Affiliation:
1. State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing 100193, PR China
2. Key Laboratory of Microbial Resources Collection and Preservation, Ministry of Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China
Abstract
A nitrogen-fixing, endospore-forming, motile, rod-shaped, facultative aerobic bacterium, designated 81-11T, was isolated from rhizosphere soil of a peach tree collected from Handan, Hebei, PR China. From the comparison of 16S rRNA gene sequence, the strain is most closely related to
Paenibacillus phoenicis
DSM 27463T (96.9 %) and
Paenibacillus faecis
DSM 23593T (96.7 %). The genome size of strain 81-11T was 4.4 Mb, comprising 4879 predicted genes with a DNA G+C content of 50.0 mol%. The average nucleotide identity values of genome sequences between the novel isolate and the type strains of related species
P. phoenicis
DSM 27463T and
P. faecis
DSM 23593T were 71.8 and 72.1 %, respectively. The major cellular fatty acids were anteiso-C15 : 0(47.8 %), iso-C16 : 0 (15.5 %) and iso-C15 : 0 (13.0 %). Menaquinone-7 was the major respiratory quinone. The polar lipids contained phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, aminophospholipid, aminoglycopid, unknown polar lipids and unidentified aminophosphoglycolipid. Based on phylogenetic, genomic and phenotypic characteristics, strain 81-11T was classified as a novel species within the genus
Paenibacillus
, for which the name Paenibacillus caui sp. nov. is proposed. The type strain of Paenibacillus caui is 81-11T (=JCM 34618T=CGMCC 1.18907T).
Funder
National Key Research and Development Program of China
National Natural Science Foundation of China
Subject
General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology
Cited by
3 articles.
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