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1、Parasitism,HostImmuneFunction,andSexualSelectionAuthor(s):A.P.Moller,P.ChristeandE.LuxSource:TheQuarterlyReviewofBiology,Vol.74,No.1(Mar.,1999),pp.3-20Publishedby:TheUniversityofChicagoPressStableURL:http://www.jstor.org/stable/2664375.Accessed:20/11/201312:27YouruseoftheJSTORarchiveindicatesyou
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4、2PMAllusesubjecttoJSTORTermsandConditionsVOLUME74,No.1MARCH1999THEQUARTERLYREVIEWofBJOLOGYPARASITISM,HOSTIMMUNEFUNCTION,ANDSEXUALSELECTIONA.P.M0LLER,P.CHRISTE*ANDE.LuxLaboratoired'Tcologie,CNRSURA258UniversitePierreetMarieCurie7quaiSt.Bernard,Case237,F-75252ParisCedex05,FranceE-MAIL:AMOLLER@HALL
5、.SNV.JUSSIEU.FRABSTRACTParasite-mediatedsexualselectionmayariseasaconsequenceofl)femalesavoidingmateswithdirectlytransmittedparasites,2)femaleschoosingless-parasitizedmalesthatprovideparentalcareofsuperiorquality,or3)femaleschoosingmaleswithfewparasitesinordertoobtaingenesforparasiteresistancein
6、theiroffspring.Studiesofspecifichost-parasitesystemsandcomparativeanalyseshaverevealedbothsupportiveandconflictingevidenceforthesehypotheses.Ameta-analysisoftheavailableevidencerevealedanegativerelationshipbetweenparasiteloadandtheexpressionofmalesecondarysexualcharacters.Experimentalstudiesyiel
7、dedmorestronglynega-tiverelationshipsthanobservationsdid,andtherelationshipsweremorestronglynegativeforectoparasitesthanforendoparasites.Therewasnosignificantdifferenceinthemagnitudeofthenegativeeffectforspecieswithandwithou
