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Toxicofera z greckoyi ti sho nosyat toksini klada luskatih reptilij sho vklyuchaye tri suchasni grupi istot zmiyi Serpentes iguanopodibni Iguania veretilnicepodibni Anguimorpha Toxicofera mistit blizko 4600 vidiv majzhe 60 suchasnih luskatih Squamata 1 Vin ohoplyuye vsi vidi otrujnih reptilij a takozh chislenni sporidneni neotrujni vidi Isnuye malo morfologichnih dokaziv sho pidtverdzhuyut cyu grupu odnak vona bula znajdena za dopomogoyu vsih molekulyarnih analiziv stanom na 2012 rik 2 3 4 ToxicoferansPeriod isnuvannya serednya yura nash chasGrimuchnik Crotalus Biologichna klasifikaciyaCarstvo Tvarini Animalia Tip Hordovi Chordata Klas Plazuni Reptilia Ryad Luskati Squamata Klada ToxicoferaVidal amp Hedges 2005Vikishovishe ToxicoferaFilogenetika RedaguvatiZv yazok mizh cimi suchasnimi grupami ta kilkoma vimerlimi taksonami pokazano na nastupnij kladogrami yaka bazuyetsya na Reeder et al 5 Toxicofera Serpentes nbsp Mosasauria nbsp Anguimorpha nbsp Polyglyphanodontia Iguania nbsp Otruta RedaguvatiOtruta v luskatih ranishe vvazhalasya ridkistyu Zokrema vvazhalosya vidsotok vidiv zmij yaki vvazhayutsya otrujnimi buv vidnosno nevelikim 25 6 U 2003 roci bulo opublikovano doslidzhennya v yakomu opisuvalas otruta v pidrodinah zmij u yakih ranishe vvazhalosya sho voni vidsutni 7 Podalshe doslidzhennya stverdzhuye sho majzhe vsi neotrujni zmiyi viroblyayut otrutu do pevnoyi miri sho svidchit pro yedine i takim chinom nabagato bilsh drevnye pohodzhennya otruti nizh vvazhalosya do togo chasu Ci zmiyi yak pravilo mayut menshu kilkist otruti ta pozbavleni specialnogo ikla dlya in yekciyi otruti 8 9 Ce sponukalo do podalshih doslidzhen yaki priveli do vidkrittya otruti i geniv otruti u vidiv iz grup pro yaki ranishe ne bulo vidomo sho voni yiyi viroblyayut napriklad sered iguanopodibnih i varanovih Vvazhayetsya sho ce bulo rezultatom pohodzhennya vid spilnogo predka yakij viroblyav otrutu Pidrahovano sho spilni predki yaki vpershe rozrobili otrutu v kladi Toxicofera zhili 200 miljoniv rokiv tomu 1 Inshi vcheni zayavili sho tverdzhennya pro nayavnist otrujnih zaloz u bagatoh z cih tvarin prizvelo do nedoocinki riznomanitnosti skladnih rolej yaki vidigrayut oralni vidilennya v biologiyi reptilij stvorili duzhe vuzke uyavlennya pro rotovi vidilennya i prizveli do nepravilnoyi interpretaciyi evolyuciyi reptilij 10 Takozh bulo vislovleno pripushennya sho bagato spilnih toksiniv yaki lezhat v osnovi gipotezi Toxicofera naspravdi ne ye toksinami 11 Primitki Redaguvati a b Fry Bryan G Vidal Nicolas Norman Janette A Vonk Freek J Scheib Holger Ramjan S F Ryan Kuruppu Sanjaya Fung Kim Blair Hedges S Richardson Michael K Hodgson Wayne C Ignjatovic Vera Summerhayes Robyn Kochva Elazar 2005 Early evolution of the venom system in lizards and snakes Nature 439 7076 584 8 Bibcode 2006Natur 439 584F PMID 16292255 doi 10 1038 nature04328 Vidal Nicolas Hedges S Blair 2009 The molecular evolutionary tree of lizards snakes and amphisbaenians Comptes Rendus Biologies 332 2 3 129 39 PMID 19281946 doi 10 1016 j crvi 2008 07 010 Pyron R Burbrink Frank T Wiens John J 2013 A phylogeny and revised classification of Squamata including 4161 species of lizards and snakes BMC Evolutionary Biology 13 93 PMC 3682911 PMID 23627680 doi 10 1186 1471 2148 13 93 Wiens J J Hutter C R Mulcahy D G Noonan B P Townsend T M Sites J W Reeder T W 2012 Resolving the phylogeny of lizards and snakes Squamata with extensive sampling of genes and species Biology Letters 8 6 1043 6 PMC 3497141 PMID 22993238 doi 10 1098 rsbl 2012 0703 Reeder Tod W Townsend Ted M Mulcahy Daniel G Noonan Brice P Wood Perry L Sites Jack W Wiens John J 2015 Integrated Analyses Resolve Conflicts over Squamate Reptile Phylogeny and Reveal Unexpected Placements for Fossil Taxa PLOS ONE 10 3 e0118199 Bibcode 2015PLoSO 1018199R PMC 4372529 PMID 25803280 doi 10 1371 journal pone 0118199 Fry Bryan G Vidal Nicolas Van Der Weerd Louise Kochva Elazar Renjifo Camila 2009 Evolution and diversification of the Toxicofera reptile venom system Journal of Proteomics 72 2 127 36 PMID 19457354 doi 10 1016 j jprot 2009 01 009 Fry B G Wuster W Kini R M Brusic V Khan A Venkataraman D Rooney A P 2003 Molecular Evolution and Phylogeny of Elapid Snake Venom Three Finger Toxins Journal of Molecular Evolution 57 1 110 29 Bibcode 2003JMolE 57 110F PMID 12962311 doi 10 1007 s00239 003 2461 2 Fry Bryan G Lumsden Natalie G Wuster Wolfgang Wickramaratna Janith C Hodgson Wayne C Manjunatha Kini R 2003 Isolation of a Neurotoxin a colubritoxin from a Nonvenomous Colubrid Evidence for Early Origin of Venom in Snakes Journal of Molecular Evolution 57 4 446 52 Bibcode 2003JMolE 57 446F PMID 14708577 doi 10 1007 s00239 003 2497 3 Fry B G Wuster W 2004 Assembling an Arsenal Origin and Evolution of the Snake Venom Proteome Inferred from Phylogenetic Analysis of Toxin Sequences Molecular Biology and Evolution 21 5 870 83 PMID 15014162 doi 10 1093 molbev msh091 Weinstein Scott A Smith Tamara L Kardong Kenneth V 14 lipnya 2009 Reptile Venom Glands Form Function and Future U Stephen P Mackessy Handbook of Venoms and Toxins of Reptiles Taylor amp Francis s 76 84 ISBN 978 1 4200 0866 1 Arhiv originalu za 11 zhovtnya 2013 Procitovano 18 lipnya 2013 Hargreaves Adam D Swain Martin T Logan Darren W Mulley John F 2014 Testing the Toxicofera Comparative transcriptomics casts doubt on the single early evolution of the reptile venom system Toxicon 92 140 56 PMID 25449103 doi 10 1016 j toxicon 2014 10 004 Arhiv originalu za 16 sichnya 2022 Procitovano 16 sichnya 2022 Otrimano z https uk wikipedia org w index php title Toxicofera amp oldid 40180760