Species-specific probes for identification of target virus...

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical

Reexamination Certificate

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C435S006120, C435S091500, C536S024320, C536S024330

Reexamination Certificate

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11318907

ABSTRACT:
The inventions provides a method for identifying a target virus in an infected subject comprising the steps of designing a pair of degenerate primers corresponding to highly conserved regions of the target virus; designing a pair of species-specific primers according to highly variable sequences within the conserved regions of the target virus; preparing the species-specific probes according to the larger sequence variations within the conserved regions of the target virus, which are amplified with the species-specific primers as obtained; preparing a test sample by amplifying total nucleic acid of the infected subject with the degenerate primers as obtained; contacting the test sample with the species-specific probes as obtained; and detecting a hybridization between the species-specific probe and the test sample, wherein the hybridization indicates the target virus is identified in the infected subject. The primers and probes for detecting a garget virus are also provided.

REFERENCES:
patent: 2003/0134293 (2003-07-01), Liu
Langeveld et al. Identification of potyviruses using the polymerase chain reaction with degenerate primers. Journal of General Virology (1991) 72: 1531-1541.
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GenBank Accession No. AY134473, Jan. 2005, 2 printed pages. Accessed Jun. 9, 2007.
GenBank Accession No. AB189009. Dec. 2004, 2 printed pages. Accessed Jun. 9, 2007.
Chen et al. A universal primer to detect members of the Potyviridae and its use to examine the taxonomic status of several members of the family. Archives of Virology (2001) 146: 757-766.
Timothy M. Rose et al., “Consensus-degenerate hybrid oligonucleotide primers for amplification of distantly related sequences,” Nucleic Acids Research, 26(7):1628-1635 (1998).
Penelope A. Bryant et al., “Chips with everything: DNA microarrays in infectious diseases,” The Lancet, Infectious Diseases, 4:100-111 (Feb. 2004).
Yueh-Chwen Hsu et al., “A new combination of RT-PCR and reverse dot blot hybridization for rapid detection and identification of potyviruses,” Journal of Virological Methods, 128:54-60 (2005).

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