Displaying publications 41 - 42 of 42 in total

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  1. Development of Molecular Diagnosis by PCR for the Detection of Infection and Gene Expression for Nipah Virus (NiV)
    Pasha F, Alatawi A, Amir M, Faridi U
    Pak J Biol Sci, 2020 Jan;23(8):1086-1095.
    PMID: 32700860 DOI: 10.3923/pjbs.2020.1086.1095
    BACKGROUND AND OBJECTIVE: The epidemiology of Nipah virus (NiV) was shortly seen in many Asian countries like Malaysia, Bangladesh and India most recently. Nipah virus also synonym as bat born virus is transmitted primarily by fruit bats. The 2 different strains transmitted are Hendra (highly pathogenic) and Cedar (non-pathogenic). The present study was attempt to develop recombinant protein based reagents for molecular diagnosis of Nipah.

    MATERIALS AND METHODS: The different primer sets were developed using bioinformatics software DNASTAR. The E. coli cells were used for recombinant protein expression.

    RESULTS: The NiV 'G' region primers were designed and amplified for 1 kb fragment and cloned. The NiV 'G' fragments were sub-cloned in pET-28(+) B and pGEX-5x-1. Recombinant protein thus obtained in soluble form in both the cases was essayed using western blot. The result showed the protein expression yield was more in pET-28(+) B with low stability and vice versa for pGEX-5x-1.

    CONCLUSION: The antibodies raised from the protein can be used as diagnostic reagent for detection of NiV. Thus, a new diagnostic technique can be industrialized.

    Matched MeSH terms: Nipah Virus/genetics
  2. Fulltext Analysis of codon usage patterns and influencing factors in Nipah virus
    Chakraborty S, Deb B, Barbhuiya PA, Uddin A
    Virus Res, 2019 04 02;263:129-138.
    PMID: 30664908 DOI: 10.1016/j.virusres.2019.01.011
    Codon usage bias (CUB) is the unequal usage of synonymous codons of an amino acid in which some codons are used more often than others and is widely used in understanding molecular biology, genetics, and functional regulation of gene expression. Nipah virus (NiV) is an emerging zoonotic paramyxovirus that causes fatal disease in both humans and animals. NiV was first identified during an outbreak of a disease in Malaysia in 1998 and then occurred periodically since 2001 in India, Bangladesh, and the Philippines. We used bioinformatics tools to analyze the codon usage patterns in a genome-wide manner among 11 genomes of NiV as no work was reported yet. The compositional properties revealed that the overall GC and AT contents were 41.96 and 58.04%, respectively i.e. Nipah virus genes were AT-rich. Correlation analysis between overall nucleotide composition and its 3rd codon position suggested that both mutation pressure and natural selection might influence the CUB across Nipah genomes. Neutrality plot revealed natural selection might have played a major role while mutation pressure had a minor role in shaping the codon usage bias in NiV genomes.
    Matched MeSH terms: Nipah Virus/genetics*
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