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致病

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These closely related Gibberella species differ in their reproductive behaviors, geographic distribution and host ranges, plant pathogenesis, and production of toxins and other biologically active metabolites.

虽然它们是非常近缘的赤霉属各种,但在繁殖方式、地理分布、寄主范围、植物致病机理、毒素和其他生物活性代谢物的产生方面都有所不同。

Fusarium head blight or wheat scab, caused by Fusarium graminearum teleomorph Gibberella zeae (Schew Petch, has been the most important disease of wheat, barley and corn in China.

小麦赤霉病是影响我国南方麦区、东北春麦区以及黄淮流域麦区的重要病害,可由多种镰刀菌引起,但主要致病种是禾谷镰刀菌Fusarium graminearum,通称为赤霉菌。

Objective: To elucidate the pathogenesis of human cytomegalovirus, we studied the activation of p38MAPK pathway after HCMV infection and the relationship between HCMV infection and the frequency of apoptosis of hunan Gliomatous cells U 251 strain.

目的:研究人巨细胞病毒感染对人神经胶质瘤U251细胞株p38MAPK信号转导通路及细胞凋亡的影响,以探讨HCMV致病、致畸的分子机制。

Objective To detect Mycoplasma genitalium infection in high risk populations of STDs from six cities in China and try to clarify the possible role of Mg in the pathogenesis of non? gonococcal urethritis.

目的 对我国部分地区不同类型的性病人群进行生殖支原体感染状况检测分析,以明确Mg感染在非淋菌性尿道炎中的可能致病作用。

A pair of couples are detected to go out to all send the carry person of ill gene for this, to can be delivered of healthy child, every time gravid and inchoate undertake antenatal is diagnosed.

有一对夫妇被检测出均为该致病基因的携带者,为了能生下健康的孩子,每次妊娠早期都进行产前诊断。

For increasing our knowledge on the pathology of entomopathogenic nematodes to ticks, the changes of total protein level, esterase activity and esterase bands in the hemolymph of female Haemaphysalis longicornis Neumann after infection by the nematode Heterorhabditis bacteriophora E-6-7 (Hb E-6-7) were detected.

用嗜菌异小杆线虫Heterorhabditis bacteriophora E-6-7 (Hb E-6-7)感染长角血蜱Haemaphysalis longicornis雌蜱,测定感染后雌蜱血淋巴总蛋白含量、酯酶活性及酯酶同工酶的变化,以探讨昆虫病原线虫对蜱的致病机理。

The pathogenic mechanism in halobios caused with various organic contaminations were studied by proteomic techniques including its relative analytical techniques.

研究有机污染源危害海洋生物的致病分子机理。以多维核磁共振法和X光晶体衍射为分析手段,研究重要蛋白质的精细结构和多肽药物分子设计。

Four field strains of infectious bronchitis viruswere isolated from chicken kidney, trachea and lung of the young layer flocks in some regions of Shaanxi province. Biological characterizations of the virus were investigated by virus pathogenicity to chicken embryo and healthy chickens, hemagglutination test, hemagglutination inhibition test, dwarfing embryonated chicken eggs, electron microscopy and reverse transcription polymerase chain reaction. It demonstrated that allantoic fluid of each passage virus could hemagglutinate chicken red blood cells by treatment with 1% trypsin. The standard positive serum to IBV could inhibited the hemagglutination. The isolates could make respiratory and kidney diseases in chickens.

采集陕西省宝鸡市、扶风县、兴平市和榆林市等地鸡场疑似传染性支气管炎发病鸡病料,通过9~11 日龄非免疫鸡胚进行了病毒的实验室分离和传代,并对分离毒株进行了病毒的血凝性、血凝抑制性、致病性、鸡胚矮小化、电镜特征等生物学特性鉴定,结果表明,4 株分离株经1%胰酶处理后的各代病毒尿囊液均可凝集鸡红细胞,标准阳性血清可特异性的抑制其凝集性,回归试验可复制出与自然发病相同的病例,病毒传代物有明显的致鸡胚矮小化作用,透射电镜下可见有近似球形、直径100 nm左右的冠状病毒粒子,将分离鉴定的4 株IBV 定名为BJ-04、FF-04、XP-03 和YL-04。

Severe complications arising from influenza virus infection (pandemic influenza or the highly pathogenic avian H5N1viruses) are often associated with rapid, massive inflammatory cell infiltration, acute respiratory distress, reactive hemophagocytosis and multiple organ involvement.

流感病毒感染(如暴发性流行或高致病性禽流感H5N1感染)可以造成广泛的病理损伤及严重的并发症,其肺部病理损伤以肺水肿及广泛的炎性渗出为特点,并伴有人量的中性粒细胞、巨噬细胞、淋巴细胞浸润及促炎因子和趋化因子的产生。

Objective Analysis of pathogenic gene linkage and hemopoietic characteristics in a kindred with sideroblastic anemia.

目的 分析铁粒幼细胞贫血家系的致病基因和研究患者骨髓造血特征。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。