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
helix-turn-helix domain-containing proteinEGV98_04875Not AvailablePositive1000028 - 100053419775.9
phosphatidylserine decarboxylaseEGV98_04880Not AvailablePositive1000528 - 100133130362.6
quinolinate synthase nadaEGV98_04885Not AvailablePositive1001321 - 100233137835.8
carboxylating nicotinate-nucleotide diphosphorylaseEGV98_04890Not AvailablePositive1002331 - 100315230726.5
dna methyltransferaseEGV98_04895Not AvailablePositive1003177 - 100556492773.1
site-specific dna-methyltransferaseEGV98_04905Not AvailablePositive1006752 - 100783141914.4
restriction endonucleaseEGV98_04910Not AvailablePositive1007831 - 100870334625.4
s41 family peptidaseEGV98_04915Not AvailablePositive1008914 - 101029350598.6
sh3 domain-containing proteinEGV98_04920Not AvailablePositive1010363 - 101147842369.9
1-acyl-sn-glycerol-3-phosphate acyltransferaseEGV98_04925Not AvailablePositive1011465 - 101218727656.9

Displaying genes 921 – 930 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