Complete genome characterization of Sugarcane yellow leaf virus from India: Evidence for RNA recombination.
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Title |
Complete genome characterization of Sugarcane yellow leaf virus from India: Evidence for RNA recombination.
Not Available |
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Creator |
Chinnaraja, C., R. Viswanathan, R. Karuppaiah, K. Bagyalakshmi, P. Malathi and B. Parameswari
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Subject |
Molecular variation, Sugarcane, Sugarcane yellow leaf virus, Virus genotypes, Virus recombination
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Description |
Not Available
Yellow leaf (YL) caused by Sugarcane yellow leaf virus (SCYLV) has become a serious constraint for sugarcane growth in different countries. Worldwide seven genotypes have been reported, with five based on complete and two based on partial genome characterization. We have previously reported the occurrence of three different SCYLV genotypes in India based on their partial genome sequences. A further four SCYLV isolates from sugarcane from Coimbatore in India were characterized after complete genome sequencing (~ 5875 nt). These isolates (SCYLV-IND) exhibited amino acid (aa) sequence differences of 29.2-31.8, 28.1-34.4 and 30.7-33.4% with REU, HAW-PER and BRA in partial ORF0 sequences, respectively. Similarly IND isolates have 21.4-23.7, 22.5-25.0 and 21.4-23.9% aa sequence differences with REU, HAW-PER and BRA, respectively in partial ORF1. However, the difference was found to be least in ORF5. The genotype reported from China, CHN1 shared a very close relationship with IND isolates with minimum differences of 4.3-5.3%, 4.8-5.8% and 2.5-3.0% in ORF0, 1 and 5 in aa sequences, respectively and 4.4-5.3% in complete nucleotide sequences. Phylogenetic analyses showed a separate lineage for IND isolates. Evidence of recombination was found in ORF1 to ORF5 with the maximum number of sites occurring in ORF2. The high incidence of SCYLV recombination suggests that recombination plays an important role in SCYLV evolution. Not Available |
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Date |
2021-11-27T08:41:24Z
2021-11-27T08:41:24Z 2012-09-26 |
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Type |
Research Paper
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Identifier |
41
0929-1873 http://krishi.icar.gov.in/jspui/handle/123456789/67870 |
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Language |
English
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Relation |
Not Available;
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Publisher |
Springer Netherlands
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