Table 2.
Effector | Properties | Target parasite | Parasite stage(s) | Function or mechanism | Refs |
---|---|---|---|---|---|
Parasite killing | |||||
Scorpine | Scorpion Pandinus imperator venom peptide |
P. falciparum P. berghei |
Gametocyte to Ookinete | Cecropin and defensin-like lytic peptide. | [29] |
Shiva1 | Cecropin-like synthetic peptide |
P. berghei P. falciparum |
Gametocyte to Ookinete | Lyses parasites | [93] |
Shiva-3 | Cecropin-like synthetic peptide |
P. falciparum P. berghei |
Gametocyte to ookinete | Lyses parasites | [33] |
Cec A | An. gambiae cecropin A | P. berghei | Ookinete | Lyse parasites. | [28] |
Cec B | An. gambiae cecropin B | P. falciparum | Oocyst | Lyses parasites | [32] |
DEF1 A | An. gambiae defensin A |
P. falciparum P. berghei |
Ookinete | Lyses parasites | [26] |
Gambicin | An. gambiae antimicrobial peptide |
P. falciparum P. berghei |
Ookinete | Lyses parasites | [27] |
Angiotensin II | P. gallinaceum | Sporozoite | Lyses parasites | [31] | |
Magainins | Peptides from the African clawed frog Xenopus laevis skin |
P. falciparum P. knowlesi P. cynomolgi |
All mosquito stages | Lyses parasites | [32] |
Gomesin | A antimicrobial peptide from Spider |
P. falciparum P. berghei |
All mosquito stages | Lyses parasites | [34] |
CEL-III | Hemolytic C-Type Lectin |
P. falciparum P. berghei |
Ookinete, oocyst | Lyses parasites | [13] |
TP10 | Wasp venom peptide | P. falciparum | Gametocyte to ookinete | Lyses the parasites. | [94] |
AdDLP | Anaeromyxobacter dehalogenans defensin-like peptide | P. berghei | Ookinete | Lyses the parasites | [95] |
Meucin-25 | Scorpion Mesobuthus eupeus venom gland |
P.. berghei P. falciparum |
Gametocyte | Anti-microbial linear cationic peptide | [96] |
Drosomycin | An inducible antifungal peptide initially isolated from the Drosophila melanogaster haemolymph | P. berghei | Ookinete | Lyses the parasites | [97] |
Interaction with parasites | |||||
EPIP | Enolase-Plasminogen Interaction Peptide |
P. falciparum P. berghei |
Ookinete | Inhibits mosquito midgut invasion by preventing plasminogen binding to the ookinete surface | [35] |
Pro:EPIP | A fusion peptide composed of a chitinase propeptide (Pro) and EPIP |
P. falciparum P. berghei |
Ookinete | Blocks ookinete traversal of the mosquito peritrophic matrix and prevents plasminogen binding to the ookinete surface | [30] |
Pbs21scFv-Shiva1 | Single-chain immunotoxin |
P. falciparum P. berghei |
Gametocyte to Oocyst | A single-chain monoclonal antibody (scFv) targeting the major ookinete surface protein pbs21 and linked to the lytic peptide Shiva1. | [37] |
scFv 4B7 | A single-chain antibody | P. falciparum | Ookinete | Binds to P. falciparum ookinete surface protein Pfs25 | [16, 36] |
scFv 2A10 | Single-chain antibody | P. falciparum | Ookinete | Targets the P. falciparum circumsporozoite protein (CSP) | [16, 36] |
PfNPNA-1 | Single-chain antibody | P. falciparum | Sporozoite | Recognizes the repeat region (Asn-Pro-Asn-Ala) of the P. falciparum surface circumsporozoite protein | [50] |
scFv 1C3 | Single-chain antibody | P. falciparum | Ookinete | Binds a P. falciparum secreted enzyme chitinase 1 | [16] |
Interaction with mosquito midgut or salivary gland epithelia | |||||
SM1 | Salivary gland and midgut peptide 1 |
P. berghei P. falciparum |
Ookinete, sporozoite | Blocks ookinete invasion of the midgut epithelium or sporozoite invasion of the salivary gland epithelium. | [10] |
mPLA2 | Bee venom phospholipase |
P. falciparum P. berghei |
Ookinete | Inhibits ookinete midgut invasion, probably by modifying the properties of the midgut epithelial membrane | [12] |
Pro | A chitinase propeptide |
P. falciparum P. berghei |
Ookinete | Inhibits the enzyme and blocks ookinete traversal of the mosquito peritrophic matrix | [39] |
Pchtscfv | Single-chain antibody | P. falciparum | Ookinete | Inhibits the P. falciparum chitinase and blocks ookinete traversal of the mosquito peritrophic matrix | [98] |
Manipulation of mosquito immune system | |||||
Akt | A protein kinase |
P. falciparum P. berghei |
Ookinete | Akt boosts mosquito innate insulin immunity via signaling | [15] |
Rel2 | Anopheles IMD pathway transcription factor |
P. falciparum P. berghei |
Ookinete, sporozoite | Rel2 overexpression enhances mosquito IMD pathway | [14] |