Helicobacter pylori strain B319

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B319 is a microaerophilic, Gram-negative bacterium characterized by its spirilla shape and presence of flagella. This organism is primarily associated with various hosts, including humans (Homo sapiens), domestic fowl (Gallus gallus), and several other mammals and birds. It is notable for its free-living biotic relationship and optimal growth temperature of 37°C, placing it within the mesophilic temperature range. In terms of cellular structure, H. pylori B319 has a single replicon and is surrounded by two membranes. Its cellular arrangement is primarily in singles, reflecting its individualistic lifestyle within the host's gastric environment. The bacterium's pathogenicity is particularly significant in humans, where it is linked to chronic gastric conditions such as inflammation, ulcers, and various forms of gastric cancer. Specific health effects attributed to this strain include chronic gastritis, peptic ulcer disease, and gastric adenocarcinoma, among others. The presence of H. pylori in the stomach can lead to a range of gastrointestinal diseases, indicating its role as a significant pathogenic agent. The bacterium's ability to thrive in the microaerophilic environment of the stomach and its association with severe health complications highlight its ecological niche and importance in human health. Understanding the traits of H. pylori strain B319 can inform strategies for managing the diseases it causes, emphasizing the need for continued research into its biology and interactions with host organisms.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B319

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B319
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 B319 scaffold_46, whole genome shotgun

Gene Summary

Adenine Count

499493 bp

Thymine Count

506297 bp

Guanine Count

319391 bp

Cytosine Count

321118 bp

Genome Length

1646314 bp

Protein-coding Genes

1472 genes

Non-Coding Genes

59 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hypothetical proteinDB320_02590Not AvailableNegative511400 - 51169311729.1
competence proteinDB320_02595Not AvailableNegative511763 - 51302847577.6
conjugal transfer proteinDB320_02600Not AvailableNegative513028 - 51455459224.7
hypothetical proteinDB320_02605Not AvailableNegative514554 - 51572345496.4
dna topoisomerase iDB320_02610Not AvailableNegative515840 - 51787377644.3
hypothetical proteinDB320_02615Not AvailableNegative517876 - 52029993396.3
virb3 type iv secretion proteinDB320_02620Not AvailableNegative520292 - 52055810163.5
virb2 type iv secretion proteinDB320_02625Not AvailableNegative520559 - 52086111387.5
hypothetical proteinDB320_02630Not AvailableNegative520858 - 52238158880.0
hypothetical proteinDB320_02635Not AvailableNegative522388 - 52268111590.4

Displaying genes 491 – 500 of 1531 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