periplasm 中文意思是什麼
periplasm
解釋
周質；胞外質-
The purified enzyme had a specific activity of 68. 6 u / mg protein. overproduction of pga was often limited by translocation and / or periplasmic processing steps, subsequently resulted in intracellular accumulation of various types of pga precursors and then formed inclusion bodies in the cytoplasm and / or periplasm
經deae - sepharosecl6b離子交換層析和butyl - sepharosecl4b疏水層析，即可得純度提高20倍、比活為68 . 6u mg的青霉素g酰化酶，兩步純化的總得率達91 。 -
The supernatant fraction and the precipitation fractions were analyzed by western blotfor strain dh5 a / pkkfpga, 5 - 10 % pga precursors formed as inclusion bodies in the cytoplasm while no inclusion bodies formed in the periplasm, this suggested most pga precursors were transported to the periplasm and matured to active pga and indicated that the maturation of pga in strain dh5 / pkkfpga was limited by the translocation step
Western印跡分析表明對于菌株dh5 pkkfpga ， 5 - 10的原前體青黴g素酰化酶在胞內形成了包涵體，說明其成熟的限速步驟在胞內的運輸階段，而菌株dh5 psmlfpga則無明顯包涵體形成，說明菌株dh5 psmlfpga改善了青霉素g酰化酶的合成流，因而其表達能力高於菌株dh5 pkkfpga 。 -
The soluble fusion proteins cbd - lt 27 in cytoplasm and periplasm of e. coli were purified with cbind 100 resin, the purity of fusion protein was more than 80 % in eluted solution
採用cbind100resin從破菌上清中快速純化可溶的融合蛋白cbd - l7a27 ，洗脫下來的融合蛋白純度可達80以上。 -
The expressed fusion protein occupied more than 20 % of total bacterial protein. the fusion protein induced mainly existed in the insoluble inclusion body of the cell, only little parts of fusion protein expressed in the cytoplasm, excreted into periplasm and secreted into the cultural medium as soluble protein. through ultrasonic treatment at low temperature, soluble expressed fusion protein could be obtained from the supernatant of lysed cell
表達產物在細胞內外的精細定位研究表明，融合蛋白cbd - lt 27在經誘導的大腸桿菌中表達量占總菌體蛋白的20以上，融合蛋白主要以不溶性包涵體的形式存在於細胞中，少量以可溶產物的形式存在於細胞質、分泌于細胞周質間腔及培養基中。
分享友人