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Properties of two toxins newly isolated from oysters 总被引:2,自引:0,他引:2
Y Onoue T Noguchi J Maruyama K Hashimoto H Seto 《Journal of agricultural and food chemistry》1983,31(2):420-423
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Susumu Uji Tohru Suzuki Takashi Iwasaki Kazuhisa Teruya Keiichi Hirasawa Makoto Shirakashi Shizumasa Onoue Yoichi Yamashita Koichi Okuzawa 《Fisheries Science》2013,79(2):277-284
There are a number of reports documenting skeletal development in groupers, but surprisingly little is known about muscle development. We have documented muscle development in the seven-band grouper Epinephelus septemfasciatus (Thunberg), focusing primarily on the cranial muscles from 0 days post-hatching (dph) to 28 dph, using a modified whole mount immunohistochemical staining method. The eye muscles developed first followed by the cheek muscles, which completed development prior to first feeding. The muscles associated with the opercle and the levator internus 1 developed gradually and were not linked to first feeding. Later, between 12 and 16 dph, the muscle composition in the dorsal branchial arches changed to the adult form. We observed a number of cultured larvae that exhibited abnormal musculature in the body and jaw. Our results provide the first documentation of muscle development in larval seven-band grouper. This information can be used to detect abnormalities during development and provide a marker to assess the effect of changes in larval rearing techniques. 相似文献
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The effects of temperature, salinity, irradiance and pH on the growth of Fibrocapsa japonica (Raphidophyceae) were examined to determine how environmental factors affect the distribution of this species. Optimal growth was observed at temperatures of 15–25 C, salinities of 25–35 parts per thousand (ppt), irradiances of 60–140 μmol quanta/m2 per s and pH between 7.5–8.5. Growth did not occur at temperatures below 10 C or above 30 C nor at salinities below 15 ppt. Fibrocapsa japonica grew when subjected to irradiances of 20–180 μmol quanta/m2 per s, and could tolerate a pH range of 6.5–8.5. 相似文献