Knoellia aerolata sp. nov., isolated from an air sample in Korea.
An aerobic, Gram-positive, non-motile, non-spore-forming, rod-coccus-shaped bacterium, strain 5317S-21(T), was isolated from an air sample from Suwon city, Republic of Korea. The isolate was able to grow within a pH range of 5.0-9.0 and a temperature range of 5-35 degrees C and it tolerated up to 2 % (w/v) NaCl. The cell-wall peptidoglycan contained meso-diaminopimelic acid as diagnostic diamino acid. The predominant isoprenoid quinone was MK-8(H(4)). The major polar lipids were phosphatidylinositol, phosphatidylethanolamine and diphosphatidylglycerol; phosphatidylglycerol and several unknown phospholipids were also detected. Mycolic acids were absent. The only whole-cell sugar was glucose. The major cellular fatty acids were iso-C(16 : 0), C(17 : 1)omega8c and iso-C(15 : 0). 16S rRNA gene sequence analysis indicated that strain 5317S-21(T) was related phylogenetically to members of the genus Knoellia, with 97.4 % sequence similarity to the type strains of Knoellia sinensis and Knoellia subterranea. The G+C content of the genomic DNA of strain 5317S-21(T) was 73 mol%. Levels of DNA-DNA relatedness between strain 5317S-21(T) and the type strains of Knoellia sinensis and Knoellia subterranea were 37 and 41 %, respectively. It was concluded that strain 5317S-21(T) represents a novel species of the genus Knoellia, for which the name Knoellia aerolata sp. nov. is proposed. The type strain is 5317S-21(T) (=KACC 20583(T) =DSM 18566(T)).
Applied Microbiology Division, National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon 441-707, Republic of Korea.
Hang-Yeon
HY
Weon
KACC - Korean Agricultural Culture Collection, Microbial Genetics Division, National Institute of Agricultural Biotechnology, Rural Development Administration, Suwon 441-707, Republic of Korea.
Byung-Yong
BY
Kim
DSMZ - Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstrasse 7b, D-38124 Braunschweig, Germany.
Peter
P
Schumann
DSMZ - Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstrasse 7b, D-38124 Braunschweig, Germany.
Reiner M
RM
Kroppenstedt
Applied Microbiology Division, National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon 441-707, Republic of Korea.
Hyung-Jun
HJ
Noh
Soil Management Division, National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon 441-707, Republic of Korea.
Chan-Won
CW
Park
KACC - Korean Agricultural Culture Collection, Microbial Genetics Division, National Institute of Agricultural Biotechnology, Rural Development Administration, Suwon 441-707, Republic of Korea.
Soon-Wo
SW
Kwon
D000192:Actinomycetales / Q000737:chemistry / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification*; D000391:Air Microbiology; D015373:Bacterial Typing Techniques; D001482:Base Composition; D002241:Carbohydrates / Q000032:analysis; D002473:Cell Wall / Q000737:chemistry; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics; D003960:Diaminopimelic Acid / Q000032:analysis; D005227:Fatty Acids / Q000032:analysis; D020459:Genes, rRNA; D006863:Hydrogen-Ion Concentration; D007723:Korea; D008124:Locomotion / Q000502:physiology; D008969:Molecular Sequence Data; D009171:Mycolic Acids / Q000032:analysis; D009693:Nucleic Acid Hybridization; D010743:Phospholipids / Q000032:analysis; D010802:Phylogeny; D011809:Quinones / Q000032:analysis; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D012689:Sequence Homology, Nucleic Acid; D012965:Sodium Chloride / Q000378:metabolism; D013171:Spores, Bacterial / Q000166:cytology; D013696:Temperature
D002241:Carbohydrates; D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D005227:Fatty Acids; D009171:Mycolic Acids; D010743:Phospholipids; D011809:Quinones; D012336:RNA, Ribosomal, 16S; D012965:Sodium Chloride; D003960:Diaminopimelic Acid