Functional profiling of the Tritrichomonas foetus transcriptome and proteome

Kuo Yang Huang, Jhy-Wei Shin, Po Jung Huang, Fu Man Ku, Wei-Chen Lin, Rose Lin, Wei Min Hsu, Petrus Tang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Tritrichomonas foetus is a potent veterinary pathogen, causing bovine and feline trichomoniasis. The principal clinical manifestation of infection in cattle is inflammation of the genital tract and infertility. In feline, the parasite causes large-bowel disease resulting in chronic diarrhea. In contrast to other well-studied protozoan, genetic data regarding the molecular characterization and expression in T. foetus is far less understood. In this study, the first large-scale T. foetus expressed sequence tag (TfEST) project was conducted on 5064 randomly selected EST clones from a non-normalized unidirectional Tf30924 cDNA library. Assembling of 5064 single-pass sequences from the 5′ end resulted in 713 contigs and 1961 singlets. BLAST search revealed that 53.52% of the unigenes showed significant similarity to known sequences or protein motifs/domains. Functional classifications indicated that most of the unigenes are involved in translation, ribosomal structure and ribosome biogenesis. The average GC content of the T. foetus transcriptome is 40.93%. Intriguingly, only 31.29% of the unigenes contain the classical AAUAAA polyadenylation signal sequence at the 3′-UTR region. Furthermore, a panel of potential chemotherapeutic targets was also identified for the first time in T. foetus. The protein expression levels were verified by using two-dimensional electrophoresis and matrix-assisted laser desorption ionization time-of-flight mass spectrometry. A total of 68 highly abundant protein spots were successfully identified in the reference 2-DE map based on our T. foetus-specific protein database. The EST dataset and the reference 2-DE map established in the present study will provide a foundation for future whole genome sequencing project and comparative transcriptomic/proteomic analyses to provide potential drug targets against T. foetus infection.

Original languageEnglish
Pages (from-to)60-71
Number of pages12
JournalMolecular and Biochemical Parasitology
Volume187
Issue number1
DOIs
Publication statusPublished - 2013 Jan 1

Fingerprint

Tritrichomonas foetus
Proteome
Transcriptome
Expressed Sequence Tags
Felidae
Protein Databases
Amino Acid Motifs
Polyadenylation
Base Composition
3' Untranslated Regions
Protein Sorting Signals
Infection
Gene Library
Ribosomes
Proteomics
Infertility
Electrophoresis
Diarrhea
Mass Spectrometry
Parasites

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Molecular Biology

Cite this

Huang, Kuo Yang ; Shin, Jhy-Wei ; Huang, Po Jung ; Ku, Fu Man ; Lin, Wei-Chen ; Lin, Rose ; Hsu, Wei Min ; Tang, Petrus. / Functional profiling of the Tritrichomonas foetus transcriptome and proteome. In: Molecular and Biochemical Parasitology. 2013 ; Vol. 187, No. 1. pp. 60-71.
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abstract = "Tritrichomonas foetus is a potent veterinary pathogen, causing bovine and feline trichomoniasis. The principal clinical manifestation of infection in cattle is inflammation of the genital tract and infertility. In feline, the parasite causes large-bowel disease resulting in chronic diarrhea. In contrast to other well-studied protozoan, genetic data regarding the molecular characterization and expression in T. foetus is far less understood. In this study, the first large-scale T. foetus expressed sequence tag (TfEST) project was conducted on 5064 randomly selected EST clones from a non-normalized unidirectional Tf30924 cDNA library. Assembling of 5064 single-pass sequences from the 5′ end resulted in 713 contigs and 1961 singlets. BLAST search revealed that 53.52{\%} of the unigenes showed significant similarity to known sequences or protein motifs/domains. Functional classifications indicated that most of the unigenes are involved in translation, ribosomal structure and ribosome biogenesis. The average GC content of the T. foetus transcriptome is 40.93{\%}. Intriguingly, only 31.29{\%} of the unigenes contain the classical AAUAAA polyadenylation signal sequence at the 3′-UTR region. Furthermore, a panel of potential chemotherapeutic targets was also identified for the first time in T. foetus. The protein expression levels were verified by using two-dimensional electrophoresis and matrix-assisted laser desorption ionization time-of-flight mass spectrometry. A total of 68 highly abundant protein spots were successfully identified in the reference 2-DE map based on our T. foetus-specific protein database. The EST dataset and the reference 2-DE map established in the present study will provide a foundation for future whole genome sequencing project and comparative transcriptomic/proteomic analyses to provide potential drug targets against T. foetus infection.",
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Functional profiling of the Tritrichomonas foetus transcriptome and proteome. / Huang, Kuo Yang; Shin, Jhy-Wei; Huang, Po Jung; Ku, Fu Man; Lin, Wei-Chen; Lin, Rose; Hsu, Wei Min; Tang, Petrus.

In: Molecular and Biochemical Parasitology, Vol. 187, No. 1, 01.01.2013, p. 60-71.

Research output: Contribution to journalArticle

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