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
glutamyl-trna reductaseDD794_01350Not AvailableNegative264931 - 26628051801.0
polyprenyl synthetaseDD794_01355Not AvailableNegative266280 - 26720335037.7
hypothetical proteinDD794_01360Not AvailableNegative267212 - 26760715469.8
duf2018 domain-containing proteinDD794_01365Not AvailableNegative267600 - 26788411132.4
dna starvation/stationary phase protection proteinDD794_01370Not AvailableNegative267905 - 26833916809.1
two-component sensor histidine kinaseDD794_01375Not AvailableNegative268544 - 26968943847.7
hypothetical proteinDD794_01380Not AvailableNegative269686 - 27000312171.7
flagellar biosynthesis protein flgiDD794_01385Not AvailableNegative270000 - 27102836553.7
atp-dependent helicaseDD794_01390Not AvailablePositive271216 - 27269455882.5
hypothetical proteinDD794_01395Not AvailablePositive272715 - 27380340030.5

Displaying genes 261 – 270 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