Helicobacter pylori Hp A-20

Gram-negativeSpirillaNon-motileMicroaerophilic

Kingdom

Pseudomonadati

Phylum

Campylobacterota

Class

Epsilonproteobacteria

Order

Campylobacterales

Family

Helicobacteraceae

Genus

Helicobacter

Description

Helicobacter pylori Hp A-20 is a Gram-negative, microaerophilic bacterium characterized by its spirilla shape and presence of flagella. It exists as single cells and is classified as mesophilic, with an optimal growth temperature of 37°C, indicating its adaptation to the human body, where it typically resides. This bacterium is host-associated, highlighting its relationship with human hosts. Its biotic relationship is categorized as free-living, which suggests that while it primarily exists within the host, it can survive outside of it under specific conditions. H. pylori possesses a single replicon and is notable for having two membranes, a characteristic feature of Gram-negative organisms. The presence of flagella contributes to its motility, allowing H. pylori to navigate through the viscous environment of the gastric mucus. This mobility is crucial for its colonization and persistence in the gastric niche. An ecological insight into H. pylori Hp A-20 is its adaptation to a microaerophilic environment, reflecting its evolutionary strategy to thrive in the low-oxygen conditions found in the stomach. This adaptation not only aids in its survival but also plays a significant role in its pathogenicity, as it can contribute to conditions such as gastritis and peptic ulcers in human hosts. Understanding these traits can aid in developing targeted therapeutic strategies against H. pylori infections.

Taxonomy

KingdomPseudomonadati
PhylumCampylobacterota
ClassEpsilonproteobacteria
OrderCampylobacterales
FamilyHelicobacteraceae
GenusHelicobacter
SpeciesHelicobacter pylori
StrainHp A-20

Profile

Physiology
Gram staining propertiesNegative
ShapeSpirilla
MobilityNo
Flagellar presenceYes
Number of membranes2
Image of Helicobacter pylori Hp A-20
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 Hp A-20 HpA_20.contig.9_1, whole genome

Gene Summary

Adenine Count

505906 bp

Thymine Count

512134 bp

Guanine Count

326444 bp

Cytosine Count

330116 bp

Genome Length

1674600 bp

Protein-coding Genes

1671 genes

Non-Coding Genes

77 genes

# of Chromosomes/Plasmids

1

Genes

NameLocus TagUniProt IDStrand OrientationGene Start/EndProtein Molecular Weight
periplasmic dipeptide transport proteinHPHPA20_0431P33950Positive405115 - 40676462515.0
dipeptide abc superfamily atp binding cassette transporter, permease proteinHPHPA20_0432A0A0H2ZGW7Positive406775 - 40777936908.3
dipeptide transport system permease proteinHPHPA20_0433A0A0H2ZFV0Positive407779 - 40863630848.9
dipeptide abc transporter, atp-binding proteinHPHPA20_0434P42064Positive408648 - 40951132243.6
nickel abc superfamily atp binding cassette transporter, abc proteinHPHPA20_0435P37313Positive409508 - 41031430455.2
obg family gtpase cgtaHPHPA20_0436Q9ZMD3Positive410334 - 41141638904.0
hypothetical proteinHPHPA20_0437Not AvailablePositive411612 - 41260737583.6
base-induced polyisoprenoid-binding periplasmic proteinHPHPA20_0438Not AvailablePositive412873 - 41342720345.8
glutamate-1-semialdehyde-2,1-aminomutaseHPHPA20_0439Q9ZMD0Positive413437 - 41472946686.2
arginine biosynthesis bifunctional protein argjHPHPA20_0440Not AvailablePositive414733 - 41499610087.6

Displaying genes 441 – 450 of 1748 in total

Pathways

0 pathways

No pathways found

No metabolic pathways have been associated with this bacterium yet.

Metabolites

94 records
Metabolite IDMetabolite nameStructureCAS number
BASm0000237(R)-4'-phosphopantothenateC9H18NO8PChemical structure of (R)-4'-phosphopantothenateNot available
Average299.2149Da
Monoisotopic299.0770031Da
BASm00002512-dehydropantoateC6H9O4Chemical structure of 2-dehydropantoateNot available
Average145.1333Da
Monoisotopic145.050083776Da
BASm0000377(S)-malateC4H4O5Chemical structure of (S)-malateNot available
Average132.0716Da
Monoisotopic132.005873238Da
BASm0000387(6R)-5,10-methylene-5,6,7,8-tetrahydrofolateC20H21N7O6Chemical structure of (6R)-5,10-methylene-5,6,7,8-tetrahydrofolateNot available
Average455.432Da
Monoisotopic455.1564286Da
BASm0000401(S)-2-succinylamino-6-oxoheptanedioateC11H12NO8Chemical structure of (S)-2-succinylamino-6-oxoheptanedioateNot available
Average286.218Da
Monoisotopic286.0579371Da
BASm0000642S-adenosyl-4-methylsulfanyl-2-oxobutanoateC15H19N5O6SChemical structure of S-adenosyl-4-methylsulfanyl-2-oxobutanoateNot available
Average397.406Da
Monoisotopic397.105604055Da
BASm0001167triphosphateO10P3Chemical structure of triphosphate14127-68-5
Average252.9153Da
Monoisotopic252.8704308Da
BASm0001697(S)-4,5-dihydroxypentane-2,3-dioneC5H8O4Chemical structure of (S)-4,5-dihydroxypentane-2,3-dioneNot available
Average132.1146Da
Monoisotopic132.042258744Da
BASm0001717fumarateC4H2O4Chemical structure of fumarateNot available
Average114.0563Da
Monoisotopic113.9953086Da
BASm0001779orotateC5H3N2O4Chemical structure of orotateNot available
Average155.09Da
Monoisotopic155.0098302Da

Displaying 1–10 of 94 metabolites

Health Effects

No health effects information available for this bacterium.