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Daněk O, Hrbatová A, Volfová K, Ševčíková S, Lesiczka P, Nováková M, Ghodrati S, Hrazdilova K, Veneziano V, Napoli E, Otranto D, Montarsi F, Mihalca AD, Mechouk N, Adamík P, Modrý D, Zurek L. Italian peninsula as a hybridization zone of Ixodes inopinatus and I. ricinus and the prevalence of tick-borne pathogens in I. inopinatus, I. ricinus, and their hybrids. Parasit Vectors 2024; 17:196. [PMID: 38685096 PMCID: PMC11059663 DOI: 10.1186/s13071-024-06271-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Ixodes inopinatus was described from Spain on the basis of morphology and partial sequencing of 16S ribosomal DNA. However, several studies suggested that morphological differences between I. inopinatus and Ixodes ricinus are minimal and that 16S rDNA lacks the power to distinguish the two species. Furthermore, nuclear and mitochondrial markers indicated evidence of hybridization between I. inopinatus and I. ricinus. In this study, we tested our hypothesis on tick dispersal from North Africa to Southern Europe and determined the prevalence of selected tick-borne pathogens (TBPs) in I. inopinatus, I. ricinus, and their hybrids. METHODS Ticks were collected in Italy and Algeria by flagging, identified by sequencing of partial TROSPA and COI genes, and screened for Borrelia burgdorferi s.l., B. miyamotoi, Rickettsia spp., and Anaplasma phagocytophilum by polymerase chain reaction and sequencing of specific markers. RESULTS Out of the 380 ticks, in Italy, 92 were I. ricinus, 3 were I. inopinatus, and 136 were hybrids of the two species. All 149 ticks from Algeria were I. inopinatus. Overall, 60% of ticks were positive for at least one TBP. Borrelia burgdorferi s.l. was detected in 19.5% of ticks, and it was significantly more prevalent in Ixodes ticks from Algeria than in ticks from Italy. Prevalence of Rickettsia spotted fever group (SFG) was 51.1%, with significantly greater prevalence in ticks from Algeria than in ticks from Italy. Borrelia miyamotoi and A. phagocytophilum were detected in low prevalence (0.9% and 5.2%, respectively) and only in ticks from Italy. CONCLUSIONS This study indicates that I. inopinatus is a dominant species in Algeria, while I. ricinus and hybrids were common in Italy. The higher prevalence of B. burgdorferi s.l. and Rickettsia SFG in I. inopinatus compared with that in I. ricinus might be due to geographical and ecological differences between these two tick species. The role of I. inopinatus in the epidemiology of TBPs needs further investigation in the Mediterranean Basin.
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Affiliation(s)
- Ondřej Daněk
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
| | - Alena Hrbatová
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
| | - Karolina Volfová
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
- Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Sylvie Ševčíková
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Prague, Czech Republic
| | - Paulina Lesiczka
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
| | - Markéta Nováková
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Sajjad Ghodrati
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Kristyna Hrazdilova
- Faculty of Medicine in Pilsen, Biomedical Center, Charles University, Pilsen, Czech Republic
| | - Vincenzo Veneziano
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Ettore Napoli
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Valenzano, Italy
- Department of Veterinary Clinical Sciences, City University of Hong Kong, Hong Kong, Hong Kong
| | - Fabrizio Montarsi
- Instituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy
| | - Andrei Daniel Mihalca
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania
| | - Noureddine Mechouk
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania
| | - Peter Adamík
- Department of Zoology, Palacky University Olomouc, Olomouc, Czech Republic
| | - David Modrý
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Ludek Zurek
- CEITEC University of Veterinary Sciences, Brno, Czech Republic.
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Prague, Czech Republic.
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Piloto‐Sardiñas E, Abuin‐Denis L, Maitre A, Foucault‐Simonin A, Corona‐González B, Díaz‐Corona C, Roblejo‐Arias L, Mateos‐Hernández L, Marrero‐Perera R, Obregon D, Svobodová K, Wu‐Chuang A, Cabezas‐Cruz A. Dynamic nesting of Anaplasma marginale in the microbial communities of Rhipicephalus microplus. Ecol Evol 2024; 14:e11228. [PMID: 38571811 PMCID: PMC10985379 DOI: 10.1002/ece3.11228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/15/2024] [Accepted: 03/20/2024] [Indexed: 04/05/2024] Open
Abstract
Interactions within the tick microbiome involving symbionts, commensals, and tick-borne pathogens (TBPs) play a pivotal role in disease ecology. This study explored temporal changes in the microbiome of Rhipicephalus microplus, an important cattle tick vector, focusing on its interaction with Anaplasma marginale. To overcome limitations inherent in sampling methods relying on questing ticks, which may not consistently reflect pathogen presence due to variations in exposure to infected hosts in nature, our study focused on ticks fed on chronically infected cattle. This approach ensures continuous pathogen exposure, providing a more comprehensive understanding of the nesting patterns of A. marginale in the R. microplus microbiome. Using next-generation sequencing, microbiome dynamics were characterized over 2 years, revealing significant shifts in diversity, composition, and abundance. Anaplasma marginale exhibited varying associations, with its increased abundance correlating with reduced microbial diversity. Co-occurrence networks demonstrated Anaplasma's evolving role, transitioning from diverse connections to keystone taxa status. An integrative approach involving in silico node removal unveils the impact of Anaplasma on network stability, highlighting its role in conferring robustness to the microbial community. This study provides insights into the intricate interplay between the tick microbiome and A. marginale, shedding light on potential avenues for controlling bovine anaplasmosis through microbiome manipulation.
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Affiliation(s)
- Elianne Piloto‐Sardiñas
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
- Direction of Animal Health, National Center for Animal and Plant HealthCarretera de Tapaste y Autopista NacionalSan José de las LajasCuba
| | - Lianet Abuin‐Denis
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
- Animal Biotechnology DepartmentCenter for Genetic Engineering and BiotechnologyHavanaCuba
| | - Apolline Maitre
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
- INRAE, UR 0045 Laboratoire de Recherches Sur Le Développement de L'Elevage (SELMET‐LRDE)CorteFrance
- EA 7310, Laboratoire de Virologie, Université de CorseCorteFrance
| | - Angélique Foucault‐Simonin
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
| | - Belkis Corona‐González
- Direction of Animal Health, National Center for Animal and Plant HealthCarretera de Tapaste y Autopista NacionalSan José de las LajasCuba
| | - Cristian Díaz‐Corona
- Direction of Animal Health, National Center for Animal and Plant HealthCarretera de Tapaste y Autopista NacionalSan José de las LajasCuba
| | - Lisset Roblejo‐Arias
- Direction of Animal Health, National Center for Animal and Plant HealthCarretera de Tapaste y Autopista NacionalSan José de las LajasCuba
| | - Lourdes Mateos‐Hernández
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
| | - Roxana Marrero‐Perera
- Direction of Animal Health, National Center for Animal and Plant HealthCarretera de Tapaste y Autopista NacionalSan José de las LajasCuba
| | - Dasiel Obregon
- School of Environmental SciencesUniversity of GuelphGuelphOntarioCanada
| | - Karolína Svobodová
- Faculty of ScienceUniversity of South BohemiaCeske BudejoviceCzech Republic
| | - Alejandra Wu‐Chuang
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
| | - Alejandro Cabezas‐Cruz
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
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3
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Zając Z, Obregon D, Foucault-Simonin A, Wu-Chuang A, Moutailler S, Galon C, Kulisz J, Woźniak A, Bartosik K, Cabezas-Cruz A. Disparate dynamics of pathogen prevalence in Ixodes ricinus and Dermacentor reticulatus ticks occurring sympatrically in diverse habitats. Sci Rep 2023; 13:10645. [PMID: 37391552 PMCID: PMC10313804 DOI: 10.1038/s41598-023-37748-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 06/27/2023] [Indexed: 07/02/2023] Open
Abstract
Ixodes ricinus and Dermacentor reticulatus ticks are important reservoirs and vectors of pathogens. The aim of the present study was to investigate the dynamic of the prevalence and genetic diversity of microorganisms detected in these tick species collected from two ecologically diverse biotopes undergoing disparate long-term climate condition. High-throughput real time PCR confirmed high prevalence of microorganisms detected in sympatrically occurring ticks species. D. reticulatus specimens were the most often infected with Francisella-like endosymbiont (FLE) (up to 100.0%) and Rickettsia spp. (up to 91.7%), while in case of I. ricinus the prevalence of Borreliaceae spirochetes reached up to 25.0%. Moreover, pathogens belonging to genera of Bartonella, Anaplasma, Ehrlichia and Babesia were detected in both tick species regardless the biotope. On the other hand, Neoehrlichia mikurensis was conformed only in I. ricinus in the forest biotope, while genetic material of Theileria spp. was found only in D. reticulatus collected from the meadow. Our study confirmed significant impact of biotope type on prevalence of representatives of Borreliaceae and Rickettsiaceae families. The most common co-infection detected in D. reticulatus was Rickettsia spp. + FLE, while Borreliaceae + R. helvetica was the most common in I. ricinus. Additionally, we found significant genetic diversity of R. raoultii gltA gene across studied years, however such relationship was not observed in ticks from studied biotopes. Our results suggest that ecological type of biotope undergoing disparate long-term climate conditions have an impact on prevalence of tick-borne pathogens in adult D. reticulatus and I. ricinus.
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Affiliation(s)
- Zbigniew Zając
- Department of Biology and Parasitology, Medical University of Lublin, Radziwiłłowska 11 St, 20-080, Lublin, Poland.
| | - Dasiel Obregon
- School of Environmental Sciences University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - Angélique Foucault-Simonin
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, 94700, Maisons-Alfort, France
| | - Alejandra Wu-Chuang
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, 94700, Maisons-Alfort, France
| | - Sara Moutailler
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, 94700, Maisons-Alfort, France
| | - Clemence Galon
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, 94700, Maisons-Alfort, France
| | - Joanna Kulisz
- Department of Biology and Parasitology, Medical University of Lublin, Radziwiłłowska 11 St, 20-080, Lublin, Poland
| | - Aneta Woźniak
- Department of Biology and Parasitology, Medical University of Lublin, Radziwiłłowska 11 St, 20-080, Lublin, Poland
| | - Katarzyna Bartosik
- Department of Biology and Parasitology, Medical University of Lublin, Radziwiłłowska 11 St, 20-080, Lublin, Poland
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, 94700, Maisons-Alfort, France.
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4
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Cleveland DW, Anderson CC, Brissette CA. Borrelia miyamotoi: A Comprehensive Review. Pathogens 2023; 12:267. [PMID: 36839539 PMCID: PMC9967256 DOI: 10.3390/pathogens12020267] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/10/2023] Open
Abstract
Borrelia miyamotoi is an emerging tick-borne pathogen in the Northern Hemisphere and is the causative agent of Borrelia miyamotoi disease (BMD). Borrelia miyamotoi is vectored by the same hard-bodied ticks as Lyme disease Borrelia, yet phylogenetically groups with relapsing fever Borrelia, and thus, has been uniquely labeled a hard tick-borne relapsing fever Borrelia. Burgeoning research has uncovered new aspects of B. miyamotoi in human patients, nature, and the lab. Of particular interest are novel findings on disease pathology, prevalence, diagnostic methods, ecological maintenance, transmission, and genetic characteristics. Herein, we review recent literature on B. miyamotoi, discuss how findings adapt to current Borrelia doctrines, and briefly consider what remains unknown about B. miyamotoi.
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Affiliation(s)
| | | | - Catherine A. Brissette
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, ND 58202, USA
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5
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Militzer N, Pinecki Socias S, Nijhof AM. Changes in the Ixodes ricinus microbiome associated with artificial tick feeding. Front Microbiol 2023; 13:1050063. [PMID: 36704557 PMCID: PMC9871825 DOI: 10.3389/fmicb.2022.1050063] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Artificial tick feeding systems (ATFS) can be used to study tick biology and tick-pathogen interactions. Due to the long feeding duration of hard ticks, antibiotics are commonly added to the in vitro blood meal to prevent the blood from decaying. This may affect the ticks' microbiome, including mutualistic bacteria that play an important role in tick biology. This effect was examined by the consecutive feeding of Ixodes ricinus larvae, nymphs, and adults in vitro with and without the supplementation of gentamicin and in parallel on calves. DNA extracted from unfed females was analyzed by 16S rRNA sequencing. The abundance of Candidatus Midichloria mitochondrii, Rickettsia helvetica and Spiroplasma spp. was measured by qPCR in unfed larvae, nymphs, and adults. Larvae and nymphs fed on calves performed significantly better compared to both in vitro groups. Adults fed on blood supplemented with gentamicin and B vitamins had a higher detachment proportion and weight compared to the group fed with B vitamins but without gentamicin. The detachment proportion and weights of females did not differ significantly between ticks fed on calves and in vitro with gentamicin, but the fecundity was significantly higher in ticks fed on calves. 16S rRNA sequencing showed a higher microbiome species richness in ticks fed on calves compared to ticks fed in vitro. A shift in microbiome composition, with Ca. Midichloria mitochondrii as dominant species in females fed as juveniles on calves and R. helvetica as the most abundant species in females previously fed in vitro was observed. Females fed in vitro without gentamicin showed significant lower loads of Ca. M. mitochondrii compared to females fed in vitro with gentamicin and ticks fed on calves. Spiroplasma spp. were exclusively detected in female ticks fed on cattle by qPCR, but 16S rRNA sequencing results also showed a low abundance in in vitro females exposed to gentamicin. In conclusion, the employed feeding method and gentamicin supplementation affected the ticks' microbiome composition and fecundity. Since these changes may have an impact on tick biology and vector competence, they should be taken into account in studies employing ATFS.
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Affiliation(s)
- Nina Militzer
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Sophia Pinecki Socias
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Ard M. Nijhof
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Berlin, Germany,Veterinary Centre for Resistance Research, Freie Universität Berlin, Berlin, Germany,*Correspondence: Ard M. Nijhof, ✉
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6
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Wiesinger A, Wenderlein J, Ulrich S, Hiereth S, Chitimia-Dobler L, Straubinger RK. Revealing the Tick Microbiome: Insights into Midgut and Salivary Gland Microbiota of Female Ixodes ricinus Ticks. Int J Mol Sci 2023; 24:ijms24021100. [PMID: 36674613 PMCID: PMC9864629 DOI: 10.3390/ijms24021100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 12/30/2022] [Accepted: 01/02/2023] [Indexed: 01/09/2023] Open
Abstract
The ectoparasite Ixodes ricinus is an important vector for many tick-borne diseases (TBD) in the northern hemisphere, such as Lyme borreliosis, rickettsiosis, human granulocytic anaplasmosis, or tick-borne encephalitis virus. As climate change will lead to rising temperatures in the next years, we expect an increase in tick activity, tick population, and thus in the spread of TBD. Consequently, it has never been more critical to understand relationships within the microbial communities in ticks that might contribute to the tick's fitness and the occurrence of TBD. Therefore, we analyzed the microbiota in different tick tissues such as midgut, salivary glands, and residual tick material, as well as the microbiota in complete Ixodes ricinus ticks using 16S rRNA gene amplicon sequencing. By using a newly developed DNA extraction protocol for tick tissue samples and a self-designed mock community, we were able to detect endosymbionts and pathogens that have been described in the literature previously. Further, this study displayed the usefulness of including a mock community during bioinformatic analysis to identify essential bacteria within the tick.
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Affiliation(s)
- Anna Wiesinger
- Chair of Bacteriology and Mycology, Institute for Infectious Diseases and Zoonosis, Department of Veterinary Sciences, Faculty of Veterinary Medicine, LMU Munich, 80539 Munich, Germany
| | - Jasmin Wenderlein
- Chair of Bacteriology and Mycology, Institute for Infectious Diseases and Zoonosis, Department of Veterinary Sciences, Faculty of Veterinary Medicine, LMU Munich, 80539 Munich, Germany
| | - Sebastian Ulrich
- Chair of Bacteriology and Mycology, Institute for Infectious Diseases and Zoonosis, Department of Veterinary Sciences, Faculty of Veterinary Medicine, LMU Munich, 80539 Munich, Germany
| | - Stephanie Hiereth
- Chair of Bacteriology and Mycology, Institute for Infectious Diseases and Zoonosis, Department of Veterinary Sciences, Faculty of Veterinary Medicine, LMU Munich, 80539 Munich, Germany
| | - Lidia Chitimia-Dobler
- Bundeswehr Institute of Microbiology (InstMikroBioBw), Neuherbergstraße 11, 80937 Munich, Germany
| | - Reinhard K. Straubinger
- Chair of Bacteriology and Mycology, Institute for Infectious Diseases and Zoonosis, Department of Veterinary Sciences, Faculty of Veterinary Medicine, LMU Munich, 80539 Munich, Germany
- Correspondence:
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7
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Hodosi R, Kazimirova M, Soltys K. What do we know about the microbiome of I. ricinus? Front Cell Infect Microbiol 2022; 12:990889. [PMID: 36467722 PMCID: PMC9709289 DOI: 10.3389/fcimb.2022.990889] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 10/17/2022] [Indexed: 10/07/2023] Open
Abstract
I. ricinus is an obligate hematophagous parasitic arthropod that is responsible for the transmission of a wide range of zoonotic pathogens including spirochetes of the genus Borrelia, Rickettsia spp., C. burnetii, Anaplasma phagocytophilum and Francisella tularensis, which are part the tick´s microbiome. Most of the studies focus on "pathogens" and only very few elucidate the role of "non-pathogenic" symbiotic microorganisms in I. ricinus. While most of the members of the microbiome are leading an intracellular lifestyle, they are able to complement tick´s nutrition and stress response having a great impact on tick´s survival and transmission of pathogens. The composition of the tick´s microbiome is not consistent and can be tied to the environment, tick species, developmental stage, or specific organ or tissue. Ovarian tissue harbors a stable microbiome consisting mainly but not exclusively of endosymbiotic bacteria, while the microbiome of the digestive system is rather unstable, and together with salivary glands, is mostly comprised of pathogens. The most prevalent endosymbionts found in ticks are Rickettsia spp., Ricketsiella spp., Coxiella-like and Francisella-like endosymbionts, Spiroplasma spp. and Candidatus Midichloria spp. Since microorganisms can modify ticks' behavior, such as mobility, feeding or saliva production, which results in increased survival rates, we aimed to elucidate the potential, tight relationship, and interaction between bacteria of the I. ricinus microbiome. Here we show that endosymbionts including Coxiella-like spp., can provide I. ricinus with different types of vitamin B (B2, B6, B7, B9) essential for eukaryotic organisms. Furthermore, we hypothesize that survival of Wolbachia spp., or the bacterial pathogen A. phagocytophilum can be supported by the tick itself since coinfection with symbiotic Spiroplasma ixodetis provides I. ricinus with complete metabolic pathway of folate biosynthesis necessary for DNA synthesis and cell division. Manipulation of tick´s endosymbiotic microbiome could present a perspective way of I. ricinus control and regulation of spread of emerging bacterial pathogens.
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Affiliation(s)
- Richard Hodosi
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
| | - Maria Kazimirova
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Katarina Soltys
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
- Comenius University Science Park, Comenius University in Bratislava, Bratislava, Slovakia
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8
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Buglione M, Ricca E, Petrelli S, Baccigalupi L, Troiano C, Saggese A, Rivieccio E, Fulgione D. Gut microbiota plasticity in insular lizards under reversed island syndrome. Sci Rep 2022; 12:12682. [PMID: 35879521 PMCID: PMC9314426 DOI: 10.1038/s41598-022-16955-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 07/19/2022] [Indexed: 11/28/2022] Open
Abstract
Animals living on small islands are more drastically exposed to environmental changes, such as food or water starvation, and rapid temperature shifts. Facing such conditions, and probably thank to adaptive plasticity mechanisms, some animals display a Reversed Island Syndrome (RIS), a suite of traits, including skin pigmentation, voracity, sexual dimorphism, showed differently from mainland relatives. Here, we analyse a so far poorly explored aspect of RIS: the effect of this on the microbiota composition of host Italian wall lizard (Podarcis siculus), strongly influenced by the animal’s lifestyle, and conditioning the same. We compare mainland and island populations, assessing the difference between their microbial communities and their response under unexpected food, experimentally provided. Our observations showed a significant difference in microbiota communities between island and mainland groups, depended mainly from changes in relative abundance of the shared genera (difference due to decrease/increase). Exposure to experimental diet regimes resulted into significative reshaping of bacterial composition of microbiota and a greater variation in body mass only in the island population. Our results could be an evidence that gut microbial community contributes to adaptive plasticity mechanisms of island lizards under RIS to efficiently respond to unexpected changes.
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Affiliation(s)
- Maria Buglione
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy
| | - Ezio Ricca
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy.,Task Force of the Federico II University for Microbiome Studies, Naples, Italy
| | - Simona Petrelli
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy
| | - Loredana Baccigalupi
- Task Force of the Federico II University for Microbiome Studies, Naples, Italy.,Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Claudia Troiano
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy
| | - Anella Saggese
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy
| | - Eleonora Rivieccio
- Department of Humanities, University of Naples Federico II, Naples, Italy
| | - Domenico Fulgione
- Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy. .,Task Force of the Federico II University for Microbiome Studies, Naples, Italy.
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