菌株中具有 的英文怎麼說

中文拼音 [jūnzhūzhōngyǒu]
菌株中具有 英文
e. coli
  • : 菌名詞1. (蕈) mushroom2. (姓氏) a surname
  • : Ⅰ名詞1. (露在地面上樹木的根和莖) root and stem of a tree above the ground 2. (植株) individual plant; plant Ⅱ量詞(棵)
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 菌株 : bacterial strain
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究,木耳屬2個種的2個在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒顯示出多態性;增加內切酶種類及供試數量,可能獲得多態性的限制性內切酶酶切圖譜; 9本實驗, its區域的真特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極可能是毛木耳種的一個變種; n .本研究所用的gutc法是一種適用於木耳屬基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  2. The result showed that this strain have a strong ability to decompose the filter paper cellulose. in the process of degrading fibre, the strain adhere tightly to the fibre through its bacilliform cell

    結果表明該較強的分解纖維素的能力,在降解纖維素濾紙過程與纖維素物質緊密結合,同時體嵌入到濾紙纖維內部。
  3. In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail

    本文從傳統的發酵食品篩選出一安全、廣譜抗活性的芽孢桿,並對其抗活性物質細素進行分析,為微生物天然生物防腐劑的開發以及在食品的應用提供理論依據。
  4. One cadmium resistance strain of fungi designated as f2 which could survive 2000mg / l of cadmium was isolated from blende soil with high content of cadmium. it showed high ability of cadmium accumulation. it belongs to phoma sp

    從高鎘含量的閃鋅礦土樣經分離、篩選,得到一可在2000mg l鎘濃度下存活並對鎘較強的富集能力的絲狀真,編號為f2 ,經形態學鑒定歸入莖點霉屬( phoma ) 。
  5. The results indicated that : jaj could selectively stimulate the reprduction of bifidobacteria in vivo and inhibit the growth of e. coli which is a main parasitic basterium in human intestinal tract ; moreover, jaj could apprarently improve intestinal tract function. in tested group, the mice excreted smoothly and the faecal particles of mice were big and wet, but in control group, the faecal particles of mice were small and dry. lt was suggested that inulin may be the important effective component in jaj which promoted the reprduction of bifidobacteria in vivo. at last, the effects of ja on the bile salt resis tance of bifidobacteria were studied. the test proved that : deoxycholic acid na - salt ( dca - na ) had intensely toxical action on blm and bbm ; adding glucose and fructose in media could decrease the lexical action on bbm. but inulin and jap had not apparent effect

    在通過單檢驗和混檢驗確立了一種選擇性雙歧桿培養基之後,進一步以健康昆明系小鼠為實驗動物,研究了菊芋在動物腸道內對雙歧桿的影響,動物實驗結果表明,菊芋汁在體內對雙歧桿選擇性促進生長作用,而腸道主要條件致病?大腸桿的生長受到抑制;菊芋的菊糖成分可能對菊芋在體內選擇性地促進雙歧桿生長起了主要作用;此外,菊芋還明顯的整腸作用,同對照組相比,飼喂菊芋汁的小鼠排便順利,糞便顆粒大且濕潤。
  6. The miscellany appeared in strains of myrica, casuarina and alnus were also partly coincident with what normand et al. ( 1996 ) and li zhizhen ( 2002 ) obtained : the clusters devided by the isolates from the myrica and casuarinahave grest genetic diversities. besides the analysis of the strains, we also tried to extract the dna of frankia from the nodules directly and analyse them also with the method of pcr - rflp

    這些結果與baker ( 1987 )通過交叉感染試驗將來自不同宿主的50frankia分成4個類群的結果部分一致,但也暗示其可能局限性;此外,分析楊梅和木麻黃所得到的結論支持了normand等( 1996 )與華農業大學碩十研究生學位論文李志真( 2002 )所得的結論,即木麻黃和楊梅的比較混雜,兩者都不能成為獨立的類群。
  7. Serious cross reation existed between v. albo - atrum and mv2, mv3, mv4. the other pathogen isolates v31 and v32 also had cross reactions, but the reaction was not serious. because limited number of pathogen isolates were selected, it could not prove that the selected immunogen was widely presentative, more pathogens isolates should be tested to verify the acquired hybridomas cells

    5單抗雜交瘤細胞種或屬的特異性,其mv2在棉花黃萎病若干系間的檢測表明其能夠區分不同的致病類型; mv1和mv4組合檢測的結果基本上能將棉花大麗輪枝鑒定到種;黑白輪枝與mv2 , mv3 , mv4的交叉反應比較強烈,其他v3 , v32個別的交叉反應,但不強烈
  8. The deleted mutant pap gene was also cloned into yeast secreted expression ppic9k vector to form ppic9k ~ 3, then the vector was transferred into pachia pastoris gs115 strain. the specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50 - 60 u g per millilitre measured by uv - absorbed methods in the supernatant of the medium via high density fermentation. sds - page results showed that there was one protein band in the gel which molecular weight was about 34ku

    將缺失型pap基因克隆于酵母分泌型表達載體ppicgk構成重組載體,然後導入畢赤酵母( p8chianastoris )gslls細胞,在甲醇的誘導下,經過酵母高密度發酵進行pap的表達,經sds page分析,結果表明,在培養基上清液一明顯的特異性蛋臼條帶,大小為34ku ,經western blotting分析,該蛋白與法國pap抗血清特異性反應,體外活性檢測表明該蛋白對tmv的侵染性高度的抑制性,說明該pap基因在畢赤酵母gs也得到了正確表達。
  9. To dress the question if other virulence gene were present in this kind of strains, 152 of 436 irp2 - hybridized strains were re - confirmed and selected for this study. the virulence genes or putative virulence genes detected by pcr or hybridization include heat stable toxin ( st ) & heat labile toxin ( lt ) for enterotoxigenic e. coli ( etec ), invasive plasmid antigen b ( ipab ) for enteroinvasive e. coli ( eiec ), epec adherence factor ( eaf ), epec secretion protein c ( espc ) for enteropathogenic e. coli ( epec ), hemolysin ( hlya ) and shiga toxins ( sltl and slt2 ) for enterohaemorrhagic e. coli ( ehec ) and eaggec probe for entero - aggregative e. coli ( eaggec ). the prra and yc73 genes of pathogenicity associated island ( pai ) of urepathogenic e. coli ( upec ) and " o " island 28 ( rtx 615 ) gene was also detected, the later was a newly discovered putative pathogenicity island in e. coli o157 : h7

    為探討攜帶小腸結腸炎耶爾森氏的hpi毒力島的大腸桿是否其他已知的毒力基因,選取82由原位雜交和pcr方法初篩irp2陽性的大腸桿,進行在致瀉性大腸桿的25個毒力基因的檢測,包括腸產毒性大腸桿的熱穩定毒素st和熱不穩定毒素lt ,腸侵襲性大腸桿的侵襲蛋白b基因ipab ,腸致病性大腸桿的eaf 、 espc基因,腸出血性大腸桿的溶血素hly 、志賀毒素1 ( slt1 ) 、志賀毒素2 ( slt2 )基因,腸集聚性大腸桿的eaggec探針,以及在泌尿道致病性大腸桿和o157 : h7大腸桿新發現的毒力島基因。
  10. Pcr amplification using 2 degenerate primers for nitrogenase fe protein gene was performed with chromosomal dna isolated from the 29 isolates. the result suggested that a nifh amplicon of 323 nucleotides was detected in 7 isolates and the 7 isolates are c4 c5 g1 g2, w5 t1 and t7. these pcr amplified fragments were cloned, and sequenced

    首先利用芽孢桿芽孢的抗熱性將土壤溶液在100沸水煮10 - 15分鐘,然後用選擇性無氮培養基進行初篩得到29落形態不同的;接著用固氮酶結構基因nifh的特異性引物對這29進行pcr擴增,結果表明其7個nifh基因,這7個的編號依次為: c4 、 c5 、 g1 、 g2 、 w5 、 t1和t7 。
  11. In six selected areas of the subtropical semi - humid evergreen broad - leaf forest ecosystem of yunnan diaolin mountain, during drought season from november, 1992 to april, 1993, authors studied and analysed, throught adopting the taxonomic, ecological and mathematical statistics method, the distribution, composition and domi - nant fungi of the small fungi as well as biodiversity. altogether 706 strains statistics unit, belonging to 28 genera, dominant fungi 678 strains statistics unit, 20 dominant fungi gen - era

    在雲南雕林山亞熱帶半濕潤常綠闊葉林森林生態系統的六個代表性的樣區,於1992年11月至1993年4月旱季期間,運用系統分類、生態分析和數理統計的方法,對小型真種群的分佈、組成、優勢及其生物多樣性進行了分析,共分離獲得小型真統計單位706,分屬於28個屬,其,優勢678,分屬於20個屬。
  12. The powder was then applied to a silica gel column chromatography charged with 80 % acetone in water and eluted with the same solvent. after concentrating and drying, relatively pure fr - 008 was obtained. hplc assay a comparison between antibiotic fr - 008 and candicidin has been made by studying the hplc separation profiles of antibiotic fr - 008, candicidin and a mixture of both

    對鏈黴fr - 008和灰色鏈黴imru3570的rflp分析發現,它們的染色體很高同源性; pfge的比較研究發現,這兩個的明顯區別是鏈黴fr - 008攜帶兩個線性質粒,而在灰色鏈黴imru3570則沒這兩個線性質粒。
  13. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植物磷營養狀況、土壤機磷對am真生長和代謝活性的影響;不同am真的代謝活性及其與根效應之間的關系,並對我國華北、華和華南地區篩選出的高效進行了生態適應性的比較,以期在理論上闡述宿主植物生長狀況及土壤條件對根真生長和代謝活性的調控機制,篩選出廣泛生態適應性的am
  14. Further sequence analysis show that only 6 base pairs of nucleotide and 2 amino acids are different between them. the homological cry3aa gene was expressed in escherichia coli. and the expressed products which contain a fused peptide of 66 - 97 kilo - dalton was observed by means of sds - page

    生物活性測定結果表明該對榆藍葉甲( pyrrhaltaaenescens ( fairmaire ) )和光肩星天牛等鞘翅目昆蟲較高的毒力,因此初步確認該屬于cry3類; ( 2 )發現該編碼毒蛋白的基因位於質粒上,並且已經成功地克隆到該基因。
  15. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎,同時也為三種芳香族氨基酸的基因工程的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達,所構建的重組質粒ptga ,其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 , 5 、 4 、 2 . 3倍,且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換大腸桿31884 c甲b,搖瓶發酵證實比以往所構建的基因工程較高的phe產量和糖轉化率率,分別為0 . 448 %和22 . 4 % 。
  16. A total of 168 strains of actinomycetes, of which 23, or 13. 7 %, displaying antitumor activity, was isolated from near - shore marine samples collected at wenchang mangrove, danzhou harbor and yanpu harbor, three isolation methods were employed, which are sds pretreatment, phenol pretreatment, heating pretreatment and potassium dichronate selection culture, and various media were used

    先後從文昌紅樹林、儋州港以及洋浦港採集樣品,採用苯酚、 sds 、加熱三種樣品預處理法和添加重鉻酸鉀的選擇培養法,並選用多種培養基對這些樣品進行了抗腫瘤活性海洋放線的分離篩選。共分離到168放線,其23較強的抗腫瘤活性。
  17. In order to enhance the trehalose production, y7 was used for mutation with ems. through primary screening and compound screening, strain l61 with high - yielding trehalose and deep neutral trehalase activity was screened

    實驗對出發y7進行了ems誘變處理,通過初篩、復篩,從選育出一能高產海藻糖同時較低海藻糖分解酶活性的l61 。
  18. In 52 strains filamentous fungi and 82 strains macrofungi, the percentages of antitumor strains are as follows : 15. 4 % filamentous fungi, 21. 9 % macrofungi, most of which belong to aspergillus sp

    52絲狀真和82種大型真的生物活性測定結果顯示,絲狀真的15 4和大型真的21 9抗腫瘤活性,主要分佈於麴黴屬和傘
  19. In the present work, the strain 12y - 5 that should be of use for production of single cell protien was selected from 14 strains of yeast isolates

    本文從14個酵母篩選出一潛在工業應用價值的12y - 5 。
  20. These figures are smaller than those reported earlier in the literature. in spite of the reduced compatibility, true hybridization of populations can take place : two compatible matings between european and north american isolates fruited and the single - spore offspring showed normal tetrapolar mating pattern. eighty presence - absence dna characters were generated by randomly amplified microsatellite ( rams ) and ml3 fingerprinting analyses an

    結果蜜環狹義種的igs和its一rflp類型比以前報道的更多,亞洲、歐洲和北美比較明顯的特徵片段,通過its和igs圖譜可將三個大陸的區分開,其igs一hinjl圖譜能完全區分三個大陸的
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