木質酶 的英文怎麼說
中文拼音 [mùzhí]
木質酶
英文
hadromase-
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The microorganism which produce ethanol from lignocellulose must be able to dissimilate both five - carbon and six - carbon sugars and consist of the pdc and adh ii which are key enzymes in ethanol formation. regretfully, no naturally occurring organism can efficiently1 produce ethanol from all monosaccharides
要從木質纖維素生成乙醇,所利用的微生物必須能同化所有的戊糖、已糖成分,而且含有生成乙醇的關鍵酶:丙酮酸脫羧酶( pdc )和乙醇脫氫酶( adh ) 。The peak times of amylase, cmc enzyme, cellulose, laccase, guaiacol oxidase and polyphenol oxidase were the 10th day, the 12th day, the 12th day, the 14th day, the 16th day and the 16th day respectively. it indicated that phellinus igniarius has the capability of discomposing amylum, cellulose and lignose
澱粉酶、 cmc酶、纖維素酶、漆酶、愈創木酚氧化酶、多酚氧化酶的活性高峰分別出現在第10d 、第12d 、第12d 、第14d 、第16d 、第16d ,說明桑黃對澱粉類物質、纖維素類、木質素類物質均具有降解能力。Apart from these, the factors involved with the enzymic properties of the immobilized papain were studied in comparison with freely soluble papain
此外,考察了影響固定化木瓜蛋白酶酶學性質的因素,並與游離酶進行了比較。The study and design of a self - moving grain reaping machine 4l3a
木瓜凝乳蛋白酶的酶學性質研究The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。Decomposition of pinus massoniana needle driven by deuteromycetes dynamics of lignocellulolytic enzymes
木質纖維素酶的活性動力學Many studies have shown that lignin was the limited factor of straw degradation. in this study we screened a strain named b3 from the stem ' s inner bark of bischofia polycarpam airy shaw which yielded high level of ligninase. the strain b3 ' s ability in straw degradation and its effect on the next season crop ' s growth were then studied by making it into microbial agent in the potted experiment
鑒於此,本論文即從篩選高產木質素酶的菌株入手,結果從重陽木莖內皮中篩選到一株有較高漆酶(木質素酶之一)活性的菌株b3 ,並將其製成秸稈降解劑,模擬大田試驗研究了它對秸稈的降解效果及對后季作物生長的影響。Calli were induced from internode segments of the methionine resistant plantlets of astragalus melilotoides. the highest yield of protoplasts ( 2. 1 x 106 / g f. wt. ) was obtained from 8 - day - old friable calli after subcultured on fresh medium
用草木樨狀黃芪甲硫氨酸抗性變異系植株莖切段誘導的松軟愈傷組織為材料,通過酶法分離出大量有活力的原生質體。Properties of xylanase immobilized on polymer eudragit l
100固定球毛殼黴菌木聚糖酶酶學性質的研究According to the properties of litter substrate, the enzymes are classified into cellulolytic enzymes, ligninolytic enzymes, proteolytic enzymes and phosphatase
根據森林凋落物底物性質的不同,將凋落物分解酶分為纖維素分解酶類、木質素分解酶類、蛋白水解酶類和磷酸酶類。Lignin degradation mechanisms of ligninolytic enzyme system, manganese peroxidase, laccase and lignin peroxidase, produced by wood white rot fungi
漆酶和木質素過氧化物酶催化分解木質素的機制Effect of medium components on enzyme production and characterization of anaerobic fungal crude enzymes were also investigated. this thesis was described in the following three sections. in the first section, twelve anaerobic fungal strains isolated from rumen and faeces of ruminants were screened for xylanase and cmcase production
本研究從黑白花種公牛、水牛、山羊糞樣及山羊瘤胃內容物中分離到12株厭氧真菌,並對其進行了產高活性羧甲基纖維素酶和木聚糖酶菌株的篩選,同時還就培養基主要組分對厭氧真菌產酶的影響和厭氧真菌的粗酶性質進行了研究。Purification and characteristics of celluloses from trichoderma aureoviride
黃綠木霉纖維素酶提純及其性質研究Honokiol, as a major active constituent extracted from the bark of magnolia officianlis, can inhibit tumor growth through cytotoxic activity, inducing differentiation and apoptosis, inhibiting vessles, synthesis of enzyme, dna, rna and ( or ) protein
和厚樸酚作為木蘭科植物厚樸的主要活性成分,通過細胞毒作用,抑制新生血管,誘導細胞分化,誘導細胞凋亡,抑制酶的合成以及抑制dna , rna和(或)蛋白質的合成等機制發揮了抗腫瘤的作用。Effects of gibberellin3 on leaf lignin levels related enzymes and flower form ation in bayberry
3對楊梅葉片木質素水平及其相關酶活性和成花的影響The pretreating methods, the enzymatic hydrolysis of cellulose and hemicellulose, the breeding of effective strains for fermentation, and the development of the preparation technology for ligncellulose are mainly introduced
重點介紹了木質纖維素轉化為乙醇的原料預處理方法、纖維素和半纖維素的酶法降解、有效可靠的發酵菌種的選育及木質纖維素乙醇制備工藝的開發。In this study, 29 strains from 3 auricularia species were chosen for genetic identification and genetic diversity assessment by using methods such as morphological taxonomy, isozyme techniques, rapd analysis, eric - pcr and its - rflp
本研究以木耳屬3個種29個菌株為供試材料,通過形態學分類法、同工酶技術、 rapd方法、 eric - pcr以及its - rflp技術,對木耳屬種質資源進行遺傳鑒定和遺傳多樣性評價,結論如下: 1The nucleic acids sequence and amino acids sequence of xynbi were homologously analysed with the sequences coding for xylanases published in genebank. the result indicated that xynb ] was the highest similarity to the gene xyli from sm ptomyces sp. strain s38, up to 86 %
將所測出的基因xynb1的成熟蛋白部分核苷酸序列與genebank上的木聚糖酶基因序列進行同源比較,最高同源性為86 ,氨基酸序列最高同源性也為86 ,並且與之同源性最高的基因所表達的酶酶學性質與xynb酶學性質有較大差異。分享友人