rhizobia 中文意思是什麼

rhizobia 解釋
根瘤菌
  1. The colonization of rhizobia on the roots of legumes and nonlegumes has been well documented.

    豆科和非豆科植物根上瘤菌的群集現象曾被很好地證實過。
  2. 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。
  3. Legume rhizospheres stimulate more growth of rhizobia than do the rhizospheres of nonlegumes or soil apart from the roots.

    豆科植物的根際比非豆科植物的根際或離根土壤更能刺激根瘤菌的生長。
  4. The study was conducted to investigate and collect the rhizobia in pamirs plateau of china : the symbiotic resources with leguminous plants, and analyze the characteristics of their nodules and their resistances to adversities

    摘要對帕米爾高原進行了根瘤菌豆科植物共生資源的調查與收集，分析了根瘤的特徵和根瘤菌的抗逆性。
  5. Laboratory cultures of the rhizobia can fix only under special cultural conditions.

    實驗室培養的根瘤菌只有在特殊培養條件下才能固氮。
  6. Phenotypic diversity of rhizobia isolated from bayi town in linzht area

    林芝地區八一鎮根瘤菌的表型多樣性研究
  7. Biological characteristics of indigenous rhizobia from soybean in the north area

    北方地區大豆根瘤菌的生物學特性
  8. Effects of inoculated rhizobia and humic - acid fertilizer in soil on wind erosion

    接種根瘤菌和腐殖酸肥處理下的土壤風蝕效應分析
  9. This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  10. Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  11. At relatively higher similarities, strains tested from different area were further clustered which reflected the effect of geographical factor on rhizobia genetic diversity

    在較高的相似性水平上來自不同地域的菌株可進一步細分為不同的小群，並表明了地理因素對根瘤菌遺傳多樣性的影響。
  12. < uk > laboratory cultures of the rhizobia can fix only under special cultural conditions. < / uk >

    < uk >實驗室培養的根瘤菌只有在特殊培養條件下才能固氮。 < / uk >
  13. Were studied together with the reference strains of recognized rhizobium and bradyrhizobiwn species by performing polyphasic taxonomy, including numerical taxonomy, rep - pcr fingerprinting, 16s rdna pcr - rflp. the result show that : the growth rate of rhizobia isolated from the root nodules of pueraria spp. showed great diversity. ccbau41147 ccbau6110 k ccbau61096 and ccbau61095 were fast - growing strains, the single colony size was bigger than 1mm after 2 days incubated oq yma medium at 28 they can produce acid. the other strains were slow - growing strains, their single colony size was less than 1 mm after 7 days incubated on yma medium at 28. they can produce alkali

    本研究以從我國四川、河南、安徽和湖南等地分離的32株葛藤根瘤菌為研究對象，以20株已知種的根瘤菌為參比菌株，採用數值分類、 rep - pcr指紋分析、 16srdnapcr - rflp指紋分析等現代根瘤菌分類技術，初步研究了葛藤根瘤菌的生物多樣性和分類地位，結果表明：葛藤根瘤菌在生長速率上表現出多樣性，菌株ccbau41147 、 ccbau61096 、 ccbau61101和ccbau61095生長較快， yma培養基上28培養2 - 3天後，單個菌落直徑大於1mm ，具有產酸能力，是快生型葛藤根瘤菌；其餘待測葛藤根瘤菌生長較慢， yma培養基上28培養7天後，單個菌落直徑小於1mm ，具有產堿能力，是慢生型葛藤根瘤菌。
  14. The result of rflp analysis of pcr - amplified 16s rdna revealed that the rhizobia isolated from the root nodules of pueraria spp. had diversity at the level of species. the slow - growing rhizobia were divided into 7 groups on the similarity level of 90 %. group 1 included 4 new isolated strains and 2 representative strains of b. japonicum. group 2 included 1 type strain of b. elkanii and 3 new isolated strains

    16srdnapcr rflp分析結果也表明葛藤根瘤菌具有種水平多樣性，在90的相似性水平上，聚類圖把慢生根瘤菌分成7群，群1與bjponicum的模式菌株聚在一起，群二與belhanii的模式菌株聚在一起，而其它群是獨立的系統發育分支。
  15. The sds - page electropheresis of whole - cell proteins was applied in classification of 71 strains isolated from astragalus spp. it was showed that the technique is a simple and rapid method in classification of rhizobia. the similarity of strains in the same group is 78 %, and dna homology is above 70 %

    採用sds page技術對71株黃芪根瘤菌進行了全細胞蛋白的聚類分析.結果表明，這是進行根瘤菌分類時一種簡便快速的分群方法，分群的菌株相似性水平為78 ，群內菌株的dna同源性70
  16. The comparison of adsorbing with non - adsorbing rhizobia showed no remarkable difference in content of total cu in cinnamon soil, but adsorbing rhizobia decreased exc - cu and increased spe - cu and mno - cu markedly in cinnamon soil. this indicated adsorbing rhizobia reduced the mobility of cu in cinnamon soil. the total content of zn are 16. %

    褐土吸附根瘤菌后cu的吸持量沒有變化，但是可交換態cu含量顯著減少，專性吸附態、氧化錳結合態cu含量顯著增加。
  17. Results of phenotype test shown that all peanut isolates and reference strains of b. japonicum and b. elkanii were clustered into a group and differed from the other genus of fast - growing rhizobia in low similarity

    表型分析結果表明所有供試菌株與慢生參比菌株b . japonicum和b . elkanii聚為一群，而其它種屬的參比菌株聚為另一群，表明花生根瘤菌在屬的水平上應屬于bradyrhizobium屬。
  18. The paper discussed the change rule of meristematic nuclei and their relation with the intercellular rhizobia

    本文還討論了分生細胞核的變化規律及其與胞間根瘤菌存在的關系。
  19. Other groups were identical phylogenetic groups. to determine the exact taxonomic position and phylogenetic position of the rhizobia isolated from the root nodules of pueraria spp, the dna g + cmol % test, dna - dna hybridization and 16s rdna full sequence must be studied

    數值分類、 ypfcr分析、 16sn3napcr rflp分析對慢生葛藤根瘤菌的分群存在較大差異，說明葛藤根瘤菌內豐富的多樣性和分類地位的復雜性，要確定其確切分類地位和系統發育關系，要通過g cmol含量測定、 dna
  20. Combining the analysis of the conservative region of 16s rrna gene of prokaryote, such as e. coli, rhizobia and several frankia strains, we designed several sets of primers to amplify the 16s rrna gene of the frankia strains tested. through tentative experiments with these primers, we screened out primers uf / ur and ec27f / frl717r

    通過比較已發表的原核生物，如大腸桿菌、根瘤菌和弗蘭克氏菌的16srrna基因全序列的保守區，設計了8對引物並篩選出可適用於擴增13株供試菌株16srrna基因接近全長序列的引物： uf ur和ec27f fr1717r （產物大小約1500bp ） 。
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