Metalloprotease production by Paenibacillus larvae during the infection of honeybee larvae
نویسندگان
چکیده
منابع مشابه
Detection of Paenibacillus larvae larvae spores in honey and diseased larvae Samples by culture and PCR
American foulbrood (AFB) is the most serious brood disease of the honey bee. Traditional methods are reliable but rather slow simply because they are based on biochemical, morphological and physiological identification of cultivated isolates. The aim of this study is the detection of Paenibacillus larvae larvae spores in honey and diseased larvae samples by culture and PCR. Therefore 54 samp...
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The honeybee disease known as American foulbrood is a serious economic problem for beekeepers. It is caused by the bacterium Paenibacillus larvae subsp. larvae (formerly Bacillus larvae) (9). Honeybee larvae become infected by swallowing spores of P. larvae larvae that contaminate their food. After spores germinate in the midgut of a larva, the vegetative forms penetrate the tissue of the intes...
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antibacterial effects of honeybee propolis tested on the paenibacillus larvae larvae, cause of honeybee american foulbrood disease. after cultivation of bacterium in special medium we used of two antibacterial susceptibility tests: broth dilution susceptibility test and paper disk susceptibility test. in the b.d.s.t 0.32 milligrams/ml and higher concentrations of propolis inhibited growth of th...
متن کاملTranscriptional immune responses by honey bee larvae during invasion by the bacterial pathogen, Paenibacillus larvae.
Honey bee larvae are highly susceptible to the bacterial pathogen Paenibacillus larvae only during the first instar of larval development. Transcript levels were measured for genes encoding two antimicrobial peptides, abaecin and defensin, as well as for two candidates in the immune response cascade (PGRP-LD and masquerade) in control larvae and larvae exposed to the pathogen. Transcripts for a...
متن کاملCharacterization of secreted proteases of Paenibacillus larvae, potential virulence factors involved in honeybee larval infection.
Paenibacillus larvae is the causative agent of American Foulbrood (AFB), the most severe bacterial disease that affects honeybee larvae. AFB causes a significant decrease in the honeybee population affecting the beekeeping industry and agricultural production. After infection of larvae, P. larvae secretes proteases that could be involved in the pathogenicity. In the present article, we present ...
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ژورنال
عنوان ژورنال: Microbiology
سال: 2011
ISSN: 1350-0872,1465-2080
DOI: 10.1099/mic.0.044321-0