Helicobacter pylori strain B464A

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B464A is a microaerophilic, Gram-negative bacterium characterized by its spiral shape and presence of flagella. This strain is predominantly found in association with hosts, including Homo sapiens, Gallus gallus, and various other mammals and birds. It exists as single cells and has a mesophilic temperature range, with an optimal growth temperature of 37°C. The pathogenicity of H. pylori B464A is significant, as it is linked to various serious health conditions, including chronic gastric inflammation, gastric ulcers, and several forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. In addition to these serious health implications, the bacterium can also lead to functional dyspepsia and other gastrointestinal diseases. H. pylori B464A's biotic relationships are primarily free-living, allowing it to thrive in the gastric environment of its hosts. The bacterium's ability to adapt and survive in the acidic conditions of the stomach contributes to its role in gastrointestinal pathologies. Its pathogenic effects underscore the importance of understanding H. pylori in the context of human health and disease, particularly regarding its association with gastric cancer and other serious gastrointestinal disorders. The presence of this strain in a variety of hosts indicates a broader ecological significance, suggesting that H. pylori may play a role in the microbial dynamics of gastric environments across different species.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B464A

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B464A
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 B464A scaffold_60, whole genome shotgun

Gene Summary

Adenine Count

502961 bp

Thymine Count

504933 bp

Guanine Count

317371 bp

Cytosine Count

323721 bp

Genome Length

1649000 bp

Protein-coding Genes

1506 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
molecular chaperone dnakDDP49_00315Not AvailableNegative61831 - 6369367112.9
nucleotide exchange factor grpeDDP49_00320Not AvailableNegative63724 - 6429922162.4
hrca family transcriptional regulatorDDP49_00325Not AvailableNegative64299 - 6512932142.8
hypothetical proteinDDP49_00330Not AvailablePositive65339 - 6597724825.7
hypothetical proteinDDP49_00335Not AvailablePositive65998 - 6629410989.3
motility accessory factorDDP49_00340Not AvailableNegative66305 - 6819172486.8
flagellin bDDP49_00345Not AvailableNegative68249 - 6979353973.4
type i dna topoisomeraseDDP49_00350Not AvailablePositive69959 - 7216983144.3
radical sam proteinDDP49_00355Not AvailablePositive72162 - 7308834361.3
hypothetical proteinDDP49_00360Not AvailableNegative73231 - 733594629.57

Displaying genes 61 – 70 of 1548 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