One time event:eukaryotic cell from prokaryotsl?

  • Thread starter Thread starter SW VandeCarr
  • Start date Start date
  • Tags Tags
    Cell Time
Click For Summary

Discussion Overview

The discussion revolves around the evolution of eukaryotic cells from prokaryotes, specifically focusing on the idea that this transition occurred as a one-time event. Participants explore implications of this theory, including the rarity of complex life forms in the universe. The conversation includes references to recent articles and theories related to this evolutionary process.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants reference a recent article in Nature suggesting that eukaryotic cells evolved from prokaryotes in a singular event, implying that complex life may be rare in the universe.
  • There is a request for insights from those who have access to the full article, indicating a desire for deeper understanding of the claims made.
  • One participant shares a link to an article in New Scientist that provides additional details, although they express caution about the reliability of that source.
  • Another participant mentions Nick Lane's theories on the evolution of complex life, specifically his views on bacterial genome limitations and competition among species, suggesting that these ideas may relate to the Nature article.

Areas of Agreement / Disagreement

Participants express interest in the topic and share resources, but there is no consensus on the implications of the discussed theories or the reliability of the sources. Multiple viewpoints regarding the evolution of eukaryotic cells and the interpretation of related research remain present.

Contextual Notes

Some participants note the challenges of accessing scientific literature, which may limit the depth of discussion. There is also mention of differing opinions on the credibility of various sources referenced in the conversation.

SW VandeCarr
Messages
2,199
Reaction score
77
The linked abstract from a recent article in Nature suggests that eukaryotic cells evolved form prokaryotes in a one time event and that prokaryotes show no tendency to evolve toward greater complexity. This would suggest that complex terrestrial type life forms might be extremely rare in the universe. I don't have free access to the full paper. I wonder if someone who does can comment on it.

http://www.nature.com/nature/journal/v467/n7318/full/nature09486.html
 
Last edited by a moderator:
Biology news on Phys.org
How interesting, if we don't have an answer by then i think ill buy that article when i get paid.
 
madcat8000 said:
How interesting, if we don't have an answer by then i think ill buy that article when i get paid.

Well thank you, but buy it for own interest. I have bought articles on occasion and have several subscriptions, but the typical 30 plus dollar charge makes buying every article that interests me a bit expensive and annoying since most of the research is paid for by taxpayers. It's over 170 km for me to the nearest medical/science library, so I check out some articles about once a month or so if I can't find them online.

If anyone has access to this full article, I would just like to hear they're ideas.
 
Last edited:
You do know that Nick Lane is an author who has written a book about this?

https://www.amazon.com/dp/0192804812/?tag=pfamazon01-20

If there's anything at all new in that paper its probably a method of action that informs his theory on why bacterial genomes are limited by the time and energy it takes to copy them. His pet theory states that if a bacterial species arose with a large complex genome that it would be out competed by faster breeders. However once a methogen had incorperated a bacterial helper that gave it more energy it could phagocytize its competition and was immune from them. Its a modification of the Hydrogen hypothsis.
 
Last edited by a moderator:

Similar threads

  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 1 ·
Replies
1
Views
5K
Replies
6
Views
4K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 6 ·
Replies
6
Views
6K
  • · Replies 7 ·
Replies
7
Views
9K
Replies
4
Views
4K
  • · Replies 3 ·
Replies
3
Views
2K
Replies
1
Views
1K
  • · Replies 18 ·
Replies
18
Views
14K