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
flagellar m-ring protein flifDDP49_05165Not AvailableNegative1052782 - 105448563523.9
hypothetical proteinDDP49_05170Not AvailableNegative1054529 - 105519124141.4
ctp synthetaseDDP49_05175Not AvailablePositive1055452 - 105706860721.7
single-stranded-dna-specific exonuclease recjDDP49_05180Not AvailablePositive1057078 - 105862858363.0
rna pseudouridine synthaseDDP49_05185Not AvailablePositive1058628 - 105950933614.2
hypothetical proteinDDP49_05190Not AvailableNegative1059677 - 106023722080.9
hypothetical proteinDDP49_05195Not AvailableNegative1060221 - 106055913580.4
hcpa family proteinDDP49_05200Not AvailableNegative1060746 - 106154028998.2
holliday junction resolvase ruvxDDP49_05205Not AvailableNegative1061672 - 106207615228.5
dna-protecting protein dpraDDP49_05210Not AvailableNegative1062073 - 106287329833.5

Displaying genes 971 – 980 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