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
cytochrome c-553BB468_04385Not AvailablePositive277887 - 27817710331.0
rna pyrophosphohydrolaseBB468_04390Not AvailablePositive278337 - 27880418489.2
aspartate kinaseBB468_04395Not AvailablePositive278806 - 28002344222.5
dna replication regulator family proteinBB468_04400Not AvailablePositive280020 - 28056220978.3
dna polymerase iii subunit delta'BB468_04405Not AvailablePositive280559 - 28121525406.8
dihydropteroate synthaseBB468_04410Not AvailablePositive281212 - 28235443010.6
hypothetical proteinBB468_04415Not AvailableNegative282448 - 28290917337.2
hypothetical proteinBB468_04420Not AvailablePositive283275 - 28417132928.7
hypothetical proteinBB468_04425Not AvailablePositive284175 - 28542247479.8
competence proteinBB468_04430Not AvailablePositive285501 - 28605222155.8

Displaying genes 271 – 280 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