Helicobacter pylori strain HP42K

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain HP42K is a microaerophilic, Gram-negative bacterium characterized by its spiral shape and presence of flagella, which allows it to inhabit the gastric environment of various hosts, including Homo sapiens, Gallus gallus, Aves, Primates, Mammalia, Amoeba, Rodentia, and Cricetinae. This strain is associated with health issues such as chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, including adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. HP42K has a mesophilic temperature range, with an optimal growth temperature of 37°C, and exhibits a cell arrangement of singles. It possesses three replicons and two membranes, indicating a complex genetic organization typical of many pathogenic bacteria. While it is free-living in its host-associated environment, its pathogenicity in humans is well-documented, contributing to a range of gastrointestinal diseases, including peptic ulcer disease and dyspepsia. The wide array of health effects linked to H. pylori HP42K underscores its ecological significance in the human gastrointestinal tract, where it can cause both symptomatic and asymptomatic conditions. The bacterium’s ability to induce chronic inflammation and various forms of cancer highlights its role in host health and disease dynamics. Understanding the traits and pathogenic potential of HP42K can provide insights into the management and treatment of related gastric conditions.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain HP42K

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain HP42K
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 HP42K


Gene Summary

Adenine Count

945 bp

Thymine Count

737 bp

Guanine Count

467 bp

Cytosine Count

509 bp

Genome Length

2658 bp

Protein-coding Genes

1 genes

Non-Coding Genes

0 genes

# of Chromosomes/Plasmids

3

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
virb4 family type iv secretion/conjugal transfer atpaseD8X56_RS00180Not AvailablePositive14191 - 1655490351.8
Ncrna_class:srp_rnaNot AvailableNot AvailablePositive16604 - 16701Not Available
cog3014 family proteinD8X56_RS00190Not AvailablePositive16868 - 1820850943.5
chemotaxis protein chev1D8X56_RS00195Not AvailablePositive18310 - 1927536562.2
carboxynorspermidine decarboxylaseD8X56_RS00200Not AvailablePositive19272 - 2048946010.2
lipid a 1-phosphatase lpxeD8X56_RS00205Not AvailableNegative20500 - 2103319473.7
phosphoethanolamine--lipid a transferase eptaD8X56_RS00210Not AvailableNegative21083 - 2264859014.2
hop family adhesin labaD8X56_RS00215Not AvailableNegative23248 - 2538077337.5
citrate synthaseD8X56_RS00225Not AvailableNegative26129 - 2740948281.8
isocitrate dehydrogenase (nadp(+))D8X56_RS00230Not AvailablePositive27609 - 2888647549.8

Displaying genes 21 – 30 of 1588 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