Streptococcus merionis

CocciNon-motile

Kingdom

Bacillati

Phylum

Bacillota

Class

Bacilli

Order

Lactobacillales

Family

Streptococcaceae

Genus

Streptococcus

Description

Streptococcus merionis is a Gram-positive, spherical-shaped microbe that thrives in mesophilic temperatures, classified as a chemoheterotroph, and can be found in various body sites such as the skin, respiratory, and gastrointestinal tracts of humans and animals, and is a facultative anaerobe. As a Gram-positive microbe, Streptococcus merionis has a thick peptidoglycan layer in its cell wall, which provides rigidity and maintains its spherical shape. Its mesophilic temperature preference allows it to grow optimally in temperatures between 20-45°C, making it well-suited to inhabit various environments. As a chemoheterotroph, Streptococcus merionis relies on external sources of organic compounds for energy and carbon, which it obtains by breaking down complex molecules into simpler ones. This microbe can colonize multiple body sites, including the skin, respiratory, and gastrointestinal tracts, where it can coexist with other microbes. Its ability to thrive in both aerobic and anaerobic conditions makes it a facultative anaerobe, allowing it to adapt to changing environmental conditions. Streptococcus merionis has been isolated from various hosts, including rodents, and has been implicated in diseases such as abscesses and septicemia. The unique ability of Streptococcus merionis to form biofilms and produce virulence factors makes it a significant concern in healthcare settings, and research into its pathogenesis and treatment is ongoing, with studies focusing on the development of novel therapeutic strategies to combat infections caused by this microbe.

Taxonomy

KingdomBacillati
PhylumBacillota
ClassBacilli
OrderLactobacillales
FamilyStreptococcaceae
GenusStreptococcus
SpeciesStreptococcus merionis
StrainNo strain

Profile

Physiology
Gram staining propertiesGram-positive
ShapeCocci
MobilityNo
Flagellar presenceYes
Number of membranesNot Available
Image of Streptococcus merionis
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsNot Available
Optimal temperature29
Temperature rangemesophilic
HabitatNot Available
Biotic relationshipNot Available
Host(s)Meriones unguiculatus
Cell arrangementNot Available
SporulationNonsporulating
Energy sourceChemoheterotroph
PathogenicityNot Available

Genome Summary

Streptococcus merionis strain NCTC13788 chromosome 1, complete

Gene Summary

Adenine Count

695572 bp

Thymine Count

693122 bp

Guanine Count

494286 bp

Cytosine Count

501148 bp

Genome Length

2384128 bp

Protein-coding Genes

2160 genes

Non-Coding Genes

68 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
serine--trna ligaseCKV83_RS08355Not AvailablePositive1798569 - 179984347542.4
acetyl-coa carboxylase carboxyl transferase subunit alphaCKV83_RS08360Not AvailableNegative1800006 - 180077628260.2
acetyl-coa carboxylase, carboxyltransferase subunit betaCKV83_RS08365Not AvailableNegative1800773 - 180163931664.4
acetyl-coa carboxylase biotin carboxylase subunitCKV83_RS08370Not AvailableNegative1801888 - 180325249291.8
3-hydroxyacyl-acp dehydratase fabzCKV83_RS08375Not AvailableNegative1803456 - 180393517622.6
acetyl-coa carboxylase biotin carboxyl carrier proteinCKV83_RS08380Not AvailableNegative1803932 - 180440516435.7
beta-ketoacyl-acp synthase iiCKV83_RS08385Not AvailableNegative1804406 - 180563843710.0
3-oxoacyl-[acyl-carrier-protein] reductaseCKV83_RS08390Not AvailableNegative1805819 - 180655025578.1
acp s-malonyltransferaseCKV83_RS08395Not AvailableNegative1806707 - 180763333282.5
enoyl-[acyl-carrier-protein] reductase fabkCKV83_RS08400Not AvailableNegative1807626 - 180860634155.1

Displaying genes 1661 – 1670 of 2228 in total

Pathways

0 pathways

No pathways found

No metabolic pathways have been associated with this bacterium yet.

Metabolites

3 records
Metabolite IDMetabolite nameStructureCAS number
BASm0014032Acetic acidC2H4O2Chemical structure of Acetic acid64-19-7
Average60.052Da
Monoisotopic60.021129372Da
BASm0014033AmmoniaH3NChemical structure of Ammonia7664-41-7
Average17.0305Da
Monoisotopic17.026549101Da
BASm0014039L-Lactic acidC3H6O3Chemical structure of L-Lactic acid79-33-4
Average90.0779Da
Monoisotopic90.031694058Da

Displaying 1–3 of 3 metabolites

Health Effects

No health effects information available for this bacterium.