Helicobacter pylori strain 22278

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 22278 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and presence of flagella, enabling it to exhibit motility in its habitat. This strain is primarily host-associated and has been found in various hosts, including Homo sapiens (humans), Gallus gallus (domestic chickens), Aves (birds), primates, other mammals, amoebas, rodents, and Cricetinae (hamsters). Being mesophilic, H. pylori strain 22278 thrives optimally at a temperature of 37°C. It possesses a single replicon and features two membranes typical of its Gram-negative classification. While it has a free-living biotic relationship, its pathogenicity is primarily associated with humans. The presence of H. pylori in the human gastric environment is linked to a range of health effects, including chronic gastric inflammation, gastric ulcers, and various forms of gastric cancer, such as adenocarcinoma and mucosa-associated lymphoid tissue lymphoma (MALT lymphoma). In addition to its role in more severe conditions like gastric cancer and peptic ulcer disease, H. pylori strain 22278 can also cause dyspepsia and functional gastrointestinal disorders. The bacterium's ability to inhabit the gastric mucosa contributes to its pathogenicity, leading to chronic gastritis and other gastrointestinal diseases. Understanding the ecological niche and pathogenic potential of H. pylori strain 22278 is crucial for developing targeted treatments and preventive strategies against the diseases it causes.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 22278

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 22278
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 22278 contig_9, whole genome shotgun

Gene Summary

Adenine Count

493544 bp

Thymine Count

493328 bp

Guanine Count

307028 bp

Cytosine Count

321956 bp

Genome Length

1615973 bp

Protein-coding Genes

1440 genes

Non-Coding Genes

42 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
azaleucine resistance protein azlcBB430_03275Not AvailablePositive70782 - 7146825960.4
hypothetical proteinBB430_03280Not AvailablePositive71462 - 7180913274.0
cation transporterBB430_03285Not AvailableNegative71812 - 74919115451.0
hemolysin dBB430_03290Not AvailableNegative74920 - 7593638695.9
hypothetical proteinBB430_03295Not AvailableNegative75933 - 7717147238.0
copper resistance proteinBB430_03300Not AvailableNegative77176 - 7755313846.3
fumarate hydratase, class iiBB430_03305Not AvailablePositive77727 - 7911850893.5
hypothetical proteinBB430_03310Not AvailablePositive79141 - 793899094.83
ribonuclease hiiBB430_03315Not AvailablePositive79419 - 8006323901.5
Ncrna_class:srp_rnaNot AvailableNot AvailablePositive80257 - 80354Not Available

Displaying genes 81 – 90 of 1482 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