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当前位置: 首页 > 文章 > 抗生素对共培养的萱藻丝状体和膨胀色球藻生长的影响 水产学报 2014,38 (9) 1466-1475
Position: Home > Articles > Effects of antibiotics on the growth of filaments of Scytosiphon lomentaria and Chroococcus turgidus in the co-cultured condition Journal of Fisheries of China 2014,38 (9) 1466-1475

抗生素对共培养的萱藻丝状体和膨胀色球藻生长的影响

作  者：
马旺楠;宫相忠;张文健;高伟;张必达
单  位：
中国海洋大学海洋生命学院;长岛爱华海藻食品有限公司
关键词：
萱藻;膨胀色球藻;丝状体;抗生素;共培养
摘  要：
为抑制萱藻丝状体扩增过程中出现的膨胀色球藻的生长,采用实验生态学方法,研究了链霉素、氨苄青霉素、卡那霉素、庆大霉素和氯霉素等5种常用抗生素对共培养条件下的萱藻丝状体和膨胀色球藻生长的影响。结果显示,(1)链霉素浓度为100μg/mL时可以显著抑制膨胀色球藻生长,而不影响萱藻丝状体的生长;(2)氨苄青霉素和庆大霉素对膨胀色球藻产生明显抑制作用的浓度均为100μg/mL,对萱藻丝状体产生抑制作用的浓度分别为100和500μg/mL;(3)10μg/mL卡那霉素可强烈抑制膨胀色球藻生长,而萱藻丝状体没有出现被抑制的现象;(4)氯霉素对膨胀色球藻和萱藻丝状体均有较强的抑制作用,10μg/mL可以对膨胀色球藻的生长产生显著抑制,浓度达到50μg/mL后,萱藻丝状体生长受到抑制。研究表明,链霉素(100μg/mL)、卡那霉素(100μg/mL)和氯霉素(10μg/mL)可以用于降低萱藻种质保存和扩增过程中萱藻丝状体被膨胀色球藻污染的风险。
译  名：
Effects of antibiotics on the growth of filaments of Scytosiphon lomentaria and Chroococcus turgidus in the co-cultured condition
作  者：
MA Wangnan;GONG Xiangzhong;ZHANG Wenjian;GAO Wei;ZHANG Bida;College of Marine Life Sciences,Ocean University of China;Changdao Aihua Seaweed Foodstuff Co. ,Ltd.;
关键词：
Scytosiphon lomentaria;;Chroococcus turgidus;;filaments;;antibiotics;;co-culture
摘  要：
In order to suppress C. turgidus growth during the amplification process of filaments of S.lomentaria,the effects of five commonly used antibiotics: streptomycin( Str),ampicillin( Amp),kanamycin( Km),gentamicin( Gm) and chloramphenicol( Cm) on the growth of filaments of S. lomentaria and C.turgidus,which were co-cultured in the research were studied by experimental ecology methods in this paper. Results indicated that:( 1) Str inhibited the growth of C. turgidus significantly at the concentration of100 μg /mL,while filaments of S. lomentaria were not affected;( 2) Amp and Gm had obvious inhibitory effects on the growth of C. turgidus at the concentration of 100 μg /mL,and filaments of S. lomentaria were inhibited at concentrations of 100 μg /mL and 500 μg /mL respectively;( 3) The growth of the filaments of S. lomentaria was not suppressed by Km within the set range of concentration in this research,while 10 μg /mL Km inhibited C. turgidus intensively;( 4) Both filaments of S. lomentaria and C. turgidus were particularly sensitive to Cm,the growth of C. turgidus was inhibited by 10 μg /mL Cm distinctly and filaments of S. lomentaria were also suppressed when the concentration of Cm reached 10 μg /mL. The results mentioned above revealed that Str( 100 μg /mL),Km( 100 μg /mL) and Cm( 10 μg /mL) could be applied to reduce the risk of contamination of C. turgidus during the preservation and amplification of filaments of S. lomentaria.

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