Proc Biol Sci January 2014 PMID 24307675

Recurrent gene loss correlates with the evolution of stomach phenotypes in gnathostome history.

L Filipe C Castro, Odete Gonçalves, Sylvie Mazan, Boon-Hui Tay, Byrappa Venkatesh, Jonathan M Wilson

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Peak: 11 in Aug 2023

across 6 sources since Jul 2023

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AI synopsis

What people are saying

The discussions feature a mix of curiosity and skepticism, with examples like the mention of animals that 'don't have a stomach but are doing fine,' highlighting the novelty and surprising nature of the findings. The tone varies from casual commentary to references to scientific concepts, showing some engagement but limited perception of immediate or broad impact.

AgreementLow agreement

Most discussions reflect skepticism or neutral views about the significance of stomach loss, with some implying that the phenomenon challenges traditional views, but not outright contesting the research.

InterestModerate interest

Posts show moderate curiosity, especially with references to animals without stomachs and mentioning recent discoveries or media content related to the research.

EngagementModerate engagement

Some users cite specific studies or facts, like the loss of gastric genes, indicating a basic level of deeper engagement.

ImpactNeutral impact

While the discussions raise thought-provoking points about animal evolution, they do not suggest this research has a dramatic influence on broader scientific or societal issues.

Abstract in brief

The study examines how the loss of certain key gastric genes, such as kitHKATPase and pepsinogens, is linked to the absence of a stomach in various gnathostome (jawed vertebrate) species, including some fish, lungfish, and egg-laying mammals.
It finds that species lacking a stomach also lack these essential gastric genes, and that the number and integrity of pepsinogen genes vary among gastric species due to multiple pseudogenization events, which are mutations that deactivate genes.
The research suggests that once gastric genes are lost, it’s highly unlikely they can be regained, meaning evolutionarily stomach loss is generally permanent because the genes necessary for stomach formation are usually absent.]

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All mentions

Why Some Animals Evolved Without Stomachs

Explore why creatures like platypuses, pufferfish, and seahorses have evolved without functioning stomachs and how they survive without this organ, revealing fascinating insights into vertebrate evolution.

SciShow · Jul 6, 2023 275,814 views

Evolution of Stomach Loss in Jawed Vertebrates and Genetic Implications

This video explores the diversity of stomach presence among creatures and investigates how the loss of key gastric genes correlates with the absence of a stomach in gnathostomes. It highlights the genetic factors and…

SciShow Tangents · Nov 12, 2024 31,229 views

Buzz

@itsbezio.bsky.social · Bluesky

Come watch the tangents premiere on stomachs! youtu.be/ATO5FdqnA1g?...

Nov 12, 2024 · 1 like · 1 share View post →

Yyy:3

@Yyy344154998 · X

https://t.co/RTT2YVxD1G

May 24, 2024 · 285 followers View post →

原　拓史

@haltaq · X

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Chauliodus

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沼@ハイアイアイ臨海実験所

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Masa-aki Yoshida

@yoshidamasaaki · X

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Yu Nakajima

@nkjmu · X

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とよけらとぷす

@rex_toyo · X

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Yoshitugu Tuduki/都築良継

@TSMoon56 · X

Aug 3, 2023 · 12 shares · 2,931 followers View post →

KN（生物系翻訳）『家畜化という進化』『世界のサメ』『世界のクモ』『地球博物学大図鑑』など

@KanaeNishio · X

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know thyself（子豚のオリバー)

@thyself_know · X

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Kenji Fukushima (福島健児)

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Tiago Henrique

@tiago35henrique · X

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Anna

@anna26458 · X

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No Such Thing as a Seagull

@nosuchseagull · X

RT @SciShow: Some animals just don't have a stomach, but they're doing fine without one. https://t.co/aOiGKGRpoW https://t.co/73EIv8K5Y3

Jul 7, 2023 · 1 share · 547 followers View post →

BravoKitty411

@BravoKitty411 · X

These Animals Lost Their Stomachs. Why? https://t.co/FRr38Dywxq via @YouTube

Jul 6, 2023 · 36 followers View post →

SmonkingFags

@SmonkingFags · X

Crowder's losing it https://t.co/c4DppTnSlw

Jul 6, 2023 · 1,096 followers View post →

SciShow

@SciShow · X

Some animals just don't have a stomach, but they're doing fine without one. https://t.co/aOiGKGRpoW https://t.co/73EIv8K5Y3

Jul 6, 2023 · 12 likes · 1 share · 115,489 followers View post →