Lactococcus lactis subsp. lactis str. 14B4

Gram-positiveCocciNon-motileFacultative anaerobe

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Lactococcus

Description

Lactococcus lactis subsp. lactis str. 14B4 is a Gram-positive, nonsporulating coccus that thrives in various habitats, demonstrating its versatility as a facultative anaerobe. This strain exhibits optimal growth at a temperature of 40.0°C, indicating its preference for warmer environments, which may be reflective of its role in specific fermentation processes. Lactococcus lactis is widely recognized for its application in dairy fermentation, particularly in the production of cheese and other fermented milk products. The facultative anaerobic nature of this organism allows it to adapt to both aerobic and anaerobic conditions, facilitating its survival and metabolic activity in diverse environments. This adaptability may contribute to its prevalence in various industrial fermentation settings, where oxygen levels can fluctuate. The ecological significance of Lactococcus lactis subsp. lactis str. 14B4 lies in its ability to participate in microbial communities involved in food processing, where it can interact with other microorganisms, potentially influencing the flavor, texture, and safety of fermented products. Further research may elucidate its specific interactions within these communities and its contributions to the overall dynamics of fermentation ecosystems.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusLactococcus
SpeciesLactococcus lactis
Strainsubsp. lactis 14B4

Profile

Physiology
Gram staining propertiesPositive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranes1
Image of Lactococcus lactis subsp. lactis str. 14B4
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsFacultative anaerobe
Optimal temperature40
Temperature rangeMesophilic
HabitatMultiple
Biotic relationshipFree living
Host(s)Homo sapiens, Bos taurus, Metazoa
Cell arrangementChains
SporulationNonsporulating
Energy sourceNot Available
PathogenicityNot Available

Genome Summary

Lactococcus lactis subsp. lactis strain 14B4 plasmid p14B4,

Gene Summary

Adenine Count

Not Available

Thymine Count

Not Available

Guanine Count

Not Available

Cytosine Count

Not Available

Genome Length

Not Available

Protein-coding Genes

70 genes

Non-Coding Genes

0 genes

# of Chromosomes/Plasmids

2

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hypothetical proteinLL14B4_RS13030Not AvailablePositive26833 - 2792442726.4
plasmid mobilization proteinLL14B4_RS13035Not AvailablePositive28174 - 2856015371.4
relaxase/mobilization nuclease domain-containing proteinLL14B4_RS13040Not AvailablePositive28557 - 2964842512.9
hypothetical proteinLL14B4_RS13045Not AvailablePositive29794 - 3007511066.1
hypothetical proteinLL14B4_RS13050Not AvailablePositive30092 - 3082928588.9
hypothetical proteinLL14B4_RS13055Not AvailablePositive31078 - 3135010201.9
hypothetical proteinLL14B4_RS13060Not AvailablePositive31430 - 316127387.65
single-stranded dna-binding proteinLL14B4_RS13065Not AvailablePositive31609 - 3206417108.8
dna/rna helicase domain-containing proteinLL14B4_RS13070Not AvailableNegative32941 - 3455163075.5
hypothetical proteinLL14B4_RS13075Not AvailableNegative34858 - 3639060502.3

Displaying genes 31 – 40 of 2659 in total

Metabolites

0 records
Metabolite IDMetabolite nameStructureCAS number
No metabolites foundTry different search terms or mass values.

Displaying 0 metabolites

Health Effects

No health effects information available for this bacterium.