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Simultaneous detection of major pome fruit viruses and a viroid.


ABSTRACT: A rapid and sensitive two-step RT-PCR protocol for simultaneous detection of major apple viruses, namely Apple mosaic virus (ApMV), Apple stem pitting virus (ASPV), Apple stem grooving virus (ASGV), Apple chlorotic leaf spot virus (ACLSV) and Apple scar skin viroid (ASSVd), was developed. Five specific primer pairs were tested and confirmed for these viruses and viroid together in a single tube, giving amplicons of ~198, ~330, ~370, ~547 and ~645 bp corresponding to ASGV, ASSVd, ASPV, ApMV and ACLSV, respectively. Using a guanidinium-based extraction buffer along with a commercial kit resulted in better quality RNA as compared to kit, suited for multiplex RT-PCR. A rapid CTAB method for RNA isolation from apple tissue was developed, which produce good yield and saves time. To the best of our knowledge, this is the first report on the simultaneous detection of five pathogens (four viruses and a viroid) from apple with NADH dehydrogenase subunit 5 (nad5) as an internal control.

SUBMITTER: Kumar S 

PROVIDER: S-EPMC4188501 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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Simultaneous detection of major pome fruit viruses and a viroid.

Kumar Surender S   Singh Lakhmir L   Ram Raja R   Zaidi Aijaz A AA   Hallan Vipin V  

Indian journal of microbiology 20131116 2


A rapid and sensitive two-step RT-PCR protocol for simultaneous detection of major apple viruses, namely Apple mosaic virus (ApMV), Apple stem pitting virus (ASPV), Apple stem grooving virus (ASGV), Apple chlorotic leaf spot virus (ACLSV) and Apple scar skin viroid (ASSVd), was developed. Five specific primer pairs were tested and confirmed for these viruses and viroid together in a single tube, giving amplicons of ~198, ~330, ~370, ~547 and ~645 bp corresponding to ASGV, ASSVd, ASPV, ApMV and A  ...[more]

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