Peroxisomes

last updated by

honeev 18 years, 2 months ago

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- October 3, 2006 at 7:59 pm #5888
  bionewbie
  Participant
  Hi, I just have a really quick question: what is the origin of peroxisomes – is it from the ER or the Golgi? The reason that I am confused is because peroxisomes are very similar to lysosomes, but they are different organelles. I just need some clarification. Thanks
- October 4, 2006 at 12:39 am #55935
  honeev
  Keymaster
  Lysosomes are built in the Golgi apparatus.. but peroxisomes, no..
  Peroxisomes are self replicating organelles like mitochondria. They replicate by enlarging and then budding to produce new peroxisomes. Peroxisomes may also be formed directly…
  ^_^
- October 4, 2006 at 1:08 am #55936
  honeev
  Keymaster
  if you want to know its origin or from where it evolved… the endosymbiotic origin of peroxisomes was previously proposed… juz like mitochondria as they are self-replicating organelles… but recent findings indicate peroxisomes are likely to originate or evolve from ER
  ^_^
- October 4, 2006 at 2:46 pm #55965
  Condraz23
  Participant
  Structurally, peroxisomes and lysosomes are quite different since peroxisomes have a crystalline core. I don’t think they are endosymbionts.
- October 4, 2006 at 5:32 pm #55976
  MrMistery
  Participant
  still an active research site. complicated mechanism of budding and formation. it’s still not known how a peroxisome knows when to split(maybe a recent discovery?!)
  one of my main interests, but, unfortunately, not much to read about it..
- October 5, 2006 at 7:14 am #56006
  honeev
  Keymaster
  you can check out this article about peroxisome if you like…
  http://www.biology-online.org/articles/ … xisome.htm
  ^_^
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