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Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan
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Bartonella spp. in bats, Kenya.

Michael Kosoy1, Ying Bai, Tarah Lynch

  • 1Centers for Disease Control and Prevention, Fort Collins, Colorado 80521, USA. mck3@cdc.gov

Emerging Infectious Diseases
|December 3, 2010
PubMed
Summary

Bartonella bacteria were found in multiple bat species across Kenya, with diverse strains showing distinct patterns within specific hosts. Further research is needed to assess potential human health risks from these bat-associated Bartonella.

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Area of Science:

  • Veterinary Microbiology
  • Zoonotic Diseases
  • Bat Ecology

Background:

  • Bartonella species are known tick-borne bacteria that can infect a wide range of mammals, including bats.
  • Bats are reservoirs for various pathogens, and their role in the transmission of Bartonella to other animals and humans is not fully understood.
  • Understanding Bartonella diversity in bats is crucial for assessing potential zoonotic risks.

Purpose of the Study:

  • To investigate the presence and genetic diversity of Bartonella species in various bat populations in Kenya.
  • To determine the phylogenetic relationships of Bartonella isolates within different bat species.
  • To identify potential bat species that may act as reservoirs for Bartonella in the region.

Main Methods:

  • Bat specimens from 13 insectivorous and frugivorous species were collected from diverse locations in Kenya.
  • Bartonella isolates were obtained from blood or tissue samples of bats, including Eidolon helvum, Rousettus aegyptiacus, Coleura afra, Triaenops persicus, Hipposideros commersoni, and Miniopterus spp.
  • Sequence analysis of the citrate synthase (gltA) gene was performed to identify and differentiate Bartonella strains.

Main Results:

  • Bartonella spp. were detected in multiple bat species, with isolates recovered from Eidolon helvum, Rousettus aegyptiacus, Coleura afra, Triaenops persicus, Hipposideros commersoni, and Miniopterus spp.
  • Sequence analysis revealed a significant diversity of Bartonella strains, with isolates clustering phylogenetically within specific host bat species.
  • Distinct monophyletic groups of Bartonella were observed in Rousettus aegyptiacus, Coleura afra, and Triaenops persicus, while Eidolon helvum and Miniopterus spp. harbored strains belonging to multiple phylogenetic clusters.

Conclusions:

  • This study confirms the presence and highlights the genetic diversity of Bartonella in Kenyan bats.
  • Phylogenetic analysis indicates host-specific clustering of Bartonella strains in some bat species, suggesting co-evolutionary patterns.
  • Further research is warranted to elucidate the public health implications of these bat-associated Bartonella infections in Kenya.