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
trax family proteinCKV83_RS00700Not AvailableNegative151188 - 15195829527.7
flavodoxinCKV83_RS00705Not AvailableNegative152248 - 15269115877.2
dhh family phosphoesteraseCKV83_RS00710Not AvailablePositive152897 - 15382934654.1
fad:protein fmn transferaseCKV83_RS00715Not AvailablePositive153826 - 15476434442.6
type b 50s ribosomal protein l31CKV83_RS00720Not AvailablePositive154855 - 1550979325.02
recombinase family proteinCKV83_RS00725Not AvailablePositive155300 - 15598325987.6
lpxtg cell wall anchor domain-containing proteinCKV83_RS00730Not AvailablePositive156205 - 15804065404.4
ftsw/roda/spove family cell cycle proteinCKV83_RS00735Not AvailablePositive158644 - 15986745286.9
dj-1 family glyoxalase iiiCKV83_RS00740Not AvailablePositive160067 - 16061519476.3
had-ia family hydrolaseCKV83_RS00745Not AvailablePositive160710 - 16127321186.8

Displaying genes 141 – 150 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.