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Macrocyst

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Subject: Slime molds, Dictyostelium discoideum, Axostyle, Cytostome, Pit connection
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Macrocyst

A macrocyst is an aggregate of cells of Dictyosteliida formed during sexual reproduction enclosed in a cellulose wall [1]:468.

If two amoebae of different mating types are present in a dark and wet environment, they can fuse during aggregation to form a giant cell. The giant cell will then engulf the other cells in the aggregate and encase the whole aggregate in a thick, cellulose wall to protect it. This is known as a macrocyst. Inside the macrocyst, the giant cell divides first through meiosis, then through mitosis to produce many haploid amoebae that will be released to feed as normal amoebae would.

See also

References

  1. ^ Madigan M, Martinko J (editors) (2006). Brock Biology of Microorganisms (11th ed. ed.). Prentice Hall.  
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