Streptococcus mitis str. SK629

Gram-positiveCocciNon-motileFacultative anaerobe

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Streptococcus

Description

Streptococcus mitis str. SK629 is a Gram-positive coccus that typically forms chains or pairs, reflecting its characteristic arrangement. As a nonsporulating bacterium, it relies on its ability to thrive in host-associated environments, suggesting a close relationship with its biological hosts. This strain exhibits facultative anaerobic metabolism, allowing it to adapt to varying oxygen conditions, which is beneficial for survival in diverse microenvironments within the host. Streptococcus mitis is generally regarded as a commensal organism, often found in the oral cavity and respiratory tract of humans and other mammals. Its presence in these habitats may play a role in maintaining the balance of the microbiota, potentially influencing host health by competing with pathogenic microorganisms. Understanding the metabolic flexibility and ecological interactions of S. mitis str. SK629 can provide insights into its role in microbial communities, as well as its potential contributions to host-associated processes such as immune modulation or nutrient cycling. Further research could explore the specific functions and interactions of this strain within the complex ecosystem of the host microbiome.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusStreptococcus
SpeciesStreptococcus mitis
StrainSK629

Profile

Physiology
Gram staining propertiesPositive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranes1
Image of Streptococcus mitis str. SK629
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsFacultative anaerobe
Optimal temperatureNot Available
Temperature rangeMesophilic
HabitatHostAssociated
Biotic relationshipFree living
Host(s)Homo sapiens
Cell arrangementChains-Pairs
SporulationNonsporulating
Energy sourceNot Available
PathogenicityNot Available

Genome Summary

Streptococcus mitis strain SK629 gsmSK629.contig.26_1, whole

Gene Summary

Adenine Count

662669 bp

Thymine Count

678401 bp

Guanine Count

423756 bp

Cytosine Count

448872 bp

Genome Length

2213700 bp

Protein-coding Genes

2100 genes

Non-Coding Genes

113 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
ld-carboxypeptidase family proteinSK629_2029Not AvailablePositive2035027 - 203606439308.0
mtn3/saliva family proteinSK629_2030Not AvailablePositive2036166 - 20364299497.99
methyladenine glycosylase family proteinSK629_2031Not AvailableNegative2036514 - 203707721494.4
holliday junction dna helicase ruvaSK629_2032Not AvailableNegative2037087 - 203768021737.4
riboflavin biosynthesis protein ribdSK629_2033Not AvailablePositive2038085 - 203918540510.2
riboflavin synthase, alpha subunitSK629_2034Not AvailablePositive2039170 - 203980523218.0
gtp cyclohydrolase iiSK629_2035Not AvailablePositive2039825 - 204103045238.7
6,7-dimethyl-8-ribityllumazine synthaseSK629_2036Not AvailablePositive2041031 - 204149816726.2
dna mismatch repair mutl family proteinSK629_2037Not AvailableNegative2041809 - 204375873391.0
lyttr dna-binding domain proteinSK629_2038Not AvailablePositive2044069 - 204450917101.7

Displaying genes 2031 – 2040 of 2213 in total

Metabolites

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

Displaying 0 metabolites

Health Effects

Health ConditionRelationReference
Invasive streptococcal diseaseCausesPMC9328907
EndocarditisCausesPMC2828477
S. mitis meningitisCausesPMC2828477
EndocarditisCausesPMC3279804
PeritonitisCausesPMC7747055
Infective endocarditisCausesPMC3178606
Subacute infective endocarditisCausesPMC3178606

Displaying health effects 1 – 7 of 7 in total