遺傳進展 的英文怎麼說
中文拼音 [yízhuànjìnzhǎn]
遺傳進展
英文
genetic advance-
Recent progress in the molecular genetics of spinocerebellar ataxias
脊髓小腦共濟失調的分子遺傳學研究進展This paper reviews the development of genetic marker technique and introduces the applications of genetic marker technique to the study of systematics, biodiversity and phylogenetics of marine copepods
摘要研究回顧遺傳標記技術的發展及其在海洋橈足類分類學、群體遺傳學、系統發育和分子進化研究等方面的應用情況。Bacteria fusion promises to be a major advance in research involving microbial genetics.
細菌融合看來是微生物遺傳學研究的一個較大的進展。Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate
研究背景：近20年來，輔助生育技術有了突飛猛進的發展，體外受精、卵漿內單精子注射技術（ intracytoplasmicsperminjection ， icsl ）和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域，但同時也不能否認，在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。Advance in genetics and aerobic biodegradation of monocyclic nitroaromatic compounds
單環硝基芳香化合物好氧生物降解及其遺傳學研究進展This article reviews the clinical manifestations, mutation feature, gene location and phenotype of different ischemic cerebrovascular disease caused by monogenic disorders, including coagulation disorders, erythrocytic disorders, inherited small vessel disease, metabolic disorders, connective tissue diseases, vasculopathies and disorders of unknown etiology
本文主要闡述了單基因遺傳障礙引起的缺血性腦血管病，包括凝血障礙、血細胞病、遺傳性小血管病、代謝障礙、結締組織病、大動脈病及不明原因引起缺血性腦血管病的臨床特徵、突變特點、基因定位及表型等遺傳學研究進展。Progress in research on animal models of chronic nonbacterial prostatitis
口服降糖藥的遺傳藥理學研究進展Advance of research on hereditary hemorrhagic telangiectasia
遺傳性出血性毛細血管擴張癥的研究進展Molecular genetics advancement of uterine leiomyomas
子宮肌瘤的分子遺傳學研究進展Recent studies show that dna transfer and recombination technology provides great potential for genetic improvement of zoysiagrasses ; molecular linkage maps were constructed from zoysia japonica and its hybrids with zoysia matrella ; the researches on gene cloning and gene resource are in progress
最近的研究表明，基因轉移與重組技術在結縷草遺傳改良中具有巨大應用潛力；結縷草遺傳連鎖圖譜構建取得重要進展；基因克隆和基因資源研究正在展開。The subject is reviewed on the value of low chilling peach and nectarine varieties, breeding history, breeding characters, genetic background, breeding objective and introduction of the advanced varieties as well as the breeding objective in china
從短低溫桃、油桃品種的價值、育種歷史、特點、遺傳背景、主要育種目標和優良品種介紹等方面概述了短低溫桃品種的研究進展，提出了我國短低溫桃育種的目標。Abstract : the subject is reviewed on the value of low chilling peach and nectarine varieties, breeding history, breeding characters, genetic background, breeding objective and introduction of the advanced varieties as well as the breeding objective in china
文摘:從短低溫桃、油桃品種的價值、育種歷史、特點、遺傳背景、主要育種目標和優良品種介紹等方面概述了短低溫桃品種的研究進展，提出了我國短低溫桃育種的目標。The idcbp has also funded postgraduate research in china to develop breeding coefficients, which will further enhance genetic progress
中加奶牛項目還資助在中國開展的研究生研究項目以開發育種系數，以進一步促進遺傳進步。The morphological diagnostic characters for many mature and early instar larvae are still lacking in china. partial sequences of the mitochondrial cytochrome oxydase i and ii and a transfor rna ( co i co ii and trna ) gene of the adults and larvae from caddisflies were. lepidostomaflavum, l. fui, l. arcuatum, paraphlegopteryx morsei, apsilochorema unculatum and apsilochorema hwangi, and the larval and adult stages of these species were sequenced and associated
採用dnastarpackage中的editseq軟體進行序列編輯、 orf查找；採用clustalx軟體進行序列比對（ alignment ） ；比對結果輸入mega2 . 1軟體計算各樣品間的遺傳距離，並基於kjmura2 - parameter模型，用鄰接法（ neighbor - jojning ， nj ）構建系統發生樹，通過自展（ bootstrap1000次）檢驗獲得系統樹分支的置信度。The progress of the study on evolution and conservation genetics of cervidae was reviewed
綜述了近年來鹿科動物的進化和保護遺傳學研究進展。Along with the development of the cytobiology and the molecular biology, and thoroughly research of the biophysics, the biochemistry, the genetics and immunology, it has cultivated the modem biological technology, such al genetic engineering, cellular engineering, enzyme engineering, fermentation engineering and so on, to change biology characteristic to carry on the material transformation, has formed the front biological examination technology : the dna probe, the pcr technology, the molecular mark, the bioluminescence technology, genechip technology and so on the widespread application of these advanced biotechnologies in dairy industry baa impelled the dairying technical transformation, and has been having vital significance to dairy production, research and dairy product security
摘要隨著細胞生物學和分子生物學的發展及對生物物理、生物化學、遺傳學和免疫學研究的深入，培育了基因工程、細胞工程、酶工程、發酵工程等改變生物特性進行物質轉化的現代生物技術，形成了dna探針、 pcr技術、分子標記、生物熒光技術、基因晶元技術等前沿性的生物檢測技術，其在乳品工業中的廣泛應用，推動了乳業的技術變革，對乳品生產、研究和乳品安全意義重大。Green fluorescent protein ( gfp ) gene was conjugated to the 3 " end of the pap gene in order to screen easily of the transgenic cotton plants. the combined gene was cloned into plant expression vector pbi121 and then transformed. about 5000 seeds of the transgenic cotton were obtained and the some seedlings of the transgenic cotton could give a bright green fluorescence in the dark condition when the cotton seedlings were irradiated with ultraviolet rays
為了便於轉基因棉花後代的篩選，在pap基因的3 』端融入了綠色熒光蛋白gfp ）基因，然後將融合基因克隆在植物表達載體pbi121上，再進行遺傳轉化，得轉基因棉花種子5000餘粒，將種子播種長到于葉展開時，先在黑暗中用紫外燈照射，查找表現綠色熒光的幼苗，然後再用地高辛（ dig ）標記的pap基因特異性探針對這些棉花進行點雜交，最後發現有8株棉花表現陽性反應，說明pap基因的確己經轉到了棉花的基因組中，其棉花黃萎病的抗性鑒定正在進行之中。Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements
利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits
本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的The study progress of the biosynthesis genetic control of chlorophyll b in chlamydomonas reinhardtii
生物合成的遺傳控制研究進展分享友人