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Table 2 Allelochemicals and target

From: Allelopathy as a potential strategy to improve microalgae cultivation

Compounds Organism Target Reference
Phenolic compounds    
4,4’-dihydroxybiphenyl Nostoc insulare Geitlerinema sp. Cyanobacteria Bacteria [66, 67]
Fungi
Fatty acid    
Timnodonic acid and stearidonic acid Red algae : Neodilsea yendoana, Palmaria palmata, Chondrus yendoi, and Ptilota filicina Eukaryotic microalgae red tide planktons (Chattonella antiqua ) [68, 69]
α-linolenic, oleic, linoleic, and palmitic acids Botryococcus braunii Copepoda (Nauplius sp., Eodiaptomus sp., Cyclopina sp. Cladocera (Bosmina sp., Diaphanosoma sp.) Rotifera (Keratella sp). [70]
Alkaloids    
Nostocarboline Nostoc sp , Nodularia sp. Microcystis aeruginosa Kirchneriella contorta Synechococcus Gram- negative bacteria [71, 72]
Dimers of Nostocarboline   Gram positive (methicillin-resistant Staphylococcus aureus [73]
12-epi-hapalindole E isonitrile 12-epi-hapalindole F Fischerella sp Hapalosiphon sp Escherichia coli Microcystis (strains NPLS 1, NPJB 1 and CENA 62) Synechococcus PCC 7942. [74, 75]
Ambiguines Ambiguine H isonitrile and ambiguine I isonitrile) Fischerella sp. Escherichia coli ESS K-12 Staphyloccocus albus a Bacillus subtilis a Saccharomyces cereisiae Candida albicans [76]
Calothrixin Calaothrix sp Bacillus subtilis Plasmodium falciparum [74]
Fischerellins A Fischerella sp Synechococcus PCC 7942. [75]
Welwitindolinones Hapalosiphon welwitschii Westiella intricata Antifungal and insecticidal activity [77]
Peptides    
microcystin-LR Cyanobacteria Chlamydomonas reinhardtii, [61]
Polyunsaturated aldehydes (PUAs)  
Decatrienal Diatom (Thalassiosira sp.) Copepods Phytoplankton Bacteria [78]
Octatrienal and Heptadienal Diatomn (Skeletonema marinoi Thalassiosira sp) Copepods Phytoplankton
Terpenoids    
Comnostins Nostoc commune Antibacterial activity against Staphylococcus epidermis [79]