Microbiologic profile of endodontic infections from HIV- and HIV+ patients using multiple-displacement amplification and checkerboard DNA-DNA hybridization.

Oral Diseases
L C N BritoFlavia R Teles

Abstract

To compare the microbiota of endodontic infections in necrotic pulp from HIV-negative and HIV-positive subjects. Root canal samples from necrotic pulp were collected from 40 HIV- and 20 HIV+ subjects. Pulps were amplified using multiple displacement amplification (MDA). Then, checkerboard DNA-DNA hybridization was employed to assess the levels of 107 microbial taxa. The percentage of DNA probe count and the percentage of teeth colonized by each test species were investigated. Significant differences between groups regarding proportions of taxa and prevalence of the test species were sought using the Mann-Whitney test and the Chi-square analysis, respectively. The most prevalent taxa detected were Dialister pneumosintes, Stenotrophomonas maltophilia, Streptococcus sobrinus, Corynebacterium diphteriae, and Helicobacter pylori among HIV- subjects and D. pneumosintes, Prevotella tannerae, Porphyromonas gingivalis, Parvimonas micra, Prevotella nigrescens, and Corynebacterium diphtheriae among HIV+ individuals. D. pneumosintes, C. diphtheria, and C. albicans were the most abundant species in the HIV- group, whereas the predominant taxa in HIV+ samples were P. tannerae, D. pneumosintes and Olsenella uli. P. tannerae, O. uli, Veilonell...Continue Reading

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Citations

Jul 6, 2016·Journal of Endodontics·Luiz Carlos Feitosa HenriquesAntônio Paulino Ribeiro Sobrinho
Dec 18, 2016·International Endodontic Journal·I F PersoonA R Özok
Dec 5, 2019·Brazilian Oral Research·Nely Cristina Medeiros CairesAntônio Paulino Ribeiro Sobrinho
Nov 30, 2019·Frontiers in Immunology·Larissa PessoaMarcelo Freire
Jul 4, 2020·Scientific Reports·Luciana Carla Neves de BritoFlávia Rocha Fonseca Teles
Jul 23, 2021·PloS One·Alice AlbertiLakshman Perera Samaranayake
Sep 23, 2018·Journal of Endodontics·Giovanni MergoniMaddalena Manfredi

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