Polymerase Chain Reaction Multiplication for the Detection of Bacterial Isolates Causing Neonatal Sepsis
DOI:
https://doi.org/10.3889/oamjms.2020.5343Keywords:
sepsis, PCR methods, in vitro study, Klebsiella pneumoniae, Eschericia coliAbstract
BACKGROUND: Neonatal sepsis is a clinical syndrome caused by the presence of bacteria in the blood accompanied by symptoms and systemic signs of infection that occurs in the first 4 weeks of life after birth. The process of identifying pathogenic microorganisms is essential in determining the clinical condition in neonatal sepsis.
AIM: The study was aimed to develop a multiplex polymerase chain reaction (PCR) method to identify bacterial isolates that cause neonatal sepsis in Indonesia with the main target of optimization of an initial design and PCR optimization.
METHODS: This research is an explorative in vitro study for the optimization of an initial design and PCR methods for the detection of the main bacteria that cause sepsis neonatorum in Indonesia, namely, bacteria Klebsiella pneumoniae, Escherichia coli, Enterobacter cloacae, and Pseudomonas aeruginosa. The study was conducted at the Biomolecular Laboratory of the Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia.
RESULTS: Sequencing carried out and continued with Basic Local Alignment Search Tool (BLAST) sequencing results, it appears that the PCR product that has been produced conforms with the optimization targets that were previously set when doing the primer design. The level of homology found in all four species based on the results of BLAST in a sequence is as follows: K. pneumoniae 94%, P. aeruginosa 99%, E. cloacae 100%, and E. coli 100%.
CONCLUSION: PCR multiplex method using design primers and conventional PCR analysis methods (using agarose gel) can be used to detect four species of bacteria that cause neonatal sepsis, namely, K. pneumoniae, P. aeruginosa, E. cloacae, and E. coli.
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Copyright (c) 2020 Utari Hartati Suryani, Andri Rezano, Yunia Sribudiani (Author)
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