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Lentinula edodes (Shitake mushroom)

Kingdom: Fungi
Phylum: Basidiomycota
Class: Hymenomycete
Order: Agaricales
Family: Tricholomataceae
Genus: Lentinula
Species: L. edodes
(1)

Picture
Classification (1)
Description(1):
  • Decomposes dead organic material
  • Usually grows on trees that have broad leaves
  • Most commonly found on chestnut trees
  • White rot fungus: capable of degrading lignin 
  • Produce mycelia: responsible for the absorption of nutrients through extracellular digestion
Habitat:
  • From eastern Asia, mainly China and Japan(1)
PictureBasidium (1)
Reproduction(1):
  • Produce basidia: basidium is club- shaped and responsible for spore production, spores produced are referred to as basidiospores
  • Basidia are where both karyogamy and meiosis take place
  • Basidia form on gills and therefore the mushroom cap itself serves as protection for this important reproductive structure
  • Once spores are dispersed from the gills and germinate, they form haploid hyphae
  • Next, the haploid hyphae find a mating pair, undergo plasmogamy, and are then dikaryotic mycelium
  • When conditions are right, the fruiting body of Lentinula edodes will form
  • When the two nuclei fuse together, karyogamy occurs
  • The nucleus, which is then diploid goes through meiosis: The haploid spores are then in the basidia and can be dispelled by the wind
  • From there, the life cycle starts all over again





Picture
Conservation Status(1):
  • Highly cultivated for consumption and medicinal purposes
Interesting Facts(1):
  •  World's second most cultivated mushroom (after the button mushroom)
  • Shiitake mushroom usage dates back to the Ming Dynasty
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