Digestive enzymes of the shrimp Penaeus japonicus-I. Characteristics of amylase and protease of the shrimp Penaeus japonicus.
نویسندگان
چکیده
منابع مشابه
kuruma shrimp, Penaeus japonicus
A filamentous form of mollicute-like bacterium was detected during a routine health survey of wild adult kuruma shrimp Penaeus japonicus. The kuruma shrimp were native to Japan and were imported to Korea. The histology showed no pathological changes. Transmission electron microscopy revealed extensive infections of hepatopancreatic epithelial cells by a pleomorphic, filamentous intracellular ba...
متن کاملEffects of turbidity on survival, osmoregulation and gill Na+-K+ ATPase in juvenile shrimp Penaeus japonicus
Penaeus japonicus juveniles were exposed for 3 wk to different turbidities of suspended sediments: control [2 + 2 nephelometric turbidity units (NTU)], medium turbidity (35 f 15 NTU) and high turbidity (65 f 15 NTU). The mortality rate increased after exposure to high turbidity Exposed late luveniles became less tolerant to changes in ambient salinity and showed hlgher mortalities at low salini...
متن کاملThe Fine Structure of the Schwann Cell Sheath of the Nerve Fiber in the Shrimp (penaeus Japonicus)
The giant nerve fiber of the shr imp is known to have enormously h igh conduct ion velocity, 90 200 m/see (Kusano, 1965). W h e n one considers the morphological basis for this physiological property, there arise two questions: whe ther there is in the nerve sheath any par t icular fine structural feature which accounts for the h igh conduct ion velocity; and, the most fundamenta l problem, whe...
متن کاملLethal attribute of serine protease secreted by Vibrio alginolyticus strains in kuruma prawn Penaeus japonicus.
Toxicity of the extracellular products (ECP) and the lethal attribute of serine protease secreted by five pathogenic Vibrio alginolyticus strains from various sources in kuruma prawn Penaeus japonicus were studied. The ECPs of organisms originally isolated from diseased kuruma prawn or small abalone Haliotis diversicolor supertexta were more lethal (LD50 value of 0.48 or 0.41 microg protein/g p...
متن کاملthe analysis of the role of the speech acts theory in translating and dubbing hollywood films
از محوری ترین اثراتی که یک فیلم سینمایی ایجاد می کند دیالوگ هایی است که هنرپیش گان فیلم میگویند. به زعم یک فیلم ساز, یک شیوه متأثر نمودن مخاطب از اثر منظوره نیروی گفتارهای گوینده, مثل نیروی عاطفی, ترس آور, غم انگیز, هیجان انگیز و غیره, است. این مطالعه به بررسی این مسأله مبادرت کرده است که آیا نیروی فراگفتاری هنرپیش گان به مثابه ی اعمال گفتاری در پنج فیلم هالیوودی در نسخه های دوبله شده باز تولید...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1982
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.48.1753