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首页> 外文期刊>European Journal of Plant Pathology >Characterization of a new spiral nematode,Helicotylenchus asiaticusn. sp., and three known species from Korea; with comments on the validity ofHelicotylenchus microlobusPerryinPerry, Darling & Thorne, 1959
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Characterization of a new spiral nematode,Helicotylenchus asiaticusn. sp., and three known species from Korea; with comments on the validity ofHelicotylenchus microlobusPerryinPerry, Darling & Thorne, 1959

机译：新螺旋线虫的特征，Helicotylenchus Asiaticusn。 SP。和来自韩国的三种已知种类; 关于Helicotylenchus Microolobusperryinperry，Darling＆Thorne的有效性评论，1959年

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摘要

A new spiral nematodeHelicotylenchus asiaticusn. sp., recovered from sandy rhizosphere ofPoa pratensisfrom Korea, is characterized based on integrative taxonomy, considering both morphological and molecular phylogenetic inferences from analyses of the 28S-rRNA and ITS-rRNA gene sequences. Additionally,H. caudatusis characterized for the first time outside its type locality; notes on the taxonomic status ofH. microlobusare stated, and the existence ofH. dihysterain Korea is molecularly confirmed. The new species is characterized by a lip region not offset; hemispherical, bearing 4-5 annuli; stylet knobs sloping posteriorly, rarely anteriorly flattened; spermatheca, offset and filled with sperms; incisures of the lateral field areolated in pharyngeal region, with incomplete areolation in the tail region; inner incisures usually distally modified into a u-shape or y-shaped configuration; phasmids postanal, situated at 3-8 annuli posterior to anus level; tail conical, bearing 8-15 annuli, ending in a rounded to pointed extremity; and males abundant. The new species is morphologically similar toH. erythrinae, H. californicus, H. electropicus, H. tropicus,H. conicus,H. elegans,H.interrogativus,H.saxeus,H. certusandH.silvaticusbut differs from all, either by lip region shape, stylet knob shape, sperm filled spermatheca, phasmid position, tail termini shape and (or) presence of males. Sequence data analyses from amplified regions suggest thatHelicotylenchus asiaticusn. sp. is a sister species to unidentifiedHelicotylenchussp. From Korea.
机译：一个新的螺旋Nematodehelicotylenchus Asiaticusn。从韩国普遍的Pratensisissisisisisisisisisisisisisisis的Sandy根际坡度恢复，以综合分类分类为特征，考虑到28S-RRNA及其-RRNA基因序列的分析的形态和分子系统发育推论。另外，h。 caudatusis在其类型的位置之外的第一次特征;关于分类机构的注意事项。 microolobusare陈述，存在。 DioHalysterain韩国被分子证实。新物种的特点是唇部区域不偏移;半球形，轴承4-5 anvenuli; Stylet旋钮后面倾斜，很少向前扁平; Spermatheca，偏移和充满精子;在咽部区域均匀的横向区域的发生，在尾部区域不完全粗糙;内部插入通常在远端改性为U形或Y形构造; PRASMID船长，位于3-8个anvuli ante ant水平;尾圆锥形，轴承8-15 anulli，以圆形到尖端的末端结束;和男性丰富。新物种是形态学相似的秩序。 erythrinae，H.加州，H.电催化，H.Tropicus，H. Conicus，h。 elegans，h.interrogativus，h.saxeus，h。 Certusandh.silvaticusbut与唇部区域形状，戴着嘴巴旋钮形状，精子填充的精子，质子肌，尾末端形状和（或）雄性的存在。来自扩增区域的序列数据分析表明Helicotylenchus Asiaticusn。 SP。是一个未识别的helicotylenchussp的姐妹种类。来自韩国。

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