Helicobacter pylori strain 3120

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 3120 is a Gram-negative bacterium characterized by its spiral shape and microaerophilic oxygen requirement. It possesses flagella, which facilitate its motility, although it is classified as non-motile in terms of overall movement. This strain typically exists as single cells and is adapted to a host-associated habitat, primarily infecting Homo sapiens and various other hosts including Gallus gallus, Aves, Primates, Mammalia, Amoeba, Rodentia, and Cricetinae. Optimal growth occurs at a temperature of 37°C, placing H. pylori strain 3120 within the mesophilic temperature range. The bacterium has a simple genomic structure, containing one replicon, and is surrounded by two membranes. Despite its free-living biotic relationship, it is predominantly recognized for its pathogenicity in humans, leading to a spectrum of gastrointestinal diseases. H. pylori strain 3120 is linked to several health issues, including chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer such as adenocarcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma. It is also associated with functional dyspepsia, gastritis, and peptic ulcer disease. The presence of this bacterium can provoke asymptomatic mucosal inflammatory responses and conditions such as hypochlorhydria and atrophic gastritis. The ecological insight from H. pylori strain 3120 highlights its dual role as a free-living organism and a significant human pathogen, emphasizing its impact on gastric health and disease progression in different hosts. Understanding these interactions can inform treatment and prevention strategies for related gastrointestinal diseases.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 3120

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 3120
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 3120 scaffold_9, whole genome shotgun

Gene Summary

Adenine Count

499914 bp

Thymine Count

500679 bp

Guanine Count

320693 bp

Cytosine Count

317266 bp

Genome Length

1638552 bp

Protein-coding Genes

1460 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
nadh-quinone oxidoreductase subunit iBB448_04340Not AvailablePositive1419507 - 142016924645.1
nadh:ubiquinone oxidoreductase subunit jBB448_04345Not AvailablePositive1420162 - 142071019780.8
nadh-quinone oxidoreductase subunit kBB448_04350Not AvailablePositive1420707 - 142100911010.1
nadh-quinone oxidoreductase subunit lBB448_04355Not AvailablePositive1421012 - 142285068173.2
nadh-quinone oxidoreductase subunit mBB448_04360Not AvailablePositive1422854 - 142439256885.8
nadh-quinone oxidoreductase subunit nBB448_04365Not AvailablePositive1424379 - 142585155223.5
flagellar proteinBB448_04370Not AvailablePositive1425871 - 142824690935.2
phospho-sugar mutaseBB448_04375Not AvailablePositive1428248 - 142962751824.2
hypothetical proteinBB448_04380Not AvailablePositive1429804 - 143008810512.3
tryptophan synthase subunit alphaBB448_04385Not AvailableNegative1430434 - 143122228642.8

Displaying genes 1301 – 1310 of 1502 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