Lactococcus cremoris

Gram-positiveCocciNon-motileFacultative anaerobe

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Lactococcus

Description

Lactococcus cremoris is a Gram-positive, nonsporulating coccus that exhibits facultative anaerobic metabolism, thriving optimally at a temperature of 40.0°C. This bacterium is notable for its presence in various habitats, reflecting its versatile adaptability to different environmental conditions. As a member of the lactic acid bacteria, L. cremoris plays a crucial role in dairy fermentation processes, where it is commonly utilized in the production of cheese and other fermented dairy products. Its ability to ferment lactose and produce lactic acid contributes to the preservation and flavor development in these products. The facultative anaerobic nature of L. cremoris allows it to grow in both the presence and absence of oxygen, which is advantageous for its survival in diverse environments, from dairy processing facilities to natural ecosystems. This adaptability may also facilitate its utilization in various biotechnological applications, including probiotics and fermentation technologies. In summary, L. cremoris exemplifies the ecological versatility of lactic acid bacteria, highlighting its significance not only in food production but also in potential applications in bioprocessing and environmental microbiology.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusLactococcus
SpeciesLactococcus cremoris
StrainNo strain

Profile

Physiology
Gram staining propertiesPositive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranes1
Image of Lactococcus cremoris
AI-generated image based on bacteria physiology
Ecology, Host, and Life Cycle
Oxygen requirementsFacultative anaerobe
Optimal temperature40
Temperature rangeMesophilic
HabitatMultiple
Biotic relationshipFree living
Host(s)Homo sapiens
Cell arrangementNot Available
SporulationNonsporulating
Energy sourceNot Available
PathogenicityHuman

Genome Summary

Lactococcus cremoris strain NCDO763 contig_68, whole genome

Gene Summary

Adenine Count

809399 bp

Thymine Count

791334 bp

Guanine Count

452188 bp

Cytosine Count

432765 bp

Genome Length

2485686 bp

Protein-coding Genes

2458 genes

Non-Coding Genes

158 genes

# of Chromosomes/Plasmids

4

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
two component system histidine kinaseP7266_1880Not AvailableNegative1883557 - 188491850912.1
two component system response regulator ciarP7266_1881Not AvailableNegative1885002 - 188567025476.9
maltose operon transcriptional repressor malr laci familyP7266_1882Not AvailableNegative1885848 - 188682236431.6
maltose phosphorylase / trehalose phosphorylaseP7266_1883Not AvailableNegative1886968 - 188922986732.2
alpha-glucosidaseP7266_1884Not AvailableNegative1889245 - 189085262271.4
maltose o-acetyltransferaseP7266_1885Not AvailableNegative1890842 - 189144722323.8
glucan 16-alpha-glucosidaseP7266_1886Not AvailableNegative1891468 - 189306361906.7
neopullulanaseP7266_1887Not AvailableNegative1893148 - 189490267744.5
maltose/maltodextrin abc transporter substrate binding periplasmic protein maleP7266_1888Not AvailablePositive1895210 - 189643343410.8
maltose/maltodextrin abc transporter permease protein malfP7266_1889Not AvailablePositive1896512 - 189789451468.7

Displaying genes 4491 – 4500 of 7013 in total

Pathways

0 pathways

No pathways found

No metabolic pathways have been associated with this bacterium yet.

Metabolites

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

Displaying 0 metabolites

Health Effects

Health ConditionRelationReference
Infectious endocarditisCausesPMC10064683
Human infectionsCausesPMC10064683

Displaying health effects 1 – 2 of 2 in total