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Paenibacillus fonticola sp. nov., isolated from a warm spring

¹ Department of Soil Environmental Science, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan
² Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, No. 142, Hai-Chuan Rd. Nan-Tzu, Kaohsiung City 811, Taiwan
³ Department of Marine Biotechnology, National Kaohsiung Marine University, Kaohsiung, Taiwan

Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net

A novel bacterial strain, designated ZL^T, 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 11^T and lower levels to Paenibacillus timonensis 2301032^T (94.0 %), Paenibacillus macerans ATCC 8244^T (93.3 %), Paenibacillus barengoltzii SAFN-016^T (93.3 %) and Paenibacillus sanguinis 2301083^T (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 ZL^T were C_{16 : 0} (33.5 %), anteiso-C_{15 : 0} (32.5 %) and iso-C_{16 : 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 ZL^T 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 ZL^T (=BCRC 17579^T=LMG 23577^T).

Neighbour-joining and maximum-parsimony phylogenetic trees based on 16S rRNA gene sequences showing the position of strain ZL^T within the genus Paenibacillus are available as supplementary figures with the online version of this paper.