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A collagenolytic streptomycete

R P Mukhopadhyay1, A L Chandra

  • 1Department of Microbiology, Bose Institute, Calcutta, India.

Indian Journal of Experimental Biology
|November 1, 1996
PubMed
Summary
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A soil bacterium, Streptomyces wartii, effectively degraded collagen from various animal sources, releasing significant hydroxyproline. This microorganism also demonstrated an ability to break down leather products.

Area of Science:

  • Microbiology
  • Biochemistry
  • Biotechnology

Background:

  • Collagen, a primary structural protein, is abundant in animal tissues and poses challenges for degradation.
  • Microbial enzymes offer potential solutions for collagen breakdown and valorization.
  • Soil microorganisms are a rich source of novel enzymes with diverse catalytic activities.

Purpose of the Study:

  • To isolate and identify soil microorganisms capable of degrading collagen.
  • To characterize the collagenolytic activity of the isolated strain.
  • To assess the potential application of the microorganism in collagen and leather degradation.

Main Methods:

  • Isolation of collagen-degrading bacteria from soil samples.
  • Cultivation of Streptomyces sp. A11 and preparation of collagen substrates.

Related Experiment Videos

  • Degradation assays using various collagen sources (bovine Achilles tendon, calf skin, etc.) and leather.
  • Taxonomic characterization and identification of the bacterial isolate.

    • Main Results:

    • Streptomyces sp. A11 successfully degraded collagen from diverse sources, including bovine Achilles tendon, calf skin, human placenta, carp swim bladder, and rat tail tendon.
    • Significant quantities of hydroxyproline were released, indicating collagen hydrolysis.
    • The bacterium also degraded hide powder and vegetable-tanned leather.
    • The isolate was identified as Streptomyces wartii through taxonomic characterization.

    Conclusions:

    • Streptomyces wartii possesses potent collagenolytic enzymes capable of degrading various collagenous materials.
    • The findings suggest potential applications for Streptomyces wartii in the biodegradation of collagen-rich waste and leather processing.
    • Further research into the specific enzymes involved could lead to biotechnological advancements.