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- W4281561648 abstract "Abstract Bacterial wilt strains in the Ralstonia solanacearum species complex (RSSC) pose serious threats to economically important crops worldwide. In 2014, Safni and co-workers proposed the reclassification of RSSC into three genomospecies: R. solanacearum (Rsol), R. pseudosolanacearum (Rpseu), and R. syzygii (Rsyz). The revision requires the proper identification of strains for diagnostic and epidemiological studies. In response, we developed an inexpensive and user-friendly “RSSC-Lineage Multiplex PCR” that effectively detects plant pathogenic Ralstonia strains in general and also distinguishes between Rpseu, Rsol, Rsyz, and the high-security Select Agent “race 3 biovar 2” subgroup of Rsol, also known as the phylotype IIB-1 potato brown rot pandemic lineage. Genomes were retrieved from the NCBI GenBank database and screened for unique gene regions using OrthoMCL and other comparative genomic approaches. Specific primers were designed for each genomospecies, Ralstonia in general and for “race 3 biovar 2”. AT-rich flaps were added at 5’ position of each primer to optimize the reaction thermodynamics. The specificity was tested in silico using the NCBI GenBank genome database and an in-house database. In vitro specificity and accuracy of the tool was validated with 110 representative Ralstonia strains and 24 strains from other genera. The assay is highly specific, generating neither false positives nor false negatives. Primer set detection limits ranged from 10- to 100-pg. The assay also detected and differentiated strains from naturally and artificially inoculated plant hosts. This tool is highly specific, reliable, and economical for culture characterization, diagnostics, surveys, quarantine decisions, and epidemiological studies." @default.
- W4281561648 created "2022-05-27" @default.
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- W4281561648 date "2022-05-26" @default.
- W4281561648 modified "2023-10-01" @default.
- W4281561648 title "“RSSC-Lineage Multiplex PCR” assay detects and differentiates Ralstonia solanacearum, R. pseudosolanacearum, R. syzygii and the R3bv2 subgroup" @default.
- W4281561648 doi "https://doi.org/10.21203/rs.3.rs-1693987/v1" @default.
- W4281561648 hasPublicationYear "2022" @default.
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