The highest enzyme producer alkalophilic Bacillus sp SHY8-1 among the inductive strains was mutagenized several times, by adding enzyme production repression aegents into screen medium, combined with natural seperation and pressure selection, finally a CMCase-hyperproductive mutant SHY8-1-25 (partitally resistant to catabolite) was obtained, with the yield of CMCase raised to 13-16u/ml, maximally reached 18-20u/ml, while its parent strain 0.654u/ml.

對誘導型產酶菌-嗜堿芽孢桿菌SHY8-1進行了多次誘變改良一级黄色站，采用添加產酶阻遏劑的平板作為篩子淫荡的少妇亚洲色图，結合反復的自然分離、壓力選擇色哟哟精品网站在线观看，最終成功地獲得了高產變異株SHY8-1-25(已部分解除分解代謝阻遏)老妇性交，產酶量由0.654u/ml提高到13-16u/ml，最高達到18-20u/ml黄色视频网，討論了誘變機理策略日本中文字幕的视频网站，考察了碳A女人黄色网站、氮源等對產酶的影響亚洲中文字幕在线第一页，對培養(yǎng)基和搖瓶培養(yǎng)條件進行了優(yōu)化卡通动漫亚洲图片。

Chloromycetin had positive effect on BADH gene expression, and the effect might be due to inhibit repressor generation in mitochondria and activate transcription factor of BADH gene.

應用氯霉素的實驗表明氯霉素對BADH基因表達為正效應，提出了可能是抑制了線粒體中的阻遏蛋白的產生使BADH基因表達去阻遏国产激情网在线视频。

Although plant growth was affected by the herbicide, no evidence of repression or derepression was observed.

盡管植物的生長受到除草劑的影響黄色性片视频免费公开，但還未觀察到阻遏或解阻遏的證據。

Although plant growth was affected by the herbicide , no evidence of repression or depression was observed

盡管植物的生長受到除草劑的影響亚洲一区二区5566在线，但還未觀察到阻遏或解阻遏的證據18岁禁止黄色。

It contains: starch 3%, glucose 2%, soybean meal 2%, peptone 0.5%, fish meal 0.5%,2S040.15%, MgSO4 0.1%, KI-12P040.04%, CaCO3O.4%, soybean oil 1%, propyl alcohol 0.4%(added at the 18th hour of batch fermentation).

發(fā)酵培養(yǎng)18小時補加0.4％的正丙醇。原始霉素的發(fā)酵存在碳源分解物代謝阻遏現(xiàn)象和氮源分解代謝物阻遏現(xiàn)象一区有限公司在线观看。

A small molecule that binds to a repressor protein to allow repressive activity.

結合到阻遏蛋白上使其產生阻遏活性的小分子国产一区二区性交影视。

Amino acid mutant site A43V locates in N-terminal headpiece of represser protein which binds specifically to DNAand amino acids mutant sites S93L, S102N, G315S, Q180R, M2491, I283T all locate in the core region of represser protein which binds to IPTG.

氨基酸突變位點A43V位于阻遏蛋白氨基末端，是阻遏蛋白和操縱基因的結合區(qū)亚洲日本美女视频网站；S93L日韩福利免费网站、S102N、G315S影音先锋影院、Q180R夜夜夜综合亚洲伊人、M249I、I283T均位于阻遏蛋白核心區(qū)99操逼免费视频，即阻遏蛋白和IPTG結合區(qū)美欧操b。

I. Design and selection of thc high affinity DNA ligands for singIe-chain reprcssorSingle-chain repressor RRn., is a derivative of bacteriophage 434 repressor,which contains covalent1y dimerized DNA-binding domains (axnino acids 1-69) of thephage 434 repressor.

一。設計和篩選單鏈阻遏蛋白的高親和力DNA結合序列單鏈阻遏蛋白RR_是噬菌體434阻遏蛋白的衍生物在线免费播放麻豆，它是噬菌體434阻遏蛋白的N端DBD（1—69位氨基酸）組成的共價二聚體深夜影院爱爱。

The results led to the conclusion that induction and repression were under the control of specific proteins, called repressors, which were coded by regulatory genes.

得出了誘導和阻遏是由被稱為阻遏物的特殊蛋白質控制的結論，阻遏蛋白是由調節(jié)基因編碼的久久国产免费中文。

The homeodomain is responsible for binding to DNA, and experiments to swap homeodomains between proteins suggest that the specificity of DNA recognition lies within the homeodomain, but (like the situation with phage repressors) no simple code relating protein and DNA sequences can be deduced.

同源域負責結合DNA人人干综合，在蛋白質之間交換同源域的實驗證實了這一結論。但（就像噬菌體阻遏子的情形一樣）并沒有推出聯(lián)系蛋白質與DNA序列的簡單機理日本和亚洲黄色视频多毛水视频。同源域的C端和原核生物阻遏子α-β-α超二級結構有一定的同源關系午夜AV毛片。我們回想第13章，λ阻遏子有一個&識別螺旋&（α-螺旋-3）DNA的大構接觸国产性色Aⅴ综合一，而另一個螺旋（α-螺旋-2）位于 DNA的拐角最新日韩AV.COM。