遺傳選育 的英文怎麼說

中文拼音 [yízhuànxuǎnyù]
遺傳選育 英文
genetic selection
  • 遺 : 遺動詞[書面語] （贈與） offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 育 : 育動詞1. （生育） give birth to 2. （養活; 培育） rear; raise; bring up 3. （教育） educate
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. This paper introduced the application of biotechnology in rice genetics and breeding, including tissue culture, cell mutants selection, protoplast fusion, apomixis, molecular mark assisted breeding and genic transformation

    簡要綜述了生物技術在水稻遺傳育種中的應用，主要包括組織培養、細胞突變體的篩選、原生質體融合、無融合生殖以及分子標記輔助育種和轉基因技術等方面。
  2. This paper summarized the inheritance and variation of main biological and economic characters in rape progeny from hybridization and distant crossing, inquired into the selective mating of hybrid parent and the selection of hybrid progeny, analyzed the problems which had existed in rape distant crossing breeding, and put forward some ideas for accelerating the stability of characters in distant crossing progeny

    概述了油菜品種間雜交後代及遠緣雜交後代主要生物學性狀和經濟性狀的遺傳變異現象；對雜交親本的選配及雜種後代的選擇進行了探討，分析了油菜遠緣雜交育種中存在的問題，就加速遠緣雜種後代的穩定提出了一些見解。
  3. Interspecific protoplast fusion between aspergillus terreus t - 730, an itaconic acid producer, and aspergillus niger ni - 5k, a glucoamylase producer, was done to breed new mold producing itaconic acid from starch. the ni - 5 strain was induced with antibiotic - a, which became a drugresistant strain ni - 5k

    選擇衣康酸高產菌株犧土麴黴aspergillusterreust - 730和檸檬酸高產菌株黑麴黴aspergillusnigerni - 5 ，以抗菌素a對黑麴黴ni - 5進行誘導培育，形成遺傳穩定的抗藥性菌株ni - 5k 。
  4. This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected

    本研究以蛋白質分子設計的理論和方法研究避孕疫苗，將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理組合，獲得新抗原- 35肽序列；並在合成、純化後分別與弗氏佐劑、免疫刺激復合物（ iscoms ）混合后免疫不同遺傳背景的雌性小鼠，觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變：以及在ivf下，新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。
  5. Trilinear breeding methods and genetic basic of rape with two pairs of recessive genes of cytoblast and restorer line model cytoplasmic male sterile

    廣恢型細胞質雄性不育三系的選育方法及其遺傳學基礎
  6. There are concerns that harvesting wild shrimp for aquaculture may deplete local shrimp populations or cause by - catch problems, hi addition, the use of wild shrimp poses a serious risk to the shrimp aquaculture industry because they may be carriers of virulent viruses. the life cycle of chinese shrimp has been closed, paving the way for the establishment of genetic improvement programs. the use of dna markers can contribute significantly to the development and implementation of genetic improvement programs

    本文嘗試利用aflp及其相關技術sampl在中國對蝦中篩選相關分子標記，並通過比較抗病中國對蝦（第四代抗病蝦）及對照（前幾代抗病中國對蝦、野生中國對蝦）譜帶差異，試圖找到與中國對蝦生長速度、抗病等性狀相關的分子標記或主效基因，為中國對蝦的遺傳圖譜構建、 qtl作圖、分子標記輔助選擇及其他育種方法奠定遺傳學基礎，同時對中國對蝦性別相關標記和sampl法發展微衛星標記作了一些探討。
  7. Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences

    採用不同的統計學分析方法，最大簡約法（ maximumparsimonymethod ） 、最大似然法（ maximumlikelihoodmethod ）和遺傳距離法（ geneticdistancemethod ） ，得到了物種系統發育進化樹，但拓撲結構並不完全一致，這是可能是因為分子系統學研究與採用的分析方法和所選基因的保守程度即作為分子標記的可信度密切相關。
  8. There was no obvious change in genetic diversity between the cs201 and cs202, but the genetic diversity of 8203 is lower than the former 2 stocks

    Afi 。 p測試的連續選育群體的遺傳多樣性在cs201和cs202第二代之間變化不大，但cs203的遺傳多樣性有明顯的下降趨勢； aflp也可產生豐富的遺傳標記。
  9. 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
  10. It was accordingly revealed that the heritability of early maturity suffered strong environmental impact and thus in environmentally different locations it was not reliable to use the position of the first fruiting shoot and the period from sowing to budding as the criteria of early maturity but feasible and practicable to use growth period and flowering time as the index of early maturity

    由此說明：早熟性的遺傳受環境影響較大，在生態條件差異較大的育種地點，以果枝始節和播種現蕾作為早熟性指標進行異地選擇是不可靠的，而以生育期、開花期為早熟性選擇指標是比較可行的。
  11. From 19 arabidopsis male sterile lines isolated from an ethyl methanesulphonate - induced ( ems - induced ) population, a total of four male sterile mutants were screened with each mutant controlled by a single recessive gene

    首先對19個經化學誘變劑ems處理得到的雄性不育突變體進行背景純化和遺傳分析，從中篩選到四個單個隱性基因控制的雄性不育突變體（ ec2 - 157 、 ec1 - 188 、 ec2 - 115和ec2 - 214 ） 。
  12. The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism

    我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析，發現ro口口、 doil 、 doi口jlll3i等潛在突變株對aba 、過氧化氫及早脅迫有明顯表型，同時對潛在突變體的生長發育進行了詳細的觀察，發現多數潛在突變株與同條件下野生型比出現了許多明顯的形態改變，如:蓮座基葉增多、分層、肥大，花期提前或延遲，主莖生輪座，株型矮化，產籽量少，不育，敗育等，這些生理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發生了紊亂，具體和詳細的作用機制還需要進一步的研究。
  13. Marker - assisted selection speeds up plant breeding using biotechnology techniques like genetic markers, plant breeders have been able to shave months, often years off the conventional breeding process through marker assisted selection

    利用諸如遺傳標記物等的生物技術，植物育種家已經能夠藉助標記物進行選種，將傳統的育種過程縮短了幾個月甚至幾年。
  14. Analysis of genetic relatedness of traits and its selection in early generation on winter wheat in the shuttle breeding between irrigation and drought planting environments

    水旱協調選擇混合育種中冬小麥性狀遺傳相關分析及其早代性狀選擇
  15. A modified genetic algorithm ( mga ) framework was developed and applied to the flowshop sequencing problems with objective of minimizing mean total flowtime. to improve the general genetic algorithm routine, two operations were introduced into the framework. firstly, the worst points were filtered off in each generation and replaced with the best individuals found in previous generations ; secondly, the most promising individual was selectively cultivating if a certain number of recent generations have not been improved yet. under conditions of flowshop machine, the initial population generation and crossover function can also be improved when the mga framework is implemented. computational experiments with random samples show that the mga is superior to general genetic algorithm in performance and comparable to special - purpose heuristic algorithms. the mga framework can also be easily extended to other optimizations even though it will be implemented differently in detail

    提出了一個改進遺傳演算法的結構，並且應用於帶有目標是最小平均總流程時間的流水調度排序中.為了改進一般遺傳演算法的程序，兩個新的操作被引進到這個操作中.這兩個操作為： 1 ）過濾操作：過濾掉在每一代中的最壞的個體，用前一代中的最好的個體替代它； 2 ）培育操作：當在一定代數內演算法不改進時，選擇一個培育操作用於培育最有希望的個體.通過大量的隨機產生的問題的例子的計算機實驗顯示出，提出的演算法的性能明顯好於一般遺傳演算法，並且和此問題的最好的專門意義的啟發式演算法相匹配.新的mga框架很容易擴展到其它最優化當中，只是實施的詳細的步驟有所不同
  16. Qiupuriver mandarinfish is a local breed under selecting and a famous brand of chizhou city, anhui province, which has a big reproductive population and culturing on a large scale ; it also possesses of sound features such as high growth rate and strong resistance. but none study has been carried on its genetic basis before. study on the genetic variation of qiupuriver mandarinfish, changjiang mandarinfish and wanfuhu mandarinfish with isozyme and rapd markers has important content, at the same time, it will bring new material to selection and application of the qiupuriver mandarinfish

    秋浦河鱖魚是我省選育中的一個地方品種，具有生長快、抗逆性強等優良特性，已形成一定的繁殖與養殖規模，並成為我省池州市重點推廣的名牌產品；但對其遺傳基礎的研究尚屬空白，本試驗對秋浦河鱖魚、長江鱖魚和萬佛湖鱖魚進行同工酶和rapd分析，以便為秋浦河鱖魚的選育與推廣提供基礎資料。
  17. Maize transformation is limited by the receipant materials. only a few inbreds, such as a188, b73 and their derived inbreds, can regenerate well, while those elite ones that are widely used are not easy to transform successfully

    目前，玉米轉化僅限於少數培養性能好的自交系材料，如a188 、 b73及其衍生系，而對農藝性狀優良的自交系應用較少，本研究旨在建立一套穩定、高效的遺傳轉化體系，包括優良受體材料的選擇和培養基配方的改良，同時獲得抗除草劑的優良玉米育種材料。
  18. It can be concluded from the experiment results that hatchery seed has lower genetic variation and large - scale hatchery seed releasing affects the genetic diversity of the natural population. the shrimp distributed along china coast in bohai sea and yellow sea may consist of more than one populations. the viral disease resistant ability of f. chinensis is proved to be genetically inherited and can be improved by genetic selection

    一通過對實驗結果的進一步分析認為：中國對蝦人工育苗的過程使後代群體的遺傳多樣性下降，人工培育苗種的大規模放流影響了自然群體的遺傳多樣性； ，分佈於我國沿海的中國對蝦可能由多個自然群體構成，還存在未被發現的種質資源：中國對蝦抗wssv病毒感染是由遺傳決定的，選育可提高中國對蝦對wssv的抗性。
  19. 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。
  20. Excellence breeding technology and system have been built using dwarfing - sterile wheat and recurrent selection technology for longterm study and trying, and important progress have made in variety breeding, germplasm creation, transfer of characteristic inherit of dwarf male - sterile wheat and physiology bio - chemical etc

    矮敗小麥育成后，經過中國農科院等科研單位多年的研究與摸索，逐步建立起一套科學、方便、實用的矮敗小麥輪回選擇技術體系，並在品種選育、種質創新、矮敗小麥遺傳特性轉移、生理生化等方面取得了很大的進展。
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