Streptococcus mutans SM6

Gram-positiveCocciNon-motileFacultative anaerobe

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Streptococcus

Description

Streptococcus mutans SM6 is a Gram-positive coccus that typically forms chains or pairs and is optimized for growth at an optimal temperature of 37.0°C. This bacterium is classified as a facultative anaerobe, indicating its capacity to thrive in both aerobic and anaerobic environments, which allows it to adapt to various host-associated habitats. As a member of the Streptococcus genus, S. mutans SM6 is primarily associated with the oral cavity of humans and other mammals, where it plays a significant role in the dental microbiome. Its ability to form biofilms on tooth surfaces contributes to its ecological niche, facilitating its survival and proliferation in the presence of varying oxygen levels. The facultative anaerobic nature of S. mutans SM6 may also confer a competitive advantage over other oral microbes, particularly in environments where oxygen levels fluctuate. This adaptability enhances its persistence in the complex ecosystem of the oral cavity, where it can actively participate in carbohydrate metabolism, particularly the fermentation of sugars, leading to the production of organic acids. Overall, the unique combination of traits in S. mutans SM6 underscores its role as a significant player in oral ecology, with implications for understanding microbial interactions and their consequences for dental health.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusStreptococcus
SpeciesStreptococcus mutans
StrainSM6

Profile

Physiology
Gram staining propertiesPositive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranes1
Image of Streptococcus mutans SM6
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsFacultative anaerobe
Optimal temperature37
Temperature rangeMesophilic
HabitatHostAssociated
Biotic relationshipFree living
Host(s)Not Available
Cell arrangementChains - Pairs
SporulationNot Available
Energy sourceNot Available
PathogenicityNot Available

Genome Summary

Streptococcus mutans SM6 contig112, whole genome shotgun sequence.

Gene Summary

Adenine Count

620090 bp

Thymine Count

619417 bp

Guanine Count

364880 bp

Cytosine Count

356084 bp

Genome Length

1960471 bp

Protein-coding Genes

1933 genes

Non-Coding Genes

33 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
putative endonucleaseSMU82_03446Not AvailableNegative700018 - 70132250564.4
hypothetical proteinSMU82_03451Not AvailableNegative701366 - 70210028773.3
hypothetical proteinSMU82_03456Not AvailablePositive702321 - 70346643326.8
hypothetical proteinSMU82_03461Not AvailableNegative703662 - 70393110395.5
lacxSMU82_03466Not AvailableNegative703951 - 70484734575.0
6-phospho-beta-galactosidaseSMU82_03471Not AvailableNegative705094 - 70650053765.0
pts system, lactose-specific enzyme iibc (eiibc-lac)SMU82_03476Not AvailableNegative706512 - 70821861423.4
pts system, lactose-specific enzyme iia (eiia-lac)SMU82_03481Not AvailableNegative708225 - 70853911399.6
putative pts system, mannitol/fructose-specific, iic componentSMU82_03486Not AvailableNegative708583 - 70998350850.7
putative pts system, mannitol/fructose-specific iib componentSMU82_03491Not AvailableNegative710009 - 71031111038.5

Displaying genes 691 – 700 of 1966 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

No health effects information available for this bacterium.