Further insight into the genetic diversity of Entamoeba coli and Entamoeba hartmanni.
DNA-based taxonomy
co-evolution
endobionts
evolution
host specificity
protists
ribosomal DNA
taxonomy
Journal
The Journal of eukaryotic microbiology
ISSN: 1550-7408
Titre abrégé: J Eukaryot Microbiol
Pays: United States
ID NLM: 9306405
Informations de publication
Date de publication:
03 2023
03 2023
Historique:
revised:
16
09
2022
received:
02
08
2022
accepted:
16
09
2022
pubmed:
29
9
2022
medline:
15
3
2023
entrez:
28
9
2022
Statut:
ppublish
Résumé
Despite the species' wide distribution, studies of the genetic diversity within Entamoeba coli and Entamoeba hartmanni remain limited. In the present study, we provide further insight into the genetic diversity of both species based on analysis of partial nuclear small subunit ribosomal DNA sequences generated from human fecal DNAs from samples collected in Africa, South America, and Europe. Reinforcing the previous recognition that E. coli is a species complex, our data confirm the existence of the two subtypes, ST1 and ST2, previously identified plus, potentially, a new subtype, ST3. While ST1 appears to be genetically quite homogenous, ST2 shows a substantial degree of intrasubtype diversity. ST2 was more common in samples collected outside Europe, whereas ST1 showed no geographical restriction. The potentially novel subtype is represented to date exclusively by sequences from South American and African samples. In contrast to previous reports, our new data also indicate substantial variation in E. hartmanni that could also support the establishment of subtypes within this species. Here, however, no links were identified between subtype and geographical origin.
Substances chimiques
Interleukin-1 Receptor-Like 1 Protein
0
DNA, Ribosomal
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e12949Informations de copyright
© 2022 The Authors. Journal of Eukaryotic Microbiology published by Wiley Periodicals LLC on behalf of International Society of Protistologists.
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