嗜冷栖热菌新种，一种新的微嗜热黄色色素菌。
Meiothermus timidus sp. nov., a new slightly thermophilic yellow-pigmented species.
作者信息
Pires Ana Luisa, Albuquerque Luciana, Tiago Igor, Nobre M Fernanda, Empadinhas Nuno, Veríssimo António, da Costa Milton S
机构信息
Departamento de Zoologia and Centro de Neurociências e Biologia Celular, Universidade de Coimbra, 3004-517 Coimbra, Portugal.
出版信息
FEMS Microbiol Lett. 2005 Apr 1;245(1):39-45. doi: 10.1016/j.femsle.2005.02.011.
Several yellow-pigmented isolates, with optimum growth temperatures between 55 and 60 degrees C, were recovered from hot springs in Central Portugal and the Azores. Phylogenetic analysis of the 16S rDNA showed that these organisms represented a new species of the genus Meiothermus. The new isolates could be distinguished from other strains of the species of the genus Meiothermus by biochemical characteristics and the fatty acid composition because they had very high levels of iso C15:0 and iso C17:0 and very low levels of anteiso C17:0 and iso C16:0. On the basis of the results presented here we propose the name Meiothermus timidus for the new species represented by strains SPS-243(T) (=LMG 22897(T)=CIP 108604(T)), RQ-10 and RQ-12.
从葡萄牙中部和亚速尔群岛的温泉中分离出了几株黄色色素产生菌，其最适生长温度在55至60摄氏度之间。对16S rDNA的系统发育分析表明，这些微生物代表了嗜热栖热菌属的一个新物种。新分离株可通过生化特性和脂肪酸组成与嗜热栖热菌属的其他菌株区分开来，因为它们的异C15:0和异C17:0含量非常高，而anteiso C17:0和异C16:0含量非常低。基于此处给出的结果，我们提议将由菌株SPS-243(T)（=LMG 22897(T)=CIP 108604(T)）、RQ-10和RQ-12代表的新物种命名为嗜热栖热菌（Meiothermus timidus）。
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