Analyses of the Genetic Diversity and Population Structures of Sporothrix spp. Clinical Isolates from Paraíba, Brazil
2024

Genetic Diversity of Sporothrix spp. in Paraíba, Brazil

Sample size: 36 publication 10 minutes Evidence: moderate

Author Information

Author(s): da Silva Larissa Alves, de Carvalho Jamile Ambrósio, de Oliveira e Lima Luanna, da Silva Neto Francisco Bernardino, de Oliveira Lima Edeltrudes, da Silva Rocha Walicyranison Plínio, de Camargo Zoilo Pires, Rodrigues Anderson Messias, Dulgheroff Ana Carolina Bernardes, Guerra Felipe Queiroga Sarmento

Primary Institution: Federal University of Paraiba (UFPB)

Hypothesis

This study aimed to evaluate the genetic diversity and mating type distribution of clinical isolates of human sporotrichosis in Paraíba, Brazil.

Conclusion

All isolates were identified as Sporothrix brasiliensis, indicating low intergenotypic variation and suggesting a single transmission route in the region.

Supporting Evidence

  • 75% of the cases involved females.
  • 98% of the cases were confirmed to have zoonotic transmission.
  • All isolates were confirmed as S. brasiliensis.

Takeaway

This study looked at a type of fungus that can make people sick, and found that most cases in Paraíba come from cats and are very similar genetically.

Methodology

The study involved morphological identification of 36 clinical isolates, collection of clinical and demographic data, fungal DNA extraction, species-specific PCR, and AFLP analysis.

Limitations

The study only included patients treated at a single hospital in João Pessoa, limiting the generalizability of the findings.

Participant Demographics

The majority of participants were female (75%), with cases primarily involving cutaneous sporotrichosis.

Digital Object Identifier (DOI)

10.3390/jof10120848

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