Helicobacter pylori SouthAfrica7

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori SouthAfrica7 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and single-cell arrangement. This strain is optimally active at a temperature of 37.0°C, which aligns with its association with host environments, such as the human gastric epithelium. As a member of the Helicobacter genus, H. pylori SouthAfrica7 is adapted to survive under low oxygen conditions, a trait that enables it to colonize the acidic environment of the stomach effectively. Its microaerophilic nature suggests a specific requirement for reduced oxygen levels, which may influence its metabolic processes and interactions with the host's immune responses. Given its habitat and physiological characteristics, H. pylori SouthAfrica7 may play a role in the complex interactions within the gastric microbiome. Its presence in this niche highlights the importance of studying specific strains in understanding the diversity and functionality of microbial communities associated with human health and disease. The adaptation of H. pylori SouthAfrica7 to both the acidic gastric environment and microaerophilic conditions provides insight into the evolutionary pressures that shape the survival strategies of gastrointestinal microbes.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
StrainSouthAfrica7

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori SouthAfrica7
Image source: Wikipedia/Wikimedia
Ecology, Host, and Life Cycle
Oxygen requirementsMicroaerophilic
Optimal temperature37
Temperature rangeMesophilic
HabitatHostAssociated
Biotic relationshipFree living
Host(s)Not Available
Cell arrangementSingles
SporulationNot Available
Energy sourceNot Available
PathogenicityNot Available

Genome Summary

Helicobacter pylori SouthAfrica7, complete sequence.

Gene Summary

Adenine Count

505947 bp

Thymine Count

511241 bp

Guanine Count

317511 bp

Cytosine Count

319213 bp

Genome Length

1653913 bp

Protein-coding Genes

1528 genes

Non-Coding Genes

45 genes

# of Chromosomes/Plasmids

2

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
Ncrna_class:srp_rnaNot AvailableNot AvailablePositive16805 - 16902Not Available
cog3014 family proteinHPSA_RS00110Not AvailablePositive17075 - 1841550875.4
chemotaxis protein chev1HPSA_RS00115Not AvailablePositive18510 - 1947536625.3
carboxynorspermidine decarboxylaseHPSA_RS00120Not AvailablePositive19472 - 2068945887.1
lipid a 1-phosphatase lpxeHPSA_RS00125Not AvailableNegative20731 - 2126419592.7
phosphoethanolamine--lipid a transferase eptaHPSA_RS00130Not AvailableNegative21314 - 2288559085.1
saba family sialic acid-binding adhesinHPSA_RS00140Not AvailableNegative24054 - 2616577209.3
citrate synthaseHPSA_RS00145Not AvailableNegative26631 - 2791148291.9
isocitrate dehydrogenase (nadp(+))HPSA_RS00150Not AvailablePositive28111 - 2938847461.8
duf1523 family proteinHPSA_RS00155Not AvailablePositive29456 - 2998020230.7

Displaying genes 21 – 30 of 1604 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

No health effects information available for this bacterium.