離自基因 的英文怎麼說
中文拼音 [lízìjīyīn]
離自基因
英文
episomal agent-
Genes located on these chromosomes do not assort independently of sex and are said to be sex-linked.
這些染色體上的基因不能離開性別而自由組合,稱為性連鎖。From the perspective of historical vicissitude of education objectives, education gradually got alienated from life : the classical education clung to natural qualifications like wealth and power, therefore it fell to be qualification education ; the modern education was lost in various ideals that intellectuals came up with and, therefore was caught in competitive circumstances
摘要從教育目的歷史變遷來看,教育逐步脫離了生活根基:古典教育遵循自然資格,例如財富和權勢,因而淪為了資格化教育;近代教育迷失於知識分子製造的各種理想之中,由此深陷於競爭化教育境地。It revealed that these two transformants were heterozygote, and the foreign gene inserted just to on locus in the plant genome. as the observed ratio of progeny of two transformants which on selfing was 3 : 1, it was proved to be heterozygote for two transformants
其中2棵抗性株自交後代的遺傳分析表明,真空滲入法所得的轉化株為雜合體,且其分離比符合3 : 1的單基因分離規律。The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )
各組的平均雜合度預期值也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的平均雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組分別是0 . 1891和0 . 1865 。 hardy - weinberg平衡下遺傳偏離指數也是雜交組的小於自交組的,平均每個位點的等位基因有效數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組群體的這一指數相差不多,分別是1 . 6955和1 . 6927 ,位於兩親本的中間水平。Abstract : the main characters and seed set of bc1 , bc2 , bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied. the appearance of a large number of self fertile plants in ms line was analyzed. the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed. it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields
文摘:研究了雜交稻花粉對母本不育系回交後代群體bc1 、 bc2 、 bc1f2的主要農藝性狀和育性表現,分析了不育系中出現大量自交結實株的原因,討論了恢復基因滲入對秈、粳不育系純度和雜交稻產量的影響,指出「同質恢」對降低不育系純度的嚴重性和雜交稻作制種田隔離區的不合理性。It influences the miaow thiazole quinoline to lose slowly that the experiment is drawn the pharmaceutical loses slowly the factor of performance has temperature mainly, density, the membrane time in advance, and design many group ' s simulation systems for different influence of these three factors, is it is it should lose pharmaceutical to lose pharmaceutical slowly one positive pole type, lose performance is it is it form space location hinder after the membrane to absorb to come from mainly slowly slowly to appear to prove, thus isolated the carbon steel base body and corrode the medium
實驗得出影響咪唑啉緩蝕劑緩蝕性能的因素主要有溫度,濃度,預膜時間,並針對這三個因素的不同影響設計了多組模擬體系,驗證出該緩蝕劑是一種陽極型的緩蝕劑,緩蝕性能主要來自於吸附成膜后形成空間位阻,從而隔離了碳鋼基體和腐蝕介質。Segregation ratios of most of markers fit expected ratios. this result showed that most of the region of m. xiaojinesis ' s and m. baccata ' s genome segregated normally
絕大多數的標記( 1048 ,占總數的93 . 1 )的分離比例適合各自分離比的期望值,表明小金海棠和山定子基因組的大部分區域是正常分離的。In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics
本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上,首次採用rapd分子標記技術,對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度,通過對遺傳距離的upgma聚類分析,並結合形態分類的特點,對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。The study indicate that sral2o4 : tb3 + phosphor can be composed from 1250c to 1550c, the phosphor ' s luminance reduce and the afterglow time shorten along with the compounding temperature ; the better luminance and afterglow with the better crystalloid degree ; the luminescence of tb3 + ion in the sral2o4 is coming from the transition of 5d4 - 7fj ( j = 6, 5, . . . 0 ) ; the afterglow is because of the electron that seized in the trap released which integrate with the luminescence center
合成發光體亮度隨合成溫度的降低而逐漸降低,余輝時間逐漸縮短;當合成物具有較好的結晶度時,合成的發光粉不僅發光亮度高而且余輝時間長; tb ~ ( 3 + )離子在sral _ 2o _ 4基質晶格中的發光主要來自於~ 5d _ 4 ~ 7f _ j ( j = 6 , 5 , … … 0 )的躍遷;其餘輝是因為不斷有被陷阱所俘獲的電子釋放出來與發光中心復合。Sequence comparison indicated that the nucleotide homologies between the ha gene and those from eight other h3 subtype sfv isolates from china are over 95 %, and nucleotide identities between h3 sfv isolates in china and a typical h3 subtype avian influenza virus ( aiv ) strain dkuk1 - 63 are 95 % to 100 %. these might tell us that the ha gene of all h3 subtype sives isolated in china was originally from aiv although the vaccine based on ha do not protect against different subtype of influenza virus, it can provide favorable resistance to infection with antigenic variants within a subtype
通過與其它7株國內siv分離株和6株genebank中的h3流感病毒ha序列比較分析,結果表明分離自我國不同地區的8株h3siv核苷酸序列同源性均在95 %以上,且與禽流感病毒( aiv )經典代表株dkuk - 63序列同源性在95 - 100 %之間,證實我國h3sivha基因來源於禽的流感病毒。The results showed the contents of condensed tannin, glucose, sucrose, maltose, and all the soluble sugars in the transgenic cottons were lower than those of their own conventional parents, and there were some differences in the concentration of tannic acid, gossypol, each amino acid, fructose, mamnose and trehalose all the free amino acids between the transgenic and non - transgenic cotton cultivars, which indicated non - organic gene inserted in the transgenic cotton had some influences on the changes in nutrients and secondary substances
結果顯示:供試的3個轉基因棉棉株體內縮合單寧、葡萄糖、蔗糖、麥芽糖含量以及可溶性糖總量均低於各自的常規棉親本;單寧酸、棉酚、果糖、海藻糖、鼠李糖和各種氨基酸含量以及游離氨基酸總量也與各自的常規棉親本有差異,表明外源基因的導入影響了棉株體內上述物質的合成與代謝。In this study, a new gene c / wew, encoding cholesterol oxidase, was isolated from rhodococcus equi. 4 - 2g2 found in china, which may be useful in clinical diagnosis healthy food and pest management in agriculture. in addition, the gene has been expressed successfully, the expression product has cholesterol oxidase activity, thus this work provided theoretical basis to the development of genetic engineering of cholesterol oxidase
本研究從我國自行分離的馬紅球菌4 ? 2g2菌株中分離到一種編碼膽固醇氧化酶的新基因choew ,它將可應用於臨床檢測、保健食品和農業抗蟲等領域;同時利用原核表達載體成功的在大腸桿菌中表達了目的基因,表現出膽固醇氧化酶酶活,為膽固醇氧化酶的基因工程利用開發作了一定的理論實驗基礎研究。Genome dna of all blood samples were extracted by using erythrocyte lysis solution and pcr buffer / nonionic detergent / proteinase k. a 109bp fragment was amplified from the human genome dna. 2. in 166 han samples, 19 ( 11. 45 % ) heterozygous genotypes of codon 54 mutant allele were found by pcr - sscp
用紅細胞裂解液和pcr緩沖液非離于去污劑蛋白酶k兩種自配試劑成功地提取了所收標本的人白細胞基因組dna ,並以此為模板成功擴增出預期的109hpmbl目的基因片段。Pcr - based analysis method was carried out in the following study. dna amplification by pcr in cgg repeats were performed on 154 people as normal control ( 73 males and 81 females ) and 23 members from four x - linked mental retardation ( xlmr ) families. after electrophoresed on a 6 % - denaturing polyacrylamide gel ( acr : bis = 19 : l ), genotypes of the objects were determined by analyzing pcr products
本研究採用較以往更為簡便有效的pcr技術方法,對隨機抽取的154人的正常群體(男性73人、女性sl人)及來自四個智力低下家系的23名成員進行了fmr基因cgg重復序列的擴增,利用變性聚丙烯酸胺凝膠電泳技術對不同等位基因類型進行分離和統計。Using a stringent objectie statistical algorithm to reduce false discoery rates below 5 %, we isolated a panel of 87 genes that represent major focal points of the autonomous response of cancer cells to the abrogation of microtubule dynamics
用嚴格客觀的統計表格減少假陽性率至5 %以下,我們對一組87個基因(代表著腫瘤細胞自主反應的主要局部位點)進行分離到無微小管動力學存在的水平。One to offspring ( t1 ) was selected for further genetic analysis from two types of self - pollinated transgenic plants and screened for the presence of the recombinant gene by the pcr respectively. the result suggested that the resistance to kanamycin can be a stable heredity by genetic analysis, separation ratio of t1 was 3 : 1 and t1 kanamycin - resistant tomato plants can carry vp7 gene
此外,從兩種轉基因植株中分別選取一自交株進行t _ 1代遺傳分析,其kan抗性基因分離比皆為3 : 1 , t _ 1代抗性番茄植株的pcr結果也呈陽性。In this study, we examined class 1 and 2 integron in shigella sonnei and shigella flexneri isolates from hangzhou, china, to investigate their distribution and determine their gene cassette arrays and their location in genome. a atypical class 1 integron without 3 " conserved region was found to prevail among shigella flexneri isolates, and the excision models of it ' s gene cassette were charactered by inverse pcr. moreover the roles of gene cassettes in the atypical class 1 integron and class2 integron to confer resistance were discussed
本研究對杭州地區近年分離的福氏和宋內氏志賀菌株進行類和類整合子的檢測,了解其分佈特徵;進一步通過克隆測序和southenblot ,確定其攜帶的基因盒組成特徵以及其在基因組中的位置;在研究中發現了一種缺少3 』保守區的非典型類整合子,通過反轉pcr了解此整合子的切除基因盒的特徵;並對非典型類整合子和類整合子各自攜帶的aada賦予宿主菌鏈黴素抗性的不同能力,進行了探討。The hemagglutinins of 30 h9 subtype avian influenza viruses ( aivs ) isolates from the domestic chickens among different geographical areas in mainland china during the period of 1994 to 2001 were analyzed antigenically and genetically
本研究對1994年- 2001年,分離自中國大陸的30株h9n2亞型禽流感病毒的不同分離株,進行了抗原交互性測定及其血凝素基因的序列分析。The result of this investigation displayed that the h9n2 subtype human isolates constituted gl - hk clade in gl - like sublineage with gl - like afvs isolated from hong kong together, and this kind of viruses, with possible abilities to infect human and induce human influenza pandemic, were not found in the mainland of china the viruses from china mainland belonged to y280 - like sublineage, except some individual genes of ck / sc / 5 / 97, dk / nj / 2797 and ck / hn / 62 / 00 were situated in gl - like sublineage, and only ck / sz79 / 97 isolated from shenzhen was classical g9 - like virus which prevailed in the live poultry market in hong kong in 1997, so this virus might come from hong kong specific administrative region of china
本研究結果證明, h9n2亞型人體分離株屬于g1 - like亞分支的g1 - hk小分支,該小分支毒株之間具有很高的同源性,因此該小分支aiv可能具有感染人的可能性,是具有引起人流感暴發潛能的病毒。目前在我國內地分離株中沒有發現這種病毒,只有ck sc 5 97 、 dk nj 2 97 、 ck hn 62 00的個別基因來自g1 - like亞分支;深圳分離株ck sz 9 97是典型的g9 - like病毒,可能來源於香港特別行政區;其餘所有內地分離株都屬于y280 - like亞分支。Effect of cry3a promoter on expression by using resolution vector, the cry1ac and cry1c genes with cry3a promoter or it itself promoter were introduced into b. thuringiensis crystal negative strains. the expression of these strains is quit similar, however, the expression of cry 1 ac and crylc with different promoter in same cell has no complete inhibition
Cry3a啟動子對基因表達的影響利用解離載體將帶cry3a啟動子的crylac10和crylc基因導入蘇雲金芽胞桿菌無晶體突變株,基因的表達和殺蟲活性與帶自身啟動子的基因的表達相近。分享友人