Streptococcus salivarius SK126

Gram-positiveCocciNon-motileFacultative anaerobe

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Streptococcus

Description

Streptococcus salivarius SK126 is a Gram-positive bacterium characterized by its cocci shape and arrangement in chains or pairs. This species is a facultative anaerobe, indicating that it can grow in both the presence and absence of oxygen, which allows it to thrive in various environments associated with host organisms. Streptococcus salivarius SK126 is non-motile and does not possess flagella, which is consistent with its habitat as a host-associated organism. The bacterium is classified as mesophilic, meaning it grows optimally at moderate temperatures. With a single replicon, Streptococcus salivarius SK126 is a free-living organism that does not form spores. The accession number for this strain is ACLO00000000.1, which provides a reference for further genetic and genomic studies. The ecological significance of Streptococcus salivarius SK126 lies in its role within the microbiome of host organisms, particularly in the human oral cavity. As a member of the commensal bacterial population, it contributes to the maintenance of oral health and may play a role in preventing the colonization of pathogenic bacteria. This underscores the importance of understanding the characteristics and behaviors of such microbes in the context of host-associated ecosystems.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusStreptococcus
SpeciesStreptococcus salivarius
StrainSK126

Profile

Physiology
Gram staining propertiesPositive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranesNot Available
Image of Streptococcus salivarius SK126
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsFacultative anaerobe
Optimal temperatureNot Available
Temperature rangeMesophilic
HabitatHostAssociated
Biotic relationshipFree living
Host(s)Not Available
Cell arrangementChains-Pairs
SporulationNonsporulating
Energy sourceNot Available
PathogenicityNot Available

Genome Summary

Streptococcus salivarius SK126


Gene Summary

Adenine Count

639516 bp

Thymine Count

636270 bp

Guanine Count

414264 bp

Cytosine Count

438282 bp

Genome Length

2128332 bp

Protein-coding Genes

1992 genes

Non-Coding Genes

45 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hypothetical proteinSTRSA0001_0682Q4L2X3Positive73333 - 735126770.6
hypothetical proteinSTRSA0001_0683Not AvailablePositive73517 - 737418287.78
hypothetical proteinSTRSA0001_0684Q9AEU1Positive73780 - 7478138203.6
kxykxgkxw signal domain proteinSTRSA0001_0685Not AvailablePositive75275 - 78429112652.0
hypothetical proteinSTRSA0001_2037Not AvailableNegative78430 - 785624726.99
hypothetical proteinSTRSA0001_2038Not AvailableNegative78644 - 8040162696.4
lpxtg-motif cell wall anchor domain proteinSTRSA0001_2039Not AvailablePositive80355 - 805255904.96
hypothetical proteinSTRSA0001_2040Not AvailableNegative80730 - 8117316586.5
kxykxgkxw signal domain proteinSTRSA0001_2041Not AvailablePositive81800 - 86152160203.0
mucbp domain proteinSTRSA0001_2042Not AvailablePositive86931 - 90914147449.0

Displaying genes 61 – 70 of 2037 in total

Pathways

0 pathways

No pathways found

No metabolic pathways have been associated with this bacterium yet.

Metabolites

93 records
Metabolite IDMetabolite nameStructureCAS number
BASm0000237(R)-4'-phosphopantothenateC9H18NO8PChemical structure of (R)-4'-phosphopantothenateNot available
Average299.2149Da
Monoisotopic299.0770031Da
BASm0000387(6R)-5,10-methylene-5,6,7,8-tetrahydrofolateC20H21N7O6Chemical structure of (6R)-5,10-methylene-5,6,7,8-tetrahydrofolateNot available
Average455.432Da
Monoisotopic455.1564286Da
BASm0000403(S)-acetoinC4H8O2Chemical structure of (S)-acetoinNot available
Average88.1051Da
Monoisotopic88.0524295Da
BASm00006473-hydroxypropanoateC3H5O3Chemical structure of 3-hydroxypropanoateNot available
Average89.071Da
Monoisotopic89.0244176Da
BASm00007164-methylsulfanyl-2-oxobutanoateC5H7O3SChemical structure of 4-methylsulfanyl-2-oxobutanoateNot available
Average147.17Da
Monoisotopic147.012138839Da
BASm0000719chloramphenicol 3-acetateC13H14Cl2N2O6Chemical structure of chloramphenicol 3-acetateNot available
Average365.16Da
Monoisotopic364.0228916Da
BASm00008001,8-diazacyclotetradecane-2,9-dioneC12H22N2O2Chemical structure of 1,8-diazacyclotetradecane-2,9-dioneNot available
Average226.32Da
Monoisotopic226.168127956Da
BASm0001167triphosphateO10P3Chemical structure of triphosphate14127-68-5
Average252.9153Da
Monoisotopic252.8704308Da
BASm0001279(6S)-5-methyl-5,6,7,8-tetrahydrofolateC20H23N7O6Chemical structure of (6S)-5-methyl-5,6,7,8-tetrahydrofolateNot available
Average457.4399Da
Monoisotopic457.1709815Da
BASm0001697(S)-4,5-dihydroxypentane-2,3-dioneC5H8O4Chemical structure of (S)-4,5-dihydroxypentane-2,3-dioneNot available
Average132.1146Da
Monoisotopic132.042258744Da

Displaying 1–10 of 93 metabolites

Health Effects

No health effects information available for this bacterium.