Virus infections of honeybees Apis Mellifera

Tantillo, Giuseppina; Bottaro, Marilisa; Pinto, Angela Di; Martella, Vito; Pinto, Pierfrancesco; Terio, Valentina

doi:10.4081/ijfs.2015.5364

Cited by 63 publications

(81 citation statements)

References 133 publications

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“…DWV is reported as the most important honey bee viral pathogen causing the death of millions of colonies across the northern hemisphere [1,2]. However, the proportion of honey bees with deformed wings (i.e., symptomatic bees) in a colony is normally low (<1%) despite a high proportion of asymptomatic honey bees being infected with high viral titres of DWV [3].…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Deformed Wing Virus in Deformed and Asymptomatic Honey Bees

Brettell

Mordecai

Schroeder

et al. 2017

Insects

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Deformed wing virus (DWV) in association with Varroa destructor is currently attributed to being responsible for colony collapse in the western honey bee (Apis mellifera). The appearance of deformed individuals within an infested colony has long been associated with colony losses. However, it is unknown why only a fraction of DWV positive bees develop deformed wings. This study concerns two small studies comparing deformed and non-deformed bees. In Brazil, asymptomatic bees (no wing deformity) that had been parasitised by Varroa as pupae had higher DWV loads than non-parasitised bees. However, we found no greater bilateral asymmetry in wing morphology due to DWV titres or parasitisation. As expected, using RT-qPCR, deformed bees were found to contain the highest viral loads. In a separate study, next generation sequencing (NGS) was applied to compare the entire DWV genomes from paired symptomatic and asymptomatic bees from three colonies on two different Hawaiian islands. This revealed no consistent differences between DWV genomes from deformed or asymptomatic bees, with the greatest variation seen between locations, not phenotypes. All samples, except one, were dominated by DWV type A. This small-scale study suggests that there is no unique genetic variant associated with wing deformity; but that many DWV variants have the potential to cause deformity.

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Section: Introductionmentioning

confidence: 99%

A Comparison of Deformed Wing Virus in Deformed and Asymptomatic Honey Bees

Brettell

Mordecai

Schroeder

et al. 2017

Insects

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“…SBV also infected A. dorsata (giant Asian honeybee), which was reported from Indonesia (Roberts & Anderson, ). The prevalence of SBV virus has been reported to be (97%) in France, DWV which has (100%) infected adult bee (Tantillo et al., ). The prevalence of SBV was reported in Denmark, France, Austria, India, Vietnam and China (Ai et al., ).…”

Section: Discussionmentioning

confidence: 99%

Prevalence of bee viruses in Apis cerana cerana populations from different locations in the Fujian Province of China

Hassanyar

Huang

et al. 2019

MicrobiologyOpen

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Prevalence of honeybee viral diseases has recently been causing major problems in the beekeeping industry, causing economic losses worldwide. Honeybees are susceptible to a variety of diseases and various pathogens. Among these pathogens, prevalence viruses, along with other factors, are seriously threatening the health of bee species. In the present study, samples were collected from 80 Apis cerana cerana (A. c. cerana) colonies from three different locations, Cangshan, Fuan, and Yongtai, in the Fujian Province of China. All samples were screened using the reverse transcription polymerase chain reaction (RT‐PCR) method for detection of seven honeybee viruses, namely, Chinese sacbrood virus (CSBV), deformed wing virus (DWV), Israeli acute paralysis virus (IAPV), black queen cell virus (BQCV), chronic bee paralysis virus (CBPV), acute bee paralysis virus (ABPV), and Kashmir bee virus (KBV). Our results showed that CSBV was the most prevalent as it was detected in (90%), of the samples, DWV was detected in (81.25%), and IAPV was detected in (26.25%). In contrast, insignificant prevalence results were obtained from all apiaries for BQCV, CBPV, APBV, and KBV, which were not detected in any sample. Here, we are providing the first report on the molecular detection of honeybee viruses, especially the prevalence of IAPV, from different regions in the Fujian Province of China with a high prevalence of bee viruses, on A. c. cerana, and there is great concern for the presence of honeybee viruses in the population of the native honeybee (A. c. cerana) in China.

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“…VPg is important for stabilization of the 5N end of the RNA genome and serves as a primer for replication and translation. At the 5N end, there is a long untranslated region (UTR) containing a clover-leaf secondary structure, assumed to be involved in the initiation of translation (Tantillo et al, 2015).…”

Section: Viruses In Honey Beesmentioning

confidence: 99%

“…In the early stage of infection larvae become yellow. The dead larvae become dark brown to black and resemble the worker bee larvae (Tantillo et al, 2015).…”

Section: Acute Bee Paralysis Virus -Kashmir Bee Virus -Israeli Acute mentioning

confidence: 99%

Viral infections of Apis mellifera : its importance, dynamics, diagnostics and treatment opportunities

Matusiewicz¹,

Margas²,

Mazurek³

et al. 2016

bta

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Honey bees (Apis mellifera ) play a crucial function in terrestrial ecosystems by maintaining floral biodiversity and providing sustainable agriculture through pollination. Bees affect 35% of the world's crop production, hence, they are essential for economic sustainability, agriculture and food security. The economic value of pollination by bees goes beyond agricultural production. An important role of bees is pollination of the plants that provide food to the wild animals, and this is part of the proper functioning of the ecosystem. On the one hand Apis mellifera has great adaptive potential and it may be found in highly diverse climates almost everywhere in the world, but on the other hand bees are under constant threat by numerous pathogens including bacteria, viruses, fungi, Microsporidia, mites and insects. Other stress factors include environmental change-related stresses, pesticides, malnutrition and migratory beekeeping. The interactions among these, along with possibly other unknown factors, are causing widespread decline in honey bee populations -Colony Collapse Disorder (CCD) syndrome. Viruses are the most recent and still poorly investigated pathogens of the honey bees. Simultaneously, Varroa destructor mites and viruses are currently the high-profile suspects in collapsing bee colonies. Varroa acts as a vector for a range of RNA viruses of honey bees which are transferred when the mite feeds on hemolymph from the developing pupa. This publication aims to present an overview of the most important honey bee viruses, their diagnostics methods and treatment opportunities with emphasis on the most common and devastating viruses from Dicistroviridae and Iflaviridae families.

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Virus infections of honeybees Apis Mellifera

Cited by 63 publications

References 133 publications

A Comparison of Deformed Wing Virus in Deformed and Asymptomatic Honey Bees

A Comparison of Deformed Wing Virus in Deformed and Asymptomatic Honey Bees

Prevalence of bee viruses in Apis cerana cerana populations from different locations in the Fujian Province of China

Viral infections of Apis mellifera : its importance, dynamics, diagnostics and treatment opportunities

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