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第157章 研发抗生素就靠挖土?(2 / 2)

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吕承恩脸黑,“我快弄完了,小宋你回来吧!”

宋河哭笑不得,一帮白发成雪的老教授,某些行为怎么和小孩一样?

一分钟后,吕承恩停下手里的工作,坐下来,认真地和宋河面对面。

作为资深老教授,向他求学的学子多如过江之鲫,单独给一个学生开小灶,已经很多年没有过了。

“我不知道你对抗生素了解多少,你有什么问题,尽管提问吧!”吕承恩微笑。

“老师,我想知道现在的抗生素都怎么研发?”宋河问,“是学习一些抗生素的知识,学到某种程度,就知道该怎么做新抗生素了吗?”

吕承恩摇摇头,笑道,“知识当然有用,但知识只能帮你做一件事,猜!”

“猜?”宋河若有所思。

“猜,试,这是目前人类造抗生素的两种手段。”吕承恩道,“虽然我们发展出一堆昂贵先进的仪器,但研发新抗生素的过程,依旧非常原始。”

“有多原始?”宋河呆了呆。

“季教授年轻的时候在惠氏制药公司上班过,他那时候的工作,就是挖土。”吕教授道。

“挖了整整一年的土!”季子宁在一旁感慨,老人总是喜欢回忆,“当时我买了辆二手大众面包车,里面配了水槽煤气灯,还有一些取样工具。我女朋友在前面开车,我在后面东瞧西望,时不时喊一声停车!”

“停车之后,我就冲下去挖一布袋的土,如果在海岸边开车,就挖一袋白沙上来。”

“土和沙子挖上来之后,我就在后面忙着稀释样本,制成培养皿。等第二天带去实验室,看看有没有合适的菌。”

宋河听得傻眼,“就随机挖土,从土里找合适的菌造抗生素吗?”

“没错!”

季子宁说完,看到宋河目瞪口呆的表情,十分满意,顿了顿继续说。

“我有些同事来自辉瑞、诺华、默克之类的制药巨头,和我干一样的活,只不过我挖土前拜佛,他们挖土前划十字。”

“制药巨头们几十亿美金造生物实验室,但所谓科学论证和精心规划根本没卵用,甚至压根不存在!抗生素研发一直这个路数,挖点土带回实验室分析。”

这章没有结束,请点击下一页继续阅读!“一直挖挖挖,我们一帮同事天天灰头土脸,在婚恋市场卖相很差。”季子宁开了句玩笑。

“老季当时找了个洋妞女朋友,是当地的小富婆呢,本来可以不用努力的,但老季天天痴迷挖土,小女友感觉被冷落了,于是含泪分手。”陶妙春在一旁咯咯笑。

季子宁一脸坦然,“我老季也是名门之后,祖传染色体怎好交与番人?那年我挖土二百多天,成功搞出了一种兽用抗生素,造福人类的功绩,女人又算什么?”

宋河简直想鼓掌了,季教授竟是传说中的西格玛男人?

“言归正传。”吕承恩叫停了八卦讨论,“你也听到了,抗生素研发的主要办法,试错!”

“比如链霉素,瓦克斯曼带着五十多个学生,筛选了一万多个土壤菌株找到的。平阳霉素,是宋爱兰从平阳县土壤里找到的。氯霉素是委内瑞拉土壤里找到的。红霉素是菲律宾的一份土壤样品里分离出来的。”

“历史上有名的抗生素基本是依靠发掘土壤,大量实验试错筛选,最后碰运气碰出来的。”

“一方水土产一方抗生素,明白了吧?”吕承恩微笑,“知道背后的原理吗?”

“土壤里细菌真菌多,生态位近似,抗生素是菌类用于互相战争的化学武器?”宋河猜测,“一种菌分泌出抗生素,把其他菌活活毒死,就能占据生存空间?”

“聪明!”吕承恩赞许。

“只能挖土碰运气吗?就没有能在实验室里,运用知识搞的抗生素?”宋河脸色一苦。

“有!”吕承恩立刻道。

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