Genetic characterization of flea-derived Bartonella species from native animals in Australia suggests host–parasite co-evolution

Kaewmongkol, Gunn; Kaewmongkol, Sarawan; McInnes, Linda M.; Burmej, Halina; Bennett, Mark D.; Adams, Peter J.; Ryan, Una; Irwin, Peter; Fenwick, Stanley G.

doi:10.1016/j.meegid.2011.07.021

Cited by 18 publications

(16 citation statements)

References 25 publications

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“…Moreover, this study shows the detection of B. coopersplainsensis in black rats from Spain and Italy for the first time. Bartonella coopersplainsensis , first described in 2009, was found previously in several different rat species from South East Asia and Australia . However, two studies reported B. coopersplainsensis also in Norway rats from Greece and Turkey .…”

Section: Discussionmentioning

confidence: 94%

“…Bartonella coopersplainsensis, first described in 2009, was found previously in several different rat species from South East Asia and Australia. 45 However, two studies reported B. coopersplainsensis also in Norway rats from Greece and Turkey. 46,47 In combination with our findings, we conclude that B. coopersplainsensis is found in southern European countries rather than in Central Europe.…”

Section: Discussionmentioning

confidence: 99%

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Norway and black rats in Europe: potential reservoirs for zoonotic arthropod‐borne pathogens?

Obiegala

Heuser

Ryll

et al. 2019

Pest Management Science

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BACKGROUND Norway rats (Rattus norvegicus) and black rats (R. rattus) are known to be cosmopolitan reservoirs for zoonotic agents. Nevertheless, little is known about prevalence and distribution of arthropod‐borne pathogens in rats from Europe. Therefore, this survey focused on the detection of arthropod‐borne pathogens. Spleen‐derived DNA samples were available from 528 Norway rats and 74 black rats collected in several European countries. Further, these samples were processed by polymerase chain reaction for the detection of zoonotic pathogens such as Anaplasma phagocytophilum, Candidatus Neoehrlichia mikurensis (CNM), Babesia spp. and Bartonella spp. eventually followed by sequencing. RESULTS Babesia spp. was not detected. Four Norway rat samples were positive for A. phagocytophilum DNA and two for CNM. In 50 rat samples, Bartonella spp. DNA was detected (8.1%; 95% Confidence interval (CI) 6.2–10.61). Whereas B. tribocorum (n = 45) and B. grahamii (n = 1) were carried exclusively in Norway rats from Central Europe (Belgium, Germany), B. coopersplainsensis (n = 4) was detected only in black rats from southern European countries (Spain, Italy). CONCLUSIONS Pathogenic Bartonella spp. DNA was found in black and Norway rats from Germany, Italy, Spain and Belgium for the first time. Bartonellae were found focally in zoos suggesting Norway rats as a possible reservoir for B. tribocorum and black rats as a reservoir for B. coopersplainsensis in Europe. These findings should raise awareness of pathogenic Bartonella spp. in Norway rats, especially in terms of pest management control in zoos. Norway and black rats seem not to be predominantly involved in the life cycle of the other examined arthropod‐borne pathogens in Europe. © 2019 Society of Chemical Industry

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Norway and black rats in Europe: potential reservoirs for zoonotic arthropod‐borne pathogens?

Obiegala

Heuser

Ryll

et al. 2019

Pest Management Science

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“…Due to the limited size and region of the 16S amplicon generated in the present study, there were insufficient relevant reference sequences available from other Australian Bartonella species for comparison. A study by Kaewmongkol et al (2011b) into flea-derived Bartonella from native and introduced Australian species suggests co-evolution of marsupial hosts, their fleas and the Bartonella species.…”

Section: Discussionmentioning

confidence: 99%

Bacterial community profiling highlights complex diversity and novel organisms in wildlife ticks

Egan

Loh

Banks

et al. 2019

Preprint

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Ticks (Acari: Ixodida) transmit a greater variety of pathogens than any other blood-feeding 1 2 arthropod. While numerous microbes have been identified inhabiting Australian Ixodidae, some of which are related to globally important tick-borne pathogens, little is known about the bacterial communities within ticks collected from Australian wildlife. In this study, 1,019 ticks were identified on 221 hosts spanning 27 wildlife species. Next-generation sequencing was used to amplify the V1-2 hypervariable region of the bacterial 16S rRNA gene from 238 ticks; Amblyomma triguttatum (n=6), Bothriocroton auruginans (n=11), Bothriocroton concolor (n=20), Haemaphysalis bancrofti (n=10), Haemaphysalis bremneri (n=4), Haemaphysalis humerosa (n=13), Haemaphysalis longicornis (n=4), Ixodes antechini (n=29), Ixodes australiensis (n=26), Ixodes fecialis (n=13), Ixodes holocyclus (n=37), Ixodes myrmecobii (n=1), Ixodes ornithorhynchi (n=10), Ixodes tasmani (n=51) and Ixodes trichosuri (n=3). After bioinformatic analyses, over 14 million assigned bacterial sequences revealed the presence of newly described bacteria 'Ca. Borrelia tachyglossi', 'Ca. Neoehrlichia australis', 'Ca. Neoehrlichia arcana' and 'Ca. Ehrlichia ornithorhynchi'. Furthermore, three novel Anaplasmataceae species were identified including; a Neoehrlichia sp. in I. australiensis and I. fecialis ex quenda (Isoodon fusciventer) (Western Australia), an Anaplasma sp. from one B. concolor ex echidna (Tachyglossus aculeatus) (New SouthWales), and an Ehrlichia sp. from a single I. fecialis parasitising a quenda (WA). This study highlights the diversity of bacterial genera harboured within wildlife ticks, which may prove to be of medical and/or veterinary importance in the future.

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“…Previous studies showed that fleas have a high level of genetic intraspecific variation (Dittmar & Whiting, 2003;Brinkerhoff et al, 2011). Thus, several authors in the last 10 years (Kaewmongkol et al, 2011;Lawrence et al, 2014;Zhu et al, 2015;Zurita et al, 2015Zurita et al, , 2016 have used mitochondrial DNA markers such as cox1, coxII or cytb as reference molecular markers in order to investigate the phylogenetic and taxonomic relationships in fleas at family, genus and species level.…”

Section: Introductionmentioning

confidence: 99%

Morphological, biometrical and molecular characterization of Archaeopsylla erinacei (Bouché, 1835)

Zurita

Callejón

Rojas

et al. 2017

Bull. Entomol. Res.

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In the present work, we carried out a morphological, biometrical and molecular study of the species Archaeopsylla erinacei (Bouché, 1835) and their subspecies: Archaeopsylla erinacei erinacei (Bouché, 1835) and Archaeopsylla erinacei maura (Jordan & Rothschild, 1912) isolated from hedgehogs (Erinaceus europaeus) from different geographical regions (Seville and Corse). We have found morphological differences in females of A. erinacei from the same geographical origin that did not correspond with molecular differences. We suggest that some morphological characters traditionally used to discriminate females of both subspecies should be revised as well as we set the total length of the spermatheca as a valid criterion in order to discriminate between both subspecies. The Internal Transcribed Spacers 1 and 2 (ITS1, ITS2) and partial 18S rRNA gene, and partial cytochrome c-oxidase 1 (cox1) and cytochrome b (cytb) mtDNA gene sequences were determined to clarify the taxonomic status of these taxa and to assess intra-specific and intra-population similarity. In addition, a phylogenetic analysis with other species of fleas using Bayesian and Maximum Likelihood analysis was performed. All molecular markers used, except 18S, showed molecular differences between populations corresponding with geographical origins. Thus, based on the phylogenetic and molecular study of two nuclear markers (ITS1, ITS2) and two mitochondrial markers (cox1 and cytb), as well as concatenated sequences of both subspecies, we reported the existence of two geographical genetic lineages in A. erinacei corresponding with two different subspecies: A. e. erinacei (Corse, France) and A. e. maura (Seville, Spain), that could be discriminated by polymerase chain reaction-linked random-fragment-length polymorphism.

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Genetic characterization of flea-derived Bartonella species from native animals in Australia suggests host–parasite co-evolution

Cited by 18 publications

References 25 publications

Norway and black rats in Europe: potential reservoirs for zoonotic arthropod‐borne pathogens?

Norway and black rats in Europe: potential reservoirs for zoonotic arthropod‐borne pathogens?

Bacterial community profiling highlights complex diversity and novel organisms in wildlife ticks

Morphological, biometrical and molecular characterization of Archaeopsylla erinacei (Bouché, 1835)

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