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文献和实验鳐形目鳐科鳐属的 1种。吻中长,尖突。尾细长,比头和躯干稍短,侧褶发达。吻长比眼径大 3~ 3.5倍,眼间隔与眼径约相等。喷水孔紧位于眼后,前部伸达眼的后半部下方。口前吻长比口宽大 1.6~ 2倍。有鳃孔 5个,狭小,距离和大小约相等。前鼻瓣宽大,伸达下颌外侧;后鼻瓣前部作半环形突出于外侧,形成 1入水孔。口中大,横平。牙细小而多,铺石状排列,在雄体细尖,在雌体平扁。眶上和头后具结刺。胸鳍前延,伸达吻侧中部,前部作足趾状突出。背鳍 2个,大小和形状约相同;背鳍间隔很短,约等于
is resuspended in buffer, and the concentration and purity crudely are assessed by agarose gel electrophoresis against known standards. Protocol 1. Prepare an early log phase culture of JM101, as above, and pick M13-based plaques with sterile toothpicks
is resuspended in buffer, and the concentration and purity crudely are assessed by agarose gel electrophoresis against known standards. Protocol 1. Prepare an early log phase culture of JM101, as above, and pick M13-based plaques with sterile toothpicks
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