🧬🐟 The #Amazon #molly, an all-female #fish from #Texas and #Mexico rivers, has cloned itself for over 100,000 years – long past the predicted extinction deadline.

A 2026 #Nature #study by researchers at University of #Missouri and LMU #Munich shows the fish uses “gene conversion,” a #DNA repair trick, to erase bad #mutations and spread good ones without #sex.

👉 https://www.sciencealert.com/scientists-finally-know-how-an-all-female-fish-keeps-cloning-itself

#genetics #evolution #cloning #parthenogenesis #genome #geneconversion #reproduction #biology #science

Scientists Finally Know How an All-Female Fish Keeps Cloning Itself

It may sound too bizarre to be true, but the Amazon molly (Poecilia formosa), a fish that inhabits rivers, lakes, and swamps in Mexico and Texas, exists over much of its range in populations that are 100% female.

ScienceAlert

(the answer is: isopods and _Wolbachia_)

- Charlat, S., Hurst, G. D. D., & Merçot, H. (2003). Evolutionary consequences of Wolbachia infections. Trends in Genetics, 19(4), 217–223. https://doi.org/10.1016/s0168-9525(03)00024-6  https://sci-hub.box/10.1016/S0168-9525(03)00024-6  

- Leclercq, S., Thézé, J., Chebbi, M. A., Giraud, I., Moumen, B., Ernenwein, L., Grève, P., Gilbert, C., & Cordaux, R. (2016). Birth of a W sex chromosome by horizontal transfer of Wolbachia bacterial symbiont genome. PNAS, 113(52), 15036–15041. https://doi.org/10.1073/pnas.1608979113  

#isopods #Isopoda #Wolbachia #parasitism #endosymbiosis #parthenogenesis

This Insect Is Born Already Pregnant

https://tube.blueben.net/w/mdWzEuZ89ueXdfHBRArhdf

This Insect Is Born Already Pregnant

PeerTube

Discover 10 amazing animals that can have virgin births, from dragons to birds of prey

Been teaching this very aspect in my classes over the last 2 weeks as part of my ReproBio lectures.
#Parthenogenesis #Reproduction #Science #Scicomm
https://www.discoverwildlife.com/animal-facts/virgin-births-in-animals

The females who don't need males to reproduce: Discover 10 amazing animals that can have virgin births, from dragons to birds of prey | Discover Wildlife

Believe it or not there are a number of animals from birds to lizards - capable of having virgin births. Here are 10

Discover Wildlife

🥳🙌 🐜 👏 🎉 Successful MSc defence by Nora Kerschbaumer @uniinnsbruck on “Genetic colony structure in Eastern Alpine Lasius fuliginosus ants: putative clonal worker production”

Congrats to you, MSc Nora, & thanks to Julia Seeber & Barbara Thaler-Knoflach!

#parthenogenesis #WomeninSTEM #womeninstem_dach

Female Lizard Gives Birth Through Parthenogenesis in Rare Occurrence

Parthenogenesis is a rare and fascinating phenomenon, showing how certain reptiles can bypass the need for male fertilization. This event could offer hope for species like the casque-headed iguana, but it's not a reliable long-term solution for conservation. Still, it opens up important discussions ...

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Female Lizard Gives Birth Through Parthenogenesis in Rare Occurrence

Lol, nature flexin' on us again. Who needs males, huh? Guess we’re not as special as we thought. Still, props to this iguana for showing how adaptable life can be—cloning for the win. Conservation’s gotta pay attention tho.

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KillBait - News highlights delivered clearly and responsibly—no clickbait, no sensationalism.

KillBait is a news aggregator developed by students and professionals in journalism and web development. Our focus is on providing readers with clear and relevant summaries of each news story.

Female Lizard Gives Birth Through Parthenogenesis in Rare Occurrence

Parthenogenesis in reptiles like the casque-headed iguana challenges our view of reproduction—showing how species can adapt and survive without males. This rare event could be key for conservation, especially for endangered species facing habitat loss and poaching. Nature’s resilience is amazing.

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KillBait - News highlights delivered clearly and responsibly—no clickbait, no sensationalism.

KillBait is a news aggregator developed by students and professionals in journalism and web development. Our focus is on providing readers with clear and relevant summaries of each news story.

Female Lizard Gives Birth Through Parthenogenesis in Rare Occurrence

A female casque-headed iguana at Telford's Exotic Zoo in Shropshire, UK, has given birth to eight hatchlings without mating with a male, in what is being described as one of the rarest events in the animal kingdom. The phenomenon, known as parthenogenesis, occurs when an embryo develops from an unfe... [More info]