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Distinguishing resistances of transgenic sugarcane generated from RNA interference and pathogen‐derived resistance approaches to combating sugarcane mosaic virus

Indonesian Journal of Biotechnology · Vol. 26 No. 2 (2021) · hlm. 107–114

DOI
10.22146/ijbiotech.65256
ISSN
2089-2241, 0853-8654
Terbit
2021-06-28
Penerbit
Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Sugarcane mosaic virus (SCMV) is a causative agent that reduces growth and productivity in sugarcane. Pathogen‐derived resistance (PDR) and RNA interference (RNAi) are the most common approaches to generating resis‐ tance against plant viruses. Two types of transgenic sugarcane have been obtained by PDR and RNAi methods using a gene‐encoding coat protein (CP) of SCMV (SCMVCp). This research aimed to distinguish resistance of the two transgenic sugarcanes in combating SCMV through artificial viral inoculation. The experiment was conducted using transgenic sugar‐ cane lines validated by PCR analysis. Insertion of gene‐encoding CP in the transgenic lines was confirmed by amplification of 702 bp of DNA fragment of SCMVCp. After viral inoculation, mosaic symptoms appeared earlier, at 21 days post inoculation (dpi) in PDR transgenic lines, but was at 26 dpi in RNAi transgenic lines. Symptom observation showed that 77.8% and 50% of the inoculated plants developed mosaic symptoms in PDR and RNAi transgenic lines, respectively. RT‐PCR analysis revealed that the nuclear inclusion protein b (Nib) gene of SCMV was amplified in the symptomatic leaves in plants classified as susceptible lines. Immunoblot analysis confirmed presence of viral CP with a molecular size of 37 kDa in the susceptible lines. Collectively, these results indicated that the RNAi approach targeting the gene for CP effectively produces more resistance against the SCMV infection in transgenic sugarcane compared to the PDR approach.

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ugm.ac.id/ijbiotech/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Distinguishing resistances of transgenic sugarcane generated from RNA interference and pathogen‐derived resistance approaches to combating sugarcane mosaic virus</dc:title>
	<dc:creator>Hidayati, Weny Nailul</dc:creator>
	<dc:creator>Apriasti, Retnosari</dc:creator>
	<dc:creator>Addy, Hardian Susilo</dc:creator>
	<dc:creator>Sugiharto, Bambang</dc:creator>
	<dc:subject xml:lang="en-US">Sugarcane mosaic virus (SCMV; pathogen‐derived resistance; RNA interference; viral resistance; transgenic sugar‐ cane</dc:subject>
	<dc:description xml:lang="en-US">Sugarcane mosaic virus (SCMV) is a causative agent that reduces growth and productivity in sugarcane. Pathogen‐derived resistance (PDR) and RNA interference (RNAi) are the most common approaches to generating resis‐ tance against plant viruses. Two types of transgenic sugarcane have been obtained by PDR and RNAi methods using a gene‐encoding coat protein (CP) of SCMV (SCMVCp). This research aimed to distinguish resistance of the two transgenic sugarcanes in combating SCMV through artificial viral inoculation. The experiment was conducted using transgenic sugar‐ cane lines validated by PCR analysis. Insertion of gene‐encoding CP in the transgenic lines was confirmed by amplification of 702 bp of DNA fragment of SCMVCp. After viral inoculation, mosaic symptoms appeared earlier, at 21 days post inoculation (dpi) in PDR transgenic lines, but was at 26 dpi in RNAi transgenic lines. Symptom observation showed that 77.8% and 50% of the inoculated plants developed mosaic symptoms in PDR and RNAi transgenic lines, respectively. RT‐PCR analysis revealed that the nuclear inclusion protein b (Nib) gene of SCMV was amplified in the symptomatic leaves in plants classified as susceptible lines. Immunoblot analysis confirmed presence of viral CP with a molecular size of 37 kDa in the susceptible lines. Collectively, these results indicated that the RNAi approach targeting the gene for CP effectively produces more resistance against the SCMV infection in transgenic sugarcane compared to the PDR approach.</dc:description>
	<dc:publisher xml:lang="en-US">Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2021-06-28</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Original Research Articles</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijbiotech/article/view/65256</dc:identifier>
	<dc:identifier>10.22146/ijbiotech.65256</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Biotechnology; Vol 26, No 2 (2021); 107-114</dc:source>
	<dc:source>2089-2241</dc:source>
	<dc:source>0853-8654</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijbiotech/article/view/65256/31477</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2021 The Author(s)</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>