Helicobacter pylori strain B29

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B29 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and the presence of flagella, enabling motility. It exists predominantly in a host-associated habitat and exhibits a free-living biotic relationship. This strain is mesophilic, with an optimal growth temperature of 37°C, and it possesses a single replicon and two membranes. H. pylori strain B29 is notably pathogenic to humans and has been linked to a range of gastrointestinal diseases. Health effects associated with this strain include chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. Other conditions linked to H. pylori infection include gastritis, gastroesophageal reflux disease (GERD), and functional dyspepsia. The strain has also been associated with asymptomatic mucosal inflammatory responses and other intestinal diseases. This bacterium has a diverse array of hosts, including Homo sapiens, Gallus gallus, various Aves, Primates, Mammalia, Amoeba, Rodentia, and Cricetinae, indicating its adaptability and potential for interspecies transmission. The presence of H. pylori in such varied hosts underscores its ecological significance and highlights the importance of understanding its pathogenic mechanisms, which contribute to significant health burdens worldwide, particularly in relation to gastric diseases.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B29

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B29
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 B29


Gene Summary

Adenine Count

484387 bp

Thymine Count

485071 bp

Guanine Count

306836 bp

Cytosine Count

313290 bp

Genome Length

1589584 bp

Protein-coding Genes

1448 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
hydrogenase expression/formation proteinC2R48_00040Not AvailablePositive7123 - 765919681.1
protein hydeC2R48_00045Not AvailablePositive7661 - 919958299.7
hypothetical proteinC2R48_00050Not AvailableNegative9204 - 956013599.7
hypothetical proteinC2R48_00055Not AvailableNegative9641 - 1008716673.8
7-cyano-7-deazaguanine synthase quecC2R48_00065Not AvailableNegative11261 - 1194725609.8
polynucleotide adenylyltransferaseC2R48_00070Not AvailablePositive12010 - 1373466340.5
hydroxyacid dehydrogenaseC2R48_00075Not AvailablePositive13749 - 1460630568.5
glutamate--trna ligaseC2R48_00085Not AvailablePositive15425 - 1674451102.7
hypothetical proteinC2R48_00090Not AvailablePositive16741 - 1703411162.4
lytic murein transglycosylaseC2R48_00095Not AvailablePositive17043 - 1872565589.1

Displaying genes 11 – 20 of 1490 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