Name . The genome of strain KACC 15510 of W.koreensis is most closely related to strain KCTC 3621, sharing 98.76% and 99.48% similarity values which further confirms that both strains belong to the same species [5]. Pseudomonas, Rahnella, Bacillus, Erwinia, Aerobacter, Zymomonas, Streptococcus, L. mesenteroides NRRL B-512F, L. sanfranciscensis LTH 2590, and L. reuteri LB 121 are also capable of producing levan (Freitas et al., 2011; Patel et al., 2012). In addition, W. hellenica, W. paramesenteroides, and W. thailandensis were differentiated by Bce AI digestion (Fig. Dextran is produced by L. mesenteroides, Lactobacilli, and Weisella sp., and the main reason for production may be attributed to the capability of the enzyme dextransucrase to convert sucrose to dextrans (Bejar et al., 2013; Nácher-Vázquez et al., 2015; Shukla et al., 2014). For this reason it is considering a functional food (Lacerda Ramos and Schwan Freitas, 2017). Cheigh Komagata Its mechanism of action is based on the capacity to co-aggregate with F. nucleatum and adhere to epithelial cells, reducing the levels of volatile sulfide components produced by F. nucleatum. C.I. The Weissella species have been increasingly isolated from many food and meat samples. Collins et al. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is increasingly being used for bacterial identification. Weissella ghanensis and W. fabaria, isolated from a traditional fermentation of the Ghanaian cocoa bean, show 99.5% of similarity for the 16S rRNA but are well separated by other analyses, such as whole-cell protein and biochemical tests. Therefore, in this study, we designed an amplified ribosomal DNA restriction analysis (ARDRA) to identify Weissella strains rapidly. Kimchi fermentation is carried out by dynamic populations of Lactobacillus, Leuconostoc and Weissella species [2]. Department of Biological Sciences, Inha University, Incheon 402-751, South Korea. Abbasiliasi et al. [10] Zaunmὒller,T., Eichert, M., Richter, H. and Unden, G. “Variations in the energy metabolism of biotechnologically relevant heterofermentative lactic acid bacteria during growth on sugars and organic acids.” Appl Microbiol Biotechnol, 2006, 72, 421-429. L. lactis subsp. Emendation accompanied by the proposal of 1 new species in the genus. validly published, Number of child taxa with a validly published and correct name: 23 Kefir particles consist of lactic acid bacteria, acetic acid bacteria, and yeasts. For instance, monosaccharides can vary in their anomeric configuration (α- or β-anomer), in stereochemistry (l- or d-chiral forms), and cyclic conformation (pyranose or furanose). Contrary to Leuconostoc in general, however, strains of this species cannot decarboxylate malic acid to lactic acid. K. Nathiely Ramírez-GuzmánCristian Torres-LeónGloria A. Martinez-MedinaOrlando de la RosaAyerim Hernández-AlmanzaO. S.
(, Leisner EPS, produced by Weissella cibaria and Pediococcus pentosaceus, displays a strong reactivity in digestion in the stomach and intestines. (, Walter The EPS type that is produced by Lactobacillus plantarum DM5 inhibits the growth of nonprobiotic bacteria. Desniar et al. Wallbanks D. Weissella. Some strains, e.g., of Streptococcus thermophilus, produce a second type, namely capsular EPS, which are attached to the bacterial cell wall and can only be removed by applying mechanical or thermal stress. L. reuteri LB 121 was reported to produce two different kinds of biopolymers (i.e., levan and reuteran) (Tieking and Gänzle, 2005). However, it is impossible to unequivocally identify these Weissella species by classical phenotypic methods[11]. We use cookies to help provide and enhance our service and tailor content and ads. For rapid and systematic identification of Weissella species, an amplified ribosomal DNA restriction analysis (ARDRA) has been developed. Alternatively, if no additional electron acceptor is available (O2), acetyl phosphate is reduced to form ethanol under anaerobic condition [1][8]. No growth has been shown in 8 or 10% NaCl [6]. In this study, six Weissella isolates were successfully clustered with their type strain, W. hanii or W. kimchii, in a dendrogram constructed by UPGMA analysis of digestion patterns (Fig. C. It has high solubility in water and low viscosity, which enables the biopolymer to be postulated as a low-viscosity texturizer in foods. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. and not with catalase. The morphology of Weissella species varies from spherical or lenticular cells to irregular rods.
In the paper by Padonou et al. K. includes Gram-positive, catalase-negative, and non-endospore forming coccoid or rod-shaped LAB ( Collins et al., 1993; Björkroth et al., 2014 ). Streptococcus salivarius, L. mesenteroides, and L. reuteri are all LAB that are capable of producing levan. The type strain ferments both arabinose and xylose, contrary to the cremoris- and dextranicum-type strains. Collins et al. Jeanmougin J.J. It is now considered to be a new species in the genus, even though it is peripheral on the phylogenetic tree. Higgins [6] Lee, J.S., Lee, K.C., Ahn, J.S., Mheen, T.I., Pyun, Y.R. Therefore, unlike the original ARDRA system detecting all bacterial 16S rDNA by using a general primer set[20], our ARDRA system exclusively detects only Weissella species by PCR as a first procedure. Members of the genus Weissella are Gram-positive, facultative anaerobic, non-motile, heterofermentative, non-spore-forming and acid tolerant [3][6]. W.H. Both strains produce D (-)-lactic acid and gas from glucose [6]. All 44 strains inhibited both Vibrio cholerae and V. parahaemolyticus and 37 also inhibited mesophilic fish spoilage bacterium (Aeromonas sp.). Weissella koreensis is the predominant lactic acid bacteria (LAB) isolated from kimchi, a traditional Korean fermented-vegetable food [7]. These HoPS are mainly synthesized by Streptococcus, Leuconostoc, Lactobacillus, and Weissella spp. The 16S rRNA sequence was very close to that of L. citreum and L. lactis; however, other molecular identification criteria and the percentage of reassociation of DNA was distant enough to classify it as the new species L. holzapfelii. Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Weissella&oldid=962444342, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 June 2020, at 03:14. Given that the dorsum of the tongue and periodontal tissues are the origins of most malodor problems, a candidate probiotic to counter this condition should be able to persist within this particular ecosystem.
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