Helicobacter pylori strain B368

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain B368 is a Gram-negative bacterium characterized by its microaerophilic oxygen requirement and spiral shape (spirilla). It typically exists in a free-living state and is associated with various hosts, including Homo sapiens, Gallus gallus, Aves, Primates, Mammalia, Amoeba, Rodentia, Cricetinae, and Thais. The bacterium has a single replicon and two membranes, which is typical for members of its genus. H. pylori strain B368 is non-motile despite possessing flagella, which may play a role in its pathogenicity. It thrives optimally at 37°C, indicating that it is mesophilic and well-adapted to the warmth of the human stomach. This strain is notably implicated in several gastrointestinal diseases, including chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma. The presence of H. pylori can lead to a range of health issues, from asymptomatic mucosal inflammatory responses to serious conditions like GERD, dyspepsia, and atrophic gastritis. Understanding H. pylori strain B368’s ecological niche and its pathogenic potential underscores the complexity of host-microbe interactions. Its association with a wide range of hosts highlights its adaptability and potential impact on gastrointestinal health across different species, particularly in humans where it can lead to significant health challenges.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain B368

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain B368
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 B368 scaffold_77, whole genome shotgun

Gene Summary

Adenine Count

506163 bp

Thymine Count

511110 bp

Guanine Count

319309 bp

Cytosine Count

326921 bp

Genome Length

1663557 bp

Protein-coding Genes

1537 genes

Non-Coding Genes

61 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
polysaccharide deacetylaseDD767_01355Not AvailablePositive276631 - 27751233603.3
hypothetical proteinDD767_01360Not AvailablePositive277559 - 27790312935.5
mfs transporterDD767_01370Not AvailableNegative278873 - 28001841966.1
virulence-associated protein dDD767_01380Not AvailableNegative280512 - 2806164122.94
hypothetical proteinDD767_01385Not AvailableNegative280635 - 28178739924.4
hugz family heme oxygenaseDD767_01395Not AvailableNegative283878 - 28463328476.0
arginine--trna ligaseDD767_01400Not AvailableNegative284696 - 28632162070.8
twin-arginine translocase tata/tate family subunitDD767_01405Not AvailableNegative286324 - 2865638678.5
guanylate kinaseDD767_01410Not AvailableNegative286634 - 28725423817.8
hypothetical proteinDD767_01415Not AvailableNegative287247 - 28871056453.3

Displaying genes 281 – 290 of 1598 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