Helicobacter pylori strain DU15

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain DU15 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and presence of flagella, which contributes to its motility in host-associated environments. This strain is mesophilic, thriving optimally at 37°C, and is notable for its single replicon and two-membrane structure. H. pylori strain DU15 has a diverse range of hosts, including Homo sapiens, Gallus gallus, various Aves, Primates, Mammalia, Amoeba, Rodentia, and Cricetinae, indicating its adaptability and potential for transmission across different species. The bacterium is known for its pathogenicity in humans, where it is implicated in a variety of gastrointestinal diseases. These include chronic gastric inflammation, gastric ulcers, and gastric cancers, such as adenocarcinoma and MALT lymphoma. The strain can also lead to conditions like GERD, functional dyspepsia, and peptic ulcer disease, reflecting its significant impact on human health. The presence of H. pylori strain DU15 in the gastrointestinal tract of various hosts suggests a complex biotic relationship, where it can exist free-living but also establish detrimental interactions with its hosts. Its ability to cause chronic conditions, including atrophic gastritis and intestinal metaplasia, underscores the importance of understanding this bacterium in the context of human health and disease. The ecological implications of H. pylori strain DU15 extend beyond individual health, as its widespread presence among various host species may influence microbial community dynamics and host-pathogen interactions within different environments.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain DU15

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain DU15
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 DU15 chromosome, complete genome.

Gene Summary

Adenine Count

494132 bp

Thymine Count

496006 bp

Guanine Count

311763 bp

Cytosine Count

312510 bp

Genome Length

1614411 bp

Protein-coding Genes

1529 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
tonb-dependent receptorEE66_RS07000Not AvailablePositive1423977 - 142661697671.3
aminotransferase class v-fold plp-dependent enzymeEE66_RS07005Not AvailablePositive1426844 - 142800443746.4
transcription termination factor nusaEE66_RS07010Not AvailablePositive1428092 - 142927944750.4
eco57i restriction-modification methylase domain-containing proteinEE66_RS07020Not AvailableNegative1429624 - 1433391147019.0
hypothetical proteinEE66_RS07025Not AvailableNegative1433517 - 143567384860.3
site-specific dna-methyltransferaseEE66_RS07030Not AvailableNegative1435736 - 1438650111799.0
hypothetical proteinEE66_RS07035Not AvailableNegative1438653 - 143923421831.4
site-specific dna-methyltransferaseEE66_RS07040Not AvailableNegative1439231 - 144052049210.7
atp-dependent dna helicase recgEE66_RS07045Not AvailableNegative1440563 - 144242871324.9
hypothetical proteinEE66_RS07050Not AvailablePositive1442510 - 144286313522.4

Displaying genes 1391 – 1400 of 1571 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