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


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
chemotaxis proteinBB448_00005Not AvailablePositive70 - 176762673.3
16s ribosomal rnaNot AvailableNot AvailablePositive496 - 2005Not Available
glycosyl transferaseBB448_00010Not AvailablePositive1798 - 258929975.7
hypothetical proteinBB448_00015Not AvailableNegative2561 - 332229482.6
hypothetical proteinBB448_00020Not AvailableNegative3545 - 465142810.6
chemotaxis proteinBB448_00025Not AvailableNegative4651 - 667874740.4
threonine synthaseBB448_00030Not AvailablePositive6887 - 834754816.8
hypothetical proteinBB448_00035Not AvailablePositive8454 - 916726123.2
hydroxyacid dehydrogenaseBB448_00040Not AvailableNegative9340 - 1028434895.4
hypothetical proteinBB448_00045Not AvailablePositive10357 - 1088720759.5

Displaying genes 1 – 10 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 66 in total