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Leuconostoc gelidum subsp. gasicomitatum LMG 18811

ABSTRACT: Heme-based respiration of Leuconostoc gasicomitatum

PROVIDER: PRJNA176440 | ENA |

REPOSITORIES: ENA

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Heme-based respiration of Leuconostoc gasicomitatum

2013-02-08 | GSE41281 | GEO

Heme-based respiration of Leuconostoc gasicomitatum

Project description:Transcriptonal profiling of Leuconostoc gasicomitatum LMG18811T (wild type) grown in MRS medium with or without heme. Mutant LMG18811T::pSIP1333A (mutating cydB gene which is essential in the respiratory chain) grown in MRS with or without heme. Comparing mutant and wildtype with and without heme. Two-condition experiments with wild type and cydB mutant. 1) wild type with heme vs wild type without heme (HVV), 2) wild type with heme vs mutant with heme (HMHV) 3) mutant with heme vs mutant without heme (MHM) 4) wildtype without heme vs mutant without heme (MV).

2013-02-08 | E-GEOD-41281 | biostudies-arrayexpress

Leuconostoc gelidum subsp. gasicomitatum

Project description:Leuconostoc gasicomitatum overview

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Leuconostoc gelidum subsp. gasicomitatum LMG 18811

Project description:Leuconostoc gasicomitatum LMG 18811 genome sequencing project

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Gene expression of Leuconostoc gasicomitatum LMG18811T during growth on glucose, ribose or inosine

Project description:Comparing of transcriptonal profiling of Leuconostoc gasicomitatum LMG18811T grown in semi-defined medium with different carbon sources (20 mM glucose, ribose, inosine).

2014-11-11 | GSE54273 | GEO

Leuconostoc gelidum subsp. gasicomitatum LMG 18811

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Leuconostoc gelidum subsp. gasicomitatum KG16-1

Project description:Leuconostoc gelidum subsp. gasicomitatum KG16-1 Genome sequencing

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Leuconostoc gelidum subsp. gasicomitatum strain:CBA3613

Project description:Genomic analysis of Leuconostoc gelidum subsp. gasicomitatum CBA3613

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Complete genome sequence of Leuconostoc gelidum subsp. gasicomitatum KG16-1, isolated from vacuum-packaged vegetable sausages.

Project description:Leuconostoc gelidum subsp. gasicomitatum is a predominant lactic acid bacterium (LAB) in spoilage microbial communities of different kinds of modified-atmosphere packaged (MAP) food products. So far, only one genome sequence of a poultry-originating type strain of this bacterium (LMG 18811(T)) has been available. In the current study, we present the completely sequenced and functionally annotated genome of strain KG16-1 isolated from a vegetable-based product. In addition, six other vegetable-associated strains were sequenced to study possible "niche" specificity suggested by recent multilocus sequence typing. The genome of strain KG16-1 consisted of one circular chromosome and three plasmids, which together contained 2,035 CDSs. The chromosome carried at least three prophage regions and one of the plasmids encoded a galactan degradation cluster, which might provide a survival advantage in plant-related environments. The genome comparison with LMG 18811(T) and six other vegetable strains suggests no major differences between the meat- and vegetable-associated strains that would explain their "niche" specificity. Finally, the comparison with the genomes of other leuconostocs highlights the distribution of functionally interesting genes across the L. gelidum strains and the genus Leuconostoc.

| S-EPMC4895993 | biostudies-literature

Multilocus sequence typing of Leuconostoc gelidum subsp. gasicomitatum, a Psychrotrophic lactic acid bacterium causing spoilage of packaged perishable foods.

Project description:Leuconostoc gelidum subsp. gasicomitatum is a psychrotrophic lactic acid bacterium (LAB) that causes spoilage of a variety of modified-atmosphere-packaged (MAP) cold-stored food products. During the past 10 years, this spoilage organism has been increasingly reported in MAP meat and vegetable products in northern Europe. In the present study, the population structure within 252 L. gelidum subsp. gasicomitatum strains was determined based on a novel multilocus sequence-typing (MLST) scheme employing seven housekeeping genes. These strains had been isolated from meat and vegetable sources over a time span of 15 years, and all 68 previously detected pulsed-field gel electrophoresis (PFGE) genotypes were represented. A total of 46 sequence types (STs) were identified, with a majority of the strains (>60%) belonging to three major STs, which were grouped into three clonal complexes (CCs) and 17 singletons by Global Optimal eBURST (goeBURST). The results by Bayesian analysis of population structure (BAPS) mostly correlated with the grouping by goeBURST. Admixture analysis by BAPS indicated a very low level of exchange of genetic material between the subpopulations. Niche specificity was observed within the subpopulations: CC1 and BAPS cluster 1 consisted mostly of strains from a variety of MAP meats, whereas vegetable strains grouped together with strains from MAP poultry within CC2 and BAPS cluster 2. The MLST scheme presented in this study provides a shareable and continuously growing sequence database enabling global comparison of strains associated with spoilage cases. This will further advance our understanding of the microbial ecology of this industrially important LAB.

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