Lampung University

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    30732 research outputs found

    Characterization of a novel lytic myophage, phiA8?29, infectingAeromonas strains

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    AbstractMembers of the bacterial genus Aeromonas are important aquatic pathogens that cause severe fish diseases. Here, we characterizea novel lytic phage, Aeromonas virus phiA8-29, isolated from the alimentary tract of a freshwater fish. Transmissionelectron microscopy showed that phiA8-29 has a long contractile tail and thus can be classified as a member of the familyMyoviridae. The phage genome was identified as a double-stranded DNA molecule of 144,974 bp containing 185 openreading frames and nine tRNA-encoding genes. Comparative genomic analysis revealed that the phiA8-29 genome has littlesimilarity to any of the currently sequenced Aeromonas phage genomes. Our data indicate that phiA8-29 is a novel lyticMyoviridae phage that does not belong to any of the known genera

    Crash Course Reumatologi dan Orthopaedi

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    xiv, 377 hlm, : il. ; 12,5 x 20 cm

    Strategi penetapan harga pada perusahaan PT.Penerbit Erlangga di Wilayah Bandar-Lampung [ CD-Tugas Akhir ] / Dian Afriyanto

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    MANAJEMEN PENJUALAN658.81 Afr s c.

    Complete genome sequence of a novel bacteriophage, PBKP05,infecting Klebsiella pneumoniae

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    AbstractAn increasing number of Klebsiella pneumoniae isolates have been found to be multi-drug resistant. A novel bacteriophage,PBKP05, which infects K. pneumoniae, was isolated and characterized. It has a linear double-stranded DNA genome of30,240 base pairs in length. Its G+C content is 53%, and 47 putative open reading frames are functionally annotated. Thisphage can be a candidate material for phage therapy

    Molecular surveillance of coxsackievirus A16 reveals the emergenceof a new clade in mainland China

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    AbstractCoxsackievirus A16 (CV-A16) of the genotypes B1a and B1b have co-circulated in mainland China in the past decades.From 2013 to 2017, a total of 3,008 specimens from 3,008 patients with mild hand, foot, and mouth disease were collectedin the present study. Viral RNA was tested for CV-A16 by a real-time RT-PCR method, and complete VP1 sequences andfull-length genome sequences of CV-A16 strains from this study were determined by RT-PCR and sequencing. Sequenceswere analyzed using a series of bioinformatics programs. The detection rate for CV-A16 was 4.1%, 25.9%, 10.6%, 28.1% and12.9% in 2013, 2014, 2015, 2016 and 2017, respectively. Overall, the detection rate for CV-A16 was 16.5% (497/3008) inthis 5-year period in Shenzhen, China. One hundred forty-two (142/155, 91.6%) of the 155 genotype B1 strains in the studybelonged to subgenotype B1b, and 13 (13/155, 8.4%) strains belonged to subgenotype B1a. Two strains (CVA16/Shenzhen174/CHN/2017 and CVA16/Shenzhen189/CHN/2017) could not be assigned to a known genotype. Phylogenetic analysisof these two strains and other Chinese CV-A16 strains indicated that these two CV-A16 strains clustered independently in anovel clade whose members differed by 8.4%-11.8%, 8.4%-12.1%, and 14.6%-14.8% in their nucleotide sequences from thoseof Chinese B1a, B1b, and genotype D strains, respectively. Phylogenetic analysis of global CV-A16 strains further indicatedthat the two novel CV-A16 strains from this study grouped in a previously uncharacterized clade, which was designated asthe subgenogroup B3 in present study. Meanwhile, phylogenetic reconstruction revealed two other new genotypes, B1d andB4, which included a Malaysian strain and two American strains, respectively. The complete genome sequences of the twonovel CV-A16 strains showed the highest nucleotide sequence identity of 92.3% to the Malaysian strain PM-15765-00 from2000. Comparative analysis of amino acid sequences of the two novel CV-A16 strains and their relatives suggested thatvariations in the nonstructural proteins may play an important role in the evolution of modern CV-A16

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