RMgmDB - Rodent Malaria genetically modified Parasites

Summary

RMgm-4988
Malaria parasiteP. berghei
Genotype
DisruptedGene model (rodent): PBANKA_1400800; Gene model (P.falciparum): PF3D7_1302200; Gene product: protein UIS3 (UIS3; ETRAMP13)
Transgene
Transgene not Plasmodium: Venus and luciferase (Veluc)
Promoter: Gene model: PBANKA_0711900; Gene model (P.falciparum): PF3D7_0818900; Gene product: heat shock protein 70 (HSP70)
3'UTR: Gene model: Not available; Gene product: Not available
Replacement locus: Gene model: PBANKA_1400800; Gene product: protein UIS3 (UIS3)
Phenotype Liver stage;
Last modified: 13 May 2021, 20:47
  *RMgm-4988
Successful modificationThe parasite was generated by the genetic modification
The mutant contains the following genetic modification(s) Gene disruption, Introduction of a transgene
Reference (PubMed-PMID number) Reference 1 (PMID number) : 33771680
MR4 number
Parent parasite used to introduce the genetic modification
Rodent Malaria ParasiteP. berghei
Parent strain/lineP. berghei ANKA
Name parent line/clone P. berghei ANKA cl15cy1
Other information parent lineA reference wild type clone from the ANKA strain of P. berghei (PubMed: PMID: 17406255).
The mutant parasite was generated by
Name PI/ResearcherPradipta A, Yamamoto M
Name Group/DepartmentDepartment of Immunoparasitology, Research Institute for Microbial Diseases
Name InstituteOsaka University
CityOsaka
CountryJapan
Name of the mutant parasite
RMgm numberRMgm-4988
Principal nameuis3(-)
Alternative name
Standardized name
Is the mutant parasite cloned after genetic modificationYes
Phenotype
Asexual blood stageNot different from wild type
Gametocyte/GameteNot different from wild type
Fertilization and ookineteNot different from wild type
OocystNot different from wild type
SporozoiteNot different from wild type
Liver stage(Strongly) reduced development of liver stages
Additional remarks phenotype

Mutant/mutation
The mutant lacks expression of UIS3 and expresses luciferase and yellow-fluorescent protein (under control of the hsp70 promoter)

Protein (function)
UIS3 is a member of the ETRAMP family of proteins. these proteins are frequently located in the parasitophorous vacuole (of blood stages and liver stages). P. berghei UIS3 is expressed in both blood stages and in sporozoites (very high transcript levels) and liver stages

Phenotype
(Strongly) reduced development of liver stages
From the paper
:
' The PV membranes (PVM) are coated with a well-known host autophagy marker LC3 and parasite-derived protein called Upregulated in infective sporozoites 3 (UIS3), which has been shown to interact with LC3 and inhibit LC3-mediated autophagic disruption at the PV. Although uis3(-) sporozoites cannot proliferate in wild-type cells, they can replicate efficiently in cells defective in autophagy due to the lack of Atg proteins such as Atg3, Atg5 and Atg7, since these Atg proteins are essential for processing of LC3.'

Evidence is presented:
' despite essential roles of Atg9 and Atg14 in autophagy, both proteins are dispensable for the restriction of uis3(-) parasite growth. Moreover, we found that cells lacking LC3 proteins are also able to restrict uis3(-) parasite growth. In sharp contrast, GABARAPs, another subfamily of mammalian Atg8, participated in suppression of uis3(-) parasite growth. Taken together, contrary to a previous model in which UIS3 avoids host LC3- and autophagy-dependent parasite elimination program, our data demonstrate a role of GABARAPs for suppression of uis3(-) parasite growth in a manner independent on autophagy'

Additional information

Other mutants


  Disrupted: Mutant parasite with a disrupted gene
Details of the target gene
Gene Model of Rodent Parasite PBANKA_1400800
Gene Model P. falciparum ortholog PF3D7_1302200
Gene productprotein UIS3
Gene product: Alternative nameUIS3; ETRAMP13
Details of the genetic modification
Inducable system usedNo
Additional remarks inducable system
Type of plasmid/construct used(Linear) plasmid double cross-over
PlasmoGEM (Sanger) construct/vector usedNo
Modified PlasmoGEM construct/vector usedNo
Plasmid/construct map
Plasmid/construct sequence
Restriction sites to linearize plasmid
Partial or complete disruption of the geneComplete
Additional remarks partial/complete disruption
Selectable marker used to select the mutant parasitehdhfr
Promoter of the selectable markereef1a
Selection (positive) procedurepyrimethamine
Selection (negative) procedureNo
Additional remarks genetic modification
Additional remarks selection procedure
Primer information: Primers used for amplification of the target sequences  Click to view information
Primer information: Primers used for amplification of the target sequences  Click to hide information
Sequence Primer 1
Additional information primer 1
Sequence Primer 2
Additional information primer 2
Sequence Primer 3
Additional information primer 3
Sequence Primer 4
Additional information primer 4
Sequence Primer 5
Additional information primer 5
Sequence Primer 6
Additional information primer 6

  Transgene: Mutant parasite expressing a transgene
Type and details of transgene
Is the transgene Plasmodium derived Transgene: not Plasmodium
Transgene nameVenus and luciferase (Veluc)
Details of the genetic modification
Inducable system usedNo
Additional remarks inducable system
Type of plasmid/construct(Linear) plasmid double cross-over
PlasmoGEM (Sanger) construct/vector usedNo
Modified PlasmoGEM construct/vector usedNo
Plasmid/construct map
Plasmid/construct sequence
Restriction sites to linearize plasmid
Selectable marker used to select the mutant parasitehdhfr
Promoter of the selectable markereef1a
Selection (positive) procedurepyrimethamine
Selection (negative) procedureNo
Additional remarks genetic modification
Additional remarks selection procedure
Other details transgene
Promoter
Gene Model of Parasite PBANKA_0711900
Gene Model P. falciparum ortholog PF3D7_0818900
Gene productheat shock protein 70
Gene product: Alternative nameHSP70
Primer information details of the primers used for amplification of the promoter sequence  Click to view information
Primer information details of the primers used for amplification of the promoter sequence  Click to hide information
Sequence Primer 1
Additional information primer 1
Sequence Primer 2
Additional information primer 2
3'-UTR
Gene Model of Parasite Not available
Gene productNot available
Gene product: Alternative name
Primer information details of the primers used for amplification the 3'-UTR sequences  Click to view information
Primer information details of the primers used for amplification the 3'-UTR sequences  Click to hide information
Sequence Primer 1
Additional information primer 1
Sequence Primer 2
Additional information primer 2
Insertion/Replacement locus
Replacement / InsertionReplacement locus
Gene Model of Parasite PBANKA_1400800
Gene productprotein UIS3
Gene product: Alternative nameUIS3
Primer information details of the primers used for amplification of the target sequences  Click to view information
Primer information details of the primers used for amplification of the target sequences  Click to hide information
Sequence Primer 1
Additional information primer 1
Sequence Primer 2
Additional information primer 2
Sequence Primer 3
Additional information primer 3
Sequence Primer 4
Additional information primer 4