rapd 中文意思是什麼

rapd 解釋
快速擴增多態
  1. Application of molecular markers rapd in angiosperm classifacation

    在被子植物分類上的應用
  2. 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
  3. The results are as following : 1 eric - pcr was for the first time applied in differentiating strains from edible fungi and proved to be more rapid and reliable than rapd in auricularia identification study. taken the similarity coefficient as 75 %, 29 strains of three auricularia species were grouped into 6 and 9 clusters by rapd and eric, respectively. eric - pcr clearly distinguished a. auricula from a. polytricha while rapd failed

    在75的分類水平上, eric - pcr把29個菌株分為9組,黑木耳種和毛木耳種可以明顯區分開;而rapd只能分為6組,不能將黑木耳和毛木耳分開,說明eric - pcr是比rapd更快捷可靠的分子標記,可以有效用於木耳屬的種質資源及遺傳分類的研究,也適合於其它食藥用菌種質資源的研究; 2
  4. By morphological observation and rapd typing, the taxonomy position of pt95 strain and biosystematics of it and its close relative species was identified

    本研究通過形態觀察和rapd分析,初步確定了pt95菌株的分類地位以及該菌株和其近緣種的生物系統學關系。
  5. Cassava genetic background revealed by rapd

    技術對44份木薯材料遺傳背景的研究
  6. With the selected outgroup - chlamys farreri, the phylogenetic trees suggested that zhejiang population has differentiated. 3. in pb - pa and y1 - p0 families of argopecten irradians, 12 and 10 rapd primers were selected, which

    在海灣扇貝pb - pa與y1 - p0家系中,分別篩選出12和10條引物,其擴增出的產物在雙親中呈現多態的片段。
  7. Rapd ( random amplified polymorphic dna ) technique was used to study the genetic structure and genetic differentiation of the natural population and the hatchery stock of chlamys farreri. amplifications with 20 10 - base primers under predetermined optimal reaction yielded 153 reproducible amplified fragments ranging from 200 to 3000bp. the mean proportions of polymorphic amplified fragments of natural population and the hatchery stock were 73. 2 % and 70. 6 % respectively, and the mean hetreozygosities of them were 0. 27 and 0. 26 respectively

    在對20個野生櫛孔扇貝和20個養殖櫛孔扇貝的基因組dna的檢測中, 20個隨機引物共擴增出153條清晰可分辨的dna片段,片段大小在200 3000bp之間,其中野生種群和養殖群體多態性片段分別為112和108條,多態位點比例分別為73 . 2 %和70 . 6 % ,雜合度分別為0 . 27和0 . 26 。
  8. Because of the huge memory space and rapd calculation speed that compuer possesses, we can manage the ekisted drawings central1y and search them rapidiy in conclusion, the high quality and low price product wtth the help of applytng the cad technology will not only satisfy the requiremen of the market but also help factory amer apply the compeer technology in the process of production ( for example, haher production managemen0 we has applied thes systetn in extuion embranchmen factory and obtained favorable effect wich reveds tha thes system has widely applytng prospect and uti1ity value

    該系統將成組技術的分類編碼原理和計算機輔助設計技術應用於擠壓鋁型材的產品開發設計和產品圖紙的管理中,不僅可以極大地提高產品設計質量、縮短產品開發周期,還可以減少重復繪圖工作及規范制圖方法;同時,利用計算機存儲空間大、運行速度快的優點,可實現對已有產品圖紙的集中管理和快速檢索。利用計算機輔助產品開發,不僅能以高質量、低成本的產品迅速滿足市場需求,還可為工廠進一步實施計算機應用工程(如后續生產管理等)奠定良好的基礎。
  9. Two hundred and seventy - four sites were detected by 15 10 - mer primers, out of which 262 were polymorphic ( 95. 6 % of the total loci detected ). all of the materials were clearly distinguished, of which fourteen samples have forty - five typical rapd bands. before the molecular taxonomy was introduced, people never doubted subgenus yulania ' s disrelation with subgenus magnolia and a close relation between subgenus yulania and michelia, as there is in both genera a sameness seen in their prolepsis and powder chambers dehiscing on the side

    3 、通過對玉蘭亞屬rapd擴增譜帶的分析,發現該類群具有很高的多態性:多態位點百分率高達95 . 6 ,產生的多態性帶數與所用引物數的比例為17 . 6 , 15條隨機引物清楚地分開了31個種類,其中的14個種共有45條特徵性帶,在利用rapd標記已研究過的類群中,本類群多態性較高。
  10. Those easily found plants and fungi are pinus densiflora, querces mongolica, lespebeza bicolor, rhododendrum chrysanthum, melampyrum roseum, ramaria stricta, cortinarius collinitus, etc, among which, 22 species of plants and 3 species of mushrooms were first reported occurring beside fairy rings of matsutake. 4. studies on dna polymorphisms of symbiotic edible fungi, tricholoma matsutake. the dna fingerprinting of wild baidiocarps of matsutake, collected from the scenes of major production regions in china, were analyzed based on rapd ( random amplified polymorphic dna ) - pcr patterns were optimized by example experiments of two dna templates in this study

    除了常見的赤松(屍inusde胭必ra ) 、蒙古棟( que兀esm口吧口lica ) 、胡枝子(眾印『 bezabicolor ) 、興安杜鵑( rhododen動側nc加」 anthum )等外,另外以前並未報道的22種植物, 3種高等真菌也在松茸蘑菇圈附近出現頻率很高,例如被當地菇農稱為松茸花的山蘿花( mela州眨」似腳roseum ) ,與松茸同期發生的蘑菇如密叢枝( ramariastricta ) 、粘柄絲膜菌( cortinari 。
  11. Under the stress of nacl lower than 100 mmol / l, the tissue structure of root had no distinct difference from the control. when the concentration of nacl was higher than 250 mmol / l, the stained color of safranine was deep but not even, and color in fibrovascular tissue and peripheral cortex cell were deeper than that around fibrovascular tissue. wild type arabidopsis thaliana and two salt - tolerance mutants were used for rapd analysis

    當nacl濃度小於100mmol l時,根組織結構與對照未表現出明顯的差異;但當nacl濃度達到250mmol l時,根組織結構對番紅染料的著色較深而且不均勻,維管組織和外圍皮層細胞著色較深,而維管組織周圍的細胞著色較淺。
  12. Cluster analysis based on rapd showed that at 76 % similarity level, all tested isolated could be clusted into nine groups, i. e. 1 p. ostreatus and p. florida, ii p. ostreatm p. sapidus, p. spodoleucus and p. eryngii, iii p. colnmbinus, p. corlicalus, p. cornucopiae, p. nebrodensis and p. ferulae ; iv p. pulmonarius and p. sajor - caju, v three isolates with indefinite species, vi p. luber - regium, vii p. cilrinopileatus, viii p. djamor and p. salmoneoslramincus, ix p. abalonus and p. cysliodism. 4. a single uniform product 1. 46kb in size resulted from pcr amplification of the 5 " half of the 28s rrna gene for all isolates of pleurolus and the other three genera

    隨機擴增多態性dna的聚類分析表明,在76相似水平下,可將供試的側耳菌株聚成九大類,第一大類包括糙皮側耳、佛羅里達側耳;第二大類包括美味側耳、灰白側耳、剌芹側耳;第三大類包括哥倫比亞側耳、裂皮側耳、黃白側耳、阿魏蘑、白阿魏蘑;第四大類包括肺形側耳和鳳尾菇;第五大類為3株未定名的側耳;第六大類僅有具核側耳;第七大類為金頂側耳;第八大類包括紅平菇和桃紅側耳;第九大類包括鮑魚菇和囊蓋側耳。
  13. Analysis of genetic relationship of betula among species using rapd marker

    標記技術對樺樹種間親緣關系的分析
  14. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ) ,群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法( unweightedpair - groupmethodofari山m七tiome即s , upgma )聚類分析的結果表明,所分析的5個群體可被分為3個地理群系,從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。
  15. Therefore, issr molecular markers are more suited than rapd molecular markers when testing the genetic diversity of ginkgo populations and determining the genetic relationship of among populations or among individuals which are much similar hereditarily

    因此,在研究親緣關系非常近的銀杏物種的遺傳多樣性並試圖確定群體間或個體間的遺傳關系時, issr分子標記技術比rapd分子標記技術更為合適。
  16. Examination of chromsome number of the hybrids ri showed the sum of both parent chromsome besides aneuploid. the hydrid cell line ri was characterized by isoenzyme analyses, sds - page, rapd and opine synthetase assay

    雜種r _ 1細胞的染色體數檢查、冠癭堿檢測、同工酶分析,可溶性蛋白sds - page電泳和rapd分析結果,都證明了其雜種特性。
  17. Genetic diversity and phylogeny of 55 slow - growing rhizobia isolated from peanut ( arachis hypogaea ) in china were determined by analysis of host - plant range, phynotype, 16s rrna rflp, 16s rrna sequence, 16s - 23s igs rflp, rapd, rep - pcr, dna - dna hybridization homology. at the same time, the competitive nodulation capacity of rhizobia, effect of host plants and soil ph on the rhizobia were determined for screening and improvement of high effective rhizobium inoculant

    本研究採用宿主范圍試驗、表型性狀測定、 16srrna - rflp 、 16srrna序列分析、 16s - 23srdnaigsrflp分析、 rapd分析、 rep - pcr分析和dna - dna同源性分析等技術系統研究了從我國不同地域分離的55株花生根瘤菌的遺傳多樣性及其在根瘤菌系統發育中的地位和相互關系。
  18. As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion

    分析結果表明: ( 1 ) rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出率,帶魚的多態比例和遺傳多態度均較小帶魚的低; ( 2 )線粒體165出兇a基因序列在分析兩物種遺傳變異時表現出保守和變異的雙重特性,種內變異極小而種間較大: ( 3 ) 5個隨機引物擴增出種特異的ra衛d帶,可作為種間分子鑒定標記; ( 4 )研究證實帶魚和小帶魚是不同屬的兩個種,從而在分子水平上支持了nelson分類系統的觀點。
  19. In this study fourteen wild lespedeza germplasms were collected from beijing, shanxi and heilongjiang province in 2001 and 2002, and a nursary of these germplasms was established. genetic diversity of the lespedeza populations were studied at morphological. allozyme and rapd levels

    本研究以2001 - 2002年從北京、山西和黑龍江三個地區收集的14份野生胡枝子屬植物為材料,建立種質資源圃,從形態學標記、等位酶標記和rapd標記三個方面進行了胡枝子屬植物遺傳多樣性的研究。
  20. And l. mollis hemsl, a random amplified polymorphic dna ( rapd ) analysis was performed for the first time. the screening of 40 decamer oligonucleotides allowed the selection of 11 primers used for the analysis, the dna fingerprints of 10 samples were constituted and the genetics evidence was furnished. to study on the contents and chemical constituents of essential oil from leaves and fruits of different species of litsea lam, the chemical compositions were separated and identified by gc / ms

    為了評價山雞椒和毛葉木姜子的不同品種和品系,採用rapd技術,從40個引物中篩選出11個特徵引物,首次獲得山雞椒和毛葉木姜子以及它們的栽培品系的dna分子指紋圖譜,從分子水平上較全面地評價了各樣品間的親緣關系,從而為栽培品種的劃分提供了一定的遺傳學上的證據。
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