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
cof-type had-iib family hydrolaseLL14B4_RS00285Not AvailableNegative58077 - 5888930443.0
abc-f family atp-binding cassette domain-containing proteinLL14B4_RS00290Not AvailableNegative59015 - 6065261378.9
hypothetical proteinLL14B4_RS00295Not AvailableNegative60965 - 611687415.33
hypothetical proteinLL14B4_RS00300Not AvailableNegative61190 - 6165717003.7
rgg/gadr/mutr family transcriptional regulatorLL14B4_RS00305Not AvailableNegative61846 - 6267932595.6
o-acetylhomoserine aminocarboxypropyltransferase/cysteine synthase family proteinLL14B4_RS00310Not AvailableNegative62953 - 6423346269.5
sdr family nad(p)-dependent oxidoreductaseLL14B4_RS00315Not AvailableNegative64459 - 6529230821.0
universal stress proteinLL14B4_RS00320Not AvailablePositive65693 - 6616016636.1
duf4649 domain-containing proteinLL14B4_RS00325Not AvailablePositive66288 - 664857287.71
alpha/beta hydrolaseLL14B4_RS00330Not AvailablePositive66516 - 6713623295.7

Displaying genes 321 – 330 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.