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Title: Lactobacillus ceti sp. nov., isolated from beaked whales (Ziphius cavirostris)
Authors: Vela Alonso, Ana Isabel
Fernández Rodríguez, Antonio Jesús 
Espinosa De Los Monteros Y Zayas, Antonio 
Goyache Goñi, Joaquín
Herráez Thomas, Pedro Manuel 
Tames, B.
Cruz López, Fátima
Domínguez Rodríguez, Lucas José
Fernández-Garayzabal Fernández, José Francisco
UNESCO Clasification: 241404 Bacteriología
310905 Microbiología
240119 Zoología marina
240118 Mamíferos
Keywords: Lactic-Acid Bacteria
Lactobacillus ceti sp. nov.
Beaked whales
Ziphius cavirostris
Issue Date: 2008
Publisher: 1466-5026
Journal: International Journal of Systematic and Evolutionary Microbiology 
Abstract: Biochemical and molecular genetic studies were performed on three isolates of an unknown Gram-positive, catalase-negative and rod-shaped organism isolated from the lungs and liver of two beaked whales. The organisms were tentatively identified as Lactobacillus spp. based on cellular morphology and biochemical tests. 16S rRNA gene sequencing studies confirmed the provisional identification of the novel isolates as members of the genus Lactobacillus, but the isolates did not correspond to any recognized species of this genus. The novel strains shared the same phenotypic characteristics and exhibited 100 % 16S rRNA gene sequence similarity. The nearest phylogenetic relatives of the novel isolates were Lactobacillus satsumensis DSM 16230(T) (94.2 % 16S rRNA gene sequence similarity), Lactobacillus salivarius JCM 1047 (94.0 %), Lactobacillus nagelii ATCC 700692(T) (94.0 %) and Lactobacillus saerimneri DSM 16049(T) (93.8 %). The novel isolates could be distinguished from these species and other related species of the genus Lactobacillus by physiological and biochemical tests. On the basis of these phenotypic, physiological and phylogenetic findings, it is proposed that the new isolates from whales be classified as a novel species of the genus Lactobacillus, Lactobacillus ceti sp. nov. The type strain is 142-2(T) (=CECT 7185(T)=CCUG 53626(T)).
ISSN: 1466-5026
DOI: 10.1099/ijs.0.65372-0
Source: International Journal of Systematic and Evolutionary Microbiology [ISSN 1466-5026], v. 58 (4), p. 891-894
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