灰葡萄孢BcPDR1在病菌生长发育和致病过程中的功能

来源 :第一届环渤海地区微生物学术研讨会 | 被引量 : 0次 | 上传用户:quindavid
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  实验室前期从灰葡萄孢T-DNA插入突变体库中筛选获得了一株致病力完全丧失的突变体BCt89,明确了其突变基因为BcPDR1,该基因编码一个功能未知的假定蛋白,无同源基因和保守结构域。为进一步明确该基因的功能,本研究利用基因敲除技术,获得了该基因的敲除突变体△BcPDR1;对突变体BCt89和△BcPDR1的表型进行分析,发现突变体的生长速度减慢,不产生分生孢子和菌核,菌丝纤细、分隔短、颜色浅,表明BcPDR1基因参与灰葡萄孢的生长、发育过程。
其他文献
植物种子发育的机制不仅是植物学理论的一个根本问题,也是农业应用的一个最关键环节.由于粮食作物以单子叶植物为主,因此揭示单子叶植物胚和胚乳的发育机制是提高粮食作物产
会议
Jonsson (1994)針對少毛類纖毛虫Strombidium oculatum Gruber,1884進行潮汐週期與孢子形成關係之研究.此結果印證了Fauré-Fremiet (1948)之假設——即該種生活於潮池之纖毛
会议
干旱严重影响作物生长和产量.培育抗旱作物新品种是应对干旱逆境的有效途径.本试验室利用不对称体细胞杂交技术培育了小麦渐渗系耐盐抗旱新品种山融3号(SR3)[1],其抗性与较强
会议
Yersinia pestis, the cause of plague, forms a biofilm in the foregut of its flea vector to enhance transmission.Biofilm formation in Y.pestis is controlled by t
会议
Isolates of Yersinia pestis are subdivided into biovars based upon phenotypic characteristics.Biovar Orientalis, contrary to the more ancestral strains, is inca
会议
Gram-negative bacteria regulate phenotypic change in response to population density using small chemical signal molecules known as N-acylhomoserine lactones (AH
会议
During the middle ages the Black Death, known to be caused by the bacterium Yersinia pestis, ravaged through Europe, killing an estimated 30-50% of its populatio
会议
In vitro A saturation mutant library was generated of Y.pestis CO92 comprising around one million mutants.Insertion of a transposon region into a gene prevents
会议
The surface of Yersinia pestis is covered with two densely aggregated homopolymeric fimbrial proteins, which play important roles in mediating host cell recogni
会议
A recent analysis by Multi Locus Sequence Typing (MLST) of the Y.pseudotuberculosis (Y.pst) population revealed that, in addition to the already identified Y.pe
会议