The role of Acinetobacter baumannii CarO outer membrane protein in carbapenems influx

Yükleniyor...
Küçük Resim

Tarih

2022

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Springer Nature

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

The gram-negative strain Acinetobacter baumannii is a cocobacillus, non-motile and aerobic organism that is often found in nosocomial infections. Many institutions worldwide such as WHO are grappling with antibiotic resistance Acinetobacter baumannii. Therefore, in recent years, there have been many studies in the literature about antibiotic resistance mechanisms. We studied the specificity of carbapenems for CarO, an outer membrane protein associated with Imipenem-resistance that was strongly related to a decrease in CarO expression level or changes in protein structure. The specificity of five different Carbapenems, Imipenem, Biapenem, Ertapenem, Faropenem, and Meropenem, against the Acinetobacter baumannii ATCC-17978 CarO protein, as well as the specificity of Imipenem for five different types Type-1, Type-2, Type-3, Type-4, and ATCC-17978 CarO protein, were investigated using computational methods. In this study, homology modelling, molecular docking, membrane-protein complex building, and 800 ns long MD simulation methods were followed. The interactions of imipenem with the extracellular region of five different forms of CarO protein were investigated in this study, as well as five different antibiotic binding profiles to the model organism ATCC-17978 CarO protein. The mechanism of CarO influx has been revealed with this study at the molecular level and this data is intended to be used in future research, mutagenesis, and clinical trials.

Açıklama

Anahtar Kelimeler

Acinetobacter baumannii ATCC 17978, CarO, Molecular dynamics simulations, Molecular docking

Kaynak

Research in Microbiology

WoS Q Değeri

Q3

Scopus Q Değeri

Q3

Cilt

Sayı

Künye

Sarıyer, E. (2022). The role of Acinetobacter baumannii CarO outer membrane protein in carbapenems influx. Research in Microbiology, 103966.