One Plus One Equals One: Symbiosis and the evolution of complex life PDF
Preview One Plus One Equals One: Symbiosis and the evolution of complex life
ONE PLUS ONE EQUALS ONE 3 GreatClarendonStreet,Oxford,OXDP, UnitedKingdom OxfordUniversityPressisadepartmentoftheUniversityofOxford. ItfurtherstheUniversity’sobjectiveofexcellenceinresearch,scholarship, andeducationbypublishingworldwide.Oxfordisaregisteredtrademarkof OxfordUniversityPressintheUKandincertainothercountries ©JohnArchibald Themoralrightsoftheauthorhavebeenasserted FirstEditionpublishedin Impression: Allrightsreserved.Nopartofthispublicationmaybereproduced,storedin aretrievalsystem,ortransmitted,inanyformorbyanymeans,withoutthe priorpermissioninwritingofOxfordUniversityPress,orasexpresslypermitted bylaw,bylicence,orundertermsagreedwiththeappropriatereprographics rightsorganization.Enquiriesconcerningreproductionoutsidethescopeofthe aboveshouldbesenttotheRightsDepartment,OxfordUniversityPress,atthe addressabove Youmustnotcirculatethisworkinanyotherform andyoumustimposethissameconditiononanyacquirer PublishedintheUnitedStatesofAmericabyOxfordUniversityPress MadisonAvenue,NewYork,NY,UnitedStatesofAmerica BritishLibraryCataloguinginPublicationData Dataavailable LibraryofCongressControlNumber: ISBN –––– PrintedinGreatBritainby ClaysLtd,StIvesplc For Shauna, Cameron, and Miles ColinTurnbull()tookapygmyfriend,Kenge,outoftheforestfor the first time in his life, and they climbed a mountain together and looked out over the plains. Kenge saw some buffalo ‘grazing lazily severalmilesaway,fardownbelow.Heturnedtomeandsaid.“What insectsarethose?”...AtfirstIhardlyunderstood,thenIrealizedthat intheforestvisionissolimitedthatthereisnogreatneedtomakean automaticallowancefordistancewhenjudgingsize.Outhereinthe plains,Kengewaslookingforthefirsttimeoverapparentlyunending milesofunfamiliargrasslands,withnotatreeworththenametogive himanybasisforcomparison...WhenItoldKengethattheinsects were buffalo, he roared with laughter and told me not to tell such stupidlies.’ RichardDawkins,,TheExtendedPhenotype,p. CONTENTS ListofFigures viii AcknowledgementsandNotetoReader x Introduction . Life as We Don’t Know It . Revolutions in Biology . The Seeds of Symbiosis . Molecular Rulersof Life’s Kingdoms . Bacteria Become Organelles: An Insider’s Take . The Complex Cell: When, Who, Where, and How? . Green Evolution, Green Revolution . Back to the Future . Epilogue Glossary Endnotes Index vii LIST OF FIGURES . Schematicdiagramsshowingcross-sectionsof prokaryoticandeukaryoticcells. . SchematicdiagramshowingthepackagingofDNA withinthenucleusofaeukaryoticcell. . Schematicevolutionarytreesdepictingtheclassical andsymbioticviewsoftheevolutionofeukaryotic organismsfromprokaryoticcells. . Simplifiedschematicdiagramshowingtheprocess ofATPsynthesisinoxygen-utilizingmitochondria. . Schematicevolutionarytreesshowingtherelative positionsofeukaryoticlineageswithandwithout classicalmitochondria. . Twoevolutionaryscenariosfortheoriginofthe mitochondrionandtheeukaryoticcell. . Transmissionelectronmicrographicimagesshowing theinternalstructureofacomplexalgalcell. . Simplifiedschematicdiagramshowingtheprocess ofoxygenicphotosynthesisinchloroplasts. . Endosymbioticeventsgivingrisetophotosynthesisin eukaryotes. . Schematicevolutionarytreedepictingtherelationships betweensomeoftheeukaryoticlineagesdiscussed throughoutthisbook. viii LIST OF FIGURES . (A)Transmissionelectronmicrographicimageof Paulinellachromatophora;(B)alightmicrographicimage ofPaulinellashowinginternalstructures;(C)light micrographicimageofRhopalodiasp. ix
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