Saprotrophic bacteria

Saprotrophic bacteria are bacteria that are typically soil-dwelling and utilize saprotrophic nutrition as their primary energy source. They are often associated with soil fungi that also use saprotrophic nutrition and both are classified as saprotrophs.[1]

A saprotroph is a type of decomposer that feeds exclusively on dead and decaying plant matter.[2] Saprotrophic organisms include fungi, bacteria, and water molds which are critical to decomposition and nutrient cycling, providing nutrition for consumers at higher trophic levels. They obtain nutrients via absorptive nutrition, in which nutrients are digested by a variety of enzymes and subsequently secreted by the saprotroph.[1]

Community composition and proliferation rates of saprotrophic indicator bacteria are often considered signals of community health in soil, aquatic,[3] and bodily systems.[4]

  1. ^ a b "Saprotroph | Definition, Description, & Major Groups | Britannica". www.britannica.com. Retrieved 2022-12-22.
  2. ^ "What are Saprophytes? – Examples and Characteristics". MicroscopeMaster. Retrieved 2022-12-22.
  3. ^ Donsel, Dale J. Van; Geldreich, Edwin E.; Clarke, Norman A. (1967-11-01). "Seasonal Variations in Survival of Indicator Bacteria in Soil and Their Contribution to Storm-water Pollution". Applied Microbiology. 15 (6): 1362–1370. doi:10.1128/am.15.6.1362-1370.1967. ISSN 0003-6919. PMC 547201. PMID 16349746. S2CID 237233381.
  4. ^ Shin, Na-Ri; Whon, Tae Woong; Bae, Jin-Woo (September 2015). "Proteobacteria: microbial signature of dysbiosis in gut microbiota". Trends in Biotechnology. 33 (9): 496–503. doi:10.1016/j.tibtech.2015.06.011. ISSN 0167-7799. PMID 26210164.
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