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
primosomal protein n'BB448_05710Not AvailablePositive391290 - 39314970410.2
trna (uridine-5-oxyacetic acid methyl ester)(34) synthase trmpBB448_05715Not AvailableNegative393183 - 39392628918.4
superoxide dismutaseBB448_05720Not AvailableNegative393978 - 39461924518.8
lipid hydroperoxide peroxidaseBB448_05725Not AvailablePositive394843 - 39534318341.4
chemotaxis protein chewBB448_05730Not AvailableNegative395602 - 39609918981.9
chemotaxis protein cheaBB448_05735Not AvailableNegative396096 - 39852290057.1
fused signal transduction protein/response regulatorBB448_05740Not AvailableNegative398579 - 39951735644.0
udp-2,3-diacylglucosamine hydrolaseBB448_05745Not AvailableNegative399521 - 40027929553.9
yggs family pyridoxal phosphate enzymeBB448_05750Not AvailableNegative400281 - 40094925067.7
menaquinone biosynthesis decarboxylaseBB448_05755Not AvailableNegative400972 - 40282270910.4

Displaying genes 381 – 390 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