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Use of Secondary Data in Numerical Taxonomy of the Genus Erwinia

机译:二级数据在欧文氏菌属数字分类学中的应用

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摘要

Lockhart, W. R. (Iowa State University, Ames), and Karen Koenig. Use of secondary data in numerical taxonomy of the genus Erwinia. J. Bacteriol. >90:1638–1644. 1965.—Numerical methods were used to study 34 bacterial cultures, including several species of Erwinia and selected representatives of other genera of the Enterobacteriaceae. Separate computations were made by use of varying amounts of secondary data (i.e., information regarding descriptive or quantitative characters applicable only to organisms yielding a positive result in another primary character). Substantially the same groupings of the test organisms were obtained in all computations, but definition of groups seemed to be more precise when secondary data were included. The results confirm proposals by other workers that E. carotovora, E. aroideae, E. atroseptica, and E. ananas be placed in a single species, separate from E. amylovora. Limited evidence suggests that E. nimipressuralis and E. chrysanthemi may be distinct species, and that some strains of E. amylovora are not very similar either to one another or to other members of the Enterobacteriaceae.
机译:洛克哈特·W·R(爱荷华州立大学,艾姆斯)和凯伦·科尼希(Karen Koenig)。在欧文氏菌属的数字分类学中使用辅助数据。 J.细菌。 > 90:(1638–1644)。 1965年。采用数值方法研究了34种细菌培养物,包括几种欧文氏菌属以及肠杆菌科其他属的选定代表。通过使用不同数量的辅助数据进行单独的计算(即,有关仅适用于在另一个主要特征中产生阳性结果的生物的描述性或定量特征的信息)。在所有计算中,基本上获得了相同的测试生物分组,但是当包含次级数据时,分组的定义似乎更为精确。结果证实了其他工作人员的建议,即将大肠杆菌(E. carotovora),拟南芥(E. aroideae),拟南芥(E. atroseptica)和凤梨(E. ananas)置于与淀粉双歧杆菌分开的单一物种中。有限的证据表明,nimipressuralis肠杆菌和chrysanthemi肠杆菌可能是不同的物种,并且某些支链淀粉肠杆菌彼此之间或与肠杆菌科的其他成员不是很相似。

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