genetic strain 中文意思是什麼

genetic strain 解釋
遺傳品系
  • genetic : adj. 1. 遺傳(學)上的。2. 發生的,發展的;創始的。adv. -ically
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  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

    本研究中,木耳屬2個種的2個菌株在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有顯示出多態性;增加內切酶種類及供試菌株數量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌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有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲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. His research interests lies in : 1 ) insect fungal pathogenesis and strain improvement by genetic modification ; 2 ) fungal conidiation, conidial germination and dimorphism

    研究領域: 1 )昆蟲病原真菌致病機理和基因工程研究; 2 )真菌孢子發育和形態轉換的分子機理研究。
  3. The tested isozymes included esterase ( est ) 、 superoxide dismutase ( sod ) 、 malate. dehydrogenase ( mdh ) 、 malic enzyme ( me ) 、 glutamate dehydrogenase ( gdh ) 、 peroxidase ( per ) and alcohol dehydrogenase ( adh ). there were obvious differences between the normal strain and its degenerative strain in est 、 mdh 、 me 、 sod. the zymotype were the same in the other isozymes. the results were not only used to test the degenerative strain at young stage, but also as the theoretical base to study the genetic mechanism of the degenerative strain

    而其餘四種酶在正常菌株和退化菌株中酶譜一致。本研究不僅可以作為菌株退化早期鑒別的手段之一,而且為進一步研究菌種退化遺傳機理提供了蛋白質水平上的一些理論依據。
  4. The advance of the metabolic engineering was briefly reviewed and the application of metabolic engineering methods for the construction of d - ribose - producing genetic engineering strain such as host selection, rate - limited step acceleration, metabolic flow alteration, fermentation process optimization and its application prospects of metabolic engineering was also described

    摘要簡要介紹了代謝工程的進展情況,並較為詳細地從宿主的選擇、加速限速反應、改變代謝流和生產過程的優化等方面論述了代謝工程在d -核糖基因工程菌構建方面的應用及其應用前景。
  5. Agobacterium tumefaciens strain a311 carrying the plant tranfer vector pb1121, which contains the neomycin phosphotransferasell gene ( nptll ) and p - glucuronidase reporter gene ( gus ) both under the control of the camv 35s promoter, was used in the establishment of the genetic tranformation of white clover

    選用苗齡4 5天的帶柄子葉作為外植體,先將外植體預培2天,再與根癌農桿菌a311共培養3 4天後,轉入附加有40mg l ~ ( - 1 )卡那黴素和400mg
  6. Application of microsatellite dna polymorphisms and dna fingerprints to inbred strain mice and rats to screen the exact, dependable, particular genetic monitoring marker method of laboratory animal, the author had studied the application of microsatellite dna polymorphisms and dna fingerprints to inbred strain mice and rats, and compared the two methods with the biochemical marker enzyme method. the study had established the foundation of the molecular genetic monitoring marker method of laboratory animal

    本文通過對dna指紋技術和pcr擴增微衛星dna技術在近交系大、小鼠遺傳檢測中的應用研究,並與生化位點標記分析法進行比較,旨在篩選出具有精確、可靠、特異性好的實驗動物遺傳檢測方法,為建立分子生物學實驗動物遺傳質量監測技術和標準奠定基礎。
  7. The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas

    對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。
  8. In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv

    本研究採用脂質體轉染方法,將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑克隆、篩選、表達, pcr鑒定和dot - elisa檢測,證明該重組病毒已構建成功,並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的重組禽痘病毒。
  9. Genetic monitoring of the irm - 2 inbred strain mouse

    2近交系小鼠的遺傳監測
  10. Genetic monitoring in the inbred strain of mice by microcytotoxicity test

    近交系小鼠的遺傳監測
  11. Studying rapd method for genetic monitoring in inbred strain mice

    方法對近交系小鼠進行遺傳檢測的研究
  12. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失,但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題,主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良,應用分子生物學手段只是研究種內、種間的系統關系等,而關于菌種退化遺傳機理的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的,也是生產當中迫切希望得到解決的問題。
  13. We did not find none of the articles report about the genetic and degenerative mechanism. the degeneration of strain is common in artificial - planting, it is one of the most urgent problems that need to solve

    本實驗中,運用rflp和rapd兩種分子標記技術及同工酶分析技術對正常菌株和其退化菌株進行了dna和蛋白質水平的分析,以期獲得表型性狀的變化所涉及的dna和蛋白質水平的標記。
  14. The close genetic relationship of goose parvoviruse and aav allows the examination of the molecular biological properties of the nonstructural proteins of gpv. after the gpv infected the cell the viral life cycle was regulated by the nonstructural proteins encoded by the virus. according to the published of gpv b strain genome nucleotide sequences in genbank and a pair of specific primers were disigned with oligo4. 1

    本研究根據genbank發表的gpvb株全基因序列,藉助oligo4 . 1軟體設計一對引物,採用pcr技術擴增gpvh1株非結構蛋白ns2基因,並與pmd18 - t載體連接后測序,結果表明:鵝細小病毒h1株ns2基因核苷酸全長1356bp ,編碼451個氨基酸殘基,與gpvb株的ns2基因相比,核苷酸數目相同,有17個堿基、 6個氨基酸的差異;同源性分析表明:二者核苷酸序列同源性為98 . 75 ,推導氨基酸序列同源性為98 . 67 。
  15. Was it the particular strain of parasite in his blood that day, his individual genetic or immunological makeup, his nutritional state

    是當時他血液里的寄生蟲品系特殊、個人遺傳或免疫組成、還是他的營養狀態?
  16. The rest mutations in pp38 and pp24 are at random. sequence analysis also shows the first 195 nuclear acids of pp38 and pp24 are the same except for the 81 site ( g / c ), but this mutation does not cause the change of amino acid. we regard this as a genetic marker connecting with geography in the evolution of mdv but not related to isolated time and pathotype of different strain of mdv i

    對pp24基因和pp38基因進行同源性比較分析的結果表明,絕大多數毒株二者的前195個核苷酸完全一致,不同毒株間的第81位核苷酸的差異( g / c )並不引起編碼的氨基酸變化,僅僅與地域分佈有關,這很可能是mdv在長期病毒衍化過程中形成的地域性遺傳標志,而與病毒的分離年代及mdv的致病型等因素無關。
  17. It has made the strong basis for further studying mechanism of replication, virulence and determinant, attenuation, pathogenesis, functions of genetic products, specific diagnosis, cell and host tropism, development of dna vaccine and marker vaccine of csfv, and provided an excellent tool for molecular virology. main research contents include : based on published nucleotide sequences of csfv and by the help of computer analysis software, high conservative regions and single restriction enzyme sites of genome were selected. utilizing rt - pcr and nested - pcr techniques, 7 overlapping cdna fragments covering the full genome of csfv c - strain were successfully amplified

    中國豬瘟兔化毒(脾淋毒)基因組cdna文庫的構建、序列分析:根據已發表的豬瘟病毒( csfv )核苷酸序列,藉助計算機軟體分析,選擇高保守區段和基因組中的單一限制性酶切位點,利用rt - pcr及nested - pcr和helf - nestedpcr技術,成功地擴增出了覆蓋c -株全基因組的7個cdna重疊片段f1 f7 ,分別克隆到pmd - 18t或pgem - teasy載體進行測序后,拼接出了其核苷酸序列。
  18. 2 establishment of genetic transformation system by agrobacterium rhizogenes the different types of explants ( hypocotyls, cotyledon, leaf blade, petiole ) were infected by strain r1601 of agrobacterium rhizogenes

    ( 2 0mg l )上培養30d后經過體細胞胚胎發生途徑產生大量的叢生苗;子葉培養在誘導子葉產生叢生苗培養基( msoc ) ms ba ( 2 0 。
  19. The result of this experiment provide an important basis for further study on gene vaccine and genetic engin eering vaccine of strain ha

    本研究結果為進一步研究mgh _ 3株的基因免疫和基因工程疫苗等奠定基礎。
  20. Genetic detection of the new inbred strain hlc mice

    小鼠的遺傳監測
分享友人