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Klimov PB, Hubert J, Erban T, Alejandra Perotti M, Braig HR, Flynt A, He Q, Cui Y. Genomic and metagenomic analyses of the domestic mite Tyrophagus putrescentiae identify it as a widespread environmental contaminant and a host of a basal, mite-specific Wolbachia lineage (supergroup Q). Int J Parasitol 2024:S0020-7519(24)00138-3. [PMID: 38992783 DOI: 10.1016/j.ijpara.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 07/05/2024] [Indexed: 07/13/2024]
Abstract
Tyrophagus putrescentiae (mould mite) is a global, microscopic trophic generalist that commonly occurs in various human-created habitats, causing allergies and damaging stored food. Its ubiquity and extraordinary ability to penetrate research samples or cultures through air currents or by active walking through tights spaces (such as treads of screw caps) may lead to sample contamination and introduction of its DNA to research materials in the laboratory. This prompts a thorough investigation into potential sequence contamination in public genomic databases. The trophic success of T. putrescentiae is primarily attributed to the symbiotic bacteria housed in specialized internal mite structures, facilitating adaptation to varied nutritional niches. However, recent work suggests that horizontal transfer of bacterial/fungal genes related to nutritional functionality may also contribute to the mite's trophic versatility. This aspect requires independent confirmation. Additionally, T. putrescentiae harbors an uncharacterized and genetically divergent bacterium, Wolbachia, displaying blocking and microbiome-modifying effects. The phylogenomic position and supergroup assignment of this bacterium are unknown. Here, we sequenced and assembled the T. putrescentiae genome, analyzed its microbiome, and performed detailed phylogenomic analyses of the mite-specific Wolbachia. We show that T. putrescentiae DNA is a substantial source of contamination of research samples. Its DNA may inadvertently be co-extracted with the DNA of the target organism, eventually leading to sequence contamination in public databases. We identified a diversity of bacterial species associated with T. putrescentiae, including those capable of rapidly developing antibiotic resistance, such as Escherichia coli. Despite the presence of diverse bacterial communities in T. putrescentiae, we did not detect any recent horizontal gene transfers in this mite species and/or in astigmatid (domestic) mites in general. Our phylogenomic analysis of Wolbachia recovered a basal, mite-specific lineage (supergroup Q) represented by two Wolbachia spp. from the mould mite and a gall-inducing plant mite. Fluorescence in situ hybridization confirmed the presence of Wolbachia inside the mould mite. The discovery of an early derivative Wolbachia lineage (supergroup Q) in two phylogenetically unrelated and ecologically dissimilar mites suggests that this endosymbiotic bacterial lineage formed a long-term association with mites. This finding provides a unique insight into the early evolution and host associations of Wolbachia. Further discoveries of Wolbachia diversity in acariform mites are anticipated.
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Affiliation(s)
- Pavel B Klimov
- Purdue University, Department of Biological Sciences, 915 W State St, West Lafayette, IN, USA; Tyumen State University, Institute of Environmental and Agricultural Biology (X-BIO), Tyumen, Russia.
| | - Jan Hubert
- Crop Research Institute, Department of Stored Product and Food Safety, Prague, Czechia; Czech University of Life Science, Faculty of Microbiology Nutrient and Dietics, Prague, Czechia
| | - Tomas Erban
- Crop Research Institute, Department of Stored Product and Food Safety, Prague, Czechia
| | - M Alejandra Perotti
- University of Reading, Ecology and Evolutionary Biology Section, School of Biological Sciences, Reading RG6 6AS, United Kingdom
| | - Henk R Braig
- Institute and Museum of Natural Sciences, Faculty of Natural and Exact Sciences, National University of San Juan, San Juan, J5400 DNQ, Argentina
| | - Alex Flynt
- University of Southern Mississippi, School of Biological, Environmental, and Earth Sciences, Hattiesburg, MS, USA
| | - Qixin He
- Purdue University, Department of Biological Sciences, 915 W State St, West Lafayette, IN, USA.
| | - Yubao Cui
- The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University.Wuxi, PR Chin.
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Espinosa-Zaragoza S, Domínguez-Liévano A, Gómez-Gutiérrez JA, Wong-Villarreal A, Aguilar-Marcelino L, Cerqueda-García D, Rangel-Zaragoza JL, Sanzón-Gómez D, Mireles-Arriaga AI, Sachman-Ruíz B. In vitro Acaricidal Activity of Serratia Ureilytica Against the Dust Mite Tyrophagus Putrescentiae and Identification of Genes Related to Biocontrol. Curr Microbiol 2024; 81:199. [PMID: 38822161 DOI: 10.1007/s00284-024-03728-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/01/2024] [Indexed: 06/02/2024]
Abstract
The present study evaluated the acaricidal activity of three Serratia strains isolated from Mimosa pudica nodules in the Lancandon zone Chiapas, Mexico. The analysis of the genomes based on the Average Nucleotide Identity, the phylogenetic relationships allows the isolates to be placed in the Serria ureilytica clade. The size of the genomes of the three strains is 5.4 Mb, with a GC content of 59%. The Serratia UTS2 strain presented the highest mortality with 61.41% against Tyrophagus putrescentiae followed by the Serratia UTS4 strain with 52.66% and Serratia UTS3 with 47.69% at 72 h at a concentration of 1X109 cell/mL. In the bioinformatic analysis of the genomes, genes related to the synthesis of chitinases, proteases and cellulases were identified, which have been reported for the biocontrol of mites. It is the first report of S. ureilytica with acaricidal activity, which may be an alternative for the biocontrol of stored products with high fat and protein content.
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Affiliation(s)
- Saúl Espinosa-Zaragoza
- Facultad de Ciencias Agrícolas, Universidad Autónoma de Chiapas, 30660, Huehuetán, Mexico
| | - Alexis Domínguez-Liévano
- Departamento Ciencias de La Sustentabilidad, El Colegio de La Frontera Sur, Unidad Tapachula, Chiapas, México
| | - Jaime Adriel Gómez-Gutiérrez
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Morelos Cuernavaca, Morelos, 62209, México
| | | | - Liliana Aguilar-Marcelino
- National Center for Disciplinary Research in Animal Health and Safety (INIFAP), Km 11 Federal Road Cuernavaca-Cuautla, 62550, Jiutepec, MR, Mexico.
| | - Daniel Cerqueda-García
- Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología, A.C. - INECOL.Carretera Antigua a Coatepec No. 351, Col. El Haya, 91073, Xalapa, Ver, México
| | - José Luis Rangel-Zaragoza
- Dirección General de Sanidad Vegetal, Centro Nacional de Referencia Fitosanitaria, Km. 37.5, Carretera Federal México-Pachuca, Av. Centenario de La Educación, Col. Santa Ana, 55740, Tecámac, Edo, Mexico
| | - Diana Sanzón-Gómez
- División Ciencias de La Vida, Departamento de Agronomía, Universidad de Guanajuato, Campus Irapuato-Salamanca, 36500, Irapuato, Mexico
| | - Ana Isabel Mireles-Arriaga
- Departamento de Agronomía, División Ciencias de La Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, 36500, Irapuato, Mexico
| | - Bernardo Sachman-Ruíz
- National Center for Disciplinary Research in Animal Health and Safety (INIFAP), Km 11 Federal Road Cuernavaca-Cuautla, 62550, Jiutepec, MR, Mexico
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Bowman CE. Transitional chelal digit patterns in saprophagous astigmatan mites. EXPERIMENTAL & APPLIED ACAROLOGY 2024; 92:687-737. [PMID: 38622432 PMCID: PMC11065788 DOI: 10.1007/s10493-024-00907-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/07/2024] [Indexed: 04/17/2024]
Abstract
Changes in the functional shape of astigmatan mite moveable digit profiles are examined to test if Tyrophagus putrescentiae (Acaridae) is a trophic intermediate between a typical micro-saprophagous carpoglyphid (Carpoglyphus lactis) and a common macro-saprophagous glycyphagid (Glycyphagus domesticus). Digit tip elongation in these mites is decoupled from the basic physics of optimising moveable digit inertia. Investment in the basal ramus/coronoid process compared to that for the moveable digit mastication length varies with feeding style. A differentiated ascending ramus is indicated in C. lactis and in T. putrescentiae for different trophic reasons. Culturing affects relative investments in C. lactis. A markedly different style of feeding is inferred for the carpoglyphid. The micro-saprophagous acarid does not have an intermediate pattern of trophic functional form between the other two species. Mastication surface shape complexity confirms the acarid to be heterodontous. T. putrescentiae is a particularly variably formed species trophically. A plausible evolutionary path for the gradation of forms is illustrated. Digit form and strengthening to resist bending under occlusive loads is explored in detail. Extensions to the analytical approach are suggested to confirm the decoupling of moveable digit pattern from cheliceral and chelal adaptations. Caution is expressed when interpreting ordinations of multidimensional data in mites.
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Affiliation(s)
- Clive E Bowman
- Mathematical Institute, University of Oxford, Oxford, OX2 6GG, UK.
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Erban T, Sopko B, Klimov PB, Hubert J. Mixta mediterraneensis as a novel and abundant gut symbiont of the allergen-producing domestic mite Blomia tropicalis. EXPERIMENTAL & APPLIED ACAROLOGY 2024; 92:161-181. [PMID: 38227156 DOI: 10.1007/s10493-023-00875-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 12/12/2023] [Indexed: 01/17/2024]
Abstract
Blomia tropicalis is an allergen-producing mite in the human environment in tropical regions. The microbiome of B. tropicalis was described using the barcode sequencing region of V4 16S rDNA and genome assemblage. Mixta mediterraneensis, previously isolated from human skin swabs, was identified as a B. tropicalis gut symbiont based on genome assembly. The microbiome contains two bacteria, Staphylococcus and M. mediterraneensis. The number of M. mediterraneensis 16S DNA copies was 106 per mite and 109 per feces in the rearing chamber based on qPCR quantification. The profile of this bacterium reached 50% of reads in the mite gut and feces. Genomic analyses revealed that the bacterium has several metabolic pathways that suggest metabolic cooperation with the mite host in vitamin and amino acid synthesis, nitrogen recycling, and antimicrobial defense. Lysozyme is present in the symbiotic bacterium but absent in the mite. The B. tropicalis microbiome contained Staphylococcus, which accelerates mite population growth. Mites can digest Staphylococcus by using specific enzymes with hydrolytic functions against bacterial cell walls (chitinases and cathepsin D), leading to endocytosis of bacteria and their degradation in lysosomes and phagosomes. Gene expression analysis of B. tropicalis indicated that phagocytosis was mediated by the PI3-kinase/Akt pathway interacting with the invasins produced by M. mediterraneensis. Moreover, the symbiont had metabolic pathways that allowed it to recycle the mite metabolic waste product guanine, known as a mite attractant. The mite host symbiont enhances mite aggregation in the feces, and the fecal-oral transmission route is excepted.
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Affiliation(s)
- Tomas Erban
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6 - Ruzyne, Czechia
| | - Bruno Sopko
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6 - Ruzyne, Czechia
| | - Pavel B Klimov
- Purdue University, Lilly Hall of Life Sciences, G-225, 915 W State St, West Lafayette, IN, 47907, USA
| | - Jan Hubert
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6 - Ruzyne, Czechia.
- Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00, Prague 6 - Suchdol, Czechia.
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Yang T, Xu Z, Yu J, Liu J, Wang W, Hong S. Exosomes Derived from Dermatophagoides farinae Induce Allergic Airway Inflammation. Microbiol Spectr 2023; 11:e0505422. [PMID: 37314339 PMCID: PMC10434197 DOI: 10.1128/spectrum.05054-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 05/04/2023] [Indexed: 06/15/2023] Open
Abstract
House dust mites (HDMs) are a major source of indoor allergens that cause airway allergic disease. Dermatophagoides farinae, a predominant species of HDMs in China, has demonstrated pathogenic role in allergic disorders. Exosomes derived from human bronchoalveolar lavage fluid have been strongly associated with allergic respiratory diseases progression. However, the pathogenic role of D. farinae-derived exosomes in allergic airway inflammation has remained unclear until now. Here, D. farinae was stirred overnight in phosphate-buffered saline, and the supernatant was used to extract exosomes by ultracentrifugation. Then, shotgun liquid chromatography-tandem mass spectrometry and small RNA sequencing were performed to identify proteins and microRNAs contained in D. farinae exosomes. Immunoblotting, Western blotting, and enzyme-linked immunosorbent assay demonstrated the specific immunoreactivity of D. farinae-specific serum IgE antibody against D. farinae exosomes, and D. farinae exosomes were found to induce allergic airway inflammation in a mouse model. In addition, D. farinae exosomes invaded 16-HBE bronchial epithelial cells and NR8383 alveolar macrophages to release the inflammation-related cytokines interleukin-33 (IL-33), thymic stromal lymphopoietin, tumor necrosis factor alpha, and IL-6, and comparative transcriptomic analysis of 16-HBE and NR8383 cells revealed that immune pathways and immune cytokines/chemokines were involved in the sensitization of D. farinae exosomes. Taken together, our data demonstrate that D. farinae exosomes are immunogenic and may induce allergic airway inflammation via bronchial epithelial cells and alveolar macrophages. IMPORTANCE Dermatophagoides farinae, a predominant species of house dust mites in China, has displayed pathogenic role in allergic disorders, and exosomes derived from human bronchoalveolar lavage fluid have been strongly associated with allergic respiratory diseases progression. However, the pathogenic role of D. farinae-derived exosomes in allergic airway inflammation has remained unclear until now. This study, for the first time, extracted exosomes from D. farinae, and sequenced their protein cargo and microRNAs using shotgun liquid chromatography-tandem mass spectrometry and small RNA sequencing. D. farinae-derived exosomes trigger allergen-specific immune responses and present satisfactory immunogenicity, as revealed by immunoblotting, Western blotting, and enzyme-linked immunosorbent assay and may induce allergic airway inflammation via bronchial epithelial cells and alveolar macrophages. Our data provide insights into the mechanisms of allergic airway inflammation caused with D. farinae-derived exosomes and the treatment of house dust mite-induced allergic airway inflammation.
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Affiliation(s)
- Ting Yang
- Department of Dermatology, Affiliated Children’s Hospital of Jiangnan University, Wuxi, Jiangsu, People’s Republic of China
| | - Zuyu Xu
- Graduate School of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Jinyan Yu
- Graduate School of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Jiaxi Liu
- Graduate School of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Wei Wang
- National Health Commission Key Laboratory on Parasitic Disease Prevention and Control, Jiangsu Provincial Key Laboratory on Parasites and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, Jiangsu, People’s Republic of China
| | - Shanchao Hong
- Department of Clinical Laboratory, Jiangnan University Medical Center, Wuxi, Jiangsu, People’s Republic of China
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Gómez-Gutiérrez JA, Wong-Villarreal A, Aguilar-Marcelino L, Yañez-Ocampo G, Hernández-Nuñéz E, Caspeta-Mandujano JM, García-Flores A, Cruz-Arévalo J, Vargas-Uriostegui P, Gomez-Rodríguez O. In vitro nematicidal and acaricidal effect of biosurfactants produced by Bacillus against the root-knot nematode Nacobbus aberrans and the dust mite Tyrophagus putrescentiae. Braz J Microbiol 2023; 54:1127-1136. [PMID: 37119435 PMCID: PMC10234950 DOI: 10.1007/s42770-023-00981-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/16/2023] [Indexed: 05/01/2023] Open
Abstract
In the present study, the nematicidal and acaricidal activity of three biosurfactants (BS) produced by strains of the Bacillus genus was evaluated. The BS produced by the Bacillus ROSS2 strain presented a mortality of 39.29% in juveniles (J2) of Nacobbus aberrans at a concentration of 30 mg/mL, this same strain is the one that presented the highest mortality in Tyrophagus putrescentiae, which was 57.97% at a concentration of 39 mg/mL. The BS were qualitatively identified by thin layer chromatography and are lipid in nature based on the retention factor (Rf). While the GC-MS analysis identified two main compounds that are 4,7-Methano-1H-indene-2,6-dicarboxylic acid, 3a,4,7,7a-tetrahydro-1, and Methyl 4-(pyrrol-1-yl)-1,2,5-oxadiazole-3-carboxylate1, which is the polar part indicated by the presence of dicarboxylic acid and carboxylate groups; while the non-polar portion can be interpreted as a hydrocarbon chain of variable length. Based on the present results, BS can be an alternative for the biocontrol of the root-knot nematode N. aberrans and the mite T. putrescentiae.
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Affiliation(s)
- Jaime Adriel Gómez-Gutiérrez
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Morelos Cuernavaca, Cuernavaca, Morelos, C.P, 62209 México
| | | | - Liliana Aguilar-Marcelino
- National Center for Disciplinary Research in Animal Health and Safety (INIFAP), Km 11 Federal Road Cuernavaca-Cuautla, 62550 Jiutepec, MR Mexico
| | - Gustavo Yañez-Ocampo
- Laboratorio de edafología y ambiente. Facultad de ciencias, Universidad Autónoma del estado de Mexico, Campus El Cerrillo, Carretera Toluca-Ixtlahuaca Km 15.5, Piedras Blancas, C.P, 50200 Toluca de Lerdo, México
| | - Emanuel Hernández-Nuñéz
- Centro de Investigaciones y de Estudios Avanzados del Instituto Politécnico Nacional, Departamento de Recursos del Mar, Unidad Mérida, Mérida, Yucatán México
| | - Juan Manuel Caspeta-Mandujano
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Morelos Cuernavaca, Cuernavaca, Morelos, C.P, 62209 México
| | - Alejandro García-Flores
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Morelos Cuernavaca, Cuernavaca, Morelos, C.P, 62209 México
| | - Julio Cruz-Arévalo
- División Agroalimentaria, Universidad Tecnológica de la Selva, C.P, 29950 Ocosingo, Mexico
| | - Patricia Vargas-Uriostegui
- National Center for Disciplinary Research in Animal Health and Safety (INIFAP), Km 11 Federal Road Cuernavaca-Cuautla, 62550 Jiutepec, MR Mexico
| | - Olga Gomez-Rodríguez
- Programa de Fitopatología, Colegio de Postgraduados-Campus Montecillo, km. 36.5 Carretera México-Texcoco, 56230 Texcoco, Estado de México México
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Sachman-Ruíz B, Wong-Villarreal A, Aguilar-Marcelino L, Lozano-Aguirre LF, Espinosa-Zaragoza S, Reyes-Reyes AL, Sanzón-Gómez D, Mireles-Arriaga AI, Romero-Tirado R, Rocha-Martínez MK, Pérez-de la Rosa JD, Sánchez-Cruz R, Gómez-Gutiérrez JA. Nematicidal, Acaricidal and Plant Growth-Promoting Activity of Enterobacter Endophytic Strains and Identification of Genes Associated with These Biological Activities in the Genomes. PLANTS (BASEL, SWITZERLAND) 2022; 11:3136. [PMID: 36432865 PMCID: PMC9695364 DOI: 10.3390/plants11223136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 10/26/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
In the present study, the nematicidal and acaricidal activity of three Enterobacter endophytic strains isolated from Mimosa pudica nodules was evaluated. The percentages of mortality of Enterobacter NOD4 against Panagrellus redivivus was 81.2%, and against Nacobbus aberrans 70.1%, Enterobacter NOD8 72.4% and 62.5%, and Enterobacter NOD10 64.8% and 58.7%, respectively. While against the Tyrophagus putrescentiae mite, the mortality percentages were 68.2% due to Enterobacter NOD4, 64.3% due to Enterobacter NOD8 and 77.8% due to Enterobacter NOD10. On the other hand, the ability of the three Enterobacter strains to produce indole acetic acid and phosphate solubilization, characteristics related to plant growth-promoting bacteria, was detected. Bioinformatic analysis of the genomes showed the presence of genes related to IAA production, phosphate solubilization, and nitrogen fixation. Phylogenetic analyzes of the recA gene, phylogenomics, and average nucleotide identity (ANI) allowed us to identify the strain Enterobacter NOD8 related to E. mori and Enterobacter NOD10 as E. asburiae, while Enterobacter NOD4 was identified as a possible new species of this species. The plant growth-promoting, acaricidal and nematicidal activity of the three Enterobacter strains makes them a potential agent to include in biocontrol alternatives and as growth-promoting bacteria in crops of agricultural interest.
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Affiliation(s)
- Bernardo Sachman-Ruíz
- CENID-Salud Animal e Inocuidad, Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias, Jiutepec 62550, Mexico
| | - Arnoldo Wong-Villarreal
- División Agroalimentaria, Universidad Tecnológica de la Selva, Carretera Ocosingo-Altamirano, km 0.5, Ocosingo 29950, Mexico
| | - Liliana Aguilar-Marcelino
- National Center for Disciplinary Research in Animal Health and Safety (INIFAP), Km 11 Federal Road Cuernavaca-Cuautla, Jiutepec 62550, Mexico
| | | | - Saúl Espinosa-Zaragoza
- Facultad de Ciencias Agrícolas, Universidad Autónoma de Chiapas, Huehuetán 30660, Mexico
| | - Ana Laura Reyes-Reyes
- National Institute of Forestry Agricultural and Livestock Research (INIFAP), Campo Experimental Rosario Izapa, Tuxtla Chico 30870, Mexico
| | - Diana Sanzón-Gómez
- Departamento de Agronomía, División Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato 36500, Mexico
| | - Ana Isabel Mireles-Arriaga
- Departamento de Agronomía, División Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato 36500, Mexico
| | - Rodrigo Romero-Tirado
- Facultad de Ciencias Agrícolas, Universidad Autónoma de Chiapas, Huehuetán 30660, Mexico
| | - Marisol Karina Rocha-Martínez
- Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA), Carretera Federal Cuernavaca-Cuautla No. 8534, Colonia Progreso, Jiutepec 62550, Mexico
| | - Juan Diego Pérez-de la Rosa
- Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA), Carretera Federal Cuernavaca-Cuautla No. 8534, Colonia Progreso, Jiutepec 62550, Mexico
| | - Ricardo Sánchez-Cruz
- Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico
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Green SJ, Nesvorna M, Hubert J. The Negative Effects of Feces-Associated Microorganisms on the Fitness of the Stored Product Mite Tyrophagus putrescentiae. Front Microbiol 2022; 13:756286. [PMID: 35359745 PMCID: PMC8961420 DOI: 10.3389/fmicb.2022.756286] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 01/25/2022] [Indexed: 11/13/2022] Open
Abstract
Feces have been suggested as a major source of microorganisms for recolonization of the gut of stored product mites via coprophagy. The mites can host microorganisms that decrease their fitness, but their transmission is not known. To address the role of fecal microbiota on mite fitness, we performed an experimental study in which the surfaces of mite (Tyrophagus putrescentiae) eggs were sterilized. Mites eggs (15 per experimental box) were then hatched and grown on feedstock with and without feces. These experiments were conducted with four distinct T. putrescentiae populations (5L, 5K, 5N, and 5P), and mite population density after 21 day of cultivation was used to assess mite fitness and the impact of fecal microbiota on fitness. Population density was not affected by the presence of feces in two of the cultures (5L and 5K), while significant effects of feces were observed in the other cultures (5N and 5P). Mite culture microbial communities were analyzed using cultivation-independent next-generation amplicon sequencing of microbial 16S and 18S ribosomal RNA (rRNA) genes in the fitness influenced populations (5N and 5P). Several microbial taxa were associated with fecal treatments and reduced mite fitness, including Staphylococcus and Bartonella-like bacteria, and the fungal genera Yamadazyma, Candida, and Aspergillus. Although coprophagy is the transmission route mites used to obtain beneficial gut bacteria such as Bartonella-like organisms, the results of this study demonstrate that fecal-associated microorganisms can have negative effects on some populations of T. putrescentiae fitness, and this may counteract the positive effects of gut symbiont acquisition.
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Affiliation(s)
- Stefan J. Green
- Genomics and Microbiome Core Facility, Rush University, Chicago, IL, United States
| | | | - Jan Hubert
- Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czechia
- *Correspondence: Jan Hubert, ;
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Michalska K, Studnicki M. What Could Arrest an Eriophyoid Mite on a Plant? The Case of Aculops allotrichus from the Black Locust Tree. INSECTS 2021; 12:insects12111031. [PMID: 34821831 PMCID: PMC8625851 DOI: 10.3390/insects12111031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 11/24/2022]
Abstract
Simple Summary For a phytophagous arthropod, plant cues and the presence of conspecifics or heterospecifics on a plant are important sources of information about food availability and predation risk. In eriophyoid mites, which are a group of economically important plant parasites, this issue is still poorly understood. In the previous study, females of the eriophyoid Aculops allotrichus prolonged their stay on unprofitable, old black locust leaves with injured conspecifics, suggesting their specific attraction to pierced individuals. The aim of this study was to shed light on this phenomenon. The series of tests using intact and artificially injured conspecifics, heterospecifics, pollen and sand grains revealed the high specificity of cues associated with mite injury. Only the presence of conspecifics triggered female arrestment on unprofitable old leaves, and this effect was more pronounced on leaf patches with injured than with intact eriophyoids. To our best knowledge, A. allotrichus is the first described herbivore in which injured conspecifics, instead of causing an alarm to be raised, keep the foraging individuals within a risky patch. Our tests using three non-host plants also suggest that A. allotrichus presumably needs more time to identify and evaluate non-host plants than host plants. Abstract Aculops allotrichus is a vagrant eriophyoid that lives gregariously on the leaves of the black locust tree. This study demonstrated that conspecifics can have a significant impact on A. allotrichus females on unprofitable, old black locust leaves and can arrest them on those leaves. The effect was more pronounced in females that were exposed to artificially injured individuals than to intact ones. They not only prolonged their sojourn on leaf discs with pierced conspecifics, but also preferred the leaf disc halves with damaged individuals to clean ones. Aculops allotrichus is the first described herbivore in which artificially injured conspecifics, instead of causing alarm, keep the foraging individuals within a risky patch. Other objects, such as artificially injured or intact heterospecifics, pollen or sand, were irrelevant to the eriophyoid females on old leaf patches. In tests with old leaves of maple, magnolia and hard kiwi vine, the females postponed their movement from non-host leaf discs, which suggests that they may need more time to recognise and evaluate unfamiliar plants than familiar ones.
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Affiliation(s)
- Katarzyna Michalska
- Section of Applied Entomology, Department of Plant Protection, Institute of Horticulture Sciences, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
- Correspondence:
| | - Marcin Studnicki
- Department of Biometry, Institute of Agriculture, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland;
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Erban T, Klimov PB, Harant K, Talacko P, Nesvorna M, Hubert J. Label-free proteomic analysis reveals differentially expressed Wolbachia proteins in Tyrophagus putrescentiae: Mite allergens and markers reflecting population-related proteome differences. J Proteomics 2021; 249:104356. [PMID: 34438106 DOI: 10.1016/j.jprot.2021.104356] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/12/2021] [Accepted: 08/19/2021] [Indexed: 12/21/2022]
Abstract
Tyrophagus putrescentiae is an astigmatid mite of great economic, medical and veterinary importance. The microbiome, especially intracellular bacteria, may affect allergy/allergen expression. We targeted Wolbachia proteins, allergen comparisons and markers in Wolbachia-mite interactions in three mite populations. A decoy database was constructed by proteogenomics using the T. putrescentiae draft genome, Wolbachia transcriptome assembly and current T. putrescentiae-related sequences in GenBank. Among thousands of mite-derived proteins, 18 Wolbachia proteins were reliably identified. We suggest that peroxiredoxin, bacterioferritin, ankyrin repeat domain-containing protein and DegQ family serine endoprotease indicate a higher-level bacterium-bacterium-host interaction. We produced evidence that the host-Wolbachia interaction is modulated through pattern recognition receptors (PRRs), mannose-binding lectins/mannose receptors, the cholinergic anti-inflammatory pathway with TNF-α, and others. We observed Tyr p 3 suppression in mites with Wolbachia, linking trypsin to PRR modulation. Nine out of the 12 current WHO/IUIS official allergens were reliably identified, but the remaining three allergens, Tyr p 1, 8 and 35, were detected as only trace hits. This study provides numerous markers for further Wolbachia-host interaction research. For accuracy, mite allergens should be considered according to abundance in species, but mite populations/strains, as well as their microbiome structure, may be key factors. SIGNIFICANCE: The astigmatid mites occurring in homes are significant producers of allergens that are highly dangerous to humans and domesticated animals. Mites are tightly associated with microorganisms that affect their biology and consequently allergy signatures. Mite populations were found to be infected with certain intracellular bacteria, but some populations lacked an intracellular bacterium. Our previous research showed that some populations of Tyrophagus putrescentiae are infected with Wolbachia, but some populations host additional bacteria of interest. Thus, there are not only interactions between the mites and Wolbachia but also likely an additional level of interaction that can be found in the interaction between different bacteria in the mites. These "higher-level" signatures and consequences that bacteria affect, including allergen production, are not understood in mites. In this study, we identified Wolbachia-specific proteins in mites for the first time. This study provides Wolbachia- and mite-derived markers that can be clues for describing "higher-level" mite-bacterium-bacterium interactions. Indeed, the microbiome contribution to allergies can potentially be derived directly from bacterial proteins, especially if they are abundant.
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Affiliation(s)
- Tomas Erban
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne CZ-16106, Czechia.
| | - Pavel B Klimov
- School of Natural Sciences, Bangor University, Bangor LL57 2 UW, UK; Institute of Biology, University of Tyumen, Pirogova 3, 625043 Tyumen, Russia
| | - Karel Harant
- Proteomics Core Facility, Faculty of Science, Charles University, BIOCEV, Prumyslova 595, Vestec CZ-25242, Czechia; Institute for Environmental Studies, Faculty of Science, Charles University, Benatska 2, Prague 2 CZ-128 01, Czechia
| | - Pavel Talacko
- Proteomics Core Facility, Faculty of Science, Charles University, BIOCEV, Prumyslova 595, Vestec CZ-25242, Czechia
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne CZ-16106, Czechia
| | - Jan Hubert
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne CZ-16106, Czechia
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Hubert J, Nesvorna M, Pekar S, Green SJ, Klimov PB. Cardinium inhibits Wolbachia in its mite host, Tyrophagus putrescentiae, and affects host fitness. FEMS Microbiol Ecol 2021; 97:6358523. [PMID: 34448854 DOI: 10.1093/femsec/fiab123] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/24/2021] [Indexed: 12/14/2022] Open
Abstract
Interactions among endosymbiotic bacteria inside their eukaryotic hosts are poorly understood, particularly in mites. The mite Tyrophagus putrescentiae is a common, medically important generalist species that has many intracellular and gut bacterial symbionts. In the experiments, we examined bacterial abundances and composition in mite populations obtained by controlled mixing of stock mite populations that differed in the presence/absence of the major intracellular bacteria Wolbachia and Cardinium. Changes in microbial communities were characterized using 16S ribosomal RNA high-throughput sequencing (pooled mite individuals) and quantitative PCR for key microbial taxa (individual mites). Mite fitness was estimated as a parameter of population growth. We detected that in mixed mite populations, Cardinium and Wolbachia can co-occur in the same mite individual. The presence of Cardinium was negatively correlated with the presence of Wolbachia and Bartonella, while the Bartonella and Wolbachia were positively correlated in individual level samples. Since mixed populations had lower abundances of Wolbachia, while the abundance of Cardinium did not change, we suggest that the presence of Cardinium inhibits the growth of Wolbachia. The mixed mite populations had lower population growth than parental populations. The possible effect of symbionts on the fitness of mixed population is discussed.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, Drnovska 507/73, CZ-16106 Prague 6-Ruzyne, Czechia.,Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, CZ-165 00 Prague 6-Suchdol, Czechia
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, CZ-16106 Prague 6-Ruzyne, Czechia
| | - Stano Pekar
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlarska 2, CZ-611 37 Brno, Czechia
| | - Stefan J Green
- Genomics and Microbiome Core Facility, Rush University, Chicago, IL 60612, USA
| | - Pavel B Klimov
- School of Natural Sciences, Bangor University, Bangor, LL57 2 UW, UK.,Institute of Biology, University of Tyumen, Pirogova 3, 625043 Tyumen, Russia
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12
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Kim JY, Yi MH, Lee S, Lee IY, Yong D, Yoon SS, Yong TS. Microbiome and mycobiome interaction in house dust mites and impact on airway cells. Clin Exp Allergy 2021; 51:1592-1602. [PMID: 34087033 DOI: 10.1111/cea.13962] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/17/2021] [Accepted: 05/31/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Major allergen sources Dermatophagoides farinae, Dermatophagoides pteronyssinus and Tyrophagus putrescentiae have been reported to have distinct microbiomes. The purpose of this study was to investigate the effect of each mite on airway epithelial cells as a model of airway allergic disease. METHODS Transcriptomic analysis (RNA-seq) of an airway epithelial cell line (BEAS-2B) was performed to compare gene expression patterns after treatment with extracts of three mite species (D. farinae, D. pteronyssinus and T. putrescentiae). In addition, mycobiome deep sequencing of mites was employed to identify fungal species that interact with the microbiomes of the mites. RESULTS Immune responses to bacteria were enriched only in the D. farinae-treated group as this species harboured larger numbers of bacteria than the other mites, and the high level of LPS in D. farinae caused proinflammatory cytokine production in airway epithelial cells. In addition, antibiotic metabolism pathways were enriched in D. pteronyssinus-treated cells but not in D. farinae -treated cells. Subsequent experiments revealed that D. pteronyssinus had a high fungal load that inhibited bacterial survival in this mite species. CONCLUSION The large amount of bacteria in D. farinae causes airway epithelial cells to produce more allergy-related cytokines than D. pteronyssinus, since fungi present in D. pteronyssinus suppress the abundance of mite-associated bacteria.
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Affiliation(s)
- Ju Yeong Kim
- Department of Environmental Medical Biology, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, South Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Myung-Hee Yi
- Department of Environmental Medical Biology, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, South Korea
| | - Seogwon Lee
- Department of Environmental Medical Biology, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, South Korea
| | - In-Yong Lee
- Department of Environmental Medical Biology, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, South Korea
| | - Dongeun Yong
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
| | - Sang Sun Yoon
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea.,Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul, South Korea
| | - Tai-Soon Yong
- Department of Environmental Medical Biology, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, South Korea
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13
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Case report: Tyrophagus putrescentiae (Acari) attacking laying birds in conventional poultry houses. Vet Res Commun 2021; 45:159-162. [PMID: 33895909 DOI: 10.1007/s11259-021-09793-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/21/2021] [Indexed: 10/21/2022]
Abstract
Tyrophagus putrescentiae (Schrank) (Acaridae) is one of the most allergenic mite species worldwide, and it particularly infests household environments, animal feed factories, and food factories. It has been the aim of several studies recently in the healthcare area due to its allergenic potential. However, there had been no records of this species attacking laying birds until this report. This is the first record of adverse reactions in animals triggered by infestations of this species. Therefore, the present study aims at describing the damages and symptomatology of T. putrescentiae infestations on commercial laying hens. Alopecia and dermatitis were symptoms exacerbated by T. putrescentiae infestation starting at 40 weeks old. The presence of this species on hens, as observed in the present study, might be directly related to the accumulation of food and poultry litter on these birds, in their cages, or in the vicinities. Hence, the results might be related to their feeding behavior, which consists of continuous supply of animal feed in these management systems. The present study provides an unprecedented record that reveals the importance and potential for emergency pest status of T. putrescentiae in the poultry industry. Its infestations in poultry houses probably required constant sanitary care and monitoring are required in order to prevent outbreaks of this mite.
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Hubert J, Nesvorna M, Green SJ, Klimov PB. Microbial Communities of Stored Product Mites: Variation by Species and Population. MICROBIAL ECOLOGY 2021; 81:506-522. [PMID: 32852571 DOI: 10.1007/s00248-020-01581-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 08/18/2020] [Indexed: 05/25/2023]
Abstract
Arthropod-associated microorganisms are important because they affect host fitness, protect hosts from pathogens, and influence the host's ability to vector pathogens. Stored product mites (Astigmata) often establish large populations in various types of food items, damaging the food by direct feeding and introducing contaminants, including their own bodies, allergen-containing feces, and associated microorganisms. Here we access the microbial structure and abundance in rearing diets, eggs, feces fraction, and mite bodies of 16 mite populations belonging to three species (Carpoglyphus lactis, Acarus siro, and Tyrophagus putrescentiae) using quantitative PCR and 16S ribosomal RNA (rRNA) gene amplicon sequencing. The mite microbiomes had a complex structure dominated by the following bacterial taxa (OTUs): (a) intracellular symbionts of the genera Cardinium and Wolbachia in the mite bodies and eggs; (b) putative gut symbionts of the genera Solitalea, Bartonella, and Sodalis abundant in mite bodies and also present in mite feces; (c) feces-associated or environmental bacteria of the genera Bacillus, Staphylococcus, and Kocuria in the diet, mite bodies, and feces. Interestingly and counterintuitively, the differences between microbial communities in various conspecific mite populations were higher than those between different mite species. To explain some of these differences, we hypothesize that the intracellular bacterial symbionts can affect microbiome composition in mite bodies, causing differences between microbial profiles. Microbial profiles differed between various sample types, such as mite eggs, bodies, and the environment (spent growth medium-SPGM). Low bacterial abundances in eggs may result in stochastic effects in parent-offspring microbial transmission, except for the intracellular symbionts. Bacteria in the rearing diet had little effect on the microbial community structure in SPGM and mite bodies. Mite fitness was positively correlated with bacterial abundance in SPGM and negatively correlated with bacterial abundances in mite bodies. Our study demonstrates critical host-microbe interactions, affecting all stages of mite growth and leading to alteration of the environmental microbiome. Correlational evidence based on absolute quantitation of bacterial 16S rRNA gene copies suggests that mite-associated microorganisms are critical for modulating important pest properties of mites by altering population growth.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, Drnovska 507/73, CZ-161 06, Prague 6-Ruzyne, Czechia.
- Faculty of Agrobiology, Food and Natural Resources, Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Kamycka 129, CZ-165 21, Prague 6-Suchdol, Czechia.
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, CZ-161 06, Prague 6-Ruzyne, Czechia
| | - Stefan J Green
- Genome Research Core, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Pavel B Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, MI, 48109, USA
- Institute of Biology, University of Tyumen, Pirogova 3, 625043, Tyumen, Russia
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Yang K, Chen H, Bing XL, Xia X, Zhu YX, Hong XY. Wolbachia and Spiroplasma could influence bacterial communities of the spider mite Tetranychus truncatus. EXPERIMENTAL & APPLIED ACAROLOGY 2021; 83:197-210. [PMID: 33484388 DOI: 10.1007/s10493-021-00589-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 01/07/2021] [Indexed: 06/12/2023]
Abstract
The structures of arthropod bacterial communities are complex. These microbiotas usually provide many beneficial services to their hosts, whereas occasionally they may be parasitical. To date, little is known about the bacterial communities of Tetranychus truncatus and the factors contributing to the structure of its bacterial communities are unexplored yet. Here, we used four symbiont-infected T. truncatus strains-including one Wolbachia and Spiroplasma co-infected strain, two symbiont singly-infected strains and one symbiont uninfected strain-to investigate the influence of endosymbionts on the structure of the host mites' microbiota. Based on 16S rRNA genes sequencing analysis, we found Wolbachia and Spiroplasma were the two most abundant bacteria in T. truncatus and the presence of both symbionts could not change the diversity of bacterial communities (based on alpha-diversity indexes such as ACE, Chao1, Shannon and Simpson diversity index). Symbiont infection did alter the abundance of many other bacterial genera, such as Megamonas and Bacteroides. The structures of bacterial communities differed significantly among symbiont-infected strains. These results suggested a prominent effect of Wolbachia and Spiroplasma on bacterial communities of the host T. truncatus. These findings advance our understanding of T. truncatus microbiota and will be helpful for further study on bacterial communities of spider mites.
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Affiliation(s)
- Kun Yang
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Han Chen
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Xiao-Li Bing
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Xue Xia
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Yu-Xi Zhu
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Xiao-Yue Hong
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.
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Zhao C, Wu L, Luo J, Niu L, Wang C, Zhu X, Wang L, Zhao P, Zhang S, Cui J. Bt, Not a Threat to Propylea japonica. Front Physiol 2020; 11:758. [PMID: 32903558 PMCID: PMC7438476 DOI: 10.3389/fphys.2020.00758] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 06/11/2020] [Indexed: 11/14/2022] Open
Abstract
Given the ever-increasing commercial planting of transgenic plants across the world, an evaluation of their impacts on non-target organisms is as an important part of the risk assessment process. Propylea japonica is a dominant non-target predator and pollen feeder insect that is prevalent in Bt cotton fields, and it is thus in direct contact with Bt proteins. However, the effect of Bt proteins on P. japonica has not received much attention. In this study, the effects of Cry1Ac and/or Cry2Ab proteins on P. japonica were investigated from three aspects. First, no significant differences in the diversity of the microbiota nor change in species composition and community structure were observed among Cry protein treatments. Firmicutes are the most abundant bacterial phylum present in P. japonica, followed by Proteobacteria and Actinobacteria. The most abundant genus was Staphylococcus. Second, the expression levels of the detoxification and digestion-related genes did not change significantly in any Cry protein treatment. Third, none of the Cry proteins affected the population fitness of P. japonica. These results indicated that P. japonica was not sensitive to Bt proteins, suggesting that growing Bt cotton expressing Cry1Ac and/or Cry2Ab will pose negligible risks to P. japonica.
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Affiliation(s)
- Chenchen Zhao
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China.,Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Linke Wu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Junyu Luo
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Lin Niu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China.,Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
| | - Chuanpeng Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Xiangzhen Zhu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Li Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Peng Zhao
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China
| | - Shuai Zhang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China.,College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Jinjie Cui
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, China.,Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
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Glowska E, Filutowska ZK, Dabert M, Gerth M. Microbial composition of enigmatic bird parasites: Wolbachia and Spiroplasma are the most important bacterial associates of quill mites (Acariformes: Syringophilidae). Microbiologyopen 2020; 9:e964. [PMID: 32141700 PMCID: PMC7221428 DOI: 10.1002/mbo3.964] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/10/2019] [Accepted: 10/14/2019] [Indexed: 12/12/2022] Open
Abstract
Background The microbiome is an integral component of many animal species, potentially affecting behavior, physiology, and other biological properties. Despite this importance, bacterial communities remain vastly understudied in many groups of invertebrates, including mites. Quill mites (Acariformes: Syringophilidae) are a poorly known group of permanent bird ectoparasites that occupy quills of feathers and feed on bird subcutaneous tissue and fluids. Most of the known species have strongly female‐biased sex ratio, and it was hypothesized that this is caused by endosymbiotic bacteria. Previously, Anaplasma phagocytophilum (Foggie) and a high diversity of Wolbachia strains were detected in quill mites via targeted PCR screens. Here, we use an unbiased 16S rRNA gene amplicon sequencing approach to determine other bacteria that potentially impact quill mite biology. Results We performed 16S rRNA gene amplicon sequencing of 126 quill mite individuals from eleven species parasitizing twelve species (four families) of passeriform birds. In addition to Wolbachia, we found Spiroplasma as potential symbiont of quill mites. Consistently, high Spiroplasma titers were only found in individuals of two mite species associated with finches of the genus Carduelis, suggesting a history of horizontal transfers of Spiroplasma via the bird host. Furthermore, there was evidence for Spiroplasma negatively affecting Wolbachia titers. We found no evidence for the previously reported Anaplasma in quill mites, but detected sequences of high similarity to the potential pathogens Brucella and Bartonella at low abundances. Other amplicon sequence variants (ASVs) could be assigned to a diverse number of bacterial taxa, including several that were previously isolated from bird skin. Further, many frequently found ASVs were assigned to taxa that show a very broad distribution with no strong prior evidence for symbiotic association with animals. We interpret these findings as evidence for a scarcity of resident microbial associates (other than inherited symbionts) in quill mites.
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Affiliation(s)
- Eliza Glowska
- Faculty of Biology, Department of Animal Morphology, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Zuzanna Karolina Filutowska
- Faculty of Biology, Molecular Biology Techniques Laboratory, Adam Mickiewicz University in Poznań, Poznan, Poland.,Faculty of Biology, Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Miroslawa Dabert
- Faculty of Biology, Molecular Biology Techniques Laboratory, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Michael Gerth
- Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK
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Shen CY, Yen CY, Chien DK, Tsai JJ, Yu SJ, Liao EC. Influence of storage conditions on the infestation of Tyrophagus putrescentiae and prevalence of mite hypersensitivity in Taiwan. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 80:381-398. [PMID: 32030607 DOI: 10.1007/s10493-019-00453-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 12/16/2019] [Indexed: 06/10/2023]
Abstract
Sensitization to mites is a considerable factor in the development of allergic diseases. Because of its abundance, Tyrophagus putrescentiae (Tp) is the predominant storage mite found in home storage rooms, kitchens, and bakeries. Patients allergic to mites might exhibit a severely hypersensitive reaction upon ingesting Tp-contaminated food. The objective of this study was to investigate the rates of Tp contamination in commercial storage products from various areas, storage conditions, and environments in Taiwan. A specific antibody against Tyr p 3, the allergen on Tp, could be used as an indicator to monitor the contamination condition in storage foods. The microscopic mite examination, allergen detection by ELISA and cultured mite chemotaxis were used to evaluate the prevalence of T. putrescentiae contamination. Moreover, the IgE responses of patients allergic to mites were examined. We found that pet food and mushrooms were commonly contaminated with Tp, and this was validated through Tyr p 3 concentration and chemotaxis experiments. Tp contamination rates decreased significantly when samples were sealed and stored at a low temperature (< 4 °C), low relative humidity (RH < 60%), or for longer periods at a low temperature. The results of the clinical study indicated that the mites that elicited major positive IgE responses in allergic subjects were Dermatophagoides pteronyssinus and D. farinae. Thus, people who are sensitized to D. pteronyssinus or D. farinae might be at risk of a second anaphylactic reaction due to cross-reactivity upon ingestion of Tp-contaminated food. Accordingly, Tp contamination can be prevented by keeping food packages sealed and stored at a low temperature. This prevents the severe allergic reaction caused by the inadvertent ingestion of contaminated food-borne Tp.
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Affiliation(s)
- Cheng-Ying Shen
- Department of Medicine, Mackay Medical College, No. 46, Sec. 3, Zhongzheng Rd., Sanzhi Dist., New Taipei City, 252, Taiwan
| | - Chung-Yang Yen
- Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ding-Kuo Chien
- Department of Medicine, Mackay Medical College, No. 46, Sec. 3, Zhongzheng Rd., Sanzhi Dist., New Taipei City, 252, Taiwan
- Department of Emergency Medicine, MacKay Memorial Hospital, Taipei, Taiwan
| | - Jaw-Ji Tsai
- Division of Allergy, Immunology & Rheumatology, Department of Internal Medicine, Asia University Hospital, Taichung, Taiwan
| | - Sheng-Jie Yu
- Chinese Medicine Research Center, China Medical University Hospital, Taichung, Taiwan
| | - En-Chih Liao
- Department of Medicine, Mackay Medical College, No. 46, Sec. 3, Zhongzheng Rd., Sanzhi Dist., New Taipei City, 252, Taiwan.
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Erban T, Klimov P, Molva V, Hubert J. Whole genomic sequencing and sex-dependent abundance estimation of Cardinium sp., a common and hyperabundant bacterial endosymbiont of the American house dust mite, Dermatophagoides farinae. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 80:363-380. [PMID: 32072355 DOI: 10.1007/s10493-020-00475-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 02/13/2020] [Indexed: 05/09/2023]
Abstract
The two common species of house dust mites (HDMs), Dermatophagoides farinae and D. pteronyssinus, are major sources of allergens in human dwellings worldwide. Many allergens from HDMs have been described, but their extracts vary in immunogens. Mite strains may differ in their microbiomes, which affect mite allergen expression and contents of bacterial endotoxins. Some bacteria, such as the intracellular symbiont Cardinium, can affect both the sex ratio and biochemical pathways of mites, resulting in abundance variations of mite allergens/immunogens. Here, we investigated the bacterial microbiomes of D. farinae and D. pteronyssinus males and females using barcode 16S rDNA sequencing, qPCR, and genomic data analysis. We found a single species of Cardinium associated with D. farinae strains from the USA, China and Europe. Cardinium had high abundance relative to other bacterial taxa and represented 99% of all bacterial DNA reads from female mites from the USA. Cardinium was also abundant with respect to the number of host cells-we estimated 10.4-11.8 cells of Cardinium per single female mite cell. In a European D. farinae strain, Cardinium was more prevalent in females than in males (representing 92 and 67% of all bacterial taxa in females and males, respectively). In contrast, D. pteronyssinus lacked any Cardinium species, and the microbiomes of male and female mites were similar. We produced a Cardinium genome assembly (1.48 Mb; GenBank: PRJNA555788, GCA_007559345.1) associated with D. farinae. The ascertained ubiquity and abundance of Cardinium strongly suggest that this intracellular bacterium plays an important biological role in D. farinae.
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Affiliation(s)
- Tomas Erban
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6-Ruzyne, Czechia.
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, 150 00, Prague 5, Czechia.
- Proteomics and Metabolomics Laboratory, Crop Research Institute, Drnovska 507/73, 16106, Prague 6-Ruzyne, Czechia.
| | - Pavel Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, MI, 48109, USA
- Institute of Biology, University of Tyumen, Pirogova 3, Tyumen, Russia, 625043
| | - Vit Molva
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6-Ruzyne, Czechia
- Department of Parasitology, Faculty of Science, Charles University, Vinicna 7, 128 44, Prague 2, Czechia
| | - Jan Hubert
- Crop Research Institute, Drnovska 507/73, 161 06, Prague 6-Ruzyne, Czechia
- Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources,, Czech University of Life Sciences, Kamycka 129, 165 21, Prague 6 - Suchdol, Czechia
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da Silva GL, Esswein IZ, Heidrich D, Dresch F, Maciel MJ, Pagani DM, Valente P, Scroferneker ML, Johann L, Ferla NJ, da Silva OS. Population growth of the stored product pest Tyrophagus putrescentiae (Acari: Acaridae) on environmentally and medically important fungi. EXPERIMENTAL & APPLIED ACAROLOGY 2019; 78:49-64. [PMID: 31076973 DOI: 10.1007/s10493-019-00370-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 05/07/2019] [Indexed: 06/09/2023]
Abstract
The stored food mite Tyrophagus putrescentiae (Schrank) (Acari: Acaridae) has been associated with the presence of several fungal species. The aims of this work were to evaluate T. putrescentiae population growth associated to environmental and medically important fungal species to determine on which fungal species populations of T. putrescentiae performs best, and to evaluate their ability to disperse each fungal species. First, 24 fungal species were inoculated separately in Petri dishes containing Sabouraud agar medium. One week after inoculation, 50 mites were added to each plate. On the 28th evaluation day, mites and eggs were counted in each plate, and 50 mites randomly collected from each replicate were transferred to new plates containing only Sabouraud agar medium. Then, mites, eggs, and fungal population were evaluated in each plate on day 28 again. The highest population increases were on Trichophyton mentagrophytes, Alternaria sp., Microsporum gypseum, and Aspergillus chevalieri. With Fusarium guttiforme and the medically important fungi Microsporum canis, M. gypseum, T. mentagrophytes, and Sporothrix sp., mites were observed to feed on whole mycelium. Only eight fungal species were dispersed by T. putrescentiae to the new Petri dishes: Aspergillus clavatus, Candida tropicalis, Candida albicans, Fusarium guttiforme, Hyphopichia burtonii, Penicillium citrinum, Rhizophus azygosporus, and Trichophyton mentagrophytes. The best performance of T. putrescentiae was found feeding on F. guttiforme, P. citrinum, and T. mentagrophytes. In conclusion, T. putrescentiae successfully used fungi as a food source, and it proved to be an important tool for disseminating both environmental and medically important fungi.
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Affiliation(s)
- Guilherme Liberato da Silva
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil.
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil.
| | - Isadora Zanatta Esswein
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Daiane Heidrich
- Centro de Ciências Médicas, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Fabíola Dresch
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Mônica Jachetti Maciel
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Danielle Machado Pagani
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil
| | - Patrícia Valente
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil
| | - Maria Lúcia Scroferneker
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil
| | - Liana Johann
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Noeli Juarez Ferla
- Laboratório de Acarologia Tecnovates, Univates - Universidade do Vale do Taquari, Lajeado, RS, 95914-014, Brazil
| | - Onilda Santos da Silva
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil
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21
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Hubert J, Nesvorna M, Kopecky J, Erban T, Klimov P. Population and Culture Age Influence the Microbiome Profiles of House Dust Mites. MICROBIAL ECOLOGY 2019; 77:1048-1066. [PMID: 30465068 DOI: 10.1007/s00248-018-1294-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 11/13/2018] [Indexed: 05/09/2023]
Abstract
Interactions with microorganisms might enable house dust mites (HDMs) to derive nutrients from difficult-to-digest structural proteins and to flourish in human houses. We tested this hypothesis by investigating the effects of changes in the mite culture growth and population of two HDM species on HDM microbiome composition and fitness. Growing cultures of laboratory and industrial allergen-producing populations of Dermatophagoides farinae (DFL and DFT, respectively) and Dermatophagoides pteronyssinus (DPL and DPT, respectively) were sampled at four time points. The symbiotic microorganisms of the mites were characterized by DNA barcode sequencing and quantified by qPCR using universal/specific primers. The population growth of mites and nutrient contents of mite bodies were measured and correlated with the changes in bacteria in the HDM microbiome. The results showed that both the population and culture age significantly influenced the microbiome profiles. Cardinium formed 93% and 32% of the total sequences of the DFL and DFT bacterial microbiomes, respectively, but this bacterial species was less abundant in the DPL and DPT microbiomes. Staphylococcus abundance was positively correlated with increased glycogen contents in the bodies of mites, and increased abundances of Aspergillus, Candida, and Kocuria were correlated with increased lipid contents in the bodies of mites. The xerophilic fungus Wallemia accounted for 39% of the fungal sequences in the DPL microbiome, but its abundance was low in the DPT, DFL, and DFT microbiomes. With respect to the mite culture age, we made three important observations: the mite population growth from young cultures was 5-8-fold higher than that from old cultures; specimens from old cultures had greater abundances of fungi and bacteria in their bodies; and yeasts predominated in the gut contents of specimens from young cultures, whereas filamentous mycelium prevailed in specimens from old cultures. Our results are consistent with the hypothesis that mites derive nutrients through associations with microorganisms.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, Drnovska 507/73, CZ-16106, Prague 6-Ruzyne, Czechia.
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, CZ-16106, Prague 6-Ruzyne, Czechia
| | - Jan Kopecky
- Crop Research Institute, Drnovska 507/73, CZ-16106, Prague 6-Ruzyne, Czechia
| | - Tomas Erban
- Crop Research Institute, Drnovska 507/73, CZ-16106, Prague 6-Ruzyne, Czechia
| | - Pavel Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, 3600 Varsity Drive, Ann Arbor, MI, 48109-2228, USA
- Institute of Biology, University of Tyumen, Pirogova 3, Tyumen, Russia, 625043
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Lee J, Kim JY, Yi MH, Hwang Y, Lee IY, Nam SH, Yong D, Yong TS. Comparative microbiome analysis of Dermatophagoides farinae, Dermatophagoides pteronyssinus, and Tyrophagus putrescentiae. J Allergy Clin Immunol 2019; 143:1620-1623. [DOI: 10.1016/j.jaci.2018.10.062] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 10/18/2018] [Accepted: 10/29/2018] [Indexed: 11/16/2022]
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Nesvorna M, Bittner V, Hubert J. The Mite Tyrophagus putrescentiae Hosts Population-Specific Microbiomes That Respond Weakly to Starvation. MICROBIAL ECOLOGY 2019; 77:488-501. [PMID: 29967922 DOI: 10.1007/s00248-018-1224-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 06/24/2018] [Indexed: 05/09/2023]
Abstract
The effect of short-term nutrient deprivation was studied in five populations of the mite Tyrophagus putrescentiae with different microbiomes. The fresh weight, nutrient status, respiration, and population growth of the mites were observed for the five mite population-scale samples. The starvation caused the larvae and nymphs to be eliminated, resulting in a significant increase in the fresh weight of starved adult specimens. Three populations were negatively influenced by starvation, and the starved specimens were characterized by a decrease in nutrient status, respiration, and population growth. One population was not influenced or was slightly influenced by starvation, which had no effect on population growth or nutrient contents but caused a significant decrease in respiration. One population was positively influenced by starvation; the population growth increased in starved specimens, and starvation had no effect on respiration. Although starvation altered the bacterial profiles of the microbiomes, these differences were much smaller than those between the populations. The bacterial profiles of Staphylococcus, Bacillus, Kocuria, Brevibacterium, and unidentified Micrococcaceae and Enterobacteriaceae increased in starved specimens, whereas those of Bartonella and Solitalea-like genera were reduced in the starved mite populations. The profiles of the intracellular symbiont Cardinium decreased in the starved specimens, and the Wolbachia profile changes were dependent on the mite population. In mite populations, when the symbionts were rare, their profiles varied stochastically. Correlations between changes in the profiles of the bacterial taxa and mite fitness parameters, including nutrient status (lipids, proteins, saccharides, and glycogen contents), mite population growth, and respiration, were observed. Although the microbiomes were resistant to the perturbations caused by nutrition deficiency, the responses of the mites differed in terms of their population growth, respiration, and nutrient status.
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Affiliation(s)
- Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, CZ-161 06, Prague 6-Ruzyne, Czechia
| | - Vaclav Bittner
- Department of Mathematics and Didactics of Mathematics, Faculty of Science, Humanities and Education, Technical University of Liberec, Voronezska 1329/13, CZ-460 01, Liberec, Czechia
| | - Jan Hubert
- Crop Research Institute, Drnovska 507/73, CZ-161 06, Prague 6-Ruzyne, Czechia.
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24
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Insights into the metabolism and behaviour of Varroa destructor mites from analysis of their waste excretions. Parasitology 2018; 146:527-532. [PMID: 30409232 PMCID: PMC6425362 DOI: 10.1017/s0031182018001762] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Varroa destructor mites (Acari: Varroidae) are harmful ectoparasites of Apis mellifera honey bees. Female foundresses of wax-capped pupal host cells and their daughters feed on host fluids from open wounds on the host's integument. Details of V. destructor mite nutrition are forthcoming, and little is known about the potential physical effects on hosts from mite feeding. Chemical analysis of waste excretions can infer details of animals’ nutrition. Here, chemical analysis by high-performance liquid chromatography/mass spectrometry (HPLC-MS/MS) of mite excretions showed that the purine content of V. destructor waste consists of guanine with traces of hypoxanthine. Traces of uric acid and caffeine were also detected. Concentrations of guanine attenuated over time and excretions collected from senescing mites did not contain detectable guanine. Non-reproducing individual female mites maintained in vitro, housed in gelatin capsules and provided a honey bee pupa, deposited an average of nearly 18 excretions daily, mostly on the host's integument rather than on the capsule wall. The weight and volume of excretions suggest mites can consume nearly a microlitre of host fluids each day. Compounded over 10 days, this together with open wounds, could lead to substantial water loss and stress to developing pupae.
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25
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Hubert J, Nesvorna M, Sopko B, Smrz J, Klimov P, Erban T. Two Populations of Mites ( Tyrophagus putrescentiae) Differ in Response to Feeding on Feces-Containing Diets. Front Microbiol 2018; 9:2590. [PMID: 30425700 PMCID: PMC6218854 DOI: 10.3389/fmicb.2018.02590] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 10/10/2018] [Indexed: 01/08/2023] Open
Abstract
Background:Tyrophagus putrescentiae is a ubiquitous mite species in soil, stored products and house dust and infests food and causes allergies in people. T. putrescentiae populations harbor different bacterial communities, including intracellular symbionts and gut bacteria. The spread of microorganisms via the fecal pellets of T. putrescentiae is a possibility that has not been studied in detail but may be an important means by which gut bacteria colonize subsequent generations of mites. Feces in soil may be a vector for the spread of microorganisms. Methods: Extracts from used mite culture medium (i.e., residual food, mite feces, and dead mite bodies) were used as a source of feces-inhabiting microorganisms as food for the mites. Two T. putrescentiae populations (L and P) were used for experiments, and they hosted the intracellular bacteria Cardinium and Wolbachia, respectively. The effects of the fecal fraction on respiration in a mite microcosm, mite nutrient contents, population growth and microbiome composition were evaluated. Results: Feces from the P population comprised more than 90% Bartonella-like sequences. Feces from the L population feces hosted Staphylococcus, Virgibacillus, Brevibacterium, Enterobacteriaceae, and Bacillus. The mites from the P population, but not the L population, exhibited increased bacterial respiration in the microcosms in comparison to no-mite controls. Both L- and P-feces extracts had an inhibitory effect on the respiration of the microcosms, indicating antagonistic interactions within feces-associated bacteria. The mite microbiomes were resistant to the acquisition of new bacterial species from the feces, but their bacterial profiles were affected. Feeding of P mites on P-feces-enriched diets resulted in an increase in Bartonella abundance from 6 to 20% of the total bacterial sequences and a decrease in Bacillus abundance. The population growth was fivefold accelerated on P-feces extracts in comparison to the control. Conclusion: The mite microbiome, to a certain extent, resists the acquisition of new bacteria when mites are fed on feces of the same species. However, a Bartonella-like bacteria-feces-enriched diet seems to be beneficial for mite populations with symbiotic Bartonella-like bacteria. Coprophagy on the feces of its own population may be a mechanism of bacterial acquisition in T. putrescentiae.
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Affiliation(s)
- Jan Hubert
- Divison of Crop Protection and Plant Health, Crop Research Institute, Prague, Czechia
| | - Marta Nesvorna
- Divison of Crop Protection and Plant Health, Crop Research Institute, Prague, Czechia
| | - Bruno Sopko
- Divison of Crop Protection and Plant Health, Crop Research Institute, Prague, Czechia.,Department of Medical Chemistry and Clinical Biochemistry, Second Faculty of Medicine, Motol University Hospital, Charles University, Prague, Czechia
| | - Jaroslav Smrz
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Pavel Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, United States.,Institute of Biology, University of Tyumen, Tyumen, Russia
| | - Tomas Erban
- Divison of Crop Protection and Plant Health, Crop Research Institute, Prague, Czechia
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Murillo P, Klimov P, Hubert J, OConnor B. Investigating species boundaries using DNA and morphology in the mite Tyrophagus curvipenis (Acari: Acaridae), an emerging invasive pest, with a molecular phylogeny of the genus Tyrophagus. EXPERIMENTAL & APPLIED ACAROLOGY 2018; 75:167-189. [PMID: 29700678 DOI: 10.1007/s10493-018-0256-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 04/14/2018] [Indexed: 05/09/2023]
Abstract
Mites of the genus Tyrophagus (Acari: Acaridae) are among the most widespread and common mites, inhabiting diverse natural and anthropogenic habitats. Some species are pests of agricultural products and stored food and/or live in house dust, causing allergies to humans. We sequenced 1.2 kb of the mitochondrial COI gene for 38 individuals belonging to seven species of Tyrophagus, including T. curvipenis, T. putrescentiae, T. fanetzhangorum, T. longior, T. perniciosus, and T. cf. similis. Molecular phylogenetic analyses (1) recovered two major clades corresponding to the presence or absence of eyespots, and (2) separated all included morphological species. Tyrophagus curvipenis and T. putrescentiae had the lowest between-species genetic distances (range, mean ± SD): 14.20-16.30, 15.17 ± 0.40 (K2P). The highest within-species variation was found in T. putrescentiae 0.00-4.33, 1.78 ± 1.44 (K2P). In this species, we recovered two distinct groups; however, no geographical or ecological dissimilarities were observed between them. Based on our analyses, we document important morphological differences between T. curvipenis and T. putrescentiae. For the first time, we record the occurrence of T. curvipenis in the New World and suggest that it may be an emerging pest as it is currently spreading in agricultural produce.
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Affiliation(s)
- Pamela Murillo
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA.
- Laboratorio de Acarologia- CIPROC, Universidad de Costa Rica, Ciudad Universitaria Rodrigo Facio, San Pedro, 2060, Costa Rica.
| | - Pavel Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
- Faculty of Biology, Tyumen State University, Tyumen, Russia
| | - Jan Hubert
- Biologically Active Substances in Crop Protection, Crop Research Institute, Prague, Czech Republic
| | - Barry OConnor
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
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Mereghetti V, Chouaia B, Montagna M. New Insights into the Microbiota of Moth Pests. Int J Mol Sci 2017; 18:ijms18112450. [PMID: 29156569 PMCID: PMC5713417 DOI: 10.3390/ijms18112450] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 11/07/2017] [Accepted: 11/14/2017] [Indexed: 01/30/2023] Open
Abstract
In recent years, next generation sequencing (NGS) technologies have helped to improve our understanding of the bacterial communities associated with insects, shedding light on their wide taxonomic and functional diversity. To date, little is known about the microbiota of lepidopterans, which includes some of the most damaging agricultural and forest pests worldwide. Studying their microbiota could help us better understand their ecology and offer insights into developing new pest control strategies. In this paper, we review the literature pertaining to the microbiota of lepidopterans with a focus on pests, and highlight potential recurrent patterns regarding microbiota structure and composition.
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Affiliation(s)
- Valeria Mereghetti
- Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, 20122 Milan, Italy.
| | - Bessem Chouaia
- Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, 20122 Milan, Italy.
| | - Matteo Montagna
- Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, 20122 Milan, Italy.
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Hubert J, Erban T, Kopecky J, Sopko B, Nesvorna M, Lichovnikova M, Schicht S, Strube C, Sparagano O. Comparison of Microbiomes between Red Poultry Mite Populations (Dermanyssus gallinae): Predominance of Bartonella-like Bacteria. MICROBIAL ECOLOGY 2017; 74:947-960. [PMID: 28534089 DOI: 10.1007/s00248-017-0993-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 05/01/2017] [Indexed: 05/09/2023]
Abstract
Blood feeding red poultry mites (RPM) serve as vectors of pathogenic bacteria and viruses among vertebrate hosts including wild birds, poultry hens, mammals, and humans. The microbiome of RPM has not yet been studied by high-throughput sequencing. RPM eggs, larvae, and engorged adult/nymph samples obtained in four poultry houses in Czechia were used for microbiome analyses by Illumina amplicon sequencing of the 16S ribosomal RNA (rRNA) gene V4 region. A laboratory RPM population was used as positive control for transcriptome analysis by pyrosequencing with identification of sequences originating from bacteria. The samples of engorged adult/nymph stages had 100-fold more copies of 16S rRNA gene copies than the samples of eggs and larvae. The microbiome composition showed differences among the four poultry houses and among observed developmental stadia. In the adults' microbiome 10 OTUs comprised 90 to 99% of all sequences. Bartonella-like bacteria covered between 30 and 70% of sequences in RPM microbiome and 25% bacterial sequences in transcriptome. The phylogenetic analyses of 16S rRNA gene sequences revealed two distinct groups of Bartonella-like bacteria forming sister groups: (i) symbionts of ants; (ii) Bartonella genus. Cardinium, Wolbachia, and Rickettsiella sp. were found in the microbiomes of all tested stadia, while Spiroplasma eriocheiris and Wolbachia were identified in the laboratory RPM transcriptome. The microbiomes from eggs, larvae, and engorged adults/nymphs differed. Bartonella-like symbionts were found in all stadia and sampling sites. Bartonella-like bacteria was the most diversified group within the RPM microbiome. The presence of identified putative pathogenic bacteria is relevant with respect to human and animal health issues while the identification of symbiontic bacteria can lead to new control methods targeting them to destabilize the arthropod host.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 161 06, Czechia.
| | - Tomas Erban
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 161 06, Czechia
| | - Jan Kopecky
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 161 06, Czechia
| | - Bruno Sopko
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 161 06, Czechia
- Department of Medical Chemistry and Clinical Biochemistry, 2nd Faculty of Medicine, Charles University and Motol University Hospital, V Uvalu 84/1, Prague, 5150 06, Czechia
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 161 06, Czechia
| | - Martina Lichovnikova
- Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1665/1, Brno, 61 300, Czechia
| | - Sabine Schicht
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559, Hannover, Germany
| | - Christina Strube
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559, Hannover, Germany
| | - Olivier Sparagano
- Vice-Chancellor Office, Centre for Applied Biological and Exercise Sciences, Coventry University, Priory Street, Coventry, CV1 5FB, UK
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Experimental Manipulation Shows a Greater Influence of Population than Dietary Perturbation on the Microbiome of Tyrophagus putrescentiae. Appl Environ Microbiol 2017; 83:AEM.00128-17. [PMID: 28235879 DOI: 10.1128/aem.00128-17] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 02/21/2017] [Indexed: 01/07/2023] Open
Abstract
Tyrophagus putrescentiae is inhabited by bacteria that differ among mite populations (strains) and diets. Here, we investigated how the microbiome and fitness of Tputrescentiae are altered by dietary perturbations and mite populations. Four T. putrescentiae populations, referred to as dog, Koppert, laboratory, and Phillips, underwent a perturbation, i.e., a dietary switch from a rearing diet to two experimental diets. The microbiome was investigated by sequencing the V1-V3 portion of the 16S rRNA gene, and selected bacterial taxa were quantified by quantitative PCR (qPCR) using group/taxon-specific primers. The parameters observed were the changes in mite population growth and nutritional status, i.e., the total glycogen, lipid, saccharide, and protein contents in mites. The effect of diet perturbation on the variability of the microbiome composition and population growth was lower than the effect induced by mite population. In contrast, the diet perturbation showed a greater effect on nutritional status of mites than the mite population. The endosymbionts exhibited high variations among T. putrescentiae populations, including Cardinium in the laboratory population, Blattabacterium-like bacteria in the dog population, and Wolbachia in the dog and Phillips populations. Solitalea-like and Bartonella-like bacteria were present in the dog, Koppert, and Phillips populations in different proportions. The T. putrescentiae microbiome is dynamic and varies based on both the mite population and perturbation; however, the mites remain characterized by robust bacterial communities. Bacterial endosymbionts were found in all populations but represented a dominant portion of the microbiome in only some populations.IMPORTANCE We addressed the question of whether population origin or perturbation exerts a more significant influence on the bacterial community of the stored product mite Tyrophagus putrescentiae The microbiomes of four populations of T. putrescentiae insects subjected to diet perturbation were compared. Based on our results, the bacterial community was more affected by the mite population than by diet perturbation. This result can be interpreted as indicating high stability of the putative intracellular symbionts in response to dietary perturbation. The changes in the absolute and relative numbers of Wolbachia, Blattabacterium-like, Solitalea-like, and Cardinium bacteria in the T. putrescentiae populations can also be caused by neutral processes other than perturbation. When nutritional status is considered, the effect of population appeared less important than the perturbation. We hypothesize that differences in the proportions of the endosymbiotic bacteria result in changes in mite population growth.
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Pekas A, Palevsky E, Sumner JC, Perotti MA, Nesvorna M, Hubert J. Comparison of bacterial microbiota of the predatory mite Neoseiulus cucumeris (Acari: Phytoseiidae) and its factitious prey Tyrophagus putrescentiae (Acari: Acaridae). Sci Rep 2017; 7:2. [PMID: 28127053 PMCID: PMC5428342 DOI: 10.1038/s41598-017-00046-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Accepted: 12/19/2016] [Indexed: 12/22/2022] Open
Abstract
Neoseiulus cucumeris is a predatory mite used for biological control of arthropod pests. Mass-reared predators are fed with factitious prey mites such as Tyrophagus putrescentiae. Although some information on certain endosymbionts of N. cucumeris and T. putrescentiae exists, it is unclear whether both species share bacterial communities. The bacterial communities in populations of predator and prey mites, as well as the occurence of potential acaropathogenic bacteria were analyzed. The comparisons were based on the following groups: (i) N. cucumeris mass-production; (ii) N. cucumeris laboratory population with disease symptoms; (iii) T. putrescentiae pure populations and; (iv) T. putrescentiae from rearing units of N. cucumeris. Only 15% of OTUs were present in all samples from predatory and prey mite populations (core OTUs): the intracellular symbionts Wolbachia, Cardinium, plus other Blattabacterium-like, Solitalea-like, and Bartonella-like symbionts. Environmental bacteria were more abundant in predatory mites, while symbiotic bacteria prevailed in prey mites. Relative numbers of certain bacterial taxa were significantly different between the microbiota of prey mites reared with and without N. cucumeris. No significant differences were found in the bacterial communities of healthy N. cucumeris compared to N. cucumeris showing disease symptoms. We did not identify any confirmed acaropathogenic bacteria among microbiota.
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Affiliation(s)
- Apostolos Pekas
- Research & Development Department, Biobest Belgium N. V., Ilse Velden 18, Westerlo, B-2260, Belgium
| | - Eric Palevsky
- Department of Entomology, Newe-Ya'ar Research Center, Agricultural Research Organization, Ministry of Agriculture, P.O. Box 1021, Ramat Yishay, IL-30095, Israel
| | - Jason C Sumner
- SASA (Science and Advice for Scottish Agriculture), 1 Roddinglaw Road, Edinburgh, EH12 9FJ, UK
| | - M Alejandra Perotti
- Evolutionary Biology Section, School of Biological Sciences, University of Reading, Reading, RG6 6AS, UK
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, CZ-161 06, Czechia, Czech Republic
| | - Jan Hubert
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, CZ-161 06, Czechia, Czech Republic.
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Hubert J, Kopecky J, Nesvorna M, Alejandra Perotti M, Erban T. Detection and localization of Solitalea-like and Cardinium bacteria in three Acarus siro populations (Astigmata: Acaridae). EXPERIMENTAL & APPLIED ACAROLOGY 2016; 70:309-327. [PMID: 27502113 DOI: 10.1007/s10493-016-0080-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 07/26/2016] [Indexed: 05/09/2023]
Abstract
Bacteria associated with mites influence their fitness, nutrition and reproduction. Previously, we found Solitalea-like (Sphingobacteriales) and Candidatus Cardinium (Cytophagales) bacteria in the stored product mite Acarus siro L. by cloning and using pyrosequencing. In this study, taxon-specific primers targeting 16S rRNA gene were used to detect and quantify the bacteria in mites and eggs of three A. siro populations. The specific probes for fluorescent in situ hybridization (FISH) were used to localize Solitalea-like and Cardinium bacteria in mite bodies. The population growth as an indirect estimator of fitness was used to describe the mite-bacteria interactions on (1) control diet; (2) rifampicin supplemented diet; (3) tetracycline supplemented diet; (4) rifampicin pretreated mites; (5) tetracycline pretreated mites. Solitalea-like 16S rRNA gene sequences from A. siro formed a separate cluster together with sequences from Tyrophagus putrescentiae. qPCR analysis indicated that number of Solitalea-like bacteria 16S rRNA gene copies was ca. 100× higher than that of Cardinium and the numbers differed between populations. FISH analysis localized Solitalea-like bacteria in the parenchymal tissues, mesodeum and food bolus of larvae, nymphs and adults. Solitalea-like, but not Cardinium bacteria were detected by taxon-specific primers in mites and eggs of all three investigated populations. None of the antibiotic treatments eliminated Solitalea-like bacteria in the A. siro populations tested. Rifampicin pretreatment significantly decreased the population growth. The numbers of Solitalea-like bacteria did not correlate with the population growth as a fitness indicator. This study demonstrated that A. siro can host Solitalea-like bacteria either alone or together with Cardinium. We suggest that Solitalea-like bacteria are shared by vertical transfer in A. siro populations.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 16106, Czech Republic.
| | - Jan Kopecky
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 16106, Czech Republic
| | - Marta Nesvorna
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 16106, Czech Republic
| | - M Alejandra Perotti
- Ecology and Evolutionary Biology Section, School of Biological Sciences, University of Reading, Whiteknights, Reading, Berkshire, RG6 6AS, UK
| | - Tomas Erban
- Crop Research Institute, Drnovska 507/73, Prague 6-Ruzyne, 16106, Czech Republic
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