Por que pandas comem bambu mesmo tendo “intestinos carnívoros”?

Por que pandas comem bambu mesmo tendo “intestinos carnívoros”? Entenda

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[{"selector":"#anim-da05b174-308a-4a15-8d3d-f211063f1b79","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e23e73b9-d9f3-461f-8b58-bb267ee02255","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5ed62428-1050-4713-84f1-c807441a6d9a","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-0b277ce8-457a-4487-8a00-67f7a682eea2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Os pandas são famosos por amarem bambu, mas os mamíferos fofos, na verdade, têm sistemas digestivos típicos de animais que seguem uma dieta à base de carn e — e cientistas chineses agora acreditam saber o porquê Pexels

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[{"selector":"#anim-4e2d7417-1a95-418e-99e5-4b451c181f50 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-28.88287824105001%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-b5279082-3a7b-4ee4-849b-7d38c739c486","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7967ab6b-0a44-4e7a-b8d9-6363db8c5504","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-49da8021-a207-486b-aacd-84b87f5a3c9b","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-a3106fef-da8f-423c-a0a5-91ef46456fb8","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] O miRNA desempenha “um papel na regulação da expressão gênica dos pandas gigantes”, diz Li Feng, um dos autores seniores da universidade. Li e seus colegas descobriram que a molécula pode moldar processos fisiológicos nos corpos dos pandas, como crescimento e ritmos biológicos Pexels

O miRNA no bambu também está envolvido na regulação das vias do olfato, paladar e dopamina dos pandas gigantes, todas relacionadas aos seus hábitos alimentares

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[{"selector":"#anim-d668b82e-8051-4e51-a568-d2761b3a5ae9 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-16.568629929491603%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-fa897e1a-05f9-45d7-8b06-46d74336dc2f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b0a812d-bc89-43ca-9ad3-bc44a3ddaf90","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-a64decf4-9a5e-41b6-b415-7d06d1375f2e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-3c98074f-b06b-4e56-981e-fb80d7bb833c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] O estudo foi baseado em amostras de sangue de seis pandas adultos e um juvenil, nas quais os cientistas detectaram 57 traços de miRNAs provavelmente derivados do bambu. Eles esperam que a descoberta possa ajudar cientistas a entender melhor o efeito do miRNA vegetal em animais Pexels

[{"selector":"#anim-4abdf2d4-4939-4130-9202-b8d66f78db9d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b830f191-b467-427c-962b-d10208711bdd","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-ac4473a5-488f-4389-96f0-a84b536f0960","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-55be6453-f1e5-4fce-9fae-42a80dc95b1c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Embora a dieta do panda consista quase inteiramente de folhas, caules e brotos de bambu, cerca de 1% de sua alimentação vem de outras plantas — e até mesmo carne, como pequenos roedores, de acordo com o Fundo Mundial para a Natureza (WWF) Pexels

CNNBRASIL.COM.BR

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