hormonal regulation of development by auxin and cytokinin in moss

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1、c10BLBK148-KnightFebruary26,200911:44CharCount=AnnualPlantReviews(2009)36,246281www.interscience.wiley.comdoi:10.1111/b.9781405181891.2009.000010.xChapter10HORMONALREGULATIONOFDEVELOPMENTBYAUXINANDCYTOKINININMOSSKlausvonSchwartzenbergBiozentrumKleinFlottbekundBotanischerGarten,Univ

2、ersitatHamburg,Hamburg¨D-22609,GermanyAbstract:Sincetheearlydaysofplanthormoneresearch,bryophyteshaveat-tractedstudiesondevelopmentalandreproductiveprocesses.Itisastrikingchar-acteristicofbryophytesthattheyrespondtoseveralplanthormones,andmodelplantssuchasthemossPhyscomitrellapaten

3、sthereforeofferinsightsintothehor-monalsignallingprocessesthatwereestablishedinalandplantlineagewhichhasdivergedfromseedplantsca.430millionyearsago.Thisreviewaimstosummariseknowledgeonauxinandcytokinininmosses,therebyoutlininghormonalactiononamorphogeneticandmolecularlevelaswellasb

4、iosynthesisandmetabolismofthesehormones.Inthisrespect,therecentassemblyoftheP.patensgenomesequenceprovidesextremelyvaluabledataenablingcomparativeapproachestodeciphertheevolutionofhormone-mediatedregulatorynetworksinplants.Keywords:auxin;bryophytes;cytokinin;moss;phytohormones;plan

5、thormonesAbbreviations:Auxins2,4-D2,4-dichlorophenoxyaceticacidIAAindole-3-aceticacidNAAnaphthylaceticacidPCIBparachlorophenoxyisobutyricacid(anti-auxin)CytokininsBAN6-benzyladenineBARN6-benzyladenosinecZcis-zeatincZRcis-zeatinribosidecZRMPcis-zeatin-riboside-5
-monophosphatecZOGci

6、s-zeatin-O-glucoside246c10BLBK148-KnightFebruary26,200911:44CharCount=HormonalRegulationofDevelopmentbyAuxinandCytokinininMoss
247cZROGcis-zeatin-riboside-O-glucosideDHZdihydrozeatinDHZRdihydrozeatinribosideDHZROGdihydrozeatinriboside-O-glucosideiPN6-(
2-isopentenyl)adenineiPRN6-(

7、2-isopentenyl)adenosineiPRMPN6-(
2-isopentenyl)adenosine-5
-monophosphatemTmeta-topolinoTortho-topolintZtrans-zeatintZRtrans-zeatinribosidetZRMPtrans-zeatin-riboside-5
-monophosphatetZOGtrans-zeatin-O-glucosidetZROGtrans-zeatinriboside-O-lucoside10.1Majorplanthormoneroutesareestabl

8、ishedinbryophytesMossesare