Helicobacter pylori strain B345

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B345 is a microaerophilic, gram-negative bacterium characterized by its spirilla shape and presence of flagella. It exists as single cells and is notable for its habitat, which is closely associated with various hosts, including Homo sapiens, Gallus gallus, and several other mammalian and avian species. This strain has a mesophilic temperature range, with an optimal growth temperature of 37°C. Strain B345 is free-living and possesses a unique cellular structure, featuring two membranes and a single replicon. The pathogenicity of this strain is particularly concerning, as it is linked to a range of gastrointestinal diseases and conditions, including chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. Additionally, it can contribute to conditions like gastroesophageal reflux disease (GERD) and functional dyspepsia. The health effects associated with H. pylori strain B345 demonstrate its significant impact on human health, particularly in relation to gastric disorders. The bacterium's ability to induce chronic inflammation and its association with cancer highlight the importance of understanding its ecological role within the human microbiome. The presence of H. pylori in diverse hosts suggests a complex biotic relationship that may influence disease outcomes across different species, reinforcing the need for ongoing research into its pathogenic mechanisms and potential treatment strategies.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B345

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B345
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 B345 scaffold_45, whole genome shotgun

Gene Summary

Adenine Count

498603 bp

Thymine Count

502524 bp

Guanine Count

316437 bp

Cytosine Count

321193 bp

Genome Length

1638825 bp

Protein-coding Genes

1495 genes

Non-Coding Genes

43 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
septal ring lytic transglycosylase rlpa family lipoproteinDD794_00050Not AvailableNegative7663 - 860735484.1
lytic transglycosylaseDD794_00055Not AvailableNegative8607 - 972543021.7
hydrolase tatdDD794_00060Not AvailableNegative9809 - 1057329124.8
riboflavin synthaseDD794_00065Not AvailablePositive10648 - 1126822774.4
flhb-like flagellar biosynthesis proteinDD794_00070Not AvailablePositive11269 - 115419954.13
methionine abc transporter atp-binding proteinDD794_00075Not AvailablePositive11563 - 1254636555.8
abc transporter permeaseDD794_00080Not AvailablePositive12548 - 1319523343.8
Ncrna_class:rnase_p_rnaNot AvailableNot AvailablePositive13093 - 13408Not Available
hypothetical proteinDD794_00085Not AvailableNegative13387 - 1381816389.0
pap2 family proteinDD794_00090Not AvailableNegative13828 - 1442422131.1

Displaying genes 11 – 20 of 1538 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