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首页> 外文期刊>Mycologia >Tuberculina: rust relatives attack rusts
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Tuberculina: rust relatives attack rusts

机译：结核菌：铁锈亲戚会攻击铁锈

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摘要

Molecular sequence data together with ultrastructural features were used to infer the phylogenetic position of Tuberculina species. Additional ultrastructural characteristics were used to determine their mode of nutrition. We investigated ultrastructural morphology of the type species Tuberculina persicina and determined base sequences from the D1/ D2 region of the nuclear large-subunit ribosomal DNA of the three commonly distinguished Tuberculina species, T. maxima, T. persicina and T. sbrozzii. Analyses of sequence data by means of a Bayesian method of phylogenetic inference using a Markov Chain Monte Carlo technique reveal the basidiomycetous nature of Tuberculina. Within the Urediniomycetes, Tuberculina clusters as a sister group of Helicobasidium, closely related to the rusts (Uredinales). This phylogenetic position is supported by the uredinalean architecture of septal pores in Tuberculina. In addition, we present aspects of the ultrastructural morphology of the cellular interaction of Tuberculina and rusts showing a unique interaction with large fusion pores, revealing the mycoparasitic nature of Tuberculina on its close relatives, the rusts.
机译：分子序列数据以及超微结构特征被用于推断结核菌种的系统发生位置。其他超微结构特征用于确定其营养模式。我们调查了三种结核菌（T. maxima，T。persicina和T. sbrozzii）核大亚基核糖体DNA的D1 / D2区的碱基序列，并研究了该菌种的超微结构形态。通过使用马尔可夫链蒙特卡洛技术的贝叶斯系统发育推断的贝叶斯方法对序列数据进行分析，揭示了结核菌的担子菌性质。在Urediniomycetes中，结核菌簇生为Helicobasidium的姐妹群，与锈菌（Uredinales）密切相关。该系统发生位置由结核菌中的隔孔的ureinalean结构支持。此外，我们介绍了结核菌和锈菌的细胞相互作用的超微结构形态，显示了与大融合孔的独特相互作用，揭示了结核菌在其近亲中的真菌寄生特性。

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