Helicobacter pylori strain G272

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain G272 is a microaerophilic, Gram-negative bacterium characterized by its spirilla shape and presence of flagella, facilitating its mobility in host-associated environments. The organism typically exists as single cells and thrives optimally at 37°C, classifying it as mesophilic. It possesses a unique biotic relationship, being free-living while also associating with various hosts, including Homo sapiens, Gallus gallus, and several other species across Aves, Primates, and Mammalia. Strain G272 is significant due to its association with a range of health effects, predominantly linked to gastrointestinal diseases. It is known to cause chronic gastric inflammation, peptic ulcer disease, and various forms of gastric cancer, including gastric adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. Additionally, it can lead to conditions such as gastritis, GERD, and functional dyspepsia. The pathogenicity of H. pylori strain G272 is primarily evident in humans, where it contributes to severe health issues, including chronic gastritis and gastric ulcers. The organism's ability to persist in the gastric environment and induce inflammatory responses underscores its role in the development of more serious conditions, like gastric cancer. Understanding the ecological dynamics of H. pylori strain G272 in its host-associated habitat can provide insights into its pathogenic mechanisms and potential therapeutic targets for related gastrointestinal diseases, highlighting the importance of continued research in microbial pathogenesis.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain G272

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain G272
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsMicroaerophilic
Optimal temperature37
Temperature rangeMesophilic
HabitatHostAssociated
Biotic relationshipFree living
Host(s)Homo sapiens, Gallus gallus, Aves
Cell arrangementSingles
SporulationNot Available
Energy sourceNot Available
PathogenicityHuman

Genome Summary

Helicobacter pylori strain G272 chromosome, complete genome.

Gene Summary

Adenine Count

484663 bp

Thymine Count

478976 bp

Guanine Count

308869 bp

Cytosine Count

303625 bp

Genome Length

1576133 bp

Protein-coding Genes

1485 genes

Non-Coding Genes

46 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
j domain-containing proteinCGC32_RS00810Not AvailableNegative165053 - 16581429826.5
trna 2-thiouridine(34) synthase mnmaCGC32_RS00815Not AvailablePositive165955 - 16698338321.5
duf262 domain-containing proteinCGC32_RS00820Not AvailableNegative167044 - 16773125049.4
hypothetical proteinCGC32_RS00825Not AvailableNegative167933 - 16906343605.7
molecular chaperone dnajCGC32_RS00830Not AvailablePositive169188 - 17029741979.9
azaleucine resistance protein azlcCGC32_RS00835Not AvailablePositive170308 - 17099425896.4
branched-chain amino acid transporter permeaseCGC32_RS00840Not AvailablePositive170988 - 17133513242.9
efflux rnd transporter permease subunitCGC32_RS00845Not AvailableNegative171332 - 174445115608.0
efflux rnd transporter periplasmic adaptor subunitCGC32_RS00850Not AvailableNegative174446 - 17548039347.8
copper resistance outer membrane protein crdbCGC32_RS00855Not AvailableNegative175477 - 17671547243.1

Displaying genes 161 – 170 of 1531 in total

Pathways

0 pathways

No pathways found

No metabolic pathways have been associated with this bacterium yet.

Metabolites

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

Displaying 0 metabolites

Health Effects

Health ConditionRelationReference
Chronic gastric inflammationCausesPMC10226649
Gastric cancerCausesPMC10226649
Gastric ulcersCausesPMC10420633
Stomach carcinomaCausesPMC10420633
UlcersCausesPMC10420633
AdenocarcinomaCausesPMC10420633
Mucosa-associated lymphoid tissue lymphomaCausesPMC10420633
GerdCausesPMC10712878
GastritisCausesPMC10712878
Gastric cancerCausesPMC10732068

Displaying health effects 1 – 10 of 94 in total