Association of a new 16srvi subgroup phytoplasma with little leaf of brinjal (solanum melongena l.) grown in Karnataka state (India)

Yadav, V. and Mahadevakumar, S. and Janardhana, G. R. and Amruthavalli, C. and Sreenivasa, M. Y. (2015) Association of a new 16srvi subgroup phytoplasma with little leaf of brinjal (solanum melongena l.) grown in Karnataka state (India). International Journal of Microbiology Research, 7 (6). pp. 703-709. ISSN 0975-9174

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Abstract

Little leaf of brinjal is one of the devastating disease effecting brinjal cultivars worldwide. So far no report is available on molecular detection and characterization of phytoplasma associated with brinjal from South India. Aims and objectives- This study was conducted to detect characterize and group phytoplasma associated with little leaf of brinjal from Karnataka. Materials and methods �Field survey was conducted to collect symptomatic, asymptomatic and healthy samples. Genomic DNA was isolated and subjected to nested PCR with universal primer pairs P1/P7 and R16nF2/R16nR2 respectively for amplification of highly conserved 16SrRNA gene. The amplified products were analyzed on 1.5 agarose gel and the expected nested PCR product of 1250 bp were purified, sequenced in both the directions by Sanger sequencing method and were assembled using Codon Code Aligner software. Multiple sequence alignment was done. Virtual RFLP pattern, restriction map was obtained and phylogenetic tree was constructed. Results and Conclusion - The nBLAST search and phylogenetic analysis of the sequence showed that, all the three samples shared maximum similarity with Clover proliferation (16SrVI) group. The virtual RFLP pattern obtained using iPhyclassifier revealed the association of a new 16SrVI subgroup phytoplasma with one isolate and 16SrVI-D group phytoplasma with other two isolates. This study reports the association of 16SrVI-D and a new sub-group phytoplasma associated with little leaf of brinjal from Karnataka.

Item Type: Article
Uncontrolled Keywords: Little Leaf of Brinjal and Phytoplasma and Molecular Detection and Molecular Diversity and Karnataka State and 16Srvi-D Group and Clover Proliferation Group and India
Subjects: B Life Science > Microbiology
Divisions: Department of > Microbiology
Depositing User: Users 19 not found.
Date Deposited: 20 Jun 2019 06:30
Last Modified: 16 Oct 2019 10:10
URI: http://eprints.uni-mysore.ac.in/id/eprint/3479

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