Prevalence of Toxoplasma gondii infection in HIV-infected patients and food animals and direct genotyping of T. gondii isolates, Southern Ghana
Toxoplasma gondii is of public health and veterinary importance causing severe diseases in immunocompromised individuals including HIV/AIDS patients and in congenital cases and animals. There is limited information on the epidemiology of T. gondii infection in humans, particularly HIV patients and food animals and the parasite genotypes in Ghana. A total of 394 HIV-infected patients from three hospitals were screened for T. gondii anti-IgG and IgM using ELISA. DNAs from blood samples of seropositve participants and 95 brain tissues of food animals were PCR assayed to detect Toxoplasma gra6. DNA positive samples were genotyped using multilocus nested polymerase chain reaction restriction fragment length polymorphism at 10 loci: sag1, alt.sag2, sag3, btub, gra6, l358, c22-8, c29-2, pk1, and apico. The overall seroprevalence was 74.37% (293/394). Toxoplasma DNAs were detected in 3.07% of the seropositive participants and 9.47% of the animals. Six of the human DNA positive samples were partly typed at sag3: 33.33, 50, and 16.67% isolates had type I, II, and III alleles, respectively. All nine isolates from food animals typed at nine loci except apico were atypical: six isolates were identical to ToxoDB #41 and #145, and one was identical to TgCkBrRj2 all identified in Brazil. The genotype of two isolates has not been reported previously and was named as TgCtGh1. T. gondii seroprevalence is high among the HIV-infected individuals with T. gondii circulating in Ghana being genetically diverse.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:116 |
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| Enthalten in: |
Parasitology research - 116(2017), 6 vom: 01. Juni, Seite 1675-1685 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pappoe, Faustina [VerfasserIn] |
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| Links: |
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| Themen: |
Animals |
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| Anmerkungen: |
Date Completed 25.10.2017 Date Revised 10.04.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00436-017-5442-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM27120480X |
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| 100 | 1 | |a Pappoe, Faustina |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Prevalence of Toxoplasma gondii infection in HIV-infected patients and food animals and direct genotyping of T. gondii isolates, Southern Ghana |
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| 520 | |a Toxoplasma gondii is of public health and veterinary importance causing severe diseases in immunocompromised individuals including HIV/AIDS patients and in congenital cases and animals. There is limited information on the epidemiology of T. gondii infection in humans, particularly HIV patients and food animals and the parasite genotypes in Ghana. A total of 394 HIV-infected patients from three hospitals were screened for T. gondii anti-IgG and IgM using ELISA. DNAs from blood samples of seropositve participants and 95 brain tissues of food animals were PCR assayed to detect Toxoplasma gra6. DNA positive samples were genotyped using multilocus nested polymerase chain reaction restriction fragment length polymorphism at 10 loci: sag1, alt.sag2, sag3, btub, gra6, l358, c22-8, c29-2, pk1, and apico. The overall seroprevalence was 74.37% (293/394). Toxoplasma DNAs were detected in 3.07% of the seropositive participants and 9.47% of the animals. Six of the human DNA positive samples were partly typed at sag3: 33.33, 50, and 16.67% isolates had type I, II, and III alleles, respectively. All nine isolates from food animals typed at nine loci except apico were atypical: six isolates were identical to ToxoDB #41 and #145, and one was identical to TgCkBrRj2 all identified in Brazil. The genotype of two isolates has not been reported previously and was named as TgCtGh1. T. gondii seroprevalence is high among the HIV-infected individuals with T. gondii circulating in Ghana being genetically diverse | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Animals | |
| 650 | 4 | |a Genotyping | |
| 650 | 4 | |a Ghana | |
| 650 | 4 | |a HIV | |
| 650 | 4 | |a Human | |
| 650 | 4 | |a Prevalence | |
| 650 | 4 | |a Toxoplasma | |
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| 700 | 1 | |a Cheng, Weisheng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yuanling |e verfasserin |4 aut | |
| 700 | 1 | |a Obiri-Yeboah, Dorcas |e verfasserin |4 aut | |
| 700 | 1 | |a Nuvor, Samuel Victor |e verfasserin |4 aut | |
| 700 | 1 | |a Ambachew, Henock |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xiaodong |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Qingli |e verfasserin |4 aut | |
| 700 | 1 | |a Chu, Deyong |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yuanhong |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Jilong |e verfasserin |4 aut | |
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