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Paenibacillus campinasensis sp. nov., a cyclodextrin-producing bacterium isolated in Brazil

¹Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
²Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Taejon, Korea
³State University of Campinas, College of Food Engineering (UNICAMP), Campinas, SP, CEP 13081–970, Brazil

Author for correspondence: Yong-Ha Park. Tel: +82 42 860 4620. Fax: +82 42 860 4625. e-mail: yhpark{at}kribb4680.kribb.re.kr

ABSTRACT

An alkaliphilic, endospore-forming bacterium isolated from Brazilian soil was taxonomically studied and is proposed as a new Paenibacillus species. This organism (strain 324^T) was particularly distinguishable from other Paenibacillus species by its ability to grow optimally at pH 10 and 40 °C. The DNA G+C content was 50-9 mol%. The diamino acid of the cell-wall peptidoglycan was meso-diaminopimelic acid. MK-7 was the predominant menaquinone and anteiso-C_15:0 was the major fatty acid. Levels of 16S rDNA similarity between strain 324^Tand other Paenibacillus species were 90-6-95-9%. Phylogenetically, strain 324^Tformed an evolutionary lineage distinct from other species within the evolutionary radiation encompassing the genus Paenibacillus. Based on phenotypic and chemotaxonomic properties, and phylogenetic inference, it is proposed that strain 324^Tshould be placed in the genus Paenibacillus as a new species, Paenibacillus campinasensis. The type strain of the new species is strain 324^T(= KCTC 0364BP^T).

Key Words: Paenibacillus campinasensis • alkaliphilic species • 16S rDNA analysis

The GenBank accession number for the sequence reported in this paper is AF021924.

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