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Ochroconis Species Isolated from Limestone Areas as the Origin of Indoor Ochroconis

机译：从石灰石地区分离的Ochroconis种类作为室内Ochroconis的起源

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摘要

The molecular, morphological, and physiological features of 42 strains of Ochroconis collected from many limestone areas were studied. Ochroconis strains are often found in limestone areas, although they have rarely been found in other wild areas, e. g. forests. Moreover, many strains from these areas grew on alkaline media (pH 9.7) and media with soap. They were phylogenetically more variable than Ochroconis strains previously found indoors or at city parks. Thus, the Ochroconis strains are thought to have adapted to the alkaline soil, specifically found in limestones. It is assumed that some strains of Ochroconis originally grew in the limestones and immigrated into park soils with the fine dust of cement and into indoor environments. More species of Ochroconis, with the ability to use surfactants as nutrients, are distributed in limestone areas than indoors or in city parks. Moreover, these fungi were found randomly in the phylogenetic trees of Ochroconis. Although only O. humicola was often found indoors and used surfactants, this fungus was newly found in the limestone areas of Okinawa Prefecture. Ochroconis humicola originally grew outdoors and seems to have immigrated to and propagated indoors. Thus, this species may have originated from the subtropical limestone areas.
机译：研究了从许多石灰石地区收集42个菌株42个菌株的分子，形态学和生理特征。 Ochroconis菌株通常在石灰石地区发现，尽管它们在其他野生地区很少被发现，即，e。 G。森林。此外，来自这些区域的许多菌株在碱性培养基（pH9.7）和培养基中生长。它们是比以前在室内或城市公园在室内发现的Ochroconis菌株更具变量的变化。因此，认为Ochroconis菌株适合于碱性土壤，特别是在石灰石中发现的。假设一些Ochroconis的菌株最初在石灰岩中成长并移民进入公园土壤，水泥的细粉尘和室内环境。更多物种的Ochroconis，具有使用表面活性剂作为营养素的能力，分布在石灰岩地区，而不是室内或城市公园。此外，这些真菌在Ochroconis的系统发育树中被动发现。虽然只有O. Humicola经常在室内发现和使用表面活性剂，但这种真菌在冲绳县的石灰石地区新发现。 Ochroconis Humicola最初在户外增长，似乎已移民到室内传播。因此，该物种可能源自亚热带石灰石区域。

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