The mutants were further screened through repeated fermentations as well as the measurement of their physical properties. The results showed that some major fermentation indexes of strain HJ1615-d4 such as alcoholicity, fermenting power,total acids and flavoring components etc. were almost the same as those of the original strain. However, its urea yield was only 15.41 mg/L, louer 50 % than that of the original strain.

對這4株突變株進行發(fā)酵栓實驗，并測定其發(fā)酵綜合性能久久精品国产亚洲av麻豆长发，其中菌株HJ1615-d4在發(fā)酵力久久精品视频在线、總酸、酒精度以及風(fēng)味物質(zhì)等綜合指標(biāo)方面保持了親株的優(yōu)良性狀黄页网址在线，同時產(chǎn)尿素的量為15.41 mg/L5人人干人人操53，低于出發(fā)菌株產(chǎn)尿素量50 %以上。

In a commercial nursery using the peat moss-plug system, these three strains also showed their ability to promote seedling growth following either seed bacterization or peat moss drenching, and their populations in peat moss maintained at high levels (except strain RS65 for 30 min seed soaking ) within 21 days after seeding. The above 14 strains that were capable of promoting tomato growth were tested for their ability to control bacterial wilt of tomato.

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Among these,there were 432 strains of Gram positive coccus,accounting for 21.7%;445 strains of Enterobacteriaceae,accounting for 22.4%;621 strains of Non-ferment bacillus,for 31.2%;488 fungus,making up 24.5%.

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The columna soil study showed that strain NBT had the ablity of potassiumuptake ,making losed potassium from the soil inoculated with the bacterium wasdecreased by

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It was seen that strain 6055 generated three kinds of dextransucrases whose molecular weights were 151 kDa,142kDa and 117kDa,respectively.Among them,the former two ones were found both in supematants and cell wall,while the later was only found in the fermentation liquor.Strain DM 1-2 synthesized two kinds of dextransucrases,and their molecular weights were 183kDa and 142kDa,respectively.The former existed both in cell wall and out of cell,but the later only was located on cell surface.Strain PC 13 produced three kinds of dextransucrases,and their molecular weights were 148kDa, 138kDa and 115kDa,respectively.The former two ones were ectoenzyme while the later was linked to cell.Resembled to strain 6055,strain L4 produced two types of dextransucrases coexisting in supernatants and cell wall with molecular weights of 145 kDa and 136kDa,respectively,but the dextransucrase of 115kDa was only found in free-cells supernatants.

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According to their individual shapes, they are Gram positive, catenulate rod-shaped bacteria that can produce elliptical endospore in the middle position. These characteristics are similar to Bacillus cereus' described in Bergey's Manual of Systematic Bacteriology. And the colony States, physiological and biochemical characteristics of the two strains also accord with Bacillus cereus', which suggests that they might be identified as Bacillus cereus.

通過菌株的個體形態(tài)觀察草民网理论片看一天717影院，發(fā)現(xiàn)這兩株菌是可以在細胞中間產(chǎn)生不膨脹的橢圓形芽孢的革蘭氏陽性桿菌国产亚洲欧美日韩在线观看不卡，且相互成鏈，這與伯杰氏手冊中對蠟狀芽孢桿菌的描述相似两个黄片毛片，另外對這兩株菌的培養(yǎng)特征人人操,人人揉,人人看、生理生化特征的研究，也表明這兩株菌符合蠟狀芽孢桿菌的特性久久思思热亚洲免费视频，故初步鑒定這兩株菌為蠟狀芽孢桿菌在线观看中文字幕2020。

Interestedly, the clinical diagnosis of this isolate was from a patient with menigoencephalitis. The new strains of the influenza B virus which were isolated in VGH-Taipei, during 1999 winter to 2001 spring were then used for further analysis.

此株病毒株是由一位患有腦膜腦炎的病童所分離到的，這株B/Taiwan/3143/97在HA基因的演化分析中遠獨立於當(dāng)時其他的病毒株（B/Taiwan/21706/97）www..com五月激情；且其在核酸及胺基酸序列上與其他的分離株比較也有很大的不同国厂熟女a乱又伦。

Methods Peritoneal macrophages of guinea pigs were infected in vitro by three different Leptospira strains, the virulent Leptospira interrogans serovar Lai type strain Lai, the avirulent L. interrogans serovar Lai type strain IPAV, and the nonpathogenic L. biflexa serovar Patoc type strain PatocⅠ, respectively, and heat inactivated Staphylococcus epidermidis was added 0.5, 1.5, 3 and 6 h after infection and incubated for 30 min. The effect of Leptospira on the phagocytosis of macrophage was evaluated by the inactivated Staphylococcus epidermidis phagocytosis rate and phagocytosis index. Phagocytosis and ultrastructure of peritoneal macrophages were observed by transmission electron microscopy 3 h after infection, and changes of cytoskeleton of the macrophages were observed by laser scanning confocal microscopy.

用三種不同毒力的鉤體（致病性問號鉤端螺旋體賴型有毒株Lai株、賴型無毒株IPAV株以及非致病性雙曲鉤端螺旋體Patoc型PatocⅠ株）分別感染體外培養(yǎng)的豚鼠腹腔巨噬細胞免费黄色电影一级，并分別于感染后0.5三级片在线免费、1.5、3和6 h加入熱滅活表皮葡萄球菌孵育30 min超乳爆乳在线观看免费，通過計算巨噬細胞對滅活表皮葡萄球菌的吞噬率和吞噬指數(shù)欧美激情视频91，檢測鉤體對巨噬細胞吞噬功能的影響；感染后3 h透射電鏡觀察巨噬細胞對鉤體的吞噬机机干免费在线视频、降解和細胞超微結(jié)構(gòu)的變化91视频官方；用激光共聚焦顯微鏡觀察細胞對鉤體的吞噬和巨噬細胞細胞骨架的變化。

The two can cause ultrastructural pathogenesis widely in many organs and tissues such as hepar, pancreas, lien, ren, pulmo, cerebral, cerebellum, cor, muscular and so on, of them ,caused by i~olates YG97 and Y98 more obvious in epithelial cells of digestive tract and unobvious in epithelial cells of respiratory tract ,but ultrastructural pathogenesis caused by NDV strain F48E8 ,more obvious and more serious in glandularis and muscularis ventriaculi and in epithelial cells of respiratory tract .

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The VVA0326- mutant carrying a deletion of the GGDEF domain displayed smaller colony morphology on LB plate while compared to the wild type. No difference in colony forming units was found indicating that growth rate is not likely a major factor to confer the phenotype of small colony. In addition, VVA0326- appeared to swim better than wild type bacteria on the swimming plate. VVA0326- grew better, while VVA0328- mutant, which carried a deletion of the EAL domain, grew worse than wild type when the bacteria were cultured on CAS plate at 30°C. This implied that changes in surface structures of the mutants affected the bacterial susceptibilities to HDTMA contained in CAS plate.

缺損了包含一個GGDEF功能區(qū)域的突變株 VVA0326-，培養(yǎng)在LB的洋菜膠上无码三级在线中文字幕，呈現(xiàn)出較小的生長菌落，在測定單位菌落數(shù)的結(jié)果發(fā)現(xiàn)黄片欧美性爱，VVA0326-在生長速度上美日韩制服中文字幕视频，相較於野生株并沒有不同，因此我們推論生長速率并不是造成菌落變小的主要因子亚洲国模私拍人体GOGO图片，除此之外毛片无码大全免费，VVA0326-在游泳的分析培養(yǎng)皿中游的比野生株快，在CAS的分析培養(yǎng)皿上A片免费看视频，與野生株比較www.xx日本黄色视频.com，VVA0326-有比較好的生長狀態(tài)，而缺損了包含一個EAL功能區(qū)域的突變株VVA0328-国产一级a片精品久久，卻有被抑制生長的現(xiàn)象日韩欧美女自拍图片大全集高清视频，可能是因為突變株影響了表面的結(jié)構(gòu)，進而改變了細菌對於HDTMA的敏感層度欧美日韩另类自拍动漫。