Helicobacter pylori strain 456

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 456 is a microaerophilic, Gram-negative bacterium characterized by its spiral shape and presence of flagella. It is primarily found in host-associated habitats, particularly within the gastrointestinal tract of various hosts, including Homo sapiens, Gallus gallus, and other mammals and birds. This strain is notable for its role in several significant health conditions, including chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma. H. pylori strain 456 is mesophilic, with an optimal growth temperature of 37°C, which aligns with the human body temperature, facilitating its pathogenicity in humans. The organism possesses a single replicon and two membranes, a characteristic typical of Gram-negative bacteria. Its biotic relationship is classified as free-living, indicating that while it can exist independently, it predominantly thrives in specific host environments. These pathogenic properties of H. pylori strain 456 underscore its significance as a major contributor to gastrointestinal diseases, including peptic ulcer disease and functional dyspepsia. The strain's ability to elicit chronic mucosal inflammatory responses can lead to serious complications such as atrophic gastritis and intestinal metaplasia. Understanding the ecological niche and pathogenic mechanisms of H. pylori strain 456 is crucial for developing targeted therapies and preventive measures against the gastrointestinal diseases it causes.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 456

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 456
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 456

Gene Summary

Adenine Count

491503 bp

Thymine Count

487502 bp

Guanine Count

318792 bp

Cytosine Count

306097 bp

Genome Length

1603894 bp

Protein-coding Genes

1470 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hypothetical proteinC2R91_00920Not AvailablePositive186206 - 18682322988.4
uroporphyrinogen decarboxylaseC2R91_00925Not AvailablePositive186889 - 18791138519.0
hypothetical proteinC2R91_00930Not AvailablePositive187921 - 18935454561.8
efflux transporter periplasmic adaptor subunitC2R91_00935Not AvailablePositive189365 - 19006926058.4
acriflavin resistance proteinC2R91_00940Not AvailablePositive190082 - 193168113621.0
hypothetical proteinC2R91_00945Not AvailablePositive193165 - 19373421149.8
toxinC2R91_00950Not AvailablePositive193885 - 203445348090.0
hypothetical proteinC2R91_00960Not AvailableNegative204025 - 2042648880.37
hypothetical proteinC2R91_00970Not AvailableNegative205261 - 20559613087.9
dna ligase (nad(+)) ligaC2R91_00975Not AvailableNegative205748 - 20771874000.3

Displaying genes 181 – 190 of 1512 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