gene differentiation 中文意思是什麼

gene differentiation 解釋
基因分化
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  • differentiation : n. 1. 差別，區別；區分，劃分。2. 【生物學】分化，變異。3. 【地質學；地理學】（從共同的巖漿產生出不同的巖石的）分異作用。4. 【數學】微分法。
  1. The sequence analysis revealed that the as1 gene encodes a myb protein, which is a candidate transcription factor. in as1 and as2 mutants, the polarity formation in leaves is defective. cell differentiation along abaxial - adaxial, proximal - distal and media - lateral axes all shows an insufficient fashion

    通過掃描電鏡、干涉相差顯微鏡、組織切片、過量表達等手段研究了as1和as2的功能，包括觀察觀察突變體的組織、細胞結構及早期發育狀況，同時採用gus表達、 rt - pcr 、原位雜交、 northern等手段分析基因的表達情況。
  2. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。
  3. Otto f, thormell ap, crompton t, et al : cbfa1, a candidate gene for cleidocranialdyspasia syndrome, is essntil for osteoblast differentiation and bone development. cell 1997, 89 : 765

    馮偉，傅文? ，朱雅萍，等.接骨中藥對培養成骨細胞增殖、分化和礦化功能的影響.浙江中醫學院學報. 2004 ， 28 （ 2 ） ：待發表
  4. We synthetically discussed intraspecific differentiation and evolution, from four biotic levels of population, individual, cell and gene. intraspecific differentiations in morphology were investigated firstly. the results indicated that there are varied polymorphsim within populations, and obvious polytypism among populations

    本文在形態分類的基礎上，根據居群生物學的原理和方法，對淡黃花百合的形態學、細胞學、分子生物學進行了研究，從居群、個體、細胞和基因四個層次綜合探討了該種植物的種內分化與進化。
  5. To follow the differentiation of lepcs in vivo, lepcs were tagged with reported gene egfp, dsred and lac z by retroviral methods

    採用逆轉錄病毒介導的基因轉染手段，將lepcs標記lacz 、 egf戶和osreo作為報告基因。
  6. Epigenetic alterations in cell - type - specific gene expression control the transition of neural stem cells ( nscs ) from predominantly neurogenic to predominantly gliogenic phases of differentiation, but how this switch occurs is unclear

    細胞類型特異的基因表達之表觀遺傳學改變控制著神經幹細胞由神經元發生為主向膠質細胞發生為主的轉變，但是這一時相的切換機制還不清楚。
  7. Research topics : functional genomics, adipocyte differentiation and gene expression, nutrient - gene interaction, molecular markers and reproductive performance, and wildlife molecular markers and reproductive conservation

    研究主題：動物功能性基因體、脂肪細胞分化與基因表現、營養分與基因表達基因分子標記與繁殖效能與野生動物之分子標記與繁殖保育。
  8. Here we have used dye injection and gene gun labeling to identify and follow their differentiation in both normal and dark reared rabbits

    本篇研究主要是用微量注射和基因槍標定技術，觀察在全暗飼養下和正常光照飼養下兔子雙極細胞的分化情形有何不同。
  9. In he - 3 and de - 3, 16 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 16 protein spots that were up - and down - r gulated were identified unambiguously. in he - 2 and de - 2, 20 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 5 protein spots that were up - and down - regulated were identified unambiguously, some of these different proteins are correlative with eyes development, nerve development, development regulation, cell differentiation and maintenance, arthromere formation and signal transduction. it shown that gene expression have significant difference between diploid and haploid during embryos developing

    分別選取其中70個分辨好的差異蛋白質點進行原位胰蛋白酶酶解，酶解的肽片段用基質輔助激光解析電離分行時間質譜（ maldi - tofms ）得到肽質指紋圖譜，再在網上peptident軟體中搜索swiss - prot和trembl數據庫，初步鑒定了he - 3和de - 3上32個差異蛋白質點，其中包括16個表達量上有差異的蛋白質點（ p 0 . 05 ）和16個有無表達的差異蛋白質點，並且初步鑒定了he - 2和de - 2上25個差異蛋白質點，其中包括5個表達量上有差異的蛋白質點（ p 0 . 05 ）和20個有無表達的差異蛋白質點。
  10. In addition, base on the certain level of genetic differentiation of among the 4 possible natural populations, it is advised that adult plants or seedlings of ginkgo be transplanted mutually in order to enhance the gene flow among them and preserve the genetic diversity of ginkgo furthest

    因銀杏群體間已出現了一定程度的遺傳分化，建議在可能的自然群體間進行植株和種子幼苗相互移栽，以增強群體間的基因流，最大限度地保護銀杏的遺傳多樣性。
  11. The hypocotyl segments of cabbage were used as the explants and cultured on a ms medium supplemented with plant hormone, which was established a cabbage regenerated system. the differentiation rate of adventitious buds was above 80 %. in this study, ubic gene was transformed to cabbage through agrobacterium mediated system

    同時，採用甘藍無菌苗的下胚軸為外植體，以ms為基本培養基，分別用直接分化再生系統和愈傷再生系統誘導不定芽的分化，建立了高效穩定的再生系統，不定芽分化頻率達80以上。
  12. The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted

    不同退化系列，克氏針茅種群雖發生了遺傳分化，遺傳多樣性略有降低但仍維持較高的水平，且與正常草地間有基因流，只要採取合理的草地利用措施，減輕放牧壓力，退化草地即可恢復，若採取人工補播正常種群種子，將會加快退化種群的恢復進程。
  13. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期，即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差異，轉化正義載體穀子的木質部變多，維管系統增多，而反義或干擾的轉基因穀子的木質部數量變少，木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢，這種作用是通過改變植物體內激素的含量實現的。
  14. " interpreting patterns of gene expression with self - organizing maps : methods and application to hematopoietic differentiation. " pnas ( 1999 )

    說明基因表示的自組投射樣式:區分造血細胞的方法與應用， pnas （ 1999 ）
  15. The complicated life cycle of streptomyccs is one of the most important reason that attracts researchers on its genetics. a great deal of valuable information on the morphological, physiological differentiation of streptomyccs coclicolor will emerge after genome sequencing is completed. based on the s. coelicolor dna sequences that have been finished and focusing on three ftsk homologous, which may be closely related with cell division, this study tried to find out the functions of three ftsk homologues genes by gene replacement or disruption

    鏈黴菌復雜的生活史是研究其遺傳學的一個重要原因，天藍色鏈黴菌全基因組測序將會為其形態及生理分化發育的研究提供大量有用的信息，本研究基於天藍色鏈黴菌已測出的98序列，對一組可能與細胞分裂有關的基因? ftdk同源基因? ?進行基因置換或中斷並對其功能進行初步研究。
  16. Restin was a novel gene isolated by our lab from differentiation tumor cell induced by all - trans retinoic acid in 1999, and its molecular functions were not well understood. it mainly expresses in terminally differentiated cells. by transfection of restin into tumor cell, the cells were arrested in g1 phase and the cell proliferation was inhibited

    Restin是1999年本室在研究全反式維甲酸誘導細胞分化時克隆得到的一個人類未知功能的新基因，該基因主要表達于終末分化細胞，穩定轉染該基因的細胞出現g1期阻滯，抑制細胞的增殖，提示restin與細胞周期的調控有關。
  17. These findings suggest that c. chinensis extract may interact with cell surface membranes in a different way from ngf, and indirectly activate ngf receptor. consequently, c. chinensis extract shares the common pathway induced by ngf, leading to activation of specific gene required for the differentiation process

    這說明菟絲子提取物可能通過一種不同於ngf的方式與pc12細胞作用，間接地活化ngf受體；隨后通過與ngf相同的方式激活誘導細胞分化的相關基因，從而誘導pc12細胞分化。
  18. Effect of tgf - on the proliferation and differentiation and gene expression in rat osteoblast

    補骨脂提取物對體外培養新生大鼠顱骨成骨細胞的影響
  19. The gene flow among the subpopulations of reawnuria soongorica ( mn = 1. 1028, nm > 1 ) was much less than that of the common anemophytes ( atm = 5. 24 ), so the species was in the critical state of genetic differentiation to some extent the results of amova showed that there were 61. 58 % of the total genetic variations existing among the subpopulations, and 38. 02 % within them

    紅砂亞種群間的基因流nm = 1 . 1028 ， nm 1但低於一般風媒傳粉植物（ nm = 5 . 24 ）的基因流水平，處于分化的臨界狀態。 amova分析說明紅砂種群變異的61 . 58存在於亞種群內，而亞種群間的變異占總變異的38 . 02 。
  20. Coefficient of gene differentiation ( gsr ) was 0. 1567, that was 15. 7 % of genetic variation among subpopulations, and 84. 3 % within subpopulation

    基因分化系數g _ st值和shannon多樣性指數分析結果均表明遺傳變異的大部分存在於亞居群內（約為84
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