Franco Dellaglio , Luigi Daniele Trovatelli , Pier Giacomo Sarra
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引用次数: 18
Abstract
About sixty strains of Pediococcus received from different collections were studied by means of DNA-DNA hybridization using the filter competition method and employing eight reference strains. Seven homology groups (78 to 107 per cent homology) were distinguished showing negligible deoxyribonucleic acid interrelatedness among each other (zero to 20 per cent). Five of these groups correspond to the five named species reported in Kitahara's system in the 8 th edition of Bergey's Manual (Buchanan and Gibbons, 1974), namely Pediococcus cerevisiae (= P. damnosus), P. acidilactici, P. pentosaceus, P. halophilus and P. urinae-equi.
A sixth group consists of the strains isolated and named P. parvulus by Gunther et al. (1962).
The seventh homology group consists of only two strains, ATCC 10400 and NCIB 9208, representative of Aerococcus viridans (Williams et al., 1953).
采用筛选竞争法和8株参比菌株,对来自不同菌种的60株Pediococcus进行了DNA-DNA杂交研究。七个同源组(同源性为78%至107%)被区分出来,彼此之间的脱氧核糖核酸相互关系可以忽略不计(零至20%)。其中5个类群与Kitahara在《Bergey’s Manual》第8版(Buchanan and Gibbons, 1974)中所报道的5个已命名物种相对应,即啤酒Pediococcus cerevisiae (= P. damnosus)、P. acidilactici、P. pentosaceus、P. halophilus和P. urinae-equi。第六组由Gunther et al.(1962)分离并命名为parvulus的菌株组成。第7个同源群只有两个菌株,ATCC 10400和NCIB 9208,是绿质航空球菌的代表(Williams et al, 1953)。