Everything about The Labyrinthulomycetes totally explained
The
Labyrinthulomycetes are a group of
protists that produce a network of or
tubes, which serve as tracks for the cells to glide along and absorb
nutrients for them. There are two main groups, the
labyrinthulids and
thraustochytrids. They are mostly
marine, commonly found as
parasites on
alga and
seagrass or as decomposers on dead plant material. They also include some parasites of marine invertebrates.
Although they're outside the cells, the filaments are surrounded by a
membrane. They are formed and connected with the cytoplasm by a unique organelle called a
sagenogen or
bothrosome. The cells are uninucleate and typically ovoid, and move back and forth along the
amorphous network at speeds varying from 5-150 μm per minute. Among the labyrinthulids the cells are enclosed within the tubes, and among the thraustochytrids they're attached to their sides.
The Labyrinthulomycetes were originally considered unusual
slime moulds, although they're not very similar to the other sorts. The structure of their
zoospores and genetic studies show them to be a primitive group of
heterokonts, but their classification and treatment remains somewhat unsettled.
Further Information
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