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
sdr family oxidoreductaseLL14B4_RS00585Not AvailableNegative111535 - 11232028562.4
tetr/acrr family transcriptional regulatorLL14B4_RS00590Not AvailablePositive112432 - 11297721319.6
alpha-amylase family glycosyl hydrolaseLL14B4_RS00595Not AvailableNegative113058 - 11500475435.8
hypothetical proteinLL14B4_RS00600Not AvailableNegative115132 - 11545212329.1
spaa isopeptide-forming pilin-related proteinLL14B4_RS00605Not AvailablePositive115926 - 121877216671.0
Trna-thrNot AvailableNot AvailablePositive122175 - 122247Not Available
trna guanosine(34) transglycosylase tgtLL14B4_RS00615Not AvailableNegative122310 - 12345843326.9
duf975 family proteinLL14B4_RS00620Not AvailablePositive123650 - 12434225506.6
mfs transporterLL14B4_RS00625Not AvailableNegative124403 - 12558443477.0
coa-binding proteinLL14B4_RS00630Not AvailableNegative125765 - 12620216601.9

Displaying genes 381 – 390 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.