Browsing by Author "Perez Lopez, Andres"
Now showing items 1-6 of 6
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Detection of SARS-CoV-2 RNA by direct RT-qPCR on nasopharyngeal specimens without extraction of viral RNA.
Hasan, Mohammad Rubayet; Mirza, Faheem; Al-Hail, Hamad; Sundararaju, Sathyavathi; Xaba, Thabisile; Iqbal, Muhammad; Alhussain, Hashim; Yassine, Hadi Mohamad; Perez-Lopez, Andres; Tang, Patrick... more authors ... less authors ( Public Library of Science , 2020 , Article)To circumvent the limited availability of RNA extraction reagents, we aimed to develop a protocol for direct RT-qPCR to detect SARS-CoV-2 in nasopharyngeal swabs without RNA extraction. Nasopharyngeal specimens positive ... -
Draft Genome Sequence of an Extended-Spectrum β-Lactamase-Producing Klebsiella oxytoca Strain Bearing from Qatar.
Tsui, Clement K M; Sundararaju, Sathyavathi; Al Mana, Hassan; Hasan, Mohammad Rubayet; Tang, Patrick; Perez-Lopez, Andres... more authors ... less authors ( American Society for Microbiology , 2020 , Article)is an opportunistic human pathogen causing nosocomial infection. We report the draft genome of an extended-spectrum β-lactamase-producing isolate harboring an gene, a recently discovered colistin resistance analog, from ... -
Molecular Characterization of Extended-Spectrum β-Lactamase-Producing and Among the Pediatric Population in Qatar
Perez-Lopez, Andres; Sundararaju, Sathyavathi; Al-Mana, Hassan; Tsui, Kin Ming; Hasan, Mohammad Rubayet; Suleiman, Mohammed; Janahi, Mohammed; Al Maslamani, Eman; Tang, Patrick... more authors ... less authors ( Frontiers Media , 2020 , Article)Although extended-spectrum β-lactamase (ESBL)-producing Enterobacterales are a public health problem in the Arabian Peninsula, data on the molecular characteristic of their antimicrobial resistance determinants in children ... -
Nasopharyngeal Expression of Angiotensin-Converting Enzyme 2 and Transmembrane Serine Protease 2 in Children within SARS-CoV-2-Infected Family Clusters.
Hasan, Mohammad Rubayet; Ahmad, Muneera Naseer; Dargham, Soha Roger; Zayed, Hatem; Al Hashemi, Alaa; Ngwabi, Nonhlanhla; Perez Lopez, Andres; Dobson, Simon; Abu Raddad, Laith Jamal; Tang, Patrick... more authors ... less authors ( American Society for Microbiology , 2021 , Article)Lower levels of angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) in the nasal epithelium of children may be related to a lower incidence of severe acute respiratory syndrome coronavirus ... -
Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar
Tsui, Clement K. M.; Sundararaju, Sathyavathi; Al Mana, Hassan; Hasan, Mohammad Rubayet; Tang, Patrick; Perez-Lopez, Andres... more authors ... less authors ( Elsevier , 2020 , Other)Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar -
Whole-Genome Sequencing for Molecular Characterization of Carbapenem-Resistant Enterobacteriaceae Causing Lower Urinary Tract Infection among Pediatric Patients
Al Mana, Hassan; Sundararaju, Sathyavathi; Tsui, Clement K. M.; Perez-Lopez, Andres; Yassine, Hadi; Al Thani, Asmaa; Al-Ansari, Khalid; Eltai, Nahla O... more authors ... less authors ( MDPI , 2021 , Article)Antibiotic resistance is a growing public health problem globally, incurring health and cost burdens. The occurrence of antibiotic-resistant bacterial infections has increased significantly over the years. Gram-negative ...