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Taxonomy Citation ID Reference
5137 Leifson, E. "The bacterial flora of distilled and stored water. III. New species of the genera Corynebacterium, Flavobacterium, Spirillum and Pseudomonas." Int. Bull. Bacteriol. Nomencl. Taxon. (1962) 12:161-170. [No PubMed record available.]
2108 Dorofeeva  LV, Subbotin  SA, Evtushenko  LI,     ( 2000 )

Leifsonia poae gen. nov., sp. nov., isolated from nematode galls on Poa annua, and reclassification of 'Corynebacterium aquaticum' Leifson 1962 as Leifsonia aquatica (ex Leifson 1962) gen. nov., nom. rev., comb. nov. and Clavibacter xyli Davis et al. 1984 with two subspecies as Leifsonia xyli (Davis et al. 1984) gen. nov., comb. nov.

International journal of systematic and evolutionary microbiology 50 Pt 1 (N/A)
PMID : 10826825 DOI  :   10.1099/00207713-50-1-371    
Abstract >>
The new genus Leifsonia gen. nov. with two new species, Leifsonia poae sp. nov. (type strain VKM Ac-1401T) and Leifsonia aquatica (ex Leifson 1962) nom. rev., comb. nov. (the type species, with VKM Ac-1400T = DSM 20146T = JCM 1368T as type strain), is proposed to accommodate bacteria found in Poa annua root gall, induced by the nematode Subanguina radicicola, and 'Corynebacterium aquaticum' Leifson 1962. Further, it is proposed to reclassify Clavibacter xyli Davis et al. 1984 with two subspecies in the new genus as Leifsonia xyli (Davis et al. 1984) comb. nov., Leifsonia xyli subsp. xyli (Davis et al. 1984) comb. nov. and Leifsonia xyli subsp. cynodontis (Davis et al. 1984) comb. nov. Members of the proposed genus are characterized by coryneform morphology, peptidoglycans based upon 2,4-diaminobutyric acid, the major menaquinone MK-11, phosphatidylglycerol and diphosphatidylglycerol as principal phospholipids, the high content of anteiso- and iso-branched saturated fatty acids, and a DNA G+C base composition of 66-73 mol%. They form a distinct phylogenetic branch attached to the line of descent of Agromyces spp. The new and reclassified species of the new genus clearly differ from each other phylogenetically and phenetically and can be recognized by their morphologies, the cell wall sugar composition, the requirement of complex media for growth, and numerous physiological characteristics, including the oxidase reaction.
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3178 Suzuki  KI, Suzuki  M, Sasaki  J, Park  YH, Komagata  KK,     ( 1999 )

Leifsonia gen. nov., a genus for 2,4-diaminobutyric acid-containing actinomycetes to accommodate "Corynebacterium aquaticum" Leifson 1962 and Clavibacter xyli subsp. cynodontis Davis et al. 1984.

The Journal of general and applied microbiology 45 (5)
PMID : 12501368
Abstract >>
Corynebacterium aquaticum was first proposed by Leifson in 1962 but not included in the approved lists of bacterial names in 1980. This species has been left from reclassification of the genus Corynebacterium because of the unusual chemotaxonomic characteristics such as 2,4-diaminobutyric acid (DAB) in the peptidoglycan and menaquinones of MK-10 and MK-11. A close relationship of "C. aquaticum" to the genera Agromyces and Rathayibacter has been pointed out from the viewpoint of chemotaxonomic profiles and phylogeny based on the 16S rDNA sequences. An analysis of DAB isomers of the peptidoglycan distinguished "C. aquaticum" clearly from these genera by possessing both L-DAB and D-DAB. We also found that the type strain of Clavibacter xyli subsp. cynodontis and two strains of amine-decomposing bacteria showed the similar chemotaxonomic features and formed a cluster with "C. aquaticum" in the phylogenetic tree based on 16S rDNA sequences in the family Microbacteriaceae. Considering these results, we propose a new genus Leifsonia to accommodate the four strains. The four species, Leifsonia aquatica sp. nov., nom. rev., comb. nov. (type species, type strain=JCM 1368), Leifsonia shinshuensis sp. nov. (type strain=DB102=JCM 10591), Leifsonia naganoensis sp. nov. (type strain=DB103=JCM 10592), and Leifsonia cynodontis comb. nov. (type strain=JCM 9733=ICMP 8790), were proposed here for the strains.
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