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Resource: used or used up in processes

Antibiotics

Appears in 3 processs and 4 steps. Everything below is linked: open a process to see it in context.

Top processes

Actinomycetes: Streptomyces hyphal life cycle, extracellular enzymes and antibiotics

2 steps

Antibiotics suppress competing bacteria and fungi and at low dose act as signals that alter neighbour gene expression
Neighbours evolve resistance, so antibiotic production and resistance co-escalate

Soil protists: flagellates, amoebae and ciliates as selective bacterial grazers

1 step

Pseudomonas produce toxins (2,4-diacetylphloroglucinol, hydrogen cyanide) and other metabolites that help them escape protist grazing

Predatory bacteria: Bdellovibrio and Myxococcus hunting soil prey

1 step

Myxococcus xanthus glides in groups (wolf-pack) toward prey, secreting antibiotics and lytic enzymes

Often found with

Streptomyces 2 Competing bacteria 2 Soil fungi 1 Carbon 1 Pseudomonas fluorescens 1 Soil protists 1 Hydrogen cyanide 1 Myxococcus xanthus 1 Extracellular enzymes 1

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