Helicobacter pylori strain 3774

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori strain 3774 is a microaerophilic, Gram-negative bacterium characterized by its spirilla shape and the presence of flagella. It is primarily found in a host-associated habitat and exhibits a cell arrangement of singles. This organism is mesophilic, with an optimal growth temperature of 37°C and a single replicon, indicating a relatively simple genomic structure. H. pylori strain 3774 is known to have significant health implications for various hosts, including Homo sapiens, Gallus gallus, and several other animal groups. It has been linked to a range of gastrointestinal diseases such as chronic gastric inflammation, gastritis, peptic ulcer disease, and various forms of gastric cancer, including gastric adenocarcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma. The presence of this bacterium can lead to serious health conditions, including acute gastric ulcers and functional dyspepsia, emphasizing its pathogenicity in humans. The biotic relationship of H. pylori strain 3774 is classified as free-living, which suggests that it can exist independently within its host environment, contributing to its ability to colonize the gastric mucosa. Its association with a wide range of hosts, including mammals and birds, highlights its ecological adaptability and potential role in the transmission of gastric diseases across different species. Understanding the pathogenic mechanisms and ecological interactions of this strain is crucial for developing targeted treatments and preventive measures against related gastrointestinal diseases.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
Strainstrain 3774

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori strain 3774
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 3774

Gene Summary

Adenine Count

Not Available

Thymine Count

Not Available

Guanine Count

Not Available

Cytosine Count

Not Available

Genome Length

Not Available

Protein-coding Genes

1427 genes

Non-Coding Genes

195 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
restriction endonucleaseC2R69_06290Not AvailablePositive1210799 - 121134721402.8
laminin subunit alpha-2 precursorC2R69_06295Not AvailablePositive1211440 - 121203622828.6
udp-4-amino-4, 6-dideoxy-n-acetyl-beta-l-altrosamine transaminaseC2R69_06300Not AvailablePositive1212033 - 121316942580.4
Trna-leuNot AvailableNot AvailablePositive1213280 - 1213364Not Available
ribonucleoside-diphosphate reductase subunit betaC2R69_06310Not AvailablePositive1213560 - 121458539560.1
protein-l-isoaspartate o-methyltransferaseC2R69_06315Not AvailablePositive1214595 - 121522423917.1
permeaseC2R69_06320Not AvailablePositive1215246 - 121628339605.8
trna pseudouridine(38-40) synthase truaC2R69_06325Not AvailablePositive1216284 - 121701227363.6
udp-glucose 4-epimerase galeC2R69_06330Not AvailableNegative1217006 - 121804038808.6
Trna-ileNot AvailableNot AvailablePositive1218154 - 1218230Not Available

Displaying genes 1191 – 1200 of 1622 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