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Durand T, Bonjour-Dalmon A, Dubois E. Viral Co-Infections and Antiviral Immunity in Honey Bees. Viruses 2023; 15:v15051217. [PMID: 37243302 DOI: 10.3390/v15051217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Over the past few decades, honey bees have been facing an increasing number of stressors. Beyond individual stress factors, the synergies between them have been identified as a key factor in the observed increase in colony mortality. However, these interactions are numerous and complex and call for further research. Here, in line with our need for a systemic understanding of the threats that they pose to bee health, we review the interactions between honey bee viruses. As viruses are obligate parasites, the interactions between them not only depend on the viruses themselves but also on the immune responses of honey bees. Thus, we first summarise our current knowledge of the antiviral immunity of honey bees. We then review the interactions between specific pathogenic viruses and their interactions with their host. Finally, we draw hypotheses from the current literature and suggest directions for future research.
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Affiliation(s)
- Tristan Durand
- National Research Institute for Agriculture Food and Environement, INRAE, UR 406 Abeilles et Environnement, Site Agroparc, 84914 Avignon, France
- French Agency for Food, Environmental and Occupational Health Safety, ANSES, 06902 Sophia Antipolis, France
| | - Anne Bonjour-Dalmon
- National Research Institute for Agriculture Food and Environement, INRAE, UR 406 Abeilles et Environnement, Site Agroparc, 84914 Avignon, France
| | - Eric Dubois
- French Agency for Food, Environmental and Occupational Health Safety, ANSES, 06902 Sophia Antipolis, France
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Zhao X, Liu Y. Current Knowledge on Bee Innate Immunity Based on Genomics and Transcriptomics. Int J Mol Sci 2022; 23:ijms232214278. [PMID: 36430757 PMCID: PMC9692672 DOI: 10.3390/ijms232214278] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/28/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
As important pollinators, bees play a critical role in maintaining the balance of the ecosystem and improving the yield and quality of crops. However, in recent years, the bee population has significantly declined due to various pathogens and environmental stressors including viruses, bacteria, parasites, and increased pesticide application. The above threats trigger or suppress the innate immunity of bees, their only immune defense system, which is essential to maintaining individual health and that of the colony. In addition, bees can be divided into solitary and eusocial bees based on their life traits, and eusocial bees possess special social immunities, such as grooming behavior, which cooperate with innate immunity to maintain the health of the colony. The omics approach gives us an opportunity to recognize the distinctive innate immunity of bees. In this regard, we summarize innate bee immunity from a genomic and transcriptomic perspective. The genetic characteristics of innate immunity were revealed by the multiple genomes of bees with different kinds of sociality, including honeybees, bumblebees, wasps, leaf-cutter bees, and so on. Further substantial transcriptomic data of different tissues from diverse bees directly present the activation or suppression of immune genes under the infestation of pathogens or toxicity of pesticides.
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Affiliation(s)
- Xiaomeng Zhao
- College of Engineering, Hebei Normal University, Shijiazhuang 050024, China
| | - Yanjie Liu
- Key Laboratory for Insect-Pollinator Biology of the Ministry of Agriculture and Rural Affairs, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
- Correspondence:
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Fertility costs of cryptic viral infections in a model social insect. Sci Rep 2022; 12:15857. [PMID: 36151143 PMCID: PMC9508145 DOI: 10.1038/s41598-022-20330-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 09/12/2022] [Indexed: 11/08/2022] Open
Abstract
Declining insect populations emphasize the importance of understanding the drivers underlying reductions in insect fitness. Here, we investigated viruses as a threat to social insect reproduction, using honey bees as a model species. We report that in two independent surveys (N = 93 and N = 54, respectively) of honey bee (Apis mellifera) queens taken from a total of ten beekeeping operations across British Columbia, high levels of natural viral infection are associated with decreased ovary mass. Failed (poor quality) queens displayed higher levels of viral infection, reduced sperm viability, smaller ovaries, and altered ovary protein composition compared to healthy queens. We experimentally infected queens with Israeli acute paralysis virus (IAPV) and found that the ovary masses of IAPV-injected queens were significantly smaller than control queens, demonstrating a causal relationship between viral infection and ovary size. Queens injected with IAPV also had significantly lower expression of vitellogenin, the main source of nutrition deposited into developing oocytes, and higher levels of heat-shock proteins, which are part of the honey bee’s antiviral response. This work together shows that viral infections occurring naturally in the field are compromising queen reproductive success.
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Wagemans J, Holtappels D, Vainio E, Rabiey M, Marzachì C, Herrero S, Ravanbakhsh M, Tebbe CC, Ogliastro M, Ayllón MA, Turina M. Going Viral: Virus-Based Biological Control Agents for Plant Protection. ANNUAL REVIEW OF PHYTOPATHOLOGY 2022; 60:21-42. [PMID: 35300520 DOI: 10.1146/annurev-phyto-021621-114208] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The most economically important biotic stresses in crop production are caused by fungi, oomycetes, insects, viruses, and bacteria. Often chemical control is still the most commonly used method to manage them. However, the development of resistance in the different pathogens/pests, the putative damage on the natural ecosystem, the toxic residues in the field, and, thus, the contamination of the environment have stimulated the search for saferalternatives such as the use of biological control agents (BCAs). Among BCAs, viruses, a major driver for controlling host populations and evolution, are somewhat underused, mostly because of regulatory hurdles that make the cost of registration of such host-specific BCAs not affordable in comparison with the limited potential market. Here, we provide a comprehensive overview of the state of the art of virus-based BCAs against fungi, bacteria, viruses, and insects, with a specific focus on new approaches that rely on not only the direct biocidal virus component but also the complex ecological interactions between viruses and their hosts that do not necessarily result in direct damage to the host.
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Affiliation(s)
| | | | - Eeva Vainio
- Forest Health and Biodiversity, Natural Resources Institute Finland (Luke), Helsinki, Finland
| | - Mojgan Rabiey
- School of Biosciences, University of Birmingham, Birmingham, United Kingdom
| | - Cristina Marzachì
- Istituto per la Protezione Sostenibile delle Piante, CNR, Torino, Italy;
| | - Salvador Herrero
- Department of Genetics and University Institute of Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | | | - Christoph C Tebbe
- Thünen Institute of Biodiversity, Federal Research Institute for Rural Areas, Forestry and Fisheries, Braunschweig, Germany
| | | | - María A Ayllón
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid-Instituto Nacional de Investigación Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
- Departamento Biotecnología-Biología Vegetal, E.T.S.I. Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Madrid, Spain
| | - Massimo Turina
- Istituto per la Protezione Sostenibile delle Piante, CNR, Torino, Italy;
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Sacbrood Virus: A Growing Threat to Honeybees and Wild Pollinators. Viruses 2022; 14:v14091871. [PMID: 36146677 PMCID: PMC9505205 DOI: 10.3390/v14091871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/17/2022] Open
Abstract
Sacbrood virus (SBV) is one of the many viruses that infect both the Western honeybee (Apis mellifera) and the Eastern honeybee (Apis cerana). Recently, the interspecies transmission of SBV has been discovered, especially among wild pollinators. This newly discovered evolutionary occurrence regarding SBV indicates a much wider host range than previously believed, causing further concern about the future sustainability of agriculture and the resilience of ecosystems. Over the past few decades, vast numbers of studies have been undertaken concerning SBV infection in honeybees, and remarkable progress has been made in our understanding of the epidemiology, pathogenesis, transmission, and manifestations of SBV infection in honeybees and other pollinators. Meanwhile, some methods, including Chinese medicine, have been established to control and prevent sacbrood disease in A. cerana in Asian countries. In this review, we summarize the existing knowledge of SBV and address the gaps in the knowledge within the existing literature in the hope of providing future directions for the research and development of management strategies for controlling the spread of this deadly disease.
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Dogantzis KA, Tiwari T, Conflitti IM, Dey A, Patch HM, Muli EM, Garnery L, Whitfield CW, Stolle E, Alqarni AS, Allsopp MH, Zayed A. Thrice out of Asia and the adaptive radiation of the western honey bee. SCIENCE ADVANCES 2021; 7:eabj2151. [PMID: 34860547 PMCID: PMC8641936 DOI: 10.1126/sciadv.abj2151] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The origin of the western honey bee Apis mellifera has been intensely debated. Addressing this knowledge gap is essential for understanding the evolution and genetics of one of the world’s most important pollinators. By analyzing 251 genomes from 18 native subspecies, we found support for an Asian origin of honey bees with at least three expansions leading to African and European lineages. The adaptive radiation of honey bees involved selection on a few genomic “hotspots.” We found 145 genes with independent signatures of selection across all bee lineages, and these genes were highly associated with worker traits. Our results indicate that a core set of genes associated with worker and colony traits facilitated the adaptive radiation of honey bees across their vast distribution.
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Affiliation(s)
- Kathleen A. Dogantzis
- Department of Biology, York University, 4700 Keele Street, Toronto, M3J 1P3 Ontario, Canada
| | - Tanushree Tiwari
- Department of Biology, York University, 4700 Keele Street, Toronto, M3J 1P3 Ontario, Canada
| | - Ida M. Conflitti
- Department of Biology, York University, 4700 Keele Street, Toronto, M3J 1P3 Ontario, Canada
| | - Alivia Dey
- Department of Biology, York University, 4700 Keele Street, Toronto, M3J 1P3 Ontario, Canada
| | - Harland M. Patch
- Department of Entomology, The Pennsylvania State University, State College, PA, USA
| | - Elliud M. Muli
- Department of Life Science, South Eastern Kenya University (SEKU), P.O. Box 170-90200, Kitui, Kenya
| | - Lionel Garnery
- Laboratoire Evolution Génome Comportement Ecologie (EGCE) UMR 9191, Gif sur-Yvette, France
| | - Charles W. Whitfield
- Department of Entomology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Eckart Stolle
- LIB–Leibniz Institute for the Analysis of Biodiversity Change Museum Koenig, Center of Molecular Biodiversity Research Adenauerallee 160, 53113 Bonn, Germany
| | - Abdulaziz S. Alqarni
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Michael H. Allsopp
- Plant Protection Research Institute, Agricultural Research Council, Stellenbosch, South Africa
| | - Amro Zayed
- Department of Biology, York University, 4700 Keele Street, Toronto, M3J 1P3 Ontario, Canada
- Corresponding author.
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Chille E, Strand E, Neder M, Schmidt V, Sherman M, Mass T, Putnam H. Developmental series of gene expression clarifies maternal mRNA provisioning and maternal-to-zygotic transition in a reef-building coral. BMC Genomics 2021; 22:815. [PMID: 34763678 PMCID: PMC8588723 DOI: 10.1186/s12864-021-08114-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Maternal mRNA provisioning of oocytes regulates early embryogenesis. Maternal transcripts are degraded as zygotic genome activation (ZGA) intensifies, a phenomenon known as the maternal-to-zygotic transition (MZT). Here, we examine gene expression over nine developmental stages in the Pacific rice coral, Montipora capitata, from eggs and embryos at 1, 4, 9, 14, 22, and 36 h-post-fertilization (hpf), as well as swimming larvae (9d), and adult colonies. RESULTS Weighted Gene Coexpression Network Analysis revealed four expression peaks, identifying the maternal complement, two waves of the MZT, and adult expression. Gene ontology enrichment revealed maternal mRNAs are dominated by cell division, methylation, biosynthesis, metabolism, and protein/RNA processing and transport functions. The first MZT wave occurs from ~4-14 hpf and is enriched in terms related to biosynthesis, methylation, cell division, and transcription. In contrast, functional enrichment in the second MZT wave, or ZGA, from 22 hpf-9dpf, includes ion/peptide transport and cell signaling. Finally, adult expression is enriched for functions related to signaling, metabolism, and ion/peptide transport. Our proposed MZT timing is further supported by expression of enzymes involved in zygotic transcriptional repression (Kaiso) and activation (Sox2), which peak at 14 hpf and 22 hpf, respectively. Further, DNA methylation writing (DNMT3a) and removing (TET1) enzymes peak and remain stable past ~4 hpf, suggesting that methylome programming occurs before 4 hpf. CONCLUSIONS Our high-resolution insight into the coral maternal mRNA and MZT provides essential baseline information to understand parental carryover effects and the sensitivity of developmental success under increasing environmental stress.
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Affiliation(s)
- Erin Chille
- Department of Biological Sciences, University of Rhode Island, Rhode Island, USA.
| | - Emma Strand
- Department of Biological Sciences, University of Rhode Island, Rhode Island, USA
| | - Mayaan Neder
- Department of Marine Biology, The Leon H. Charney School of Marine Sciences, University of Haifa, Haifa, Israel
- The Interuniversity Institute of Marine Science, 88103, Eilat, Israel
| | | | - Madeleine Sherman
- Department of Biological Sciences, University of Rhode Island, Rhode Island, USA
| | - Tali Mass
- Department of Marine Biology, The Leon H. Charney School of Marine Sciences, University of Haifa, Haifa, Israel
| | - Hollie Putnam
- Department of Biological Sciences, University of Rhode Island, Rhode Island, USA
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Bouuaert DC, De Smet L, de Graaf DC. Breeding for Virus Resistance and Its Effects on Deformed Wing Virus Infection Patterns in Honey Bee Queens. Viruses 2021; 13:v13061074. [PMID: 34199957 PMCID: PMC8228329 DOI: 10.3390/v13061074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 01/21/2023] Open
Abstract
Viruses, and in particular the deformed wing virus (DWV), are considered as one of the main antagonists of honey bee health. The 'suppressed in ovo virus infection' trait (SOV) described for the first time that control of a virus infection can be achieved from genetically inherited traits and that the virus state of the eggs is indicative for this. This research aims to explore the effect of the SOV trait on DWV infections in queens descending from both SOV-positive (QDS+) and SOV-negative (QDS-) queens. Twenty QDS+ and QDS- were reared from each time four queens in the same starter-finisher colony. From each queen the head, thorax, ovaries, spermatheca, guts and eviscerated abdomen were dissected and screened for the presence of the DWV-A and DWV-B genotype using qRT-PCR. Queens descending from SOV-positive queens showed significant lower infection loads for DWV-A and DWV-B as well as a lower number of infected tissues for DWV-A. Surprisingly, differences were less expressed in the reproductive tissues, the ovaries and spermatheca. These results confirm that selection on the SOV trait is associated with increased virus resistance across viral genotypes and that this selection drives DWV towards an increased tissue specificity for the reproductive tissues. Further research is needed to explore the mechanisms underlying the interaction between the antiviral response and DWV.
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