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首页> 外文期刊>Environmental microbiology >A novel T4SS‐mediated DNA transfer used by pXO16, a conjugative plasmid from Bacillus thuringiensisBacillus thuringiensis serovar israelensisisraelensis
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A novel T4SS‐mediated DNA transfer used by pXO16, a conjugative plasmid from Bacillus thuringiensisBacillus thuringiensis serovar israelensisisraelensis

机译：PXO16使用的新型T4SS介导的DNA转移，来自 bacillus thuringiensis bacillus thuringiensis serovar 以色列人以色列

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Summary > The entomopathogenic Bacillus thuringiensis serovar israelensis displays peculiar conjugative transfer capabilities, accounted for by the large conjugative plasmid pXO16 (350 kb). The efficient and fast conjugative transfers are accompanied by a macroscopic aggregation of bacterial partners. Moreover, pXO16 has proven capable of effective mobilization and the retro‐transfer of both mobilizable and ‘non‐mobilizable’ plasmids. In this work, the aggregation phenomenon is shown to promote pXO16 transfer while not being mandatory for transfer. Transfer of pXO16 to B. thuringiensis recipient strains that do not display aggregation is observed as well, hence enlarging the previously defined host range. The use of variant calling analysis of transconjugants allowed for observation of up to 791 kb chromosomal regions mobilization. Previous analysis of pXO16 did not reveal any Type IV Secretion System (T4SS) homologs, which suggested the presence of an unusual conjugative system. A FtsK/SpOIIIE ATPase gene proved here to be necessary for conjugative transfer. Additionally, the analysis of natural restriction‐modification systems in both conjugative partners gave credit to a ssDNA transfer mechanism. A ‘transfer israelensis plasmid’ ( tip ) region containing this ATPase gene was shown to code for other potential T4SS proteins, illustrating a conjugative system distantly related to the other known Gram‐positive T4SSs. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>摘要</ title> >昆虫疗法 Bacillus thuringiensis </ i> Serovar 以色列人</ i>显示出特殊的缀合性转移能力，由大的共轭质粒pxO16（350kb）占。高效和快速的缀合转移伴随着细菌合作伙伴的宏观聚集。此外，PXO16已经证明能够有效动员和可移动化和“不可移动的”质粒的复古转移。在这项工作中，显示了聚集现象，以促进PXO16转移，同时不强制转移。将PXO16转移到 b。不观察到不显示聚集的束缚</ i>引起的受体菌株，因此放大先前定义的主机范围。使用变体呼叫分析允许观察高达791 kB染色体区域的动员。先前对PXO16的分析没有揭示任何IV型分泌系统（T4SS）同源物，这表明存在不寻常的共轭系统。在这里证明了FTSK / spoiie ATP酶基因对于共轭转移是必要的。另外，共轭合作伙伴中的自然限制性修改系统的分析给了SSDNA转移机制的信贷。含有该ATP酶基因的'转移以色列人</ i>质粒'（尖/酮）区域被显示为用于其他潜在的T4S蛋白的代码，示出了与其他已知的克 - 的共轭系统正T4SS。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22868/'>《Environmental microbiology》</a> <b style="margin: 0 2px;">|</b><span>2018年第4期</span><b style="margin: 0 2px;">|</b><span>共12页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Makart Lionel&option=202" target="_blank" rel="nofollow">Makart Lionel;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gillis Annika&option=202" target="_blank" rel="nofollow">Gillis Annika;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hinnekens Pauline&option=202" target="_blank" rel="nofollow">Hinnekens Pauline;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mahillon Jacques&option=202" target="_blank" rel="nofollow">Mahillon Jacques;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Laboratory of Food and Environmental MicrobiologyEarth and Life Institute Université catholique de LouvainLouvain‐la‐Neuve B‐1348 Belgium;</p> <p>Laboratory of Food and Environmental MicrobiologyEarth and Life Institute Université catholique de LouvainLouvain‐la‐Neuve B‐1348 Belgium;</p> <p>Laboratory of Food and Environmental MicrobiologyEarth and Life Institute Université catholique de LouvainLouvain‐la‐Neuve B‐1348 Belgium;</p> <p>Laboratory of Food and Environmental MicrobiologyEarth and Life Institute Université catholique de LouvainLouvain‐la‐Neuve B‐1348 Belgium;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/183.html" title="微生物学">微生物学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> </p> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li 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