%0 Journal Article
%T Effects of rRNA secondary structure on topological accuracy: a case study based on fungal 18S rRNAs<br>核糖体RNA二级结构对拓扑结构准确性的影响
%A LIU Chao-Yang
%A ZHUANG Wen-Ying
%A <br>刘超洋
%A 庄文颖
%J 菌物学报
%D 2011
%I 
%X Different methods using rRNA secondary structure to assist phylogenetic analyses have been recently developed. In order to evaluate the structure information on accuracy of phylogenetic tree topology, comparisons of these methods were performed. Our results showed significant superiority of phylogenetic analyses incorporating secondary structure over the pure traditional approaches. When the three major factors, alignment method, evolutionary model and tree search algorithm, were considered simultaneously in phylogenetic analyses, the implementation of structure information in alignment and substitution model produced a noticeable positive effect on topological accuracy.
%K phylogeny
%K sequence analysis
%K topological accuracy<br>系统发育，序列分析，拓扑结构
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=CA9F815FCB0F62294C4266BB6F902ACB&aid=18FA18D4C8ECFB3B9DB62F249639D820&yid=9377ED8094509821&vid=340AC2BF8E7AB4FD&iid=B31275AF3241DB2D&sid=F434A3C2A19884E7&eid=46DFDABDAA819280&journal_id=1672-6472&journal_name=菌物学报&referenced_num=0&reference_num=32