b - basic mutation 中文意思是什麼

b - basic mutation 解釋
基本變形
  • b :
  • basic : adj 1 基礎的，基本的，根本的。2 【化學】堿性的，堿式的。3 【礦物】基性的，含少量硅酸的。4 【軍事...
  • mutation : n. 1. 變化,變異,更換；【生物學】突變；突變種；【語言學】母音變化；【音樂】（提琴的）變換把位；變聲；【法律】讓受。2. （人世的）浮沉,盛衰。
  1. Okamoto h, tsuda f, akohane y, et al. hepatitis b virus with mutation in the e antigen - negative phenotype in carriers with e antibody to e antigen [ j ]. j virol, 1994, 68 : 8102

    王小飛，劉華瑞，王錦蓉，等.乙型肝炎和肝癌患者乙型肝炎病毒前c區1896位點突變的研究[ j ] .中華傳染病雜志， 1996 ， 14 : 11
  2. Studies on karyotypes wihin clones indicated that all the karyotypes belonged to stebbins ' 3b type. there are different karyotype formulas, polymorphsim of satellite chromosome, variations of chromosomal structure and b - chromosome in clones. chromosomal mutation is important factor of chromosomal structure variations within clones

    無性系內核型研究表明：各無性系的核型類型都屬于st吮七us的m型、核型公式不完全川同、隨體染色體具多忐性，染色體存在結構變異，研究認為造成無性系內核型變異的重要原因是染色體突變。
  3. 3 ) the results of studying on the chromosomal mutation and mitosis of the wheat irradiated by uv - b indicated that the rate of mitosis was inhabited by uv - b radiation ( 10. 08 kj ? m " 2 ? d " 1 ) in wheat cells, and some types of chromosome aberration were induced

    （ 3 ）對染色體及細胞分裂的研究結果表明，增強uv - b輻射能抑制小麥細胞的有絲分裂率，產生落後染色體、染色體橋、游離染色體、核變形等畸變。
  4. 24 nucleotides differences existed between the vp3 gene of hland b isolates are mainly distributed from 312bp to 4l7bp and 79lbp to i276bp, the two regions might be mainly the high mutation regions. the deduced amino acid sequence of hl isolate has nine amino acids differences with gpv b jsolate which locates mainly in the region from 266aa to 417aa

    除個別突變點外，大多數變異集中在兩個區域， vp3基因5 』端312bp - 417bp區和3 』端791bp - 1276bp區，由該序列推導的氨基酸序列與gpvb株有9個氨基酸發生改變，集中在266位和417位氨基酸之間，這一區域可能是vp3基因的高變區。
  5. So, combined examination of mutation of hbv c gene, the concentration of cytokines and t lymphocyte subpopulations is very significant to real ise the relationship between hbv c gene mutation and the cellular immunity of the host, and also can offe r the basis to further announce the pathogenesis of chronic hepatitis b and individual diagnosis and treament

    因此聯合檢測hbvdnac基回全序列、血清細胞因子水平及t細胞亞群，可以全面了解基因的變異情況，綜合分析變異與細胞免疫功能的相關性，並為進一步揭示慢性乙肝的發病機理及個體化診斷和治療提供依據。
  6. However, dna damage has been ruled out as the prerequisite for alkylating agents - induced mutagenesis. for example, somatic hypermutation, which occurred around the variable region in the immunoglobin gene of b cells, is driven by antigen activation not by dna damage and is considered a kind of active mutation

    但是dna損傷並不是引起突變的必要條件，一個典型的例子就是發生在b淋巴細胞的免疫球蛋白（ ig ）可變區基因上的「體細胞超突變（ somatichyermutation ） 」 ，是由表面抗原受體而不是dna損傷驅動的主動突變。
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