Helicobacter pylori strain B712A

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B712A is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and the presence of flagella. This strain is found in a host-associated habitat and exhibits a single-cell arrangement. It thrives optimally at 37°C, falling within a mesophilic temperature range, and is notable for its unique biotic relationship as a free-living organism. This strain has been linked to numerous health effects, primarily concerning the gastrointestinal system. It is associated with chronic gastric inflammation, gastritis, peptic ulcer disease, and various forms of gastric cancer, including adenocarcinoma and mucosa-associated lymphoid tissue lymphoma (MALT lymphoma). The pathogenicity of H. pylori B712A is particularly significant in humans, where it can lead to serious conditions such as gastric ulcers, GERD, and functional dyspepsia. H. pylori strain B712A has a single replicon and is enveloped by two membranes, which is typical for Gram-negative bacteria. Its diverse array of hosts includes Homo sapiens, various species of birds (Aves), rodents (Rodentia), and primates, indicating its ecological versatility. The presence of H. pylori in multiple host species suggests its potential role in interspecies transmission and ecological dynamics within microbial communities. The strain’s capacity to induce a range of gastrointestinal diseases highlights its importance in both clinical microbiology and public health.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B712A

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B712A
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 B712A scaffold_38, whole genome shotgun

Gene Summary

Adenine Count

474017 bp

Thymine Count

479588 bp

Guanine Count

303348 bp

Cytosine Count

309361 bp

Genome Length

1566326 bp

Protein-coding Genes

1433 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
nicotinamide riboside transporter pnucDD751_06555Not AvailablePositive1326915 - 132757725593.0
thiamine diphosphokinaseDD751_06560Not AvailablePositive1327565 - 132817922960.8
50s ribosomal protein l17DD751_06565Not AvailableNegative1328878 - 132922813365.2
dna-directed rna polymerase subunit alphaDD751_06570Not AvailableNegative1329228 - 133026238510.4
30s ribosomal protein s4DD751_06575Not AvailableNegative1330274 - 133090023976.1
30s ribosomal protein s11DD751_06580Not AvailableNegative1330910 - 133130514014.2
30s ribosomal protein s13DD751_06585Not AvailableNegative1331328 - 133169013561.7
50s ribosomal protein l36DD751_06590Not AvailableNegative1331694 - 13318074321.68
translation initiation factor if-1DD751_06595Not AvailableNegative1331886 - 13321048348.36
type i methionyl aminopeptidaseDD751_06600Not AvailableNegative1332104 - 133286527518.6

Displaying genes 1241 – 1250 of 1475 in total

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