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新菌株     
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  new strain
     205 new strain (Psilocybe sp. )
     205新菌株(Psilocybe sp.)
短句来源
     The catalytic mechanism research of sulfide-oxidizing enzyme from sulfide-oxidizing new strain,Streptomyces LD048,shows that:①S~(2-) is oxidized firstly to S_2O~(2-)_3,then to SO~(2-)_3,lastly to end product SO~(2-)_4;
     对硫化物氧化新菌株链霉菌LD048硫化物氧化酶的催化机理研究表明:S2-在硫化物氧化酶的作用下首先被氧化为S2O32-,然后生成SO32-,最后产生末端产物SO42-;
短句来源
     Mutation and Selection of a new strain of Aspergillus niger HA608
     黑曲霉(Aspergillas niger)新菌株HA608的诱变及选育
短句来源
     The new strain J 3 of Agaricus blazei Murril was obtained by 60Co irradiation.
     采用60 Co辐射诱变技术 ,获得姬松茸新菌株J3 。
短句来源
     Antibiotic graminmycin is produced by streptomyces graminearus 105 N_1----a new strain from streptomyces graminearus. It is an agricultural antibiotic for preventing and controlling the scap of wheat(Gibborala Sanbinettii).
     禾粟霉素是由禾粟链霉菌的一个新菌株——禾粟链霉菌105N_1菌株(Streptomyces graminearus 105N_1)产生的防治麦类赤霉病的一种农用抗生素。
短句来源
更多       
  new strains
     ASP.oryzae.Cj990 new strains mutation and advance in compound leavenssoy sance
     ASP.oryzae.Cj990新菌株诱变与复曲酱油的研制 Ⅰ酱油生产菌株ASP.oryzae.Cj990诱变育种
短句来源
     Selection of New Strains of Rhizopus from Protoplast Culture4/8D 1. Formation and regeneration of protoplasts of Rhizopus formosaensis
     利用原生质体培养技术选育根霉新菌株1.根霉(Rhizopus formosaensis)Q303原生质体的形成和再生
短句来源
     Selection of New Strains of Rhizopus from Protoplast Culture2. Selection of new strains resistant to higher concentration of tannin
     利用原生质体培养技术选育根霉新菌株2.抗高浓度单宁根霉菌株的筛选
短句来源
     New strains of Lentinula edodes Cr-20 and Cr-62 were bred by direct crossing of monospore mycelium of the parent strain 7917 and the local strain L-21 through primary and secondary screening and production test without predetermination of the polarity.
     Cr-20、Cr-62是以引进香菇菌株7917和本地菌株L-21为亲本,采用不预先测定极性,由单孢菌丝直接杂交组合的方法,经初筛、复筛和生产性试验获得的香菇新菌株
短句来源
     Genomic DNA of three newly-selected strains of Hypsizigus marmoreus were amplified with 11 random primers using PCR. The DNA sequence polymorphism of different strains were analyzed by RAPD so as to confirm the genetic variation of the new strains of Hypsizigus marmoreus.
     用 11个随机引物对三株新选育的真姬菇菌株进行基因组DNA的PCR扩增 ,应用RAPD技术分析不同菌株的DNA序列多态性 ,从分子水平上验证真姬菇新菌株遗传基因间的差异
短句来源
更多       
  new isolate
     It was indicated that the biological efficiency of the new isolate of wild domesticationdrucstick mushroom-No. 1 Tangyan was 119 % ~ 153 %, its average was about 140 %.
     通过研究表明,野生驯化鸡腿蘑新菌株"唐研一号"的生物学效率为119%~153%,平均为140%左右。
短句来源
     PCR RFLP was used to detect the cry 1 type gene from Bt new isolate WB9 and its 5 genes, cry 1Aa, cry 1Ab, cry 1Cb, cry 1Fa and cry 1Ga were identified. However, the RFLP patterns of its cry 1Ab profile were different from the others.
     利用 PCR- RFLP技术对 Bt新菌株 WB9的 cry1基因型进行分析 ,结果表明该菌株含有 cry1Aa、cry1Ab、cry1Cb、cry1Fa和 cry1Ga 5种 cry1基因型 ,且 cry1Ab的酶切产物不同于正常的 cry1Ab.
短句来源
     Pathogenicity of a New Isolate of Phytophthora infestans from Beijing and Resistance Evaluation of Tomato Materials
     北京地区番茄晚疫病新菌株致病性鉴定及部分主栽品种与品系的抗性评价
短句来源
  new iso late
     It was indicated that the biological efficiency of the new isolate of wild domesticationdrucstick mushroom-No. 1 Tangyan was 119 % ~ 153 %, its average was about 140 %.
     通过研究表明,野生驯化鸡腿蘑新菌株"唐研一号"的生物学效率为119%~153%,平均为140%左右。
短句来源
     PCR RFLP was used to detect the cry 1 type gene from Bt new isolate WB9 and its 5 genes, cry 1Aa, cry 1Ab, cry 1Cb, cry 1Fa and cry 1Ga were identified. However, the RFLP patterns of its cry 1Ab profile were different from the others.
     利用 PCR- RFLP技术对 Bt新菌株 WB9的 cry1基因型进行分析 ,结果表明该菌株含有 cry1Aa、cry1Ab、cry1Cb、cry1Fa和 cry1Ga 5种 cry1基因型 ,且 cry1Ab的酶切产物不同于正常的 cry1Ab.
短句来源
     Pathogenicity of a New Isolate of Phytophthora infestans from Beijing and Resistance Evaluation of Tomato Materials
     北京地区番茄晚疫病新菌株致病性鉴定及部分主栽品种与品系的抗性评价
短句来源

 

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  new strain
A new strain of acid-tolerant facultative anaerobic cellulose-degrading bacteria Bacillus cytaseus 21 (Mc Bethe ef Scales, 1912), which are capable to fixing atmospheric nitrogen, was isolated.
      
Raoultella planticola, a new strain degrading 2,4,5-trichlorophenoxyacetic acid
      
A new strain that degrades the herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) was isolated from soil, which was exposed to factors related to the petrochemical industry.
      
A new strain producing extracellular laccase (Cerrena maxima 0275) was found by screening of isolates of Basidiomycetes, and the dynamics of laccase biosynthesis by this strain was studied.
      
Complete sequencing of potato virus X new strain genome and construction of viral vector for production of target proteins in pl
      
更多          
  new strains
A collection of actinomycin-producing Streptomycesstrains, their variants with different levels of antibiotic biosynthesis, and recombinant strains were screened in order to select new strains that produce polyketide antibiotics.
      
The results obtained indicate that the new strains show promise as bioindicators.
      
Studies of this problem are topical, in view of the need in identification and construction of new strains degrading xenobiotics, particularly those halogenated.
      
The study of 39 new strains of thermophilic streptococci in the present work allowed us to reveal the sixth DNA homology group.
      
New strains of Beijerinckia mobilis and Clostridium sp.
      
更多          
  new isolate
The new isolate was classified as a new species,Methylovorus mays sp.
      
The results of the study of the developmental cycle and of the cultural, morphological, physiological, and biochemical properties of the new isolate, strain KBP Y-3696, allow it to be assigned to a new species of the genus Leucosporidium.
      
This, together with DNA-DNA hybridization data, allowed the new isolate to be identified as a strain of the species Methanosarcina mazei.
      
The new isolate differed from the known representatives of this species in that it was resistant to alkylbenzene sulfonates and able to demethylate p-toluene sulfonate when grown on acetate.
      
The cells of the new isolate are vibrios (0.5-0.6 × 1.3-1.8 mm) with a polar stalk.
      
更多          
  其他


This paper describes the research on production in pilot plant scale of n-paraf-fin yeast in China in recent years.The species used is Candida tropicalis Y-17.Production scaleis 100 tons annually.The fermenter is a 6m~3 air-lift type with an internal or external draft tube.The process is a two-stage,aseptic continuous fermentation with part of the waste fermen-tation fluid recycled.Productivity is 2g/1.h.Content of crude protein of the yeast productafter extraction of nucleic acid and lipid is about 60%.Result...

This paper describes the research on production in pilot plant scale of n-paraf-fin yeast in China in recent years.The species used is Candida tropicalis Y-17.Production scaleis 100 tons annually.The fermenter is a 6m~3 air-lift type with an internal or external draft tube.The process is a two-stage,aseptic continuous fermentation with part of the waste fermen-tation fluid recycled.Productivity is 2g/1.h.Content of crude protein of the yeast productafter extraction of nucleic acid and lipid is about 60%.Result of analysis of aminoacid composition showed that it is well-balanced and rich in lysine.It is also rich in vitamin B and nico-tinamide.Contents of toxic substances such as benzo(a)pyrene,aromatic hydrocarbon,mercu-ry,lead and arsenic are below the PAG criteria. We have done a lot of animal tests,including nutritional tests,chronic toxicity tests andmulti-generation tests on rats,chickens and pigs.Some tests last for five years.They all showedthat the n-paraffin yeast has neither toxicity to the parent animals nor cumulative effect ontheir offsprings up to the fifth generation.The n-paraffin yeast is a nutritious and safe fodderfor farm animals. In order to reduce the cost of production of n-paraffin yeast,we have studied the use ofyeast by-product,such as nucleic acid and lipids.The nucleic acids can be used as a growthstimulant for crops.The crude lipid is a good catcher for the flotation of certain kinds of ores.It is also found to stimulate silk spinning of silk worms. Another high yield species of yeast is screened and selected.It is a new species belongingto the genus Torulopsis with a raised productivity of 2.8g/l-h.

本文叙述了近十年来我国对正烷烃酵母研究的进展。我们用的菌种是热带假丝酵母Y-17,本所实验厂的生产规模是年产一百吨酵母。发酵罐为6米~3的内或外循环空气提升式,两级连续发酵,50%废水循环利用。生产能力为2克/升·小时。酵母产品的化学分析,包括蛋白质、氨基酸、脂肪、核酸、维生素等,都证明该产品为一优良蛋白饲料。有毒物质含量(如苯骈(a)芘、重金属)符合国际标准。动物试验(包括用大白鼠、鸡、猪的营养试验,慢性毒性试验,传代试验)证明该正烷烃酵母为安全可靠的优良饲料。我们也研究了酵母的核酸和脂肪的综合利用、并筛选了一株高产新菌株球拟嗜烷烃酵母(新种)4B-2,使生产能力提高至2.8克/升·小时。

In ultra-thin section,the legionnaires' disease bacterium(LDB) was a blunt or tapering rod structure,2.8-13.6μm in length and 0.27-0.67μm in diameter.The variation in length depended on environment.Its surface showed a classical double-envelope and double-layer membrane,in which 2 kinds of features were revealed.One showed that highly condensed electronic granules were full within the membrane.They were electron-lucent fila- mentous nucleoides interposing among the areas of well-defined ribosomes.The other showed...

In ultra-thin section,the legionnaires' disease bacterium(LDB) was a blunt or tapering rod structure,2.8-13.6μm in length and 0.27-0.67μm in diameter.The variation in length depended on environment.Its surface showed a classical double-envelope and double-layer membrane,in which 2 kinds of features were revealed.One showed that highly condensed electronic granules were full within the membrane.They were electron-lucent fila- mentous nucleoides interposing among the areas of well-defined ribosomes.The other showed that the great part of LDB was va- cant,in which some broken or non-broken filamentous nucleol- des might be seen.The bacterium was clearly circumscribed. Electron-lucent vacuoles and division by pinching were frequen- tly seen.The LDB was clearly prokaryotie and had no eukaryotic structures such as mitochondria,endoplasmic reticulum,nuclear membranes and mitotic division.

本文报道用透射电镜观察军团病杆菌的超微结构,从菌体大小、表面形态到菌体内部的箍缩型分裂,双层单位膜包绕,空泡、核糖体、丝状类核体等超微结构。并描述了两种不同形态的结构:一为电子致密度高的细颗粒所充塞:另一为大部中空。两种形态均见箍缩型分裂。LDB 的超微结构对新菌株的鉴定有一定意义。

A parasporal crystal forming bacillus was isolated from the soil samples collected near the Niang Zi Guan,Shanxi province.This bacillus which has the tpyical characteristics of Bacillus thuriengiensis is named the no.BT—37.The feature in morphology and the insecticidal activity are discribed,the productivity and the effect on some insects in field are studied.Insecticidal bacillus BT—37 is suitable for industrial production.As a biological insecticide,it has some common feature as others:it is not toxicity to...

A parasporal crystal forming bacillus was isolated from the soil samples collected near the Niang Zi Guan,Shanxi province.This bacillus which has the tpyical characteristics of Bacillus thuriengiensis is named the no.BT—37.The feature in morphology and the insecticidal activity are discribed,the productivity and the effect on some insects in field are studied.Insecticidal bacillus BT—37 is suitable for industrial production.As a biological insecticide,it has some common feature as others:it is not toxicity to human and the natural enemies of pest insects;the insects will not produce resistance to it while it is used con- tinously;it does not change the colour and flavour of the vegetables and fluits upon which the insecticide is sprayed.Its effect on many lepidopterous lar- vae is better than any of the biological insecticides used in China.If associated with trace chemical insecticides,it will show more better results.

从山西省娘子关瀑布附近的土壤中分离到一株产晶体的芽孢杆菌,具有苏芸金杆菌(Bacillus thuringiensis)的典型特征,编号为 BT——37。该菌伴孢晶体呈园菱形、颗粒状等多种形态。一个芽孢产生一个大晶体的同时,往往又脱落一个或2~3个小晶体。室内生测表明,发酵液对蚁蚕半小时死亡率为82%,2小时达96~100%。稀释4800倍,24小时死亡率97%;对杨树毒蛾、菜青虫有较高毒力;对棉铃虫、粘虫也有一定毒杀作用;对孑孓无效,不影响草蛉幼虫的发育。是一种较有前途的防止鳞翅目害虫的新菌株。本文对 BT——37杀虫菌的生产性能作了考察,提出了以胞外蛋白酶活性作为选择高毒力发酵物培养基的生化参考指标。并对通过改变培养和生产条件以及使用方法提高工业菌剂的毒力,作了初步探索,取得了良好的田间效果。

 
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