Investigation of the internal bacterial flora of Eurygaster integriceps (Hemiptera: Scutelleridae) and pathogenicity of the flora members

Çelebi, Ömer; Sevim, Elif; Sevim, Ali

doi:10.2478/s11756-014-0445-x

Cited by 6 publications

(2 citation statements)

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“…Gut bacteria also have the potential to be used as a biological agent in pine forest protection. It has been reported that bacterial symbionts could be genetically modified by genetic engineering techniques to synthesize pest killing proteins or substances [14]. Hence, this study could be useful in the development of biological control agents for bark beetles, which have been understudied [15].…”

Section: Introductionmentioning

confidence: 99%

Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi)

Zhang

et al. 2016

Forests

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This study investigated the influence of starvation on the structure of the gut bacterial community in the Chinese white pine beetle (Dendroctonus armandi). A total of 14 operational taxonomic units (OTUs 0.03 ) clusters belonging to nine genera were identified. Denaturing gradient gel electrophoresis (DGGE) profiles of bacterial PCR-amplified 16S rRNA gene fragments from the guts of starved male and female adults revealed that the bacterial community diversity increased after starvation. The dominant genus Citrobacter decreased significantly, whereas the genus Serratia increased in both starved female and starved male adults. The most predominant bacterial genus in D. armandi adults was Citrobacter, except for starved male adults, in which Serratia was the most abundant genus (27%). Our findings reveal that starvation affects gut bacterial dynamics in D. armandi, as has been observed in other insect species.

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Section: Introductionmentioning

confidence: 99%

Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi)

Zhang

et al. 2016

Forests

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“…This bacterium was also found to bepathogenic for D. micans at a rate of 86% on larvae and 44.4% on adults for possible potential biological control agents [26]. Çelebi et al [28] isolated this bacterium from the sunn pest, Eurygaster integriceps (Hemiptera: Scutelleridae), and they tested the insecticidal potential on this pest. Paenibacillus polymyxa isolated from honeybees in this study was found in a variety of environments [29].…”

Section: Discussionmentioning

confidence: 99%

Pathogenicity of aerobic bacteria isolated from honeybees (Apis mellifera) in Ordu Province

Boğ¹,

Ertürk²,

Yaman³

2020

Turk J Vet Anim Sci

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of the honeybee and test their insecticidal effects on adult honeybees. 2. Materials and methods 2.1. Insect samples Samples of honeybees were collected from bee farms in the vicinity of Ordu,Turkey from May to September.The adult bees collected from the hives were placed in plastic boxes (20 × 20 cm) with punched lids for ventilation, and sugar cake was given in small pieces until the bees were transported to the laboratory for examination. Following this, healthy, diseased, and dead adult bees were separated for observation and used to isolate bacteria that could cause disease. 2.2. Isolation of bacteria Isolation and purification of bacteria was carried out individually from dead and live honeybees. The live and dead adults were individually surface sterilized by using 70% ethanol for 3 min [8] and washed 3 times with sterile water. The dead honeybee carcasses were homogenized in feeder medium using a glass tissue mill, and 2 layers Abstract: The honeybee (Apis mellifera) is an important pollinator insect. Any pathogenic infection in this beneficial insect is undesirable. In this study, bacterial diversity in beehives was investigated to determine the potential of pathogenic bacteria in honeybees. To do this, bacterial isolations were carried out from dead and diseased adult bees collected from 9 districts in Ordu Province in Turkey.Twenty species of pathogenic bacteria, 18 of which were nonsporeforming Staphylococcus lentus, Klebsiella oxytoca, Citrobacter freundii, Leucanostoc mesenteroides ssp. cremoris, Kocuria rosea, Kocuria kristinae, Sphingomonas paucimobilis slashline, Burkholderia cepacia, Leucanostoc mesenteroides ssp. dextranicum,Hafnia alvei, Escherichia coli, Aeromonas salmonicida, Citrobacter braakii, Pantoea agglomerans, Streptococcus equi ssp. zooepidemicus, Staphylococcus pseudintermedius, Staphylococcus lugdunesis and Staphylococcus vitulinus and 2 sporeforming Bacillus licheniformis and Paenibacillus polymyxa, were isolated and identified from the honeybees. The infectivity of these bacteria were also documented with bioassay experiments on the healthy bees.The highest insecticidal effectwas determinedwith Bacillus licheniformis (84%), Escherichia coli (84%), and Streptococcus equi ssp. zooepidemicus (80%) on the adult honeybees.This result confirms that the honeybee contains a very large number of bacterial species and that the majority of them are pathogenic for the species in Turkey. In addition, some of the entomopathogenic bacteria used for biological control can have negative impact on this economically important insect.

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Bacterial pathogens from Diprion pini L. (Hymenoptera: Diprionidae) and their biocontrol potential

Çelik

Sevim

2022

Biologia

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Investigation of the internal bacterial flora of Eurygaster integriceps (Hemiptera: Scutelleridae) and pathogenicity of the flora members

Cited by 6 publications

References 50 publications

Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi)

Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi)

Pathogenicity of aerobic bacteria isolated from honeybees (Apis mellifera) in Ordu Province

Bacterial pathogens from Diprion pini L. (Hymenoptera: Diprionidae) and their biocontrol potential

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