Journals / Tarım Bilimleri Dergisi / 2018 / Cilt: 24 - Sayı: 2

Antiviral and Antifungal Activity of Biologically Active Recombinant Bouganin Protein from Bougainvillea spectabilis Willd

Bougainvillea spectabilis Willd. Bitkisinin Biyolojik Olarak Aktif Rekombinant Bouganin Proteininin Antiviral ve Antifungal Aktivitesi

Pages
227–237
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

All plants including controls treated with in vitro expressed BAP protein exhibited severe growth reduction compared with negative control (not treated) plants.

📌 3 Key Takeaways

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Objective & Hypothesis:Bouganin antiviral protein (BAP) gene, one of the ribosome inactivating proteins, isolated from Bougainvillea spectabilis Willd. was cloned, expressed and the antiviral and antifungal activities were investigated.
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Key Findings & Data:The coding region of bouganin gene was cloned into prokaryotic expression vector pETDuet-1 after amplification with end to end gene specific primers.
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Conclusion & Impact:All plants including controls treated with in vitro expressed BAP protein exhibited severe growth reduction compared with negative control (not treated) plants.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Bouganin antiviral protein (BAP) gene, one of the ribosome inactivating proteins, isolated from Bougainvillea spectabilis Willd. was cloned, expressed and the antiviral and antifungal activities were investigated. The full-length bouganin antiviral protein gene was amplified by reverse transcription-PCR using mRNA as template extracted from mature leaves. The coding region of bouganin gene was cloned into prokaryotic expression vector pETDuet-1 after amplification with end to end gene specific primers. The recombinant plasmid was transformed into Escherichia coli cells BL21(DE3)pLysS and the expression of BAP gene was induced by isopropyl β-D thiogalactopyranoside (IPTG). Bouganin antiviral protein having a molecular mass of 28 kDa has been isolated from transformed bacterial colonies. Antiviral activity of bouganin was assayed against Zucchini yellow mosaic virus (ZYMV) by a mechanical inoculation test. The antifungal activity of purified recombinant protein was tested against pathogenic and non-pathogenic Rhizoctonia solani, Trichoderma harzianum, and Fusarium oxysporum fungi using disc diffusion method. The increased amount of antiviral protein reduced the disease severity caused by ZYMV. The bouganin antiviral protein was inhibited the growth of R. solani by 30.7% and of T. harzianum by 20% after 72 h compared to control. No growth inhibition was observed for F. oxyporum. All plants including controls treated with in vitro expressed BAP protein exhibited severe growth reduction compared with negative control (not treated) plants.

Özet

Bougainvillea spectabilis Willd. bitkisinden ribozom inaktive eden proteinlerden olan Bouganin antiviral protein (BAP) geni izole edilerek klonlanmış, ifade edilmiş, antiviral ve antifungal özellikleri araştırılmıştır. Bouganin proteinini kodlayan genin tamamı bitkinin olgun yapraklarından ekstrakte edilen mRNA’dan Reverse Transkripsiyon-PCR yöntemi ile çoğaltılmıştır. Gen, uçtan uca bölgeyi kapsayacak şekilde tasarlanan spesifik primerler yardımı ile prokaryotik ekspresyon vektörü pETDuet-1’de klonlanmıştır. BAP geninin ifadesi rekombinant plazmitin Escherichia coli (BL21(DE3)pLysS) hücrelerine transferi sonrası isopropyl β-D thiogalactopyranoside (IPTG) ile teşvik edilmiştir. Molekül ağırlığı yaklaşık 28 kDa olan BAP transforme edilmiş bakterilerden izole edilmiştir. BAP ‘ın antiviral aktivitesi Zucchini yellow mosaic virus (ZYMV) kullanılarak mekanik inokulasyon yöntemi ile araştırılmıştır. Antifungal aktivitenin belirlenmesi disk difüzyon metodu yardımıyla patojen ve patojen olmayan Rhizoctonia solani, Trichoderma harzianum ve Fusarium oxysporum fungusları ile araştırılmıştır. BAP uygulama miktarı arttıkça ZYMV’nin neden olduğu hastalık şiddetinin azaldığı tespit edilmiştir. BAP 72 saatlik kontrol uygulaması ile karşılaştırıldığında, Rhizoctonia solani’nin gelişimini % 30.7, Trichoderma harzianum’unun gelişimini ise % 20 oranında inhibe etmiştir. Fusarium oxysporum’un gelişiminde herhangi bir inhibisyon etkisi gözlenmemiştir. In vitro’da ifade edilen BAP proteininin uygulandığı tüm bitkiler (sadece BAP protieni uygulanan kontrol grubu da dahil) uygulama yapılmayan bitkilere oranla şiddetli gelişme geriliği sergilemiştir.

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Cite This Article

SİPAHİOĞLU, H. M., USTA, M., GÜLLER, A., DURAK, E. D. (2022). Antiviral and Antifungal Activity of Biologically Active Recombinant Bouganin Protein from Bougainvillea spectabilis Willd. Tarım Bilimleri Dergisi, Cilt: 24 - Sayı: 2, 227–237. https://ajindex.com/articles/594884

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