Date Deposited: 08 Feb 2021 02:38
URI: http://digilib.unimed.ac.id/id/eprint/41210

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