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Actinomycetes are common microorganisms in the soil, as they play an essential role in the degradation of plant cells walls. This study selected three isolates (ID6-455, ID6-479 and, ID6-279) from previous studies with cellulolytic, mannanolytic, and xylanolytic activities. The three isolates belonged to the genus Streptomyces and produced clear zones on media containing Carboxy Methyl Cellulose (CMC), Locust Bean, and Birchwood Xylan as substrates. Strains ID6-455 are cellulolytic actinomycetes, ID6-479 are xylanolytic actinomycetes, and ID6-279 are mannanolytic actinomycetes. In this study, the viability of the mixed actinomycetes cultures was monitored in the final compost product, studied the effect of three selected actinomycetes isolates in the application of plant waste biomass decomposition in the form of eucalyptus litter, rice straw, and corn stalk waste as substrates. The addition of mixed inoculum for biomass composting can accelerate the maturation of biomass waste compost. Compost from corn stalks degraded faster than rice straw and eucalyptus leaves. The added actinomycetes culture can survive at high composting temperatures.

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Application of Lignocellulase-Producing Strains Actinomycetes to Decompose Plant Waste Materials

  • 会议论文

  • 发表日期：

    2025年

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  • Shanti Ratnakomala,
  • Fahrurrozi,
  • Puspita Lisdiyanti

摘要

Actinomycetes are common microorganisms in the soil, as they play an essential role in the degradation of plant cells walls. This study selected three isolates (ID6-455, ID6-479 and, ID6-279) from previous studies with cellulolytic, mannanolytic, and xylanolytic activities. The three isolates belonged to the genus Streptomyces and produced clear zones on media containing Carboxy Methyl Cellulose (CMC), Locust Bean, and Birchwood Xylan as substrates. Strains ID6-455 are cellulolytic actinomycetes, ID6-479 are xylanolytic actinomycetes, and ID6-279 are mannanolytic actinomycetes. In this study, the viability of the mixed actinomycetes cultures was monitored in the final compost product, studied the effect of three selected actinomycetes isolates in the application of plant waste biomass decomposition in the form of eucalyptus litter, rice straw, and corn stalk waste as substrates. The addition of mixed inoculum for biomass composting can accelerate the maturation of biomass waste compost. Compost from corn stalks degraded faster than rice straw and eucalyptus leaves. The added actinomycetes culture can survive at high composting temperatures.