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Abstract
A novel bacterial strain, designated ZLT, isolated from a warm spring in Jhonglun, Taiwan, was characterized by using a polyphasic taxonomic approach. The novel strain had chemotaxonomic and morphological properties consistent with its classification in the genus Paenibacillus. Cells were Gram-variable, aerobic, sporulating, motile rods. 16S rRNA gene sequence analysis demonstrated that this novel isolate was unique, showing 94.3 % sequence similarity to Paenibacillus assamensis GPTSA 11T and lower levels to Paenibacillus timonensis 2301032T (94.0 %), Paenibacillus macerans ATCC 8244T (93.3 %), Paenibacillus barengoltzii SAFN-016T (93.3 %) and Paenibacillus sanguinis 2301083T (93.2 %). The novel isolate could be distinguished from the type strains of all of these species based on a range of phenotypic data. The major cellular phospholipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and one unknown phosphoglycolipid. The predominant isoprenologue was an unsaturated menaquinone with seven isoprene units (MK-7). The major fatty acids of strain ZLT were C16 : 0 (33.5 %), anteiso-C15 : 0 (32.5 %) and iso-C16 : 0 (9.3 %). The G+C content of the genomic DNA was 49.2 mol%. It is evident from the genotypic and phenotypic data that strain ZLT should be classified as representing a novel species of the genus Paenibacillus, for which the name Paenibacillus fonticola sp. nov. is proposed. The type strain is ZLT (=BCRC 17579T=LMG 23577T).
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