株

Our experiment is based on Chlamydia trachomatis cell culture to detect the in vitro susceptibilities of C.

为此，我们通过沙眼衣原体细胞培养，从天津市性病研究所就诊的病人泌尿生殖道分离出30株C.t野生菌株，并运用碘液染色计数包涵体的方法检测了这些野生株在体外对3种常用的抗菌药物四环素、阿奇霉素、盐酸莫西沙星的敏感性。

In order to understand the adaptation of the microorganisms under the extreme cold environment conditions, the physiological characteristics of the 5 bacterial isolates from the Muztag Am ice core under the different temperatures were investigated. The csp gene was also amplified by PCR technique and the specific primer targeted for the cold shock protein. The observation results showed that there were three phenotypes of microorganisms: psychrophiles growing from 0~23°С(the optimum temperature at 15°C), psychrotolerant with growth range at 0~40°C (the optimum temperature at 23°С), and the thermophile with growth range at 0~45°C(the optimum temperature at 30°C).

为了解冰川微生物的生理生长特征及其在极端寒冷环境条件下的冷适应特性，从慕士塔格冰芯分离菌株中选取了5个代表菌株，分别对这些菌株的生长温度和酸度范围进行了观测，并利用微生物冷诱导蛋白的保守氨基酸序列，设计了1对冷诱导基因csp的特异引物，并对其进行了PCR扩增。

The origins of the more irulent strains of Toxoplasma were first documented in a 2001 Science paper from Boothroyd's group; the researchers found that the recombination of two relatiely benign strains of Toxoplasma can result in a thousand-fold increase in their ability to cause serious disease.

Boothroyd等人在2001年《科学》的文章中记载了弓形虫毒性菌株的来源，他们发现将两种相对良性的弓形虫菌株重组后，新菌株的致病性呈千倍上升。

A kind of virus particles were observed in cytoplasm of sampled ill sea cucumber tissues which were sampled from sick sea cucumbers with ulcerous skin and swollen mouth from their farming ponds at the beginning of 2005. The particles were covered with a bilayer envelops, shaped in globular with its size 100-200 nm in diameter. The same virus was isolated from cultured sea cucumbers with disease from different time and sites, and then infected the healthy sea cucumber. sea cucumber appeared the phenomenon such as ulcerous skin and swollen mouth and the same virus was isolated from infected sea cucumbers.

本章从患病刺参中分离出了2株对刺参具有感染能力的细菌，经鉴定1株为弧菌科弧菌属Vibrio sp和1株为弧菌科施万氏菌属Shewanella sp；在患病刺参的触手、肠和呼吸树等组织的细胞质中，检出了球形、具双层囊膜、直径大约为100-200nm的病毒粒子利用分离的病毒进行人工感染实验，刺参可以产生与自然发病刺参相同的症状，显示了分离的病毒对刺参具有一定的感染性。

Gallica were exposed under ultra-violet ray and the mutants were screened in RBBR-containing PDA plates, and then the laccase activities of the mutated strains were determined by ABTS.

以粗毛栓菌T.gallica为出发菌株，通过紫外诱变处理其担孢子、PDA-RB亮蓝平板变色法初筛、ABTS法测定培养液漆酶活力复筛，获得1株漆酶高产诱变菌株SAH-12。

Results:thirty-nine citrobacters have urease genes,but only five have urease expression positive result.

结果：39株实验枸橼酸杆菌的尿素酶基因均为阳性，只有5株菌株尿素酶表达为阳性。

N L-Leucine Producer,Strain No .145,was obtained from mutants resistant to α-amino-β-hydroxyl valeric acid and rifampin by mutagenizing Brevibacterium Tianjinese T6-13 with ul-traviolet rays,It produced L-Leucine up to 32mg/mL on shaker and 21.8mg/mL of L-Leucine was produced in 16 liter fermentor in 60 hours.

以天津短杆菌T6～13为出发菌株，采用紫外线进行诱变处理，筛选α－氨基－β－羟基戊酸和利福平抗性突变株，获得一株L－亮氨酸产生菌No.145，L－亮氨酸摇瓶产量可以达32.1mg／mL。在16L发酵罐中培养60h，L－亮氨酸产量可以达21.8mg／mL葡萄糖转化率可以达20％。

There are two old trees there: one is dead; the other is wounded at its base, and is clothed with verdure in April.

那里还有两株古树：一株已经死了，一株根上受了伤，年年四月仍发青。

There are two old trees there: one is dead; the other is wounded at its base, is clothed with verdure in April.

那里还有两株古树：一株已经死了，一株根上受了伤，年年四月仍发青。

Fifty-seven Pseudomonas aeruginosa isolates from SICU from January 2003 to December 2003 were collected, in which 22 strains were COS-PA. The rest were non-COS-PA, including one strain found in the bottom of the washstand.

收集外科重症监护病房2003年l月至2003年12月临床分离的铜绿假单胞菌57株，其中COS-PA 22株；收集SICU水池下水口非仅黏菌素敏感铜绿假单胞菌1株。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。