• 생명과학회지
• /
• 제8권3호
• /
• pp.348-351
• /
• 1998

Common DNA fragments of the ${\beta}$-globin gene were observed from six races of the adult common carp: Hybrid-Yamato, Japanese wild type, Mirror, Suwa-Yamato, Scale German, and Saku-Yamato. Chromosomal DNAs isolated from the above six races were digested with restriction endonucleased EcoRI and PstI. The digested fragments were transferred onto nitrocellulose filter and hybridized with a probe of carp ${\beta}$-globin cDNA. Molecular sizes of the hybridized DNA fragments digested with EcoRI were 3.6Kb(Kilo base), 4.3Kb and 15Kb in Hybrid-Yamato, Japanese wild type, Mirror, Scale German and Saku-Yamato carp DNAs. In Scale German and Saku-Yamato carp DNAs, two and one more hybridized DNA fragments were observed, respectively. Molecular sizes of the hybridized DNA fragments digested with PstI were 2.2Kb, 6.5Kb, 7.8Kb and 9.2Kb in Hybrid-Yamato, 2.2Kb, 6.5Kb and 9.2Kb in Japanese wild type, 2.2Kb, 6.5Kb, 7.8Kb, and 13Kb in Mirror, 2,2Kb, 5,5Kb, 6.5Kb, 7.8Kb, 9.2Kb and13Kb in Scale German, and 2.2Kb, 5.5Kb, 6.5Kb, 9.2Kb and Saku-Yamato carp DNA. Therefore, depending on carps, three to six DNA fragments were hybridized with ${\beta}$-globin gene probe. Thus it indicated polymorphysm in the globin gene family of carp.

• 한국해양생명과학회지
• /
• 제8권2호
• /
• pp.150-159
• /
• 2023

수인성 질산 노출에 대한 향어의 독성 영향을 확인하기 위해 96시간 동안 0, 4, 20, 100, 500 및 2,500 mg NO₃^-/L의 수인성 질산에 노출을 실시하였다. 질산 96시간 급성 노출에 의한 향어의 반수치사농도(LC50)는 1,433.54 mg NO₃^-/L로 나타났다. 혈액학적 성상을 통해 수인성 질산 노출이 향어에게 미치는 생리학적 변화를 평가하였으며, RBC count는 유의적인 감소를 나타내었다(p < 0.05). 혈장 무기성분을 통해 수인성 질산 노출에 따른 향어의 이온 조절 능력 변화를 평가하였으며, 혈장 무기성분에서 calcium과 magnesium은 유의적으로 감소하였다(p < 0.05). 혈장 유기성분을 통해 수인성 질산 노출로 인한 향어의 건강도와 스트레스 상태를 평가하였으며, 혈장 유기성분인 glucose는 유의적인 증가를 나타내었다(p < 0.05). 혈장 효소성분을 통해 수인성 질산 노출로 인한 간 손상도 및 효소 활성의 변화를 평가하였으며, 혈장 효소성분인 AST, ALT 및 ALP는 높은 수준의 수인성 질산 노출에서 유의적으로 감소하였다(p < 0.05). 본 연구의 결과는 C. carpio nudus에 대한 수인성 질산 노출이 생존율, 혈액학적 성상 및 혈장성분에 독성으로 영향을 미칠 수 있음을 의미한다.

• 한국어병학회지
• /
• 제35권1호
• /
• pp.65-75
• /
• 2022

Mirror carp, Cyprinus carpio nudus (weight 26.2±3.1 g, length 11.8±0.5 cm) were exposed to waterborne total ammonia nitrogen (TAN) at 0, 2, 4, 8, 16, 32, 64 and 128 mg TAN/L. The lethal concentration 50 (LC₅₀) of mirror carp, C. carpio nudus exposed to waterborne ammonia was 60.38 mg TAN/L. The red blood cell (RBC) count was significantly reduced by ammonia exposure, whereas there was no significant changes in the hemoglobin concentration and hematocrit value. In the plasma components, glucose, total protein, aspartate aminotransferase (AST) and alkaline phosphatase (ALP) were significantly increased by ammonia exposure. The results of this study suggest that the ammonia exposure to C. carpio nudus affects the survival rates, hematological parameters and plasma components as toxicity.

• 한국발생생물학회지:발생과생식
• /
• 제20권4호
• /
• pp.275-281
• /
• 2016

The purpose of this study was to investigate the improvement of growth in Israeli carp (Cyprinus carpio), and the cross experiment was carried out with two strains of Israeli carp. Four combinations of Israeli carp from Jeonbuk fisheries farm and Songpu mirror carp from Heilong Jiang, China (KK; Jeonbuk ♀ ${\times}$ Jeonbuk ♂, KC; Jeonbuk ♀ ${\times}$ China ♂, CC; China ♀ ${\times}$ China ♂ and CK; China ♀ ${\times}$ Jeonbuk ♂) were developed and reared. Body length, body weight and condition factor were determined at 20, 40, 60 and 170 days post-hatch (DPH). The results showed that there were differences in growth rate of the four groups. Body length of four groups were CK > CC > KC > KK and body weight were CC > CK > KC > KK at 170 DPH. The growth perfomance of four groups were statistically significant difference (P<0.05). During the rearing, CC group had longer length and higher weight at 170 DPH compared to other three groups and also condition factor was highest in the CC group, but there was no significant difference in a survival rate. These results indicated that the growth performance mainly depended upon brooder combination but survival rate could not significantly affect brooder.

• 한국수산과학회지
• /
• 제54권6호
• /
• pp.954-964
• /
• 2021

Mirror carp Cyprinus carpio nudus (weight 42.0±3.8 g, length 14.3±0.4 cm) were exposed to different concentrations of waterborne copper (0, 100, 200, 400, 800, and 1,600 ㎍ Cu²⁺·L^-1) at 20.3℃ for 96 h. The lethal concentration 50 of waterborne copper was 1,176.45 ㎍ Cu²⁺·L^-1. Among hematological parameters, red blood cell count was significantly decreased, whereas there were no significant changes in the hemoglobin concentration and hematocrit value. Among the inorganic plasma components, calcium was significantly decreased following copper exposure. Conversely, organic plasma components such as glucose and total protein were significantly increased. Similarly, enzymatic components, such as aspartate transaminase, alanine transaminase, and alkaline phosphatase, were also significantly increased. These findings suggest that the copper exposure is detrimental to the survival rates and physiology of C. carpio nudus.

• 한국환경보건학회지
• /
• 제29권4호
• /
• pp.1-3
• /
• 2003

Jinyangho is a natural water supply source of tap water in west Gyeongnam area, but mass mortality of crusian carp occurred during the time of temperature rise in spring. Examinations on diseased fishes were able to isolate four bacteria isolates and then identified the bacteria as a member of Aeromonas sp. Challenge experiment with mirror carp (Gyrinus carpiospecilaris) was proved the virulence, the isolates were in turn believed as the causative agent of mass mortality in Jinyangho.

• 한국어류학회지
• /
• 제32권4호
• /
• pp.210-221
• /
• 2020

1973년 이스라엘 잉어(향어)가 한국에 양식을 위해 도입된 이후 현재까지 품종개량에 대한 연구가 전무한 실정이다. 본 연구는 지속적인 근친교배로 인해 낮아진 국내 이스라엘 잉어의 유전적 다양성을 회복하고, 성장이 빠르고 비늘 개선을 위해 유전적 기반 교잡육종 연구를 수행하였다. 본 연구는 한국의 이스라엘 잉어의 품종개량을 위하여 국내 이스라엘 잉어와 중국의 송푸거울 잉어를 이용하여 4개의 교배구를 설정하여 F1을 생산하였다. 친어의 형태 및 유전학적 거리를 고려하여 교배지침을 설정하였다. 본 연구는 유전적 다양성과 친자분석을 위하여 microsatellite 마커와 유전형 데이터를 활용하였다. 그 결과, 국내 친어의 평균 대립유전자와 기대이형접합율은 8.3과 0.743이며, F1은 13.0과 0.764이었다. 국내 이스라엘 잉어와 중국 송푸거울 잉어의 품종 간 교배를 통하여 국내 이스라엘 잉어보다 F1의 유전적 다양성이 회복되었음을 나타내었다. 한국의 일반 이스라엘 잉어는 17개월에 1.7 kg이었고, 개량된 이스라엘 잉어는 2.2 kg에 도달하였다. 또한, KC(한국×중국) 교배그룹의 비늘수치는 2.52, 친어그룹의 비늘수치는 3.15로 나타나 F1은 친어보다 낮은 비늘수치(0.63)를 나타내었다. 품종개량된 이스라엘 잉어(F1; CK, KC)는 친어그룹 (F0)보다 비늘이 20% 개선되었으며, 일반 이스라엘 잉어에 비해 체중(27%)과 비늘(25%)이 향상되었다. 유전적 데이터를 기반으로 개발된 이스라엘 잉어는 상업성이 좋아 국내 이스라엘 양식업에 크게 기여할 것으로 생각된다.

• 대한수의학회지
• /
• 제37권1호
• /
• pp.203-212
• /
• 1997

Antibacterial efficacy and safety of copper sulfate pentahydrate (5% solution) was evaluated in laboratory and field studies for disinfection of some fish bacterial pathogens in cultured fish, flounder(Paralichthys olivaceus), mirror carp(Cyprinus carpio), gold fish(Carrassius auratus) and eel(Anguilla japonica). Dipping of fishes for acute toxicity was performed for a period of 48h, and the TLm value(median tolerance limit) were 4.0ppm in mirror carp and flounder, 4.4ppm in rainbow trout, and 10.0ppm in gold fish. After exposure below than TLm value for 1 month, no side effects and histopathological changes were observed. The test drug were shown high antibacterial activities against most bacterial pathogens by exposure in the laboratory and field trials. However, Aeromonas salmonicida showed a resistance to the dosage. We can prevent outbreaks of bacterial diseases of fish by the dosage of 1ppm for 6hr and the test drug is thought to be used effectively and widely as a disinfectant against most bacterial fish pathogens.

• 생명과학회지
• /
• 제8권3호
• /
• pp.249-256
• /
• 1998

일본의 잡종잉어 ${\beta}$사 globin유전자의 염기배열로부터 추정되는 아미노산 배열과 이미 보고되어 있는 ${\beta}$사 globin의 아미노산 배열을 비교한 결과, 금붕어와 가장 높은 상동성인 97.3%를 나타내었으며, 거울잉어 ${\beta}_B$와 95.2%, 거울 잉어 ${\beta}_A$와 93.9%의 높은 상동성을 나타내었다. 다음으로 송어(76.9%), 전기뱀장어(71.4%), 혹다랑어(61.9%), 성대(59.9%), 양태(58.5%), 시라칸스(52.4%), 폐어(46.9%), 상어(38.1%) 및 전기가오리(36.1%)의 순으로 나타났다. 또한 ${\beta}$사 globin의 아미노산 배열의 상동성을 기초로하여 분자진화의 계통수를 구하였을 때, 각각의 진화거리로부터 일본의 잡종잉어와 금붕어가 0.013으로 가장 가깝고, 분기한 것이 가장 근년인 것으로 생각되어졌다. 그 다음이 같은종인 거울잉어로 진화거리는 0.035였으며, 연골어류나 폐어와는 그 진화거리가 크게 벌어져 있어 상당히 오래전에 분기한 것으로 추정되었다. 일본 잡종이어의 ${\beta}$사 globin유전자로부터 추정되는 아미노산 배열과 이미 보고되어 있는 다른 척추동물의 아미노산 배열과 비교한 결과, 상동성은 오리(58.1%), 닭(57.8%), 쥐(55.1%), 사람(52.4%), 개구리(50.7%), 및 염소(45.9%)의 순으로 나타났다.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 2001년도 하계학술대회 논문집 C
• /
• pp.1924-1926
• /
• 2001

A novel wet release process ($\mu$ CARP - Micro Channel Assisted Release Process) for releasing an extreme large-area plate structure without etching hole is proposed and experimented. Etching holes in conventional process reduce a effective area and degrade an optical characteristics by a diffraction. In addition, as the area of a released structure increases, the stietion becomes more serious. The proposed process resolves these problems by the introduction of a micro fluidic channel beneath the structure which will be released. In this paper, a 5 mm${\times}$5mm-single crystal silicon plate structure was released by the proposed $\mu$CARP without etch holes on the structure. The variation in etching time with respect to the of the introduced micro channel is also examined. This process is expected to be beneficial for the actuator of a nano-scale data storage and the scanning mirror.