3_skin microbiome - created from Mind Map

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ecosystem

interactions

disease

abundance ( not limited to bacteria)

virus, fungi, arthropods

fungi-Malassezia: lipophilic microbe (associated with sebum-rich areas of skin)

host & skin microbiota

microbe-microbe

within or on a host

negative impact

positive impact

no impact

detrimental relationship

1(+),1(-)

mutualism

2(+)

commensalism

1 (+), 1(unaffected)

bacterium-bacterium

bacterium-fungus

s. epidermidis

protect skin from pathogens

produce antimicrobial peptides (PSMS)

p. aeruginosa

skin and nail infections

acne

psoriasis

rosacea

Propionibacterium acnes

colonises sebarous follicles that contain micromedons

provide anaerobic and lipid rich environment

Firmicutes

inflamation skin disorder

Demodex mite

on facial skin

bacteria in its gut is released in skin tissue