生色基因 的英文怎麼說
中文拼音 [shēngshǎijīyīn]
生色基因
英文
chromogenic gene-
In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays
本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體,研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響;然後在得到高頻再生體系的基礎上,通過農桿菌介導法轉化甜菜堿醛脫氫酶( badh )基因,以gus染色組織分析為依據探討了影響轉化效率的各種因素,建立了高效、可重復的基因轉化體系,為四倍體刺槐目的基因的導入打下了基礎。Decoloration of azo dye wastewater by an anaerobic membrane bioreactor using gene engineering strain escherichia coli jm109 pgex - azr
基因工程菌在厭氧膜生物反應器中對偶氮染料廢水的脫色There are two main types of nuclear division : mitosis, which results in daughter cells identical to their parents ; and meiosis ( reduction division ), which produces daughter cells which have half the number of chromosomes of their parent cells, and in which the genetic material has been recombined
核分裂有兩種主要的類型:一種為有絲分裂,即子代細胞與親本相同,另一種為減數分裂,其產生的子細胞所含的染色體數為親本染色體數的一半,基因在分裂過程中發生了重組。4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction
構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。Royal blues have one normal green gene and one mutated steel blue gene which combine to produce an intermediate blue color
皇家藍斗魚有著正常綠色的基因及突變的鐵藍色基因,當這兩種基因組合在一起便產生中和的藍色。Cytochrome p450 play a critical role in plant secondary metabolites synthesis as an ancient gene superfamily
細胞色素p450是一個古老的基因超家族,在植物次生物質的代謝合成中起著極為重要的作用。The aglycone, steviol, exhibited greater acute toxicity than stevioside in hamsters but not in rats. steviol was clearly genotoxic after metabolic activation, inducing forward mutations in bacteria and gene mutations and chromosomal aberrations in lung fibroblasts of chinese hamsters
甜菊醇經過代謝活化后,基因毒性明顯,可引致細菌產生正向突變,以及使中國倉鼠的肺纖維原細胞產生基因突變和染色體變異。3. the sequence variation of mitochondria ! cytochrome b gene and phylogenetic relationships of anseriformes were studied based on the complete cytochrome b gene sequences of 19 species combined with 4 species got from genbank
3 、研究測定雁形目鳥類19f mtdna細胞色素b基因全序列,結合genbank中的4個物種,分析了雁形目鳥類細胞色素b基因的序列變異及其分子系統發生。Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively
本文首先對雁形目鳥類的系統發生研究進行了綜述,然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析,探討了雁形目鳥類分子系統發生。The topics include : structure and function of genes, chromosomes and genomes, biological variation resulting from recombination, mutation, and selection, population genetics, use of genetic methods to analyze protein function, gene regulation and inherited disease
主題包括:基因、染色體與基因組的結構和功能;來自於基因重組、突變和篩選的生物變異;族群遺傳學;運用遺傳學的方法分析蛋白質的功能,基因的調控和遺傳性疾病。The reasults are summed up as following : 1 the study on chromosomes and mitoses of bmn cells the cell line, bmn, is a silkworm cell line widely used in silkworm molecular genetics, cell engineering, gene engineering and baculovirus expression system but whose genetics and cytobiology studies are nearly untouched. the chromosomes and mitoses of the bmn cells are researched by the air - drying method and culturing cells on cover glasses
同時,還通過原代培養實驗對新的家蠶胚胎細胞系的建立進行了探索和嘗試,並對家蠶胚胎原代培養過程中出現的細胞和組織類型進行了觀察、探討與研究。 1bmn細胞有絲分裂及染色體研究bmn細胞是家蠶分子遺傳學,細胞工程、基因工程和桿狀病毒表達系統中廣泛應用的家蠶細胞,但其遺傳學和細胞生物學背景知之甚少。Their studies of human color vision have not only identified the genes responsible for colorblindness, but also defined one of the first examples of a nervous system defect for which a person ' s dna can predict both the occurrence and the severity of the disorder
他們對人類色彩視覺的研究不僅發現了色盲的負責基因,而且還發現了第一例能通過人的dna預測其發生率及嚴重程度的神經系統缺陷。Following the duplications, there have been large - scale chromosomal rearrangements and deletions. about 30 - 65 % of duplicated genes were lost shortly after the duplications, leading to a rapid diploidization
基因重復發生后,染色體就大規模重新組合,期間30 - 65 %的重復基因丟失,導致快速的二倍化。The objectives of this study are to clone the ban fragment of brassica napus and to apply the floral - dip in the transformation of oilseed rape to establish a convenient method for oilseed rape breeding. ban is dfr - like gene in chalcone synthesis pathway functioned as a negative regulator, and has been well studied in arabidopsis thaliana
為利用轉基因技術創造甘藍型黃籽油菜,本文克隆了與甘藍型油菜( brassicanapus )色素生物合成有關的ban基因同源片段,並探索了甘藍型油菜花序浸泡法轉基因新方法。Researches on pigmentation of flower color, types of flower pigments, biosyntheses of anthocyanins, genes of flower color, and strategies and methods of genetic engineering of flower color were described to various degrees in this paper
本文從花的成色作用和花色素種類入手,介紹了花色苷的生物合成,並從花色基因的種類和克隆、花色基因工程操作的策略和方法等角度綜述了近年來觀賞植物花色基因工程的研究進展。White tigers can be born to normal - colored tigers if both parents carry the recessive gene for white coloring
如果雙親帶有隱性白色基因,生下來的白虎可能會是正常毛色。The earth simulator, introduced in 2002, was the world ' s fastest supercomputer until 2004, when ibm ' s blue gene took the title
地球模擬器誕生於2002年,到2004年一直是世界上最快的超級計算機,直到ibm的「藍色基因」奪去桂冠。On the discussion of feasible development of the holiday tour areas in the loess plateaus which is ecologically weak regions and by taking the example of shijiagou which is traditional upland yao - dong village in the ravine regions, the thesis aimed to scoop out local advantage travel resources and biology gene, and combine holiday tour areas development with green residence situation to conclude a feasible development model which has local special feature of holiday tour areas by persist in the sustainable biology traveling way and plan principle, viewing the ecological structure as whole and using modem green architectural technique and material. this model can not only satisfy the modern people ' s life request but also improve and make use of biology environment. what ' s more, it will promote the development of local economy, society and culture, and also realize organic combination of economy biology and society value
本文在論述黃土高原生態脆弱地區度假村可行性開發的基礎上,以溝壑地區傳統山地窯居聚落師家溝村為例,挖掘當地旅遊優勢資源條件和生態基因,堅持走可持續生態旅遊之路,並將度假村建設與綠色人居環境創建相結合,以整體建築生態觀和生態規劃原則為指導,利用現代綠色建築技術和材料,試圖總結出既能滿足現代人生活要求,又能利用和改善生態環境的具有地方特色的度假村可行性發展模式,從而促進地方經濟、社會、文化發展,實現經濟、生態和社會效益的有機結合。So that combine the genetic algorithms and neural network to complete the production of the system model of high - speed bidding. based on the reasonable model - building, use software " matlab " to get the achievement at the beginning. and take a lot of figures from project experiment as the sample to practice on the net, at the same time lots of experiments have been done to test them
然後將經過0 - 1數字化處理的訓練集樣本送入網路,利用bp演算法訓練網路得出m組權值;之後採用實數編碼,將神經網路的權重作為ga的染色體,生成基因群體,再使用遺傳演算法尋優,使解碼得到的參數組合充分接近最佳參數組合,在此基礎上再用bp演算法對它們進行細調,從而來實現遺傳演算法和神經網路的結合,完成對投標快速報價系統的建模。分享友人