Comparison of Seiridium Isolates Associated with Cypress Canker Using Sequence Data

Experimental Mycology Pub Date : 1993-12-01 DOI:10.1006/emyc.1993.1030

Christopher D. Viljoen, Brenda D. Wingfield, Michael J. Wingfield

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引用次数: 31

Abstract

Viljoen, C. D., Wingfield, B. D., and Wingfield, M. J. 1993. Comparison of Seiridium isolates associated with cypress canker using sequence data. Experimental Mycology 17, 323-328. Three species of Seiridium have been associated with cypress canker. These include Seiridium cardinale, Seiridium unicorne, and Seiridium cupressi and are distinguished based on conidial appendage morphology. Some authorities believe that S. cupressi is conspecific with S. unicorne as these two species possess appendaged conidia while S. cardinale does not. Others are of the view that only one species of Seiridium with variable morphology is associated with cypress canker. In this study the variable first internal transcribed spacer region of the ribosomal RNA genes, from isolates of Seiridium associated with cypress canker, was sequenced and compared. Results suggest that species of Seiridium associated with cypress canker are closely related. Moreover sequence data support the view that S. cupressi and S. unicorne are synonyms of S. cardinale.

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用序列数据比较与柏树溃疡病相关的硒分离株

维约恩，c.d.，温菲尔德，b.d.和温菲尔德，m.j. 1993。用序列数据比较与柏树溃疡病相关的Seiridium分离株。真菌学学报，17,323-328。三种Seiridium与柏树溃疡病有关。它们包括红塞铱、独角塞铱和柏塞铱，根据分生孢子附属物的形态来区分。一些权威人士认为，柏树与独角兽是同源的，因为这两个物种都有附属物分生孢子，而红雀则没有。另一些人认为，只有一种具有可变形态的赛铱属与柏树溃疡病有关。本研究对与柏树溃疡病相关的Seiridium分离株核糖体RNA基因的可变第一内转录间隔区进行了测序和比较。结果表明，与柏树溃疡病相关的Seiridium属亲缘关系较近。此外，序列数据也支持了柏树与独角兽是红雀同义的观点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Experimental Mycology

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