Identification and Phylogenetic Analysis of Entomopathogenic Fungal Isolates Using Molecular Approach

Elkawnie Pub Date : 2020-12-30 DOI:10.22373/ekw.v6i2.6549
S. Syaukani, Zulia Ananda, S. Suhartono, Sirtina Sirtina, Oviana Lisa, A. Alfizar, S. Samingan
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Abstract

Abstract: Entomopathogenic fungi are essential to consider as one of the biological agents to control termite populations. This research aimed to molecularly identify entomopathogenic fungi isolates in termites based on the ITS rDNA region and to determine the relationship of fungi isolates. Identification was performed by DNA extraction, PCR amplification, electrophoresis, purification, and sequencing. Phylogenetic trees were generated using MEGA X.  Molecular identification showed that the ISO1 sample was Penicillium oxalicum, the ISO2 sample was Trichoderma ghanense the ISO3 sample was Aspergillus niger, the ISO4 sample was Aspergillus fumigatus and the ISO5 sample was Aspergillus pseudonomius. The phylogenetic tree showed that the ISO1, ISO2, ISO3, ISO4, and ISO5 samples had the closest relationship with Penicillium oxalicum strain FR6-CGR12, Trichoderma ghanense isolate TM2, Aspergillus niger isolate 77, Aspergillus fumigatus, and Aspergillus pseudonomius strain DTO 267D6, respectively.Abstrak: Kelimpahan jenis fungi entomopatogen adalah hal yang terpenting untuk dipertimbangkan sebagai agen hayati bagi populasi rayap.Penelitian ini bertujuan untuk mengidentifikasi secara molekular isolat fungi entomopatogen pada rayap, berdasarkan daerah ITS rDNA dan mengetahui hubungan kekerabatan dari isolat fungi tersebut. Identifikasi dilakukan dengan cara ekstraksi DNA, amplifikasi menggunakan PCR, elektroforesis, purifikasi dan sekuensing. Selanjutnya kontruksi pohon filogenetik menggunakan aplikasi MEGA X. Berdasarkan uji molekular menunjukkan bahwa sampel ISO1 merupakan Penicillium oxalicum.ISO2 merupakan Trichoderma ghanense.ISO3 merupakan Aspergillus niger. ISO4 merupakan Aspergillus fumigatus.ISO5 merupakan Aspergillus pseudonomius.Konstruksi pohon filogenetik menunjukkan bahwa, sampel ISO1 berkerabat dekat dengan Penicillium oxalicum strain FR6-CGR12. Sampel ISO2 berkerabat dekat dengan Trichoderma ghanense isolat TM2. Sampel ISO3 berkerabat dekat dengan Aspergillus nigerisolat 77. Sampel ISO4 berkerabat dekat dengan Aspergillus fumigatus.Sampel ISO5 berkerabat dekat dengan Aspergillus pseudonomius strain DTO 267D6.
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昆虫病原真菌分离物的分子鉴定及系统发育分析
摘要:昆虫病原真菌是控制白蚁种群的重要生物制剂之一。本研究旨在基于ITS rDNA区域对白蚁昆虫病原真菌分离株进行分子鉴定,并确定真菌分离株间的亲缘关系。通过DNA提取、PCR扩增、电泳、纯化和测序进行鉴定。分子鉴定表明,ISO1样品为草青霉,ISO2样品为甘木霉,ISO3样品为黑曲霉,ISO4样品为烟曲霉,ISO5样品为假曲霉。系统发育树分析结果表明,ISO1、ISO2、ISO3、ISO4和ISO5样品分别与草青霉FR6-CGR12、甘尼木霉TM2、黑曲霉77、烟曲霉和假曲霉DTO 267D6亲缘关系最密切。摘要:Kelimpahan jenis真菌昆虫病原菌adalah halyang terpenting untuk dipertimbangkan sebagai agen hayati bagi populasi rayap。分子分离真菌昆虫病原菌paadrayap, berdasarkan daerah ITS rDNA dan mengetahui hubungan kekerabatan dari isolat fungi tersebut。鉴定卡西的DNA,扩增卡西的孟古纳坎的PCR,电切,纯化卡西的丹。黄芩青霉的分子分析。黄芩青霉的分子分析。ISO2 merupakan加纳木霉。ISO3黑曲霉。ISO4烟曲霉。ISO5 merupakan伪曲霉。样品ISO1 berkerabat dekat dungan草酸青霉菌菌株FR6-CGR12。样品ISO2 berkerat dekat denengan木霉分离株TM2。样品ISO3 berkerabat dekat denengan Aspergillus nigisolat 77。样品ISO4 berkerabat dekat dengan烟曲霉。样品ISO5 berkerabat dekat dengan伪曲霉菌株DTO 267D6。
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