Helicobacter pylori strain 55:2

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 55:2 is a Gram-negative bacterium classified within the spirilla shape category. This microaerophilic organism is associated with various hosts, including Homo sapiens, Gallus gallus, and several other mammals and birds, as well as amoebae. It typically exists in a single-cell arrangement and possesses flagella, which allows for mobility, although strain 55:2 itself is noted as non-motile. This strain thrives optimally at a temperature of 37°C and is categorized as mesophilic. It has a unique genetic structure with one replicon and a double-membrane system. The biotic relationship of H. pylori strain 55:2 is described as free-living, indicating a complex interaction with its hosts. Helicobacter pylori strain 55:2 is associated with several significant health effects, primarily concerning gastrointestinal diseases. It is implicated in chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, including adenocarcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma. Additionally, it is linked to conditions such as gastroesophageal reflux disease (GERD), functional dyspepsia, and chronic gastritis. The ecological insight from the pathogenicity of H. pylori strain 55:2 emphasizes its role in human health, particularly in the context of gastrointestinal diseases. The bacterium's ability to persist in the stomach environment, where it induces chronic inflammatory responses, highlights its impact on host health and the potential for severe outcomes like cancer. Understanding these traits can inform treatment approaches and public health strategies to mitigate the risks associated with this bacterium.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 55:2

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 55:2
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 55:2

Gene Summary

Adenine Count

491757 bp

Thymine Count

486293 bp

Guanine Count

310136 bp

Cytosine Count

315534 bp

Genome Length

1603720 bp

Protein-coding Genes

1474 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
site-2 protease family proteinC2S43_03410Not AvailableNegative686270 - 68696826054.8
signal peptidase iC2S43_03415Not AvailableNegative686977 - 68784933791.0
bifunctional methylenetetrahydrofolate dehydrogenase/methenyltetrahydrofolate cyclohydrolase foldC2S43_03420Not AvailableNegative687849 - 68872731875.6
phosphatidylglycerol--membrane-oligosaccharide glycerophosphotransferaseC2S43_03425Not AvailableNegative688800 - 69083077313.4
hypothetical proteinC2S43_03430Not AvailableNegative690836 - 69138720849.4
hypothetical proteinC2S43_03435Not AvailableNegative691394 - 69207226230.1
restriction endonuclease subunit sC2S43_03440Not AvailableNegative692151 - 69340147462.1
sam-dependent methyltransferaseC2S43_03445Not AvailableNegative693394 - 69502562295.2
duf115 domain-containing proteinC2S43_03455Not AvailableNegative698211 - 70010672325.9
tellurite resistance terb family proteinC2S43_03460Not AvailableNegative700127 - 70089429835.7

Displaying genes 641 – 650 of 1516 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