Life from Soil, Chapter 3

The chapter described in the following post is part of a very graphical powerpoint presentation on soil microbiology. This presentation is freely available at the Helmholtz-Centre for Environmental Research (UFZ) in Leipzig, Germany.

Bacteria and fungi are the main organisms involved in the decomposition of plant material.

Bacteria and Fungi

Bacteria and Fungi

Bacteria have evolved a number of useful properties for doing this job in the soil. Some of them can swim,,,

Swimming bacterium

Swimming bacterium

…others can form spores to survive unsuitable conditions…

Bacterial spore

Bacterial spore

…while some have adopted a fungus-like life-style.

Fungal life-style

Fungal life-style

Bacteria can communicate using various signal molecules.

Bacterial communication

Bacterial communication

Bacteria can form protective biofilms.

Biofilms

Biofilms

Fungi, in contrast, have a completely different way of living and of colonizing a given substrate.

Saprophytic fungus

Saprophytic fungus

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