Molecular Identification of Endophytic Fungi from Bark of Raru (Cotylelobium melanoxylon) that Produce the Antibacterial Compounds

Main Author: Idramsa,
Format: Article PeerReviewed Book
Bahasa: ind
Terbitan: Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Indonesia , 2017
Subjects:
Online Access: http://digilib.unimed.ac.id/41380/1/PEER%20REVIEWER.pdf
http://digilib.unimed.ac.id/41380/
https://journal.unnes.ac.id/nju/index.php/biosaintifika/article/view/9424
ctrlnum 41380
fullrecord <?xml version="1.0"?> <dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><relation>http://digilib.unimed.ac.id/41380/</relation><title>Molecular Identification of Endophytic Fungi from Bark of Raru (Cotylelobium melanoxylon) that Produce the Antibacterial Compounds</title><creator>Idramsa, </creator><subject>QH Natural history</subject><subject>QH301 Biology</subject><subject>QH540 Ecology</subject><subject>QH573 Cytology</subject><subject>QR Microbiology</subject><subject>QR75 Bacteria</subject><description>The Dipterocarpaceae plant, raru (Cotylelobium melanoxylon) is widespread in Southeast Asia. The bark of raru has been used by local communities in North Sumatera as antidiarrheal drugs due to its antibacterial compounds. The antibacterial activity of the rarus bark is induced by endophytic fungi that live in the region of the bark. This study aimed to identify the endophytic fungi-producer of antibacterial compounds in the bark of raru (C. melanoxylon) by means of molecular analysis. In general, endophytic fungi have the ability to inhibit the growth of pathogenic bacteria. Thirty-eight isolates of endophytic fungi were isolated from the bark of raru. Selection of isolates for antibacterial activity against Escherichia coli ATCC 35218 and Staphylococcus aureus ATCC 25923 used the dual culture assay. Selection using the dual culture assay yielded 6 endophytic fungal isolates that have the ability to inhibit the growth of test bacteria. EF10A sample was the most powerful isolate inhibiting the growth of both bacteria test. Those six bacteria molecularly identified used a sequence generated from ITS rDNA region. Based on rDNA ITS region sequences, isolate, the producers of the antibacterial compound were identified as Talaromyces cellulolyticus, Penicillium purpurogenum, Aspergillus sp., Trichoderma harzianum, and Aspergillus orizae. The results of this study can be used by researchers to explore more potential endophytic fungi in raru plants (C. melanoxylon) as a source of medicine. The data obtained need to be supported by further research to isolate the bioactive compounds that can inhibit the growth of microbial pathogens.</description><publisher>Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Indonesia</publisher><date>2017</date><type>Journal:Article</type><type>PeerReview:PeerReviewed</type><type>Book:Book</type><language>ind</language><identifier>http://digilib.unimed.ac.id/41380/1/PEER%20REVIEWER.pdf</identifier><identifier> Idramsa, (2017) Molecular Identification of Endophytic Fungi from Bark of Raru (Cotylelobium melanoxylon) that Produce the Antibacterial Compounds. Biosaintifika (Journal of Biology &amp; Biology Education), 9 (3). pp. 380-386. ISSN 2085-191X; 2338-7610 </identifier><relation>https://journal.unnes.ac.id/nju/index.php/biosaintifika/article/view/9424</relation><recordID>41380</recordID></dc>
language ind
format Journal:Article
Journal
PeerReview:PeerReviewed
PeerReview
Book:Book
Book
author Idramsa,
title Molecular Identification of Endophytic Fungi from Bark of Raru (Cotylelobium melanoxylon) that Produce the Antibacterial Compounds
publisher Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Indonesia
publishDate 2017
topic QH Natural history
QH301 Biology
QH540 Ecology
QH573 Cytology
QR Microbiology
QR75 Bacteria
url http://digilib.unimed.ac.id/41380/1/PEER%20REVIEWER.pdf
http://digilib.unimed.ac.id/41380/
https://journal.unnes.ac.id/nju/index.php/biosaintifika/article/view/9424
contents The Dipterocarpaceae plant, raru (Cotylelobium melanoxylon) is widespread in Southeast Asia. The bark of raru has been used by local communities in North Sumatera as antidiarrheal drugs due to its antibacterial compounds. The antibacterial activity of the rarus bark is induced by endophytic fungi that live in the region of the bark. This study aimed to identify the endophytic fungi-producer of antibacterial compounds in the bark of raru (C. melanoxylon) by means of molecular analysis. In general, endophytic fungi have the ability to inhibit the growth of pathogenic bacteria. Thirty-eight isolates of endophytic fungi were isolated from the bark of raru. Selection of isolates for antibacterial activity against Escherichia coli ATCC 35218 and Staphylococcus aureus ATCC 25923 used the dual culture assay. Selection using the dual culture assay yielded 6 endophytic fungal isolates that have the ability to inhibit the growth of test bacteria. EF10A sample was the most powerful isolate inhibiting the growth of both bacteria test. Those six bacteria molecularly identified used a sequence generated from ITS rDNA region. Based on rDNA ITS region sequences, isolate, the producers of the antibacterial compound were identified as Talaromyces cellulolyticus, Penicillium purpurogenum, Aspergillus sp., Trichoderma harzianum, and Aspergillus orizae. The results of this study can be used by researchers to explore more potential endophytic fungi in raru plants (C. melanoxylon) as a source of medicine. The data obtained need to be supported by further research to isolate the bioactive compounds that can inhibit the growth of microbial pathogens.
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