mutant strain造句
例句與造句
- Breeding of mutant strain for glulamate prodaction
谷氨酸生產(chǎn)菌的選育 - Nutrient value of protein from spores of agaricus blazei mutant strain j
3孢子中蛋白質(zhì)的營(yíng)養(yǎng)價(jià)值評(píng)價(jià) - Breeding of highly productive - linolenic acid mutant strain of mortierella ramanniance
亞麻酸高產(chǎn)突變株的選育 - Breeding of mutant strain for glulamate production by changing its metabolic passway
通過(guò)改變代謝途徑選育谷氨酸生產(chǎn)菌株 - Some mutant strains carrying the destroyed genes of positives had been constructed and identified by pcr
用單交換的方法構(gòu)建部分二倍體突變株，對(duì)陽(yáng)性因子進(jìn)行功能分析。 - It's difficult to find mutant strain in a sentence. 用mutant strain造句挺難的
- ( 4 ) expressional plasmids containing the cloned pha synthase genes were constructed and transformed into wild type e . coli strains and e . coli fadb deleted mutant strain km32b
（ 4 ）成功構(gòu)建了含有上述型pha合酶基因的表達(dá)載體，并將它們分別轉(zhuǎn)入野生型大腸桿菌及脂肪酸降解fqdb缺夫突變株km32b中進(jìn)行表達(dá)。 - Through a series of mutagen tests , a mutant strain of monascus spp ( m 12 - 69 ) from ml2 was acquired , which can produce much higher monacolin k than m12 , and almost same citrinin level as m12
以之為出發(fā)菌株，通過(guò)誘變篩選，獲得一株monacolink產(chǎn)率有明顯提高而桔霉素產(chǎn)率僅為0 . 13ng g ( elisa )的突變株，編號(hào)為m12 - 69 。 - Lividans mutant strains la1 and la2 generated by gene replacement in dndb and dndc were obtained respectively . both of these two mutants lost dnd phenotype because of disruption of a respective dnd gene
首先利用基因置換實(shí)驗(yàn)獲得分別在dndb 、 dndc基因內(nèi)部發(fā)生基因中斷的突變菌株la1利la2 ，并通過(guò)southern雜交進(jìn)行了驗(yàn)證。 - By treatment with both ultraviolet rays and licl , a mutant strain b . s . lx - 19 with high yield of heparinase and stability was obtained , whose enzyme activity increased by 40 % over strain lx - 10
Lx ? 19 ，其肝素酶產(chǎn)量較出發(fā)菌株提高了40 。通過(guò)單因素條件研究，發(fā)現(xiàn)n源和c源對(duì)酶產(chǎn)量影響較大，接種量以10 ，初始ph6 . 5 ，種齡12h為宜。 - Studies on morphological observation and categorization showed that there were several differences between the strain m12 and the mutant strain m12 - 69 , but they both belong to monascus pilosus sato , according to hawksworth and pitt
第四，根據(jù)hawkswo曲和pitt關(guān)于紅曲霉的分類(lèi)方法，對(duì)m12及m12一69的培養(yǎng)物進(jìn)行了形態(tài)觀察及分類(lèi)鑒定。 - In their experiments , they created more than two dozen mutant strains of fruit flies , including arieties that were either missing the genes to make one of the four proteins or were encoded to oerexpress , or make extra amounts of , one of the four
在實(shí)驗(yàn)中，他們培育了超過(guò)2打的果蠅突變系，這些變種或者產(chǎn)生四種蛋白中某一中蛋白或者編碼至表達(dá)或產(chǎn)生額外的數(shù)量或四個(gè)中的一個(gè)基因的缺失。 - The chief aim of the present study is to characterize the deleted region of s . lividans mutant strain zx1 which lacks dnd phenotype and sulphur modification , to localize and analyze the entire dnd cluster and to study the biological function and regulation of dnd genes
變鉗青鏈霉菌突變株zx1由于染色體發(fā)生人片段缺失而喪失這種異常修飾系統(tǒng)( zhouetal . , 1994b ) 。首先對(duì)這段缺失區(qū)域進(jìn)行了研究。 - The entire functional dnd gene cluster was minimized to an 8 . 3kb insert in phz1904 , because phz1904 could complement the dnd phenotype of s . lividans mutant strain zx1 as well as streptomyces parvulus atcc12434 and streptomyces nanchangensis ns3226 , two naturally dnd - deficient streptomyces strains
將這個(gè)8 . 3kb的區(qū)域以整合形式導(dǎo)入無(wú)dnd表型的兩個(gè)異源宿( ? )中，均使它們獲得了dnd表型，表明這段8 . 3kb的區(qū)域包含了完整的異常修飾的功能。 - This investigation aims to screen out the high - yield acidic phytase - producing microbial strains and men further to select for high yield strains by mutagenesis and still then to clone and analyze the phytase gene in the high - yield phytase - producing mutant strains . on these bases , to construct high yield phytase gene engineered microbial strains for the industrialized production of phytase . main results are as follows
本研究的目的旨在通過(guò)從土壤中篩選酸性植酸酶高產(chǎn)菌株，并進(jìn)一步通過(guò)誘變選育提高其產(chǎn)量，對(duì)高產(chǎn)突變菌株植酸酶基因進(jìn)行克隆和分析，在此基礎(chǔ)上，構(gòu)建植酸酶高產(chǎn)基因工程菌，從而為植酸酶產(chǎn)品的工業(yè)化生產(chǎn)奠定基礎(chǔ)。 - S . lividans mutant strains zx1 ( dnd cluster deleted ) and zx64 ( dnda disrupted ) had pleiotropic mutations including low mel expression and poor sporulation . it was speculated that dnda together with its downstream dna ( 2 . 5kb ) might be involved in these two phenotypes because dnda together with its downstream dna could restore normal sporulation and mel expression to zx64 , while dndb and dndc had no such effect because lai and la2 showed no obvious difference in these two phenotypes from wild type s . lividans 1326
另外通過(guò)比較這幾個(gè)突變株及野生型菌株在產(chǎn)孢和黑色素基因( mel )表達(dá)方面的差異，推測(cè)dnda及其下游區(qū)域與變鉛青鏈霉菌的產(chǎn)孢和刺激外源黑色素基因的表達(dá)有關(guān)，而dndb和dndc則與之無(wú)關(guān)，因?yàn)閘a1和la2在這兩種表型上與野生型菌株無(wú)明顯差異。
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