植物堿基 的英文怎麼說
中文拼音 [zhíwùjiǎnjī]
植物堿基
英文
alkaloid- 植 : Ⅰ動詞1. (栽種) plant; grow; cultivate 2. (樹立) establish; set up Ⅱ名詞(姓氏) a surname
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 堿 : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
- 植物 : plant; flora; botany; stray; greenery; phyton; phytum; phyta; phyt ; phyto ; phyte : 草本植物 her...
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Members of the purine group include adenine and guanine, which are constituents of the nucleic acids, and certain plant alkaloids, e. g. caffeine and theobromine
嘌呤基的成員包括腺嘌呤和鳥嘌呤,它們是核酸以及某些植物生物堿的成分,如咖啡因和可可堿。Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents
摘要松節油衍生物格萜烯基丙酮,如香葉基丙酮、金合歡基丙酮和植物酮在常壓條件,堿金屬氫氧化物和有機溶劑存在下可發生乙炔化反應,形成對應的, -不飽和炔醇化合物脫氫橙花叔醇、脫氫香葉基芳樟醇和脫氫異植物醇。According to the chemical characteristics of organophosphorus pesticide and the principle of organophosphorus pesticide inhibit plants cholinesterase activity, based on determined enzymatic reaction conditions, the separation effect of different developing agent system on 11 organophosphorus pesticides by the means of thin - layer chromatography were researched, followed 10 qualitative analysis methods of organophosphorus pesticide residues were established
摘要根據有機磷農藥化學特性及其對植物膽堿酯酶抑制的原理,在確定酶促反應條件的基礎上,考察了不同展開體系對11種有機磷農藥的薄層層析分離效果,建立了10種有機磷農藥殘留的定性分析方法。Two complete squence primers were designed based on the result of race. a 1475bp sequence was amplified by pcr. the analysis of the product shows that the nucleotide and deduced amino acid sequences share 40 % - 60 % homologous to the corresponding parts of - glc gene family of pinus contorta, cucurbita pepo, arabidopsis thaliana by the blast _ w program comparison
經blast搜索表明:克隆所得堿基序列和推導的氨基酸序列與已克隆出的小松樹、西葫蘆擬南芥等植物體內-葡萄糖苷酶基因的cdna相應序列有40 ? 60的同源性,因此我們推斷擴增所得到的序列為茶樹中-葡萄糖苷酶基因的cdna 。Ssmapkk transformations were screened on media with kanamycin ( 30mg / l ). nineteen individual kanamycin resistant plants were obtained. t2 plants were checked for integration of foreign gene by counting ratio of the number of tolerant plants to the number of non - tolerant plants on selection medium with kanamycin ( 30mg / l )
將ssvp和ssmapkk的全長cdna分別克隆入植物表達載體pcambia1300和prok中,導入根瘤農桿菌gv3101后,由花浸泡法進行擬南芥遺傳轉化,轉化ssvp鹽地堿蓬ssop和ssmapkk基因的克隆與功能鑒定的擬南芥在含潮黴素( 25mg )的ms培養基上篩選,獲得t ;代轉基因植株。Niche and genetic differentiation of several desert plants were detected to analyze the relationship between niches and genetic diversity of desert plants, test niche breadth variation hypothesis, and probe the reasons for haloxylon ammodendron endangering. in this paper, the study on plant community species diversity and genetic diversity in the region will provide scientific theory basis for conquering desert
從物種多樣性和遺傳多樣性兩個層次上,闡明了荒漠地區的生物多樣性特徵;在分析幾種荒漠植物(堿蓬、叉毛蓬和梭梭)遺傳變異和生態位的基礎上,探討荒漠植物種的生態位與遺傳多樣性的關系,驗證關于生態環境與遺傳變異的生態位寬度變異假說。The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans
結果表明:垂穗披堿草等對土壤通透性和資源空間要求較高的物種,競爭力隨劃破強度的增加而上升,而對土壤通透性和資源空間要求相對較低的物種則相反;輕度劃破干擾對提高物種豐富度具有一定的促進作用,但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢;劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升,莎草類和雜類草組分隨干擾強度的增加而顯著下降;劃破干擾對草地初級生產力的提升具有顯著的促進作用,且可顯著增加植物總量中優質牧草的比重;劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施,在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。The chloroplast shsp gene was screened from the cdna library of tomato flower by pcr strategy and confirmed by sequencing. but difference was found at 3 bases of the sequence from the reported in genbank. then, an integrated vector prok ii of the chloroplast shsp gene and nptii gene ( a kanamycin resistant gene ) with camv35s promoter was constructed and introduced into tomato mediated by agrobacterium tumefaciens lba4404. transgenic tomato were screened by their ability of growing on media containing kanamycin
本實驗採用pcr方法從番茄花cdna文庫中克隆到葉綠體shsp基因,經測序證實與genbank中已發表的序列在編碼區相差2個堿基,其中一個堿基導致1個氨基酸的改變。將葉綠體shsp基因定向克隆于帶有組成性表達啟動子camv35s的植物表達載體prok中,凍融法轉化農桿菌lba4404 ,利用葉圓盤法對番茄進行ti質粒介導的遺傳轉化。It suggests that on the basis of further understanding the mechanism for glycinebetaine to improve plant salt resistance, the transformation of the genes relating to glycinebetaine biosynthesis should be carried out in major crops so that new plant varieties resistant to salt can be obtained
提出在進一步弄清甜菜堿提高植物抗鹽性作用機理的基礎上,應在重要作物中開展甜菜堿合成相關基因的導入,以期獲得耐鹽植物新品種。The paper systematically discusses the mechanism for glycinebetaine to improve plant salt resistance and its research advances in genetic engineering at home and abroad as well as summarizing the research progresses about the key enzymes and their genetic engineering in glycinebetaine biosynthesis. it suggests that on the basis of further understanding the mechanism for glycinebetaine to improve plant salt resistance, the transformation of the genes relating to glycinebetaine biosynthesis should be carried out in major crops so that new plant varieties resistant to salt can be obtained
系統地討論了甜菜堿在提高植物抗鹽性中的作用機理及其國內外研究進展,並對甜菜堿生物合成過程中關鍵酶及其遺傳工程的研究進展進行了綜述.提出在進一步弄清甜菜堿提高植物抗鹽性作用機理的基礎上,應在重要作物中開展甜菜堿合成相關基因的導入,以期獲得耐鹽植物新品種In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil
為了進一步提高四倍體刺槐的耐鹽性和抗旱性,進一步擴大其適宜種植的生態范圍,充分發揮其固氮、改良土壤的特性,在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢,本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。The innovations of this novel vegetable - gum drilling fluid started with the investigations of vegetable - gums, synthetic high polymers, base modifiers, and coupling agents. through laboratory tests, we make sure that the constituents of this drilling fluid, named kl vegetable - gum drilling fluid by us, should consist of kl gum, hyper - php ( h - php ), and naoh, and by means of mathematical orthogonal tests, we got its optical compositions, and carried out laboratory tests regarding its behaviours
同時,為確定新型植物膠沖洗液的配方和組分,我們還對植物膠、合成高分子聚合物、改性處理劑進行了廣泛的調研,並通過室內試驗進行優選,最終確定新型植物膠沖洗液為苦藶豆膠沖洗液,基本三組分為:苦藶豆膠( kl ) 、超級水解聚丙烯酰胺( h - php )和燒堿( naoh ) ;進而,通過正交試驗確定該沖洗液優化配方,並進行相應的性能評價。Cluxtalx analysis indicated that the v - h + - atpase b, h and c subunits from halophyte s. salsa had high amino acid sequence identity with subunits from mesembryanthemum crystallinum, which is an inducible cam species as its growth rate is maximal at moderate salt concentrations. sequence alignment results suggested that the evolutions of v - h + - atpase subunits b, h and c were involved in environmental adaptation and these subunits of v - h + - atpase might have an important role in responses of plants to salt stress
Clustalx分析表明鹽地堿蓬液泡膜h ~ + - atpaseb 、 h 、 c亞基氨基酸序列與來源於兼性cam植物冰葉日中花液泡膜h ~ + - atpase的相應亞基具有最高的序列一致性,表明植物液泡膜h ~ + - atpaseb 、 h 、 c亞基的進化可能與環境刺激有關並且可能參與了植物對鹽脅迫的響應。At present, plenty of studies on seabuckthorn fruit by many scientific research institutes in the world have proved that the fruit contains trace elements and substances favorable to human body, including many kinds of vitamins and trace elements, unsaturated fatty acids and amino acids, flavonoids, triterpenoids, alkaloids etc, and the species have totaled 190, which are rare in the plant kingdom, especially seabuckthorn oil, extracted from seabuckthorn seeds, is a kind of natural plant product
目前世界許多國家科研機構對沙棘果的大量研究證明:果中含有對人體有利的微量元素和活性物質,包括多種維生素和微量元素,不飽和脂肪酸和氨基酸,黃酮,三帖和生物堿等190多種,在植物界實屬罕見,特別是從沙棘籽中提取的沙棘油,是一類天然植物產品。Based on the practical experience in the past two decades it is clear that the breeding of salt, drought and cold tolerant crop varieties by cloning the controlling genes is the ultimate, most economical and most reliable measure for utilizing salted soil
二十多年來的鹽堿地改造和農作物耐鹽育種的實踐證明,開發耐旱、耐寒、耐鹽漬基因,培育出高度耐旱、耐寒、耐鹽漬的植物品種是開發利用鹽漬化土地的最根本、最經濟和最穩妥的途徑。They occur mainly in the poppy family, the buttercup family, and the nightshade family of plants
這些含生物堿植物基本屬于罌粟科,毛茛科和茄科植物。The cdna of subunit b was 1470 nucleotides long coding for 489 amino acids with a conservative atp binding site " 324 - sgsit - 328 " and a predicted molecular mass of 54. 29 kda. amino acid sequence alignment analysis suggested that the v - h + - atpase b subunit of s. salsa had high homology with other reported v - h + - atpase subunit b. the h + - atpase subunit h from s. salsa was a hydrophilic protein with 465 amino acids and a predicted molecular mass of 52. 8 kda, which was encoded by a cdna with 1398 nucleotides in orf. blast analysis indicated that the h + - atpase subunit h from s. salsa had a high amino acid sequence identity with those coming from plants, but had relatively low sequence identity with those coming from other species
鹽地堿蓬液泡膜h ~ + - atpaseb亞基是由1470個核苷酸編碼的長達489個氨基酸的多肽,分子量約54 . 29kda ,存在保守的atp結合序列「 324 - sgsit - 328 」 ,與其他物種來源的v - h ~ + - atpaseb亞基具有較高的氨基酸序列相似性; h亞基為親水多肽,開放閱讀框長達1398 - bp ,編碼465個氨基酸殘基,分子量約52 . 8kda ,與植物來源的液泡膜h ~ + - atpaseh亞基具有較高的氨基酸序列相似性,而與其他物種來源的v - h ~ + - atpaseh亞基同源性較低; c亞基開放閱讀框為495 - bp ,編碼164個氨基酸殘基,分子量約16 . 6kda ,為一跨膜多肽,存在四個可能的跨膜區。Many scientists have introduced badh gene to plants and got transgenic plants which overexpressed badh, but the accumulations of glybetaine are too low to function effectively
許多研究者已得到了轉badh基因植物,雖然轉基因植物中badh的表達量提高,但是甘氨酸甜菜堿的積累濃度並不高。Suaeda liaotungensis kitag is a halophyte with high salt tolerance ability. this research performed a systemic study on betaine, betaine synthetase and the genes encoding betaine synthetase in suaeda liaotungensis
遼寧堿蓬( suaedaliaotungensiskitag )是一種耐鹽性很強的鹽生植物,本文對其甜菜堿、甜菜堿合成酶、甜菜堿合成酶基因進行了較為系統的研究。A causal diagnosis is conducted on the yellows of machilus thunbergii by means of the soil - plant chemical analysis, enzyme diagnosis, and field experiments, which grow in the saline - alkali soil at zhujiajian nursery stock base
摘要採用土壤植物化學分析、酶學診斷和田間試驗對舟山市朱家尖苗木基地鹽堿地土壤紅楠黃化成因進行了研究。分享友人