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
restriction endonuclease subunit sDD751_00005Not AvailableNegative1 - 1003775.64
16s ribosomal rnaNot AvailableNot AvailablePositive488 - 1996Not Available
23s ribosomal rnaNot AvailableNot AvailablePositive1022 - 3907Not Available
type i restriction-modification system subunit mDD751_00010Not AvailableNegative105 - 255592576.8
restriction endonuclease subunit rDD751_00015Not AvailablePositive2622 - 5600115951.0
5s ribosomal rnaNot AvailableNot AvailablePositive4143 - 4260Not Available
metal-dependent hydrolaseDD751_00020Not AvailablePositive5600 - 630728057.5
ligand-gated channelDD751_00025Not AvailableNegative6397 - 892294691.4
arginaseDD751_00030Not AvailableNegative9449 - 1041736903.7
alanine dehydrogenaseDD751_00040Not AvailablePositive12056 - 1319841003.1

Displaying genes 1 – 10 of 1475 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