نتایج جستجو برای: filariform larvae

تعداد نتایج: 32770  

2015
Philippos K. Tsourkas Diane G. Yost Andrew Krohn Lucy LeBlanc Anna Zhang Casey Stamereilers Penny S. Amy

We present here the complete genome sequences of nine phages that infect Paenibacillus larvae, the causative agent of American foulbrood disease in honeybees. The phages were isolated from soil, propolis, and infected bees from three U.S. states. This is the largest number of P. larvae phage genomes sequenced in a single publication to date.

2017
Dimitrios S. Politis Eleni Triantafyllidi Konstantinos H. Katsanos Dimitrios K. Christodoulou

A 69-year-old Caucasian male presented with a 6-month history of watery diarrhea without bleeding or weight loss. The patient had received chemotherapy for lung cancer 2 years before the appearance of his symptoms. His laboratory tests revealed eosinophilia, with an absolute eosinophil count of 1950 cells/μL in peripheral blood, without other inflammatory markers. Stool culture was negative for...

Journal: :Journal of clinical microbiology 1987
R M Genta D F Frei M J Linke

By using an enzyme-linked immunosorbent assay, serum immunoglobulin A (IgA) responses directed against Strongyloides stercoralis larvae antigens were measured in 104 presumably immunocompetent individuals with chronic uncomplicated strongyloidiasis and in 15 immunocompromised patients with S. stercoralis infection. Fifty healthy North American adults and 18 patients with other helminthic parasi...

H. Modirrousta, M. Moharrami N. Moeinfar

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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In order to identify trends and provide suitable diet for Schizothorax zarudnyi, the activity of alpha-amylase, trypsin, and lipase in five treatment groups including: fertilized egg, newly-hatched larvae, the larvae a day, larvae absorbed in the bag 2/ 3 yolk and absorption of yolk sac larvae, in 20 embryonated eggs and 80 larvae at the end of 53 days were studied. Analysis of the data showed ...

Journal: :Vaccine 2008
Yu-Hsuan Kai Shau-Chi Chi

Betanodavirus is the pathogen of viral nervous necrosis (VNN) disease that has caused mass mortality among many species of marine fish at larval stage. In this study, the efficacy of inactivated betanodavirus was evaluated by bath-immunization and bath-challenge of orange-spotted grouper (Epinephelus coioides) at early larval stage. Two kinds of chemicals were used for inactivation of the virus...

2013
Michael A. Sheflo Adam V. Gardner Bryan D. Merrill Joshua N. B. Fisher Bryce L. Lunt Donald P. Breakwell Julianne H. Grose Sandra H. Burnett

Paenibacillus larvae is a pathogen of honeybees that causes American foulbrood (AFB). We isolated bacteriophages from soil containing bee debris collected near beehives in Utah. We announce five high-quality complete genome sequences, which represent the first completed genome sequences submitted to GenBank for any P. larvae bacteriophage.

ژورنال: علمی شیلات ایران 2010
اسکندری, غلامرضا, سروی, بهزاد, عبداله تبار, یاسر, متین فر, عباس, محمودزاده, همایون,

Feeding behavior of yellowfin seabream larvae during the first two weeks of larval life was studied by feeding larvae  on different ratios of live food and  microencapsulated diet (MED). Food consumption rate increased progressively with increasing larval weight. The results from visual observation of the larval guts under a light microscope indicated that yellowfin seabream larvae were able to...

2016
Yuko HIRAI Toshinari SUZUKI Nanami INABA Naokazu MINOGUCHI Daisuke TAKAMATSU

American foulbrood is the most destructive honeybee bacterial disease. The etiological agent, Paenibacillus larvae, has been classified into four genotypes by a repetitive-element PCR (ERIC I-IV) and 21 sequence types by multilocus sequence typing (ST1-21). In this study, we genotyped Japanese P. larvae isolates for the first time and revealed the presence of three genotypes (ERIC I-ST2, ERIC I...

2016
Diane G. Yost Philippos Tsourkas Penny S. Amy

American Foulbrood Disease (AFB) is an infection of honeybees caused by the bacterium Paenibacillus larvae. One potential remedy involves using biocontrol, such as bacteriophages (phages) to lyse P. larvae. Therefore, bacteriophages specific for P. larvae were isolated to determine their efficacy in lysing P. larvae cells. Samples from soil, beehive materials, cosmetics, and lysogenized P. larv...

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