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      Analisis Filogenetik Feline coronavirus (FCoV) Isolat Tangerang, Indonesia Berdasarkan Gen Nucleocapsid (N)

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      Date
      2026
      Jenis/Type
      Skripsi
      Subtype
      Undergraduate Theses
      Author
      ARDIYANSYAH, MAULANA
      Poetri, Okti Nadia
      Santoso, Koekoeh
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      Abstract
      Feline coronavirus (FCoV) bersifat endemik pada kucing di Indonesia dan dapat memicu manifestasi penyakit yang sulit diprediksi. Penelitian ini bertujuan melakukan karakterisasi molekuler dan analisis filogenetik FCoV isolat Tangerang, Indonesia berdasarkan gen Nucleocapsid (N). Sebelas sampel arsip yang terkonfirmasi seluruhnya positif FCoV berdasarkan gen 3' untranslated region (UTR) dan sepuluh yang positif FCoV gen Spike (S) dianalisis menggunakan RT-PCR dengan target gen N, kemudian dilakukan sekuensing dan analisis filogenetik untuk memetakan hubungan kekerabatannya dengan referensi global. Sebanyak tujuh dari sebelas sampel tersebut menunjukkan hasil positif gen N FCoV dan berdasarkan analisis sekuens menunjukkan homologi nukleotida yang tinggi dengan FCoV genotipe 1, serta memiliki kedekatan kekerabatan dengan isolat referensi dari UK, USA, China, dan isolat Indonesia lain yang sudah dilaporkan sebelumnya. Klasterisasi tujuh sampel menunjukkan evolusi genetik spesifik pada isolat lokal. Sifat konservatif gen N pada pohon filogenetik berpotensi mendukung pengembangan vaksin serta pentingnya karakterisasi molekuler FCoV di Indonesia.
       
      Feline coronavirus (FCoV) is endemic in Indonesian cats and can cause unpredictable clinical manifestations. This study aimed to perform molecular characterization and phylogenetic analysis of FCoV isolates from Tangerang, Indonesia, based on the Nucleocapsid (N) gene. Eleven archive samples that tested positive for FCoV based on the 3' untranslated region (UTR) gene and ten that tested positive for FCoV based on the Spike (S) gene were analyzed using RT-PCR targeting the N gene, followed by sequencing and phylogenetic analysis to map their phylogenetic relationships with global references. Seven out of the eleven samples tested positive for the FCoV N gene, and sequence analysis revealed high nucleotide homology with FCoV genotype 1, as well as close phylogenetic relationships with reference isolates from the UK, the USA, China, and other previously reported Indonesian isolates. The clustering of the seven samples reveals specific genetic evolution in local isolates. The conservative nature of the N gene on the phylogenetic tree potentially supports vaccine development and underscores the importance of molecular characterization of FCoV in Indonesia.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/174606
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      • UF - Animal Disease and Veterinary Health [1297]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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