• 제목/요약/키워드: carp

검색결과 479건 처리시간 0.022초

METALLOTHIONEIN GENE EXPRESSION BY CADMIUM IN CRUCIAN CARP (CARASSIUS AURATUS)

  • Nam, Seong-Sook;Heekyung Bae;Kim, Eunkyoung;Moon, Chang-Kiu;Jeon, Seong-Hwan;Na, Jin-Gyun;Park, Kwangsik
    • 한국독성학회:학술대회논문집
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    • 한국독성학회 2002년도 Current Trends in Toxicological Sciences
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    • pp.127-127
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    • 2002
  • Methallothioneins(MTs) are low-molecular-mass cysteine-rich metal-binding proteins with high affinity for heavy metal ions, found in a large variety of organisms. Although the biological functions of MTS have not been fully elucidated, they are thought to play an important role in detoxification of toxic elements such as cadmium and mercury.(omitted)

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Genetic Similarity and Variation in the Cultivated and Wild Carassius carassius Estimated with Random Amplified Polymorphic DNAs

  • Yoon, Jong-Man;Kim, Tae-Sun
    • 한국발생생물학회:학술대회논문집
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    • 한국발생생물학회 2001년도 후기 제12차 학술대회 논문집
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    • pp.34-35
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    • 2001
  • RAPD analysis based on numerous markers have been used to investigate patterns of genetic differentiation ann and within two cultured and wild populations represented by the species crucian carp(Carassius carassius). From RAPD analysis using five primers, a total of 442 polymorphic bands were obtained in two populations and 273 were found to be specific to a wild population. According to RAPD-based estimates, average number of polymorphic bands in wild population was approximately 1.5 times as diverse as that in cultured. The average level of bandsharing values was $0.40 \pm 0.05$ in wild population, but was $0.69 \pm 0.08$ in cultured population, With reference to bandsharing values and banding patterns, wild population was considerably more diverse than cultured population. Knowledge of the genetic diversity of crucian carp should help in formulating more effective strategies for managing this aquacultural fish species.

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Stimulation of Spermiation by Human Chorionic Gonadotropin and Carp Pituitary Extract in Grass Puffer, Takifugu niphobles

  • Goo, In Bon;Park, In-Seok;Gil, Hyun Woo;Im, Jae Hyun
    • 한국발생생물학회지:발생과생식
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    • 제19권4호
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    • pp.253-258
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    • 2015
  • Spermiation was stimulated in the mature grass puffer, Takifugu niphobles, with an injection of human chorionic gonadotropin (HCG) or carp pituitary extract (CPE). Spermatocrit and sperm density were reduced, but milt production was increased in both the HCG and CPE treatment groups relative to those in the control group (P < 0.05). These results should be useful for increasing the fertilization efficiency in grass puffer breeding programs.

어류 Metallothionein의 툭성 및 수질오염 평가를 위한 생물모니터링에의 응용 (The Characteristics of Fish Metallothionein and Its Application to the Biomonitoring for the Evaluation of Water Pollution)

  • 황갑수
    • Environmental Analysis Health and Toxicology
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    • 제12권3_4호
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    • pp.15-22
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    • 1997
  • This experiment was performed to examine the immuno-reactive characteristics of fish metal-binding protein, metallothionein (MT), and gain the practical understandings for the proposed use of fish MT as a biomarker. Liver MT induced by Cd in the silver carp was seperated and purified by gel filtration chromatography and ion exchange chromatography. The immuno-reactivity of fish MT was examined with 3 rabbit antisera. Fish MT showed little reactivity with rabbit anti-rat MT antiserum and a weak reactivity with anti-MT peptide antiserum while showed a strong reactivity with rabbit anti-fish MT antiserum. The time-course change of liver MT in the silver carp, after waterborne exposure to 1 ppm of Cd, was checked by Cd-hem method and established competitive ELISA. In both cases, the induction of liver MT showed a good increasing relationship with the exposure days. The results indicate that the fish MT can be developed as a useful biomonitoring means in the toxicological study and for the evaluation of water pollution.

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어류 Metallothionein에 대한 특이적 면역 효소 측정법의 확립에 관한 연구 (The Study on the Establishment of Specific ELISA for the Detection of Fish Metallothionein)

  • 황갑수
    • Environmental Analysis Health and Toxicology
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    • 제11권1_2호
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    • pp.11-17
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    • 1996
  • The purpose of this experiment is to estabilish the sensitive and specific ELISA (enzyme linked immunosorbent assay) system for the detection of fish metallothionein (MT). Silver carp were injected with CA of 1-8mg/kg body wt. 4 times during 10 days. Silver carp was very tolerant species to CA. Cd induced MT in liver was seperated and purified by gel filtration chromatography and ion exchange chromatography and identified by spectrophotometry, native gel electrophoresis and western blot analysis. The rabbit antiserum was produced by immunizing rabbit with lyophilized MT, and the competitive ELISA system was estabilished for the detection of fish MT. In the present ELISA system, the detection limit was about 33 ng/ml. When this ELISA system was employed to determine the MT level in the supernatant sample of fish liver homogenate, the reaction curve showed a good parallel corelationship with the calibration curve over a certain dilution range. The results indicate that the competitive ELISA can be a useful tool for the detection of fish MT in the toxicological study and the evaluation of water pollution.

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