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Thalassoglobus polymorphus sp. nov., a novel Planctomycete isolated close to a public beach of Mallorca Island.
Antonie van Leeuwenhoek ( IF 1.8 ) Pub Date : 2020-06-24 , DOI: 10.1007/s10482-020-01437-y
Elena Rivas-Marin 1 , Sandra Wiegand 2, 3 , Nicolai Kallscheuer 3 , Mareike Jogler 4 , Stijn H Peeters 3 , Anja Heuer 5 , Mike S M Jetten 3 , Christian Boedeker 5 , Manfred Rohde 6 , Damien P Devos 1 , Christian Jogler 3, 4
Affiliation  

Access to axenic cultures is crucial to extend the knowledge of the biology, lifestyle or metabolic capabilities of bacteria from different phyla. The phylum Planctomycetes is an excellent example since its members display an unusual cell biology and complex lifestyles. As a contribution to the current collection of axenic planctomycete cultures, here we describe strain Mal48T isolated from phytoplankton material sampled at the coast of S'Arenal close to Palma de Mallorca (Spain). The isolated strain shows optimal growth at pH 7.0-7.5 and 30 °C and exhibits typical features of Planctomycetes. Cells of the strain are spherical to pear-shaped, divide by polar budding with daughter cells showing the same shape as the mother cell, tend to aggregate, display a stalk and produce matrix or fimbriae. Strain Mal48T showed 95.8% 16S rRNA gene sequence similarity with the recently described Thalassoglobus neptunius KOR42T. The genome sequence of the novel isolate has a size of 6,357,355 bp with a G+C content of 50.3%. A total of 4874 protein-coding genes, 41 tRNA genes and 2 copies of the 16S rRNA gene are encoded in the genome. Based on phylogenetic, morphological and physiological analyses, we conclude that strain Mal48T (= DSM 100737T = LMG 29019T) should be classified as the type strain of a new species in the genus Thalassoglobus, for which the name Thalassoglobus polymorphus sp. nov. is proposed.

中文翻译:


多形海球藻 sp. 11 月,一种新颖的浮霉菌在马略卡岛的公共海滩附近分离出来。



获得无菌培养物对于扩展不同门细菌的生物学、生活方式或代谢能力的知识至关重要。浮霉菌门是一个很好的例子,因为它的成员表现出不寻常的细胞生物学和复杂的生活方式。作为对当前纯质浮游菌培养物收集的贡献,我们在这里描述了从靠近帕尔马(西班牙)的萨雷纳尔海岸采样的浮游植物材料中分离出的菌株 Mal48T。分离的菌株在 pH 7.0-7.5 和 30 °C 下表现出最佳生长,并表现出浮霉菌的典型特征。该菌株的细胞呈球形至梨形,通过极芽分裂,子细胞显示与母细胞相同的形状,倾向于聚集,显示茎并产生基质或菌毛。 Mal48T 菌株与最近描述的 Thalassoglobus neptunius KOR42T 具有 95.8% 的 16S rRNA 基因序列相似性。该新分离物的基因组序列大小为6,357,355 bp,G+C含量为50.3%。基因组中总共编码4874个蛋白质编码基因、41个tRNA基因和2个拷贝的16S rRNA基因。基于系统发育、形态学和生理学分析,我们得出结论,菌株Mal48T(= DSM 100737T = LMG 29019T)应归类为Thalassoglobus属新种的模式菌株,其名称为Thalassoglobus polymorphus sp。十一月被提议。
更新日期:2020-06-24
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