Helicobacter pylori strain 22345

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 22345 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and presence of flagella, allowing for a unique adaptation to its host-associated habitat. It typically exists as single cells and is classified as free-living, predominantly affecting a range of hosts, including Homo sapiens, various avian species, and other mammals such as rodents and primates. The strain thrives optimally at 37°C, fitting within the mesophilic temperature range. With a single replicon and a bilayered membrane structure, it exhibits specific biological traits that enable it to colonize and persist within the gastric environment of its hosts. Helicobacter pylori strain 22345 is notably associated with a variety of severe health conditions, including chronic gastric inflammation, peptic ulcer disease, and various forms of gastric cancer, such as gastric adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. Additionally, it is linked to other gastrointestinal disorders like GERD and functional dyspepsia. This bacterium can provoke an asymptomatic mucosal inflammatory response, potentially leading to more severe pathologies over time, including atrophic gastritis and intestinal metaplasia. The pathogenicity of H. pylori strain 22345 in humans highlights its ecological significance within the gastric microbiome, where it can influence not only individual health outcomes but also the overall balance of gut flora, potentially impacting disease prevalence and severity in affected populations. Understanding its traits and effects is crucial for developing targeted treatments and preventive measures against the diseases it causes.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 22345

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 22345
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 22345 scaffold43.1, whole genome

Gene Summary

Adenine Count

506945 bp

Thymine Count

508755 bp

Guanine Count

320927 bp

Cytosine Count

325411 bp

Genome Length

1665219 bp

Protein-coding Genes

1503 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hypothetical proteinEGV98_00305Not AvailableNegative57646 - 5794210957.8
fibronectin-binding domain-containing proteinEGV98_00310Not AvailableNegative57961 - 5926851063.5
dna repair protein recnEGV98_00315Not AvailableNegative59265 - 6083959526.0
nad(+)/nadh kinaseEGV98_00320Not AvailableNegative60852 - 6170631765.5
outer membrane proteinEGV98_00325Not AvailablePositive61891 - 6261926769.6
duf262 domain-containing proteinEGV98_00330Not AvailableNegative62630 - 6443570228.9
alanine dehydrogenaseEGV98_00335Not AvailableNegative64557 - 6569941072.1
amino acid permeaseEGV98_00340Not AvailablePositive65900 - 6732751779.6
arginaseEGV98_00345Not AvailablePositive67340 - 6830837021.9
ligand-gated channelEGV98_00350Not AvailablePositive68823 - 7135194742.4

Displaying genes 61 – 70 of 1545 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