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
type i-c crispr-associated endonuclease cas1cCKV83_RS06255Not AvailableNegative1355406 - 135643139585.8
crispr-associated protein cas4CKV83_RS06260Not AvailableNegative1356428 - 135709925741.2
type i-c crispr-associated protein cas7/csd2CKV83_RS06265Not AvailableNegative1357101 - 135794931835.7
type i-c crispr-associated protein cas8c/csd1CKV83_RS06270Not AvailableNegative1357953 - 135983072742.1
type i-c crispr-associated protein cas5cCKV83_RS06275Not AvailableNegative1359830 - 136056728006.8
crispr-associated helicase/endonuclease cas3CKV83_RS06280Not AvailableNegative1360847 - 136325591240.3
hd domain-containing proteinCKV83_RS06285Not AvailableNegative1363454 - 136405323195.4
excinuclease abc subunit uvrbCKV83_RS06290Not AvailableNegative1364063 - 136605175691.2
putative heavy metal-binding proteinCKV83_RS06295Not AvailableNegative1366133 - 136645911392.7
abc transporter substrate-binding protein/permeaseCKV83_RS06300Not AvailablePositive1366865 - 136905779007.8

Displaying genes 1241 – 1250 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.