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
fumarate reductase flavoprotein subunitDD794_01100Not AvailableNegative214380 - 21652480185.9
fumarate reductase cytochrome subunit bDD794_01105Not AvailableNegative216534 - 21730128845.8
triose-phosphate isomeraseDD794_01110Not AvailablePositive217514 - 21821826518.2
enoyl-[acyl-carrier-protein] reductase fabiDD794_01115Not AvailablePositive218228 - 21906130232.4
udp-3-o-(3-hydroxymyristoyl)glucosamine n-acyltransferaseDD794_01120Not AvailablePositive219061 - 22007136593.3
methionine adenosyltransferaseDD794_01125Not AvailablePositive220136 - 22129342422.6
nucleoside-diphosphate kinaseDD794_01130Not AvailablePositive221359 - 22177215316.6
hypothetical proteinDD794_01135Not AvailablePositive221798 - 22215413404.0
50s ribosomal protein l32DD794_01140Not AvailablePositive222170 - 2223165646.94
phosphate acyltransferase plsxDD794_01145Not AvailablePositive222390 - 22341236605.5

Displaying genes 211 – 220 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