First record of Aspergillus oryzae as an entomopathogenic fungus against the poultry red mite Dermanyssus gallinae

Wang, Chuanwen; Huang, Yu; Zhao, Jiayi; Ma, Yuyun; Xu, Xiaolin; Wan, Qiang; Li, Hao; He, Yang; Pan, Baoliang

doi:10.1016/j.vetpar.2019.06.011

Cited by 14 publications

(8 citation statements)

References 34 publications

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“…Inoculation of Metarhizium strains at a concentration of 5 × 10 5 condidia per cm 2 reduced adult mite population by 56-95% in seven days (71). A comparable inoculum size of A. oryzae led to 10% higher mortality rate in treated PRM compared to the placebo group (70). Following field trials in poultry farms and appropriate control of dosage delivery, these fungal species may provide alternative options for biopesticides in the future.…”

Section: Biological Methodsmentioning

confidence: 99%

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Parasitic Mite Fauna in Asian Poultry Farming Systems

Sparagano

2020

Front. Vet. Sci.

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The ubiquitous presence of hematophagous avian mites threatens the poultry industry in Asia and worldwide, adversely affecting the quality and quantity of eggs and poultry meat produced by affected flocks. This leads to considerable economic loss and welfare-related issues. The role of these blood-feeding arthropods as disease vectors is increasingly recognized as they may carry important zoonotic and epizootic pathogens. The poultry mites, Dermanyssus gallinae (Poultry Red Mite-PRM), Ornithonysus sylviarum (Northern Fowl Mite-NFM), and Ornithonyssus bursa (Tropical Fowl Mite-TFM) are endemic species across the Asian continent. In less frequency, scaly leg mite, depluming mite, and fowl cyst mite were documented. Considering global climate change and the popularity of backyard farming, the incidence of avian mite infestation is expected to increase as Asian production expands. The TFM may start to colonize subtropical nations where the seasonal temperature is comparable to tropical regions. Pyrethroids, organophosphates, carbamates, and macrocyclic lactones are licensed acaricides for use in China, Japan, and India. In recent years, the development of acaricide resistance has compromised the efficacy of chemical control measures. Several botanical acaricides based on plant and fungal constituents are being investigated. Judicious integration of multiple approaches to manage poultry mite infestation is advised. In this article, we review the prevalence, geographical distribution, zoonotic potential, and control measures of avian mites in poultry farms in Asia.

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Section: Biological Methodsmentioning

confidence: 99%

“…Another biological control method is the use of entomopathogenic fungi such as Aspergillus oryzae and Metarhizium spp. against PRM (70,71). Inoculation of Metarhizium strains at a concentration of 5 × 10 5 condidia per cm 2 reduced adult mite population by 56-95% in seven days (71).…”

Section: Biological Methodsmentioning

confidence: 99%

Parasitic Mite Fauna in Asian Poultry Farming Systems

Sparagano

2020

Front. Vet. Sci.

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“…Scanning electronic microscope observed that after fungal spray on mites, mycelia grew prolifically from the adult mite after 60 h of treatment, though no symptoms exhibited of fungal infection in the most immature stages of mites. Chuanwen et al 2019 recorded highly effective of the entomopathogenic fungus, Aspergillus oryzae against the poultry red mite, Dermanyssus gallinae. It showed highly mortality % in adult mites, up to 24.83 ± 2.25% compared to control which were 15.17 ± 2.75.…”

Section: Acaricidal Activity Of a Aflatoxiformans Against T Urticaementioning

confidence: 99%

Isolation and Identification of The Fungal Pathogen Aspergillus aflatoxiformans Strain and Its Role in Controlling The Two-Spotted Spider Mite Tetranychus urticae (Koch) عزل وتعريف المسبب المرضي Aspergillus aflatoxiformans ودوره في مکافحة أکاروس العنکبوت الأحمر ذي البقعتين Tetranychus urticae (Koch)

Emam

Mohamed

2021

Journal of Plant Protection and Pathology

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The two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) is the major mite pest infesting many cultivated crops. The fungus, Aspergillus aflatoxiformans Frisvad, Ezekiel, Samson & Houbraken produces aflatoxins where it considered as secondary polyketide metabolites, which cause the death of pests. Therefore, this work aimed to isolate and identify this fungus by amplify the internal transcribed spacer (ITS) region of the rDNA, as well as to evaluate the efficiency of this fungus to control T. urticae. Results showed 300bp DNA product corresponding to the omt-A gene. The existence of omt-A gene in A. aflatoxiformans reflected its ability to produce aflatoxin, which may be responsible of mite control. The efficacy of A. aflatoxiformans against T. urticae recorded the highest reduction percentage of eggs hatch at concentration of 1x10 8 conidia/ml within the 5 th and 6 th day after exposure. These percentages were 99.42 and 100%, respectively. The highest mortality percentage was recorded on the 4 th , 5 th and 6 th day at higher concentration of 1x10 8 . No eggs and larvae of T. urticae were observed within the 5 th and 6 th day after treatment at 1x10 8 . There were not observed nymphs at all tested concentrations. Microelectronic photos showed fungal conidia with cluster shaped which were developed at all T. urticae body surface 6 days after treatments at 1x10 7 and 1x10 8 . Results also confirmed that A. aflatoxiformans could be used successfully to control T. urticae eggs, immature stages and adults. Therefore, this fungus could be involved in any IPM programs of the two-spotted mite.

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“…Recently, a native isolate of Aspergillus oryzae, previously cultured by a dead D. gallinae, was checked for its activity against poultry red mite, showing a lethal activity by the sixth day after the administration of conidial suspension [249].…”

Section: Fungimentioning

confidence: 99%

Entomopathogenic Fungi and Bacteria in a Veterinary Perspective

Ebani

Mancianti

2021

Biology

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The present study aimed to review the papers dealing with the biological activity of fungi and bacteria against some mites and ticks of veterinary interest. In particular, the attention was turned to the research regarding acarid species, Dermanyssus gallinae and Psoroptes sp., which are the cause of severe threat in farm animals and, regarding ticks, also pets. Their impact on animal and human health has been stressed, examining the weaknesses and strengths of conventional treatments. Bacillus thuringiensis, Beauveria bassiana and Metarhizium anisopliae are the most widely employed agents. Their activities have been reviewed, considering the feasibility of an in-field application and the effectiveness of the administration alone or combined with conventional and alternative drugs is reported.

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First record of Aspergillus oryzae as an entomopathogenic fungus against the poultry red mite Dermanyssus gallinae

Cited by 14 publications

References 34 publications

Parasitic Mite Fauna in Asian Poultry Farming Systems

Parasitic Mite Fauna in Asian Poultry Farming Systems

Entomopathogenic Fungi and Bacteria in a Veterinary Perspective

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