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Updated: Nov 30, 2025

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Published on: September 12, 2018
Comparative genomics of Sporothrix species and identification of putative pathogenic-gene determinants
Hariprasath Prakash1, Ponmurugan Karuppiah2, Naif A Al-Dhabi2
1Department of Medical Microbiology, Postgraduate Institute of Medical Education & Research, Chandigarh 160012, India.
Abstract:
Aim: To understand the phylogenomics, pathogenic/virulence-associated genes and genomic evolution of pathogenic Sporothrix species. Materials & methods: We performed in silico comparative genome analysis of Sporothrix species using ab initio tools and in-house scripts. We predicted genes and repeats, compared genomes based on synteny, identified orthologous clusters, assessed genes family expansion/contraction, predicted secretory proteins and finally searched for similar sequences from various databases. Results: The phylogenomics revealed that Sporothrix species are closely related to Ophiostoma species. The gene family evolutionary analysis revealed the expansion of genes related to virulence (CFEM domain, iron acquisition genes, lysin motif domain), stress response (Su[var]3-9, Enhancer-of-zeste and Trithorax domain and Domain of unknown function 1996), proteases (aspartic protease, x-pro dipeptidyl-peptidase), cell wall composition associated genes (chitin deacetylase, chitinase) and transporters (major facilitator superfamily transporter, oligo-peptide transporter family) in Sporothrix species. Conclusion: The present study documents the putative pathogenic/virulence-associated genes in the Sporothrix species.
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