Helicobacter pylori strain 22046

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 22046 is a Gram-negative bacterium characterized by its microaerophilic oxygen requirement and spirilla shape. This organism is notable for its habitat, as it is host-associated, primarily residing in the gastric mucosa of various hosts, including Homo sapiens, Gallus gallus, and several other species from the classes Aves, Primates, and Mammalia. H. pylori strain 22046 displays a single-cell arrangement and possesses flagella, allowing it to navigate its environment, albeit it is non-motile in the traditional sense. The optimal growth temperature for this strain is 37°C, situating it within the mesophilic temperature range. It has a single replicon and two membranes, consistent with its classification as a Gram-negative bacterium. While primarily free-living within its host, H. pylori strain 22046 is also known for its significant pathogenicity in humans, being linked to a myriad of gastrointestinal diseases. Health effects associated with this strain include chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. The bacterium can also contribute to conditions like gastroesophageal reflux disease (GERD) and functional dyspepsia. Its presence often results in an asymptomatic mucosal inflammatory response, which can lead to more severe gastrointestinal diseases over time. The ecological insight from studying H. pylori strain 22046 underscores its complex interactions with human hosts and its potential to induce severe health conditions, highlighting the importance of understanding host-pathogen dynamics in microbial ecology.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 22046

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 22046
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 22046 contig_9, whole genome shotgun

Gene Summary

Adenine Count

501682 bp

Thymine Count

508132 bp

Guanine Count

316747 bp

Cytosine Count

326767 bp

Genome Length

1653357 bp

Protein-coding Genes

1477 genes

Non-Coding Genes

43 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
ubiquitin--protein ligaseBB436_07585Not AvailableNegative1517024 - 151786332181.9
bifunctional 3,4-dihydroxy-2-butanone 4-phosphate synthase/gtp cyclohydrolase iiBB436_07590Not AvailableNegative1517950 - 151898439006.2
lipooligosaccharide 5g8 epitope biosynthesis-associated protein (lex2b)BB436_07595Not AvailableNegative1519161 - 152002133254.8
metalloproteaseBB436_07600Not AvailablePositive1520103 - 152072324115.6
ligand-gated channelBB436_07605Not AvailableNegative1520734 - 152311289713.5
holo-acp synthaseBB436_07610Not AvailableNegative1523312 - 152367113068.2
flagellar basal body-associated protein flilBB436_07615Not AvailableNegative1523678 - 152422920396.9
16s rrna (guanine(966)-n(2))-methyltransferase rsmdBB436_07620Not AvailableNegative1524238 - 152484022509.8
dihydroneopterin aldolaseBB436_07625Not AvailableNegative1524819 - 152514512784.7
sam-dependent methyltransferaseBB436_07630Not AvailableNegative1525496 - 152650638768.0

Displaying genes 1391 – 1400 of 1520 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