Helicobacter pylori str. 2021

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori str. 2021 is a Gram-negative, microaerophilic bacterium characterized by its spiral shape and single-cell arrangement. This strain thrives optimally at a temperature of 37.0°C, which aligns with its adaptation to a host-associated habitat, notably within the human gastric environment. The microaerophilic nature of H. pylori str. 2021 indicates its requirement for reduced oxygen concentrations, which is typical for organisms residing in the stomach, where oxygen levels are significantly lower than in the atmosphere. H. pylori is well-known for its role in the gastric microbiome, often colonizing the stomach lining and influencing gastric physiology. The unique morphology of this strain, coupled with its specific oxygen requirements, facilitates its survival and colonization in the acidic gastric niche. The presence of H. pylori str. 2021 within the host-associated environment suggests potential interactions with the host's immune system and microbiome, which may play a role in maintaining gastric homeostasis or contributing to dysbiosis in certain conditions. In summary, H. pylori str. 2021 exemplifies the intricate adaptations of microorganisms to their specific ecological niches, highlighting the balance between microbial survival strategies and host interactions in the complex environment of the human stomach.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strain2021

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori str. 2021
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 2021 scaffold_9, whole genome shotgun

Gene Summary

Adenine Count

514280 bp

Thymine Count

512681 bp

Guanine Count

323576 bp

Cytosine Count

327977 bp

Genome Length

1678514 bp

Protein-coding Genes

1470 genes

Non-Coding Genes

44 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
flagellar biosynthesis protein flgmBB468_06730Not AvailablePositive845736 - 8459397522.02
dna (cytosine-5-)-methyltransferaseBB468_06735Not AvailablePositive846092 - 84703035875.4
hypothetical proteinBB468_06740Not AvailablePositive847161 - 84759516786.2
flagellar hook-associated protein flgkBB468_06745Not AvailablePositive847597 - 84941768384.8
gamma-glutamyltransferaseBB468_06750Not AvailablePositive849605 - 85130861082.8
hypothetical proteinBB468_06755Not AvailablePositive851552 - 85232229093.7
hypothetical proteinBB468_06765Not AvailablePositive855294 - 85601027110.8
excinuclease abc subunit bBB468_06770Not AvailablePositive856079 - 85805576026.7
hypothetical proteinBB468_06775Not AvailableNegative858052 - 85888231554.5
adenylosuccinate lyaseBB468_06780Not AvailableNegative859180 - 86050249928.4

Displaying genes 801 – 810 of 1514 in total

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