Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China

Introduction: Trichomonas vaginalis trophozoite is a pathogen that causes trichomoniasis, the most common neglected sexually transmitted disease. The reference genome of T. vaginalis is derived from the G3 strain. Although many strains are widely present in China, no genomic information is available...

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Main Authors: Yanqing Zhao, Yinjie Lian, Wei Guan, Peng Wu, Shuguo Yang, Jian Li
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2024-01-01
Series:Decoding Infection and Transmission
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Online Access:http://www.sciencedirect.com/science/article/pii/S2949924024000077
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author Yanqing Zhao
Yinjie Lian
Wei Guan
Peng Wu
Shuguo Yang
Jian Li
author_facet Yanqing Zhao
Yinjie Lian
Wei Guan
Peng Wu
Shuguo Yang
Jian Li
author_sort Yanqing Zhao
collection DOAJ
description Introduction: Trichomonas vaginalis trophozoite is a pathogen that causes trichomoniasis, the most common neglected sexually transmitted disease. The reference genome of T. vaginalis is derived from the G3 strain. Although many strains are widely present in China, no genomic information is available for relevant studies. Methods: Clinical T. vaginalis isolates were collected, cultured and sequenced via the next-generation Illumina, SMRT DNA sequencing platform and chromosome conformation capture (Hi-C) technologies. Results: The present assembled TV-THS1 genome, spanning 185.45 Mb, was comprised of 934 contigs with a contig N50 length of 467.79 kb anchored to six pseudochromosomes, accounting for more than 88 % of the assembled genome (164.56 Mb). The genome included 24,691 protein-coding genes, 24,376 of which (98.72 %) were functionally interpreted. A total of 131.74 Mb (71.03 %) of the assembled sequences were identified as repetitive sequences, and 5302 corresponding genes were annotated in Maverick elements. Compared with the published T. vaginalis G3 reference genome, substantial differences have been revealed. Comparative genome analysis revealed that genes related to expansion during evolution mainly participated in cell adhesion and the biosynthesis of specialized metabolites, such as those involved in binding and catalytic activity. Conclusions: A chromosome-level reference T. vaginalis TV-THS1 genome was obtained, providing comprehensive insight into T. vaginalis evolution and the molecular mechanisms of T. vaginalis pathogenicity. This work offers valuable data for pathogen-host interaction analysis, clinical diagnosis, treatment and prevention of trichomoniasis.
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spelling doaj-art-caabb062af7d4ad182daeac7963e26b22025-08-20T02:33:42ZengKeAi Communications Co., Ltd.Decoding Infection and Transmission2949-92402024-01-01210002310.1016/j.dcit.2024.100023Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central ChinaYanqing Zhao0Yinjie Lian1Wei Guan2Peng Wu3Shuguo Yang4Jian Li5Department of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, ChinaDepartment of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, ChinaDepartment of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, ChinaDepartment of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, ChinaDepartment of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, ChinaDepartment of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Shiyan, 442000, China; Academy of Biomedicine Research, Hubei University of Medicine, Shiyan, 442000, China; Corresponding author. Department of Human Parasitology, School of Basic Medical Science, Hubei University of Medicine, Academy of Biomedical Research, Hubei University of Medicine, Shiyan, 442000, China.Introduction: Trichomonas vaginalis trophozoite is a pathogen that causes trichomoniasis, the most common neglected sexually transmitted disease. The reference genome of T. vaginalis is derived from the G3 strain. Although many strains are widely present in China, no genomic information is available for relevant studies. Methods: Clinical T. vaginalis isolates were collected, cultured and sequenced via the next-generation Illumina, SMRT DNA sequencing platform and chromosome conformation capture (Hi-C) technologies. Results: The present assembled TV-THS1 genome, spanning 185.45 Mb, was comprised of 934 contigs with a contig N50 length of 467.79 kb anchored to six pseudochromosomes, accounting for more than 88 % of the assembled genome (164.56 Mb). The genome included 24,691 protein-coding genes, 24,376 of which (98.72 %) were functionally interpreted. A total of 131.74 Mb (71.03 %) of the assembled sequences were identified as repetitive sequences, and 5302 corresponding genes were annotated in Maverick elements. Compared with the published T. vaginalis G3 reference genome, substantial differences have been revealed. Comparative genome analysis revealed that genes related to expansion during evolution mainly participated in cell adhesion and the biosynthesis of specialized metabolites, such as those involved in binding and catalytic activity. Conclusions: A chromosome-level reference T. vaginalis TV-THS1 genome was obtained, providing comprehensive insight into T. vaginalis evolution and the molecular mechanisms of T. vaginalis pathogenicity. This work offers valuable data for pathogen-host interaction analysis, clinical diagnosis, treatment and prevention of trichomoniasis.http://www.sciencedirect.com/science/article/pii/S2949924024000077Trichomonas vaginalisLong-read sequencingChromosome-scale assemblyGenome-wide analysis
spellingShingle Yanqing Zhao
Yinjie Lian
Wei Guan
Peng Wu
Shuguo Yang
Jian Li
Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
Decoding Infection and Transmission
Trichomonas vaginalis
Long-read sequencing
Chromosome-scale assembly
Genome-wide analysis
title Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
title_full Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
title_fullStr Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
title_full_unstemmed Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
title_short Chromosome-level genome assembly, reannotation and decoding of a Trichomonas vaginalis clinical isolate from Shiyan, Central China
title_sort chromosome level genome assembly reannotation and decoding of a trichomonas vaginalis clinical isolate from shiyan central china
topic Trichomonas vaginalis
Long-read sequencing
Chromosome-scale assembly
Genome-wide analysis
url http://www.sciencedirect.com/science/article/pii/S2949924024000077
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