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Ribeiro JM, Hartmann D, Bartošová-Sojková P, Debat H, Moos M, Šimek P, Fara J, Palus M, Kučera M, Hajdušek O, Sojka D, Kopáček P, Perner J. Blood-feeding adaptations and virome assessment of the poultry red mite Dermanyssus gallinae guided by RNA-seq. Commun Biol 2023; 6:517. [PMID: 37179447 PMCID: PMC10183022 DOI: 10.1038/s42003-023-04907-x] [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: 05/20/2022] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
Dermanyssus gallinae is a blood-feeding mite that parasitises wild birds and farmed poultry. Its remarkably swift processing of blood, together with the capacity to blood-feed during most developmental stages, makes this mite a highly debilitating pest. To identify specific adaptations to digestion of a haemoglobin-rich diet, we constructed and compared transcriptomes from starved and blood-fed stages of the parasite and identified midgut-enriched transcripts. We noted that midgut transcripts encoding cysteine proteases were upregulated with a blood meal. Mapping the full proteolytic apparatus, we noted a reduction in the suite of cysteine proteases, missing homologues for Cathepsin B and C. We have further identified and phylogenetically analysed three distinct transcripts encoding vitellogenins that facilitate the reproductive capacity of the mites. We also fully mapped transcripts for haem biosynthesis and the ferritin-based system of iron storage and inter-tissue trafficking. Additionally, we identified transcripts encoding proteins implicated in immune signalling (Toll and IMD pathways) and activity (defensins and thioester-containing proteins), RNAi, and ion channelling (with targets for commercial acaricides such as Fluralaner, Fipronil, and Ivermectin). Viral sequences were filtered from the Illumina reads and we described, in part, the RNA-virome of D. gallinae with identification of a novel virus, Red mite quaranjavirus 1.
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Affiliation(s)
- José M Ribeiro
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - David Hartmann
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Pavla Bartošová-Sojková
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Humberto Debat
- Instituto de Patología Vegetal, Centro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA), Córdoba, Argentina
| | - Martin Moos
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Petr Šimek
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Jiří Fara
- International Poultry Testing Station Ústrašice, Ústrašice, Czech Republic
| | - Martin Palus
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Matěj Kučera
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Ondřej Hajdušek
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Daniel Sojka
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Petr Kopáček
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic
| | - Jan Perner
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005, České Budějovice, Czech Republic.
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Ebani VV, Mancianti F. Entomopathogenic Fungi and Bacteria in a Veterinary Perspective. BIOLOGY 2021; 10:biology10060479. [PMID: 34071435 PMCID: PMC8229426 DOI: 10.3390/biology10060479] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/21/2021] [Accepted: 05/25/2021] [Indexed: 12/22/2022]
Abstract
Simple Summary Several fungal species are well suited to control arthropods, being able to cause epizootic infection among them and most of them infect their host by direct penetration through the arthropod’s tegument. Most of organisms are related to the biological control of crop pests, but, more recently, have been applied to combat some livestock ectoparasites. Among the entomopathogenic bacteria, Bacillus thuringiensis, innocuous for humans, animals, and plants and isolated from different environments, showed the most relevant activity against arthropods. Its entomopathogenic property is related to the production of highly biodegradable proteins. Entomopathogenic fungi and bacteria are usually employed against agricultural pests, and some studies have focused on their use to control animal arthropods. However, risks of infections in animals and humans are possible; thus, further studies about their activity are necessary. Abstract The present study aimed to review the papers dealing with the biological activity of fungi and bacteria against some mites and ticks of veterinary interest. In particular, the attention was turned to the research regarding acarid species, Dermanyssus gallinae and Psoroptes sp., which are the cause of severe threat in farm animals and, regarding ticks, also pets. Their impact on animal and human health has been stressed, examining the weaknesses and strengths of conventional treatments. Bacillus thuringiensis, Beauveria bassiana and Metarhizium anisopliae are the most widely employed agents. Their activities have been reviewed, considering the feasibility of an in-field application and the effectiveness of the administration alone or combined with conventional and alternative drugs is reported.
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Affiliation(s)
- Valentina Virginia Ebani
- Department of Veterinary Sciences, University of Pisa, viale delle Piagge 2, 56124 Pisa, Italy;
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy
- Correspondence: ; Tel.: +39-050-221-6968
| | - Francesca Mancianti
- Department of Veterinary Sciences, University of Pisa, viale delle Piagge 2, 56124 Pisa, Italy;
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy
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Alves LFA, de Oliveira DGP, Pares RB, Sparagano OAE, Godinho RP. Association of mechanical cleaning and a liquid preparation of diatomaceous earth in the management of poultry red mite, Dermanyssus gallinae (Mesostigmata: Dermanyssidae). EXPERIMENTAL & APPLIED ACAROLOGY 2020; 81:215-222. [PMID: 32378067 DOI: 10.1007/s10493-020-00497-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
The poultry red mite (PRM), Dermanyssus gallinae, is an ectoparasite of great importance related to poultry farms worldwide. Problems associated with its control have led to the search for alternative treatments, especially using inert dust, which has recently been introduced into liquid formulations. Therefore, the objective of this work was to evaluate the acaricidal activity of a liquid diatomaceous earth (DE) preparation in the laboratory and its association with mechanical cleaning (brushing) in the field. In the laboratory it was first determined that a concentration of 10% DE would be necessary for field applications. The field experiment was conducted in a commercial poultry house. The 10% DE liquid preparation was administered in three applications and associated to mechanical cleaning. Then, 42 days after the first DE application, a population reduction of 94.7% was observed in relation to the initial population of mites. These results confirm the efficiency of DE applications in association with mechanical cleaning already adopted in poultry houses as an alternative for the control of D. gallinae, which can also contribute to avoiding mite resistance to chemical acaricides.
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Affiliation(s)
| | | | - Rafaela Barbosa Pares
- Agricultural Biotechnology Lab, Western Paraná State University, Cascavel, PR, Brazil
| | - Olivier A E Sparagano
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong, Hong Kong SAR
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Nascimento MM, Alves LFA, de Oliveira DGP, Lopes RB, Guimarães ATB. Laboratory and field evaluation of an autoinoculation device as a tool to manage poultry red mite, Dermanyssus gallinae, infestations with Beauveria bassiana. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 80:151-165. [PMID: 31950300 DOI: 10.1007/s10493-020-00466-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 01/03/2020] [Indexed: 06/10/2023]
Abstract
The poultry red mite, Dermanyssus gallinae, is a cosmopolitan ectoparasite in hens and has been considered an important threat to the egg production industry. This study evaluated an alternative to manage poultry red mite populations as a complement to conventional chemical treatments and other control strategies in poultry houses. A simple autoinoculation device prepared with corrugated cardboard (CB) or loofah sponge (LS) as inert supports to anchor Beauveria bassiana conidia was used to aggregate and infect mites from infested poultry houses. In the laboratory, mites gathered inside the traps and the average mortalities by the fungus were higher than 70% in CB and LS traps after 5 and 4 days of exposure, respectively. Conidial viability was around 80% in CB and LS traps after 14 and 60 days under unrefrigerated conditions (26 °C), respectively. Both trap types tied to hen cages efficiently captured fed mites after blood meal, and fungal infection was observed in 65-90% of the mites in field tests. Between 5 and 25% of the mites recaptured in monitoring cardboard traps installed immediately after CB and LS removal were infected by B. bassiana. According to our results, the use of B. bassiana in an autoinoculation strategy is a potential alternative method for D. gallinae control.
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Affiliation(s)
| | | | | | - Rogerio Biaggioni Lopes
- Embrapa Genetic Resources and Biotechnology, Brazilian Agricultural Research Corporation (EMBRAPA), Brasília, DF, 70770-917, Brazil
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