親株 的英文怎麼說

中文拼音 [qīnzhū]
親株 英文
parent strain
  • 株 : 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）
  1. The acetaldehyde dehydrogenase ( acdh ) and alcohol dehydrogenase ( adh ) of the adhe mutants and parent strain were assayed with a result that the acdh activities of mutants were less than 10 % of the parent strain and the adh activities of mutants are about 10 % of the parent strain

    6個adhe ~ -突變株的乙醛脫氫酶活性均降低為親株的10以下，乙醇脫氫酶活性降低為親株的10左右； 4個ldha ~ -突變株的乳酸脫氫酶活性均降低為親株的7以下。
  2. The results showed that the nearer the relationship of the species, the more similar the zymograms. the zymograms difference between species in different genes is more obvious than ones in the same one. in addition, there is a certain difference between the zymograms of different strains of the same species from different ascocarps and places

    結果表明，親緣關系愈近的菌株其酶譜的相似性愈大，屬間差異明顯大於種間差異，同菌種的酶譜可因寄主、產地不同等而存一定差異。
  3. Endodeme is a deme composed of predominantly closely inbreeding but dioecious individuals.

    同系同群種是由近親繁育占優勢，但雌雄異株的個體組成的同群種。
  4. The genetic relationship had been evaluated by similarity cofficient obtained from these profiles

    對rapd結果進行聚類分析，構建了各供試菌株基因型的親緣關系圖。
  5. Although both of the parents were lost the regeneration capacity, the hydrid cell line ri was capable of differentiating small shoots due to complementation of regeneration capacity

    盡管雙親均已喪失分化植株的能力，但由於再生互補效應，雜種細胞系r _ 1仍出現分化，並得到小苗。
  6. Protoplasted monokapyon ( pm ) were prepared from lentinus edodes strains jingxuan and wuxiang, respectively, intercross process were put in practice

    摘要以香菇菌株精選和武香作為親本制備單核原生質體，將兩個親本的單核原生質體進行一一雜交。
  7. Cleft graft of hard branch of those varieties used " gongniang no. 1 " as stocks showed low affinity of stock and scion, rooting rate, plant percent, bloom percent and yield in a productive garden, 3 ~ 4 year - old graft trees showed low fruit while full bloom, 5 ~ 6 year - old graft trees showed a large mount of death

    上述品種與「公釀一號」硬枝嫁接、表現接穗與砧木親和力差、生根和成苗率低、生產建園開花株率和產量低、 3 ~ 4年生樹嫁接樹出現滿樹開花坐果少、 5 ~ 6年生樹出現大量死亡。
  8. Purified fusion protein gst - hnadc3 was used as an immunogen to inoculate rabbits and the antibody against the gst - hnadc3 fusion protein was raised, and was purified by gst sepharose 4b affinity chromatography to remove the antibody against gst

    Ptg誘導表達，超聲破碎細胞后，採用親和層析方法純化融合蛋白gst十nadc3 ，並以此為抗原免疫紐西蘭株白兔制備融合蛋白抗體。應用親和層析的方法對gst十nadc3融合蛋白抗體進行純化，以去除抗gst抗體。
  9. This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  10. Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  11. Calculated with nei ' s formula and the unweighted pair - group method with arithmetic averages ( upgma ), the cluster analysis results demonstrated that the classification of seven strains of spirulina platensis with rapd markers is consistent with some of their physiological and biochemical characters as well as some molecular biological characteristics

    用nei 』 s公式與歐氏距離類平均法對此擴增結果進行聚類與親緣關系分析。結果表明， rapd分類結果與7株材料的某些生理生化和分子生物學特性相吻合。
  12. The resulting derivative strains produced antifungal activity in a manner different from the parental strain, indicating the original promoter was replaced with the engineered promoters and the epitopes

    衍生菌株合成抗真菌抗生素的產量與親本菌株不同，表明fr - 008基因的原始啟動子已被改造后的啟動子和抗原決定簇所代替。
  13. Anti - melatonin monoclonal antibodies of higher titer, affinity and good sensitivity were obtained by coupling mt to bovine serum albumin with formaldehyde and by immunizing mice with multifocal intra - dermal injections. we obtained 6 strains of hybridoma, all of them secreting specific antibodies to mt, we apply antibodies to determinate free mt inhuman serun with group - selective immunoassay technique. an inhibition curve for mt was obtained in the range of 50pg to30ng, and 1. 4ng of mt inhibited the value of the assay by half. we evaluate the specificity of antibodies by determination of cross - reactivity of several analogues, the moabs recognized mt but

    通過將mt用甲醛作連結劑連結到牛血清白蛋白上sa採用皮下多點注射兔疫小鼠得到了高效價，高親和力，較好特異性的抗mt單克隆抗體，最後獲得了5株單克隆細胞株，都能分泌針對mt的特異性抗體，建立了選擇性基團免疫分析法，用制備的抗體測定了人血清中mt的含量，作了mt的抑制標準曲線，其抑制范圍從50pg ? 30ng ，半抑制量為1
  14. Mother s command and entreaty that she would behave more decorously, little pearl paused to gather the prickly burrs from a tall burdock which grew beside the tomb

    聽到她母親又是命令又是懇求地要她放規矩些，小珠兒才不再跳舞，從長在墓旁的一株高大的牛蒡上採集多刺的果實。
  15. For increasing yield per plant, relation of effective ear numbers and ear length should be coordinated ; the direct and indirect effect or relative importance of various characters to grain yield should be made clear for providing scientific evidences to choose and compose parents of two - row hulled malting barley

    為了提高單株產量應注意協調好有效穗數與穗長這一對主要矛盾；明確各性狀對籽粒產量所起的直接和間接作用及其相對重要性，確定主攻方向，配製各種優勢組合，為大麥親本選配提供科學依據，從而達到二棱型啤酒大麥預期的育種目標。
  16. In reproductive phase, however, the ratio of low - fertility plants first increased then decreased as genetic relation between exogenous donors and a. thaliana reduced

    但在生殖生長階段，低育性株率的變化隨著親緣關系的從近到遠呈現出一種先升高再降低的變化趨勢。
  17. The fragments were ligated directly to the pichia pastrois expression vector ppic9 to got ppic9 - e3and ppic9 - e8. vectors were amplificated in the e. coli dh5 a and were linearized with bgl ii. the linearized vctors were transformed into host strain gs115. the recombinated strain was selected though phynotype and pcrthe positive strain was induced with methyl alcohol and was selected by dot - elisa. the recombinated protein was detected with sds - page and western - blot as before

    重組菌用甲醇誘導表達，用dot - elisa的方法篩選到表達量較高的菌株。將篩選出的菌株大量的誘導表達，對表達上清處理后，用sds - page和western - blot進行鑒定。同時，用hiprep16 10heparinff肝素親和柱對表達蛋白進行了初步的純化。
  18. First, after investigation of two original strains " biological characteristics, we studied the main influence factors on protoplasts formation and regeneration in s. mycarofaciens and s. erythreus, and determined the best protoplasts formation and regeneration conditions of two original strains. the former shake - cultured in s " medium at 28 ?, 220r. min ~ ( - 1 ) for 24h, lysised by 3mg / ml lysozyme, keeping warm at 32 ? for 50 ~ 60min, regenerated on r _ ( 5 " ) medium, 28 ? for 5 ~ 6d. the latter used two - step culture, then used img / ml lysozyme keeping warm at 37 ? for ih ; the protoplasts were plated on r5 " regeneration medium at 28 ? for 5d

    首先在對兩親株的生物學特性進行了鑒定后，考察了影響兩親株原生質體形成和再生的主要因素，確定了生米卡鏈黴菌和紅黴素鏈黴菌原生質體形成及再生的最佳條件：前者用s培養基，在28 、 220r . min ~ （ - 1 ）培養24h后，用3mg ml的溶菌酶在32恆溫酶解50 60min ，得到的原生質體在乾燥的r5培養基上28倒置培養5 6天，可得到再生率在20左右的再生菌落；後者採用二級菌絲培養，用1mg ml的溶菌酶在37恆溫酶解1h左右，得到的原生質體也在乾燥的r5培養基上28倒置培養5天，即可得到再生率在20左右的再生菌。
  19. Irradiation or heat treatment protoplasts fusion were developed. equal protoplast suspensions ( containing about 108 / ml protoplasts ) of each strain were mixed and washed by centrifugation, then the pellets were resuspended in peg4000 solution ( 35 % ) at 37 ? for 2min. after centrifugation and resuspension, protoplasts were diluted and plated on regeneration medium

    其次，確定了原生質體融合的基本條件及滅活原生質體融合的條件：等量混合兩親株原生質體或用熱滅活（或紫外滅活）的原生質體（ 10 ~ 8個ml ） ，用35的peg4000在37處理2min后，稀釋，塗布再生，可獲得融合率在50左右的融合子。
  20. Two pta - mutants have been selected by using suicide substrate after the mini - tn5 transposon insertion mutagenesis of klebsiella pneumoniae m5al. when used in microaerobic fermentation, the amount of acetate produced by the mutants reduced to less than 50 % of the parent strain, and the yields improved whereas the 1, 3 - propanediol titers and productivities decreased

    以klebsiellapneumoniaem5al為出發菌株，用mini - tn5隨機轉座誘變結合自殺性底物篩選的方法得到了兩株產乙酸途徑pta基因缺失突變株xl - 6和xl - 11 ，應用到微氧法發酵中，突變株的乙酸產量為親株的50以下，甘油轉化率有所提高，但1 ， 3 -丙二醇濃度和生產強度有所下降。
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