Journal of National Fisheries University

PISSN : 0370-9361

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Journal of National Fisheries University Volume 65 Issue 3
published_at 2017-03

Inducible Granules in Neutrophils from Red Seabream Pagrus major Infected with Atypical Edwardsiella tarda (=Edwardsiella anguillarum)

非定型Edwardsiella tarda (=Edwardsiella anguillarum)に感染したマダイの好中球の誘導型顆粒
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Descriptions
Numerous alkaline phosphatase (AIP)-positive granules appeared in neutrophils of red seabream Pagrus major after infection with pathogenic bacteria., atypical Edwardsiella tarda (=Edwardsiella anguillarum). This granule consisted of AIP-positive core and its AIP-negative surrounding. Both parts were chromophobic with May-Grunwald ・ Giemsa stain, and react negatively to several lysosomal enzymes, peroxidase, Sudan black B, etc. This granule type was not found in the neutrophils from non-infected fish. Therefore, the granules may be induced by infection with E. tarda. We designate the granule inducible chromophobic granules (iβG).
Creator Keywords
granule
neutrophil
Pagrus major
red seabream
Edwardsiella tarda
Edwardsiella anguillarum