In connection with these cases, the pathogenic character as well as histogenesis and causes of this tumor were analyzed and discussed.
结合病例，对神经母细胞瘤的病理特征、组织发生及其病因，进行了分析讨论。
The enterotoxin gene and fimbrial gene are major reason for the pathogenic character of ETEC. The new method is found in preventing from diarrhea, which is enterotoxin genetic engineering vaccine.
ETEC的肠毒素基因和菌毛蛋白基因对于ETEC的致病性起主要作用，肠毒素基因工程疫苗为预防ETEC引起的腹泻开辟了新的途径。
Malassezia is a kind of yeast fungus with lipophilic character, and also a kind of conditional pathogenic bacteria.
马拉色菌是一种嗜脂的酵母菌，亦是一种条件性致病菌。
This paper outlines distribution and injury of rice spot disease , disease symptom, morphological character of pathogenic bacterium, biological character, genesis regular, and control methods.
报道了水稻污点病在黑龙江省的分布与危害情况、病害症状、病原菌的形态特征、生物学特性、发生规律与防治方法。
The disease has a familial hereditary tendency, genetic research shows a non-singleness genetic character, and the manifestations of its pathogenic gene and mutation site are various.
本病有家族遗传倾向，遗传学研究呈非单一性遗传特点，其致病基因及突变位点表现多样。
The paper focused on cultural character , pathogenic differentiation and vegetative compatibility of 35 strains from the main cotton productive regions in Xinjiang and 5 standard strains .
对新疆棉区采集的35个棉花黄萎病菌代表性菌系进行了生物学特性研究、鉴别寄主法测定及营养亲和群研究。
The paper focused on cultural character , pathogenic differentiation and vegetative compatibility of 35 strains from the main cotton productive regions in Xinjiang and 5 standard strains .
对新疆棉区采集的35个棉花黄萎病菌代表性菌系进行了生物学特性研究、鉴别寄主法测定及营养亲和群研究。
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