Download - Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

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Page 1: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

HeterodontosaurusinhabitedallregionsofEarth’ssupercon6nent,Pangea,200millionyearsago.Althoughverywidespreadandsuccessful,scien6stsknowveryliBleaboutthiscreature.

Page 2: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

PalaeontologistsfromtheUniversityoftheWitwatersrandinSouthAfricaandfromtheESRFhavescanned,onID17,themostcompletefossilskeletonofthisdinosaureverfound.

Page 3: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

Thissmall,plant-ea6ngdinosaurhadgrindingteethinthebackofthejawandlargecaninesinthefront.Scien6stshopetounderstandhowHeterodontosaurusate,movedandbreathed.Thefossilwasdiscoveredinariverbedin

SouthAfricabyBillydeKlerk.

Page 4: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

FortwodecadestheESRFhasbeendevelopinguniqueworldwideexper6seinpalaeontology,designingnon-invasivetechniquesspecificallyforpalaeontologicalstudies.

Page 5: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

TheESRFisuniqueinthatthehigh-resolu6onoftheimagesgeneratedhelpsscien6stsdecipherbetweenhardrocksurroundingthefossilandthebonecapturedinside.

Page 6: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

Usingthehigh-resolu6onimagesofthescan,scien6stscanvirtuallydigouttheskeletonandreconstructtheanimalin3D.

Page 7: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

“it'slikelyajuvenile:theskullbonesaren'tstronglysuturedtogether.Onthefirstscanswecanseetheopeningsintheskullwhichareforthebalanceorgans.”-Prof.JonahChoiniere,WitsUniversity,SA.

OnID17,theteamtakesafirstlookattheimagesofthescans.

Page 8: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Complete Heterodontosaurus scanned

ESRFpalaeontologist,VincentFernandez,co-leaderoftheresearch,setsthedinosaurskullinplacebeforestar6ngfivedaysofround-the-clockscansonID17.

Page 9: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Noroviruscausesinfec6ousgastroenteri6s,ahighlycontagiousstomachbug,andaffectsmillionsofpeopleofallagesaroundtheworld.

Can breast milk protect against norovirus?

Page 10: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Therearefewwaystopreventinfec6onandthediseasecanbedangerousforbabiesandtheelderly,duetodehydra6on.

Can breast milk protect against norovirus?

Page 11: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

StudiesperformedattheESRFallowedscien6ststoshowthatcomponentsofbreastmilkcouldbeanaturaldecoyinhumans,blockingnorovirusfromaBachingtocellularligandsandthusavoidinginfec6on.

Can breast milk protect against norovirus?

Page 12: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

HumannorovirusesbindtoHisto-BloodGroupAn6gens(HBGAs).Inbreastmilk,humanmilkoligosaccharides(HMOs)containbuildingblocksthatresemblethoseofHBGAs.

Can breast milk protect against norovirus?

Page 13: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

ResearchersfromHeidelbergUniversity,theGermanCancerResearchCenter,andthecompanyJenneweinBiotechnologieGmbHanalysedtheabilityofhumannorovirustobindtotwooligosaccharidesfromhumanbreastmilk:2’FLand3FL.

Can breast milk protect against norovirus?

Page 14: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

Theteamfoundthatboth2'-fucosyllactose(2'FL)and3FLstructurallyblockthebindingsitesthatnorovirususesforbindingtoHBGAs.Poten6alapplica6onsfromthisstudyincludetheop6onofusing2’FLand3FLasnorovirusan6virals.

Can breast milk protect against norovirus?

Page 15: Complete Heterodontosaurus scanned photos... · Complete Heterodontosaurus scanned This small, plant-eang dinosaur had grinding teeth in the back of the jaw and large canines in the

TheexperimentstookplaceonbeamlinesID23-1,ID30A-1(MASSIF-1)andID30B.Photo:ChristophMüeller-Dieckmann,scien6stonID30B,duringanofficialvisittothebeamline.

Can breast milk protect against norovirus?