生芽孢的 的英文怎麼說
中文拼音 [shēngyábāode]
生芽孢的
英文
sporogenic-
In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail
本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌,並對其抗菌活性物質細菌素進行分析,為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。Seed culture conditions of bacillus licheniformis ts - 01 were firstly investigated. the results showed that the optimal growth temperature was 40 c ; the suitable seed culture medium was beef extract soya peptone medium ; the optimal initial ph was 7. 5 ; the optimal seed culture time was 13h ~ 14h
首先對地衣芽孢桿菌ts - 01的種子培養條件進行了研究,得到的結果為:最適生長溫度為40 ;較適合的種子培養基為牛肉膏大豆蛋白腖培養基;最適初始ph值為7 . 5 ;種齡為13h 14h 。The cultural conditions such as temperature, fermentation period and the compound of medium are studied. the result of test show that suitable factors for both bacterium to grow and active substance to produce are 28, 200rpm and 72 hours. the bacterium is gotten through centrifuge with 8000rpm for 20min. then the bacteria is diluted and colophony named s - 8 is put into and used to absorbed active substance for 4 hours
對該菌株發酵條件的研究表明:該菌株用馬鈴薯葡萄糖液體培養基發酵培養, 28 , 200rpm搖瓶中振蕩培養72h可獲得高活性的發酵產物,用蘇雲金芽孢桿菌hd - 1做指示菌,將發酵液稀釋40倍生測仍可形成明顯的抑菌圈。Study on the conditions of bacillus thuringiensis fermentation in monosodium glutamate wastewater
利用味精廢水發酵生產蘇雲金芽孢桿菌的發酵條件研究The application and development prospect of several microbial preparations such as bacillus sp., photosynthesis bacteria, nitrobacteria, denitrify bacteria, yeasts and micro - algae which were applied on aquiculture were summarized
摘要簡述了芽孢桿菌、光合細菌、硝化細菌和反硝化細菌、酵母菌等幾種微生態制劑在水產養殖中的應用現狀及發展前景。Israelensis recombinants, which contained recombinants plasmid pmt4 and pmt9 respectively, were obtained by electroporation. the bioassay results showed that the recombinants b - pmt9 and b - pmt4 had toxicities both to resistant and susceptible c. quinqnefasciatus larvae during vegetative growth stage, having the lc ? o values similar to that of. fi. sssii - 1. however, the toxic levels of the final sporulated cultures of recombinants b - pmt4 and b - pmt9 differed, with a lcso value of 2 49mg / ml for b - pmt9 and little toxicity for b - pmt4 by using the plasmid pmt9, m txl gene from b. sphaericus was ligated with p20 and cytjaa gene, giving recombinant plasmid pmpx2
含有pmt9和pmt4的大腸桿菌轉化子能表達產生mtx1毒素,發酵液對敏感和抗性致倦庫蚊幼蟲具有中度毒殺作用;含有pmt9和pmt4的蘇雲金芽孢桿菌轉化子b - pmt9和b - pmt4在營養體生長階段對敏感蚊幼和抗性幼蟲也具有毒性,毒力與野生型b . sss - 1相當,而不同轉化子在芽孢形成期的毒力因插入的mtx1基因轉錄方向不同而表現出差異,其中b - pmt4對目標蚊幼毒力極低( lc _ ( 50 ) 10mg ml ) ,而b - pmt9對蚊幼蟲具有毒性( lc _ ( 50 ) = 2 . 49mg ml ) 。Any of various rod - shaped, spore - forming, aerobic bacteria of the genus bacillus that often occur in chains and include bacillus anthracis, the causative agent of anthrax
芽孢桿菌一種桿狀,孢子型的好氧型細菌芽孢桿菌屬,經常成串地產生,包括芽孢桿菌蒽屬,它會引起炭疽病。Study on its physiologic and biochemical analysis proved that it is a bacillus licheniformis
對菌株的個體形態、生理生化特點進行了分類研究,初步鑒定為地衣芽孢桿菌( bacilluslicheniformis ) 。Experimental results indicated that there really were biosurfactant - producing bacteria and bacillus subtilis were the dominant biosurfactant - producing bacteria during composting
實驗結果表明,堆肥過程中的確存在產生物表面活性劑的細菌,枯草芽孢桿菌是其主要菌之一。The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %
本研究分離出的6株菌,初步鑒定結果為: sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬;實驗結果表明, 6菌株的最佳氮源為氯化銨( nh _ 4cl ) ,最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物,最適生長條件為:溫度為30 ,初始ph值為7 8 ,搖床轉速為180r min ,鹽( nacl )濃度為1 ;通過降解實驗得出6株菌對原油都有較強的降解能力,單一菌株在5天後的原油降解率都高於60 , 6株菌對原油的生物降解反應符合一級反應動力學特徵。It is studied that the activity against eumycetes of the fermentation filtrate ( 16h ) of strain jw - 725 is the strongest. the optimum nutritional sources are wheat bran and soya bean meal. the fermentation filtrate reserved under 4 still has bioactivity after 20 days or so, but its bioactivity decreases much while being treated under high temperature. the ph of fermentation filtrate has much influence upon the bioactive substance, and it remains activity at the range of 5
發酵液在4下保存20天左右仍有抗菌活性;但經高溫處理后,其抗菌活性降低很多; ph對抑菌物質的生物活性影響比較大,抑菌物質保持活性的ph范圍是5 . 0 7 . 0 。分離到的多粘芽孢桿菌( b polymyxajw - 725 )對柑橘青黴菌( pA bacterium named paneibacillus polymyxa is screened from soil sample of mountain tai. it secrets a large amounts of active substance which can inhibit against several plant and animal diseases , such as candiada albicans 、 aspergillus flavus link and nomuraea rileyi farlow. the determination show that it is a strain of paenibacillus polymyxa through measuring its g + cmol % and the sequences of bases of 16srrna
通過對該菌株進行形態觀察、生理生化實驗、 g + cmol %測定和16srrna堿基序列測定,鑒定該菌株為類芽孢桿菌屬中的一株新的多粘類芽孢桿菌,定名為paenibacilluspolymyxacp _ s316 ,編碼其16srrna的基因為一新基因,已經提交genebank注冊,注冊號為ay292989 ( 2003年6月4日) 。The percentage of autumn degradation bacteria was the biggest, it was 0. 547 %. among degradation bacteria genus, the bacillus proportion in each season was the biggest, that was 44. 44 %, 50. 00 %, 48. 15 % and 47. 22 % in spring, summer, autumn and winter respectively, other bacteria genus ' s proportion were less than bacillus. this was probably related to the basic proterties of soil, the alternation of four seasons, the change of temprature and the difference of vegetation were fairly suitable to the growth of bacillus
在土壤細菌總數上,夏季的細菌數量最多,其次分別為春、秋、冬各季;在土壤中降解氧樂果的細菌數量上,夏季土壤中的降解菌株數量也最多,其次分別為春、秋、冬各季,土壤磷的含量與降解氧樂果細菌的數量之間並沒有太大的相關性( r = 0 . 494 ) ;在降解菌占細菌總數百分比上,秋季降解菌株所佔百分比最大,為0 . 547 % ;在降解菌株中,芽孢桿菌屬( bacillus )在每一季節所佔的比例都是最大的,春、夏、秋、冬分別為44 . 44 % 、 50 . 00 % 、 48 . 15 % 、 47 . 22 % ,其它菌屬所佔比例都比較少,這可能跟土壤的基本性狀有關,春夏秋冬四季的輪換,氣溫的變化,植被的差異,耕作的不同,比較適合抗逆性較強的芽孢桿菌屬( bacillus )的生長。Culture supernatants of bt strains induced luminescence in v. harveyi reporter strain bb170, which can only response to ai - 2 signal moleculars, indicating that the bt strains have the luxs gene. by aligning the nucleotide sequences of the b. anthracis and b. cereus luxs genes, a pair of primers were designed and an 474 - bp fragment was amplified from bt strains by pcr
首先通過生物發光實驗檢測到蘇雲金芽孢桿菌( bacillusthuringiensis , bt )的培養液可以誘導特異性檢測ai - 2信號分子的哈氏弧菌報告菌株bb170發光,表明bt中含有群體感應信號分子ai - 2的合成基因luxs 。Progress of the study on bacillus thuringiensis as biopesticides
生物農藥蘇雲金芽孢桿菌的研究進展Contrary to its close cousin, perfringens which is strictly anaerobic, septicum is relatively more aerotolerant and thus can survive much longer as spores in normal and consequently can infect healthy tissues
不同產氣莢膜桿菌,另一種嚴格厭氧的類似致病菌,梭狀芽孢桿菌可一定程度耐氧,可以像芽孢一樣長期生存並可進一步感染健康組織。The result shows that red kojic rice could enhance the stability of vinegar against light and oxygen, produce more enzymes to improve the sensory properties of product, and inhibit the growth of clostridium botulinum
結果表明,紅曲能提高食醋對光和氧的穩定,能產生多種酶類使食醋口感柔和,香味濃郁,色澤紅潤,並能抑制肉毒梭狀芽孢桿菌生長。Bacillus pumilus un - 31 - c - 42 was obtained by mutations of strain ba ( 06 ), which is an alkaline protease producer and separated from life waste in chengdu
短小芽孢桿菌( bacilluspumilus ) un - 42 - c - 31是一株從成都市生活垃圾中分離,經過多次反復誘變后得到的堿性蛋白酶產生菌。High performance ion exchange chromatography was applied in studying qualitatively and quantitatively of bacteria, which was shown as follows : firstly, physio - biochemical characteristics of bacteria was investigated by ion exchange chromatography. for the first time spores and nutrient of bacillus pumilus had been separated successfully by chromatography. chromatographial behaviors of bacteria at different cultivating environment and different growth phase were also studied
本文利用高效液相離子交換色譜系統研究細菌學,探討了該方法在細菌定性、定量方面的應用,主要包括三個方面:首先,利用離子交換色譜系統表徵細菌生理、生態方面的變化,首次成功地在色譜上區分了短小芽孢桿菌的芽孢及營養體;考察了不同的培養環境對細菌色譜行為的影響及不同生長階段的細菌的色譜行為。Ecological study of bacillus in sediments of marine - cultural pond
養殖場底泥中芽孢桿菌屬細菌的生態學研究分享友人