AnnualReviewofPhytopathologyTheReemergenceofPhycopathology:WhenAlgalBiologyMeetsEcologyandBiosecurityPedroMurúa,1,2AndreaGarvetto,2,3SuhelenEgan,4andClaireM.M.Gachon2,51InstitutodeAcuicultura,UniversidadAustraldeChile–SedePuertoMontt,LosLagos,Chile;email:pedro.murua@uach.cl2ScottishAssociationforMarineScience,ScottishMarineInstitute,Oban,UnitedKingdom3InstituteofMicrobiology,UniversitätInnsbruck,Innsbruck,Tyrol,Austria4CentreforMarineScienceandInnovation,SchoolofBiological,EarthandEnvironmentalSciences,UniversityofNewSouthWales,Sydney,Australia5MuséumNationald’HistoireNaturelle,CNRS,Paris,FranceAnnu.Rev.Phytopathol.2023.61:231–55FirstpublishedasaReviewinAdvanceonMay30,2023TheAnnualReviewofPhytopathologyisonlineatphyto.annualreviews.orghttps://doi.org/10.1146/annurev-phyto-020620-120425Copyright©2023bytheauthor(s).ThisworkislicensedunderaCreativeCommonsAttribution4.0InternationalLicense,whichpermitsunrestricteduse,distribution,andreproductioninanymedium,providedtheoriginalauthorandsourcearecredited.Seecreditlinesofimagesorotherthird-partymaterialinthisarticleforlicenseinformation.Keywordsalgaldiseases,algalaquaculture,algalecology,algalparasitologyAbstractViruses,bacteria,andeukaryoticsymbiontsinteractwithalgaeinavarietyofwaystocausediseasecomplexes,oftenshapingmarineandfreshwaterecosystems.Theadventofphyconomy(a.k.a.seaweedagronomy)repre-sentsaneedforagreaterunderstandingofalgaldiseaseinteractions,whereunderestimatedcrypticdiversityandlackofphycopathologicalbasisareprospectiveconstraintsforalgaldomestication.Here,wehighlightthelimitedyetincreasingknowledgeofalgalpathogenbiodiversityandtheeco-logicalinteractionwiththeiralgalhosts.Finally,wediscusshowecologyandcultivationexperiencecontributetoandreinforceaquacultureprac-tice,withthepotentialtoreshapebiosecuritypoliciesofseaweedcultivationworldwide.231Annu.Rev.Phytopathol.2023.61:231-255.Downloadedfromwww.annualreviews.orgAccessprovidedbyXinjiangInstituteofEcologyandGeography,CAoSon09/06/23.Seecopyrightforapp...
