Molecular studies resolve Nyholmiella (Orthotrichaceae) as a separate genus  

作　　者：Jakub SAWICKI Vítězslav PLEK Monika SZCZECINSKA 

机构地区：[1]Department of Botany and Nature Protection,University of Warmia and Mazury in Olsztyn,PlacLódzki 1,10-727 Olsztyn,Poland [2]Department of Biology & Ecology,University of Ostrava,Chittussiho 10,CZ-710 00,Czech Republic

出　　处：《Journal of Systematics and Evolution》2010年第3期183-194,共12页植物分类学报（英文版）

基　　金：The part DNA analysis in the present study was made possible by financial support from the Polish State Committee for Scientific Research(KBN grant N303 416237);The Lewis B.and Dorothy Cullman Program for Molecular Systematic Studies;supported by Grant Agency of the Czech Republic No.206/07/0811

摘　　要：Two Orthotrichum species of the subgenus Orthophyllum were compared with other representatives of this genus using internally transcribed spacer regions 1 and 2,the chloroplast trnH-psbA region,and inter-simple sequence repeat（ISSR）and intron-exon splice conjunction（ISJ）markers.The ISSR and ISJ markers used revealed many bands and mutations specific only to O.gymnostomum and O.obtusifolium.Phylogenetic analysis clearly supported previous concepts postulating that species of the subgenus Orthophyllum should be recognized as the separate genus Nyholmiella.Two Orthotrichum species of the subgenus Orthophyllum were compared with other representatives of this genus using internally transcribed spacer regions 1 and 2,the chloroplast trnH-psbA region,and inter-simple sequence repeat（ISSR）and intron-exon splice conjunction（ISJ）markers.The ISSR and ISJ markers used revealed many bands and mutations specific only to O.gymnostomum and O.obtusifolium.Phylogenetic analysis clearly supported previous concepts postulating that species of the subgenus Orthophyllum should be recognized as the separate genus Nyholmiella.

关 键 词：molecular taxonomy Nyholmiella Orthotrichum phylogeny. 

分 类 号：Q949[生物学—植物学]