Related Experiment Video

Updated: Apr 5, 2026

Compost Microcosms as Microbially Diverse, Natural-like Environments for Microbiome Research in Caenorhabditis elegans
07:19

Compost Microcosms as Microbially Diverse, Natural-like Environments for Microbiome Research in Caenorhabditis elegans

Published on: September 13, 2022

2.8K

Effect of multi-stage inoculation on the bacterial and fungal community structure during organic municipal solid

Beidou Xi1, Xiaosong He2, Qiuling Dang2

  • 1Innovation Base of Groundwater and Environmental Systems Engineering, Chinese Research Academy of Environmental Science, Beijing 100012, China; Lan Zhou Jiao Tong University, Lanzhou 730070, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.

Bioresource Technology
|August 11, 2015
PubMed

Insights

Multi-stage inoculation enhances municipal solid waste (MSW) composting by extending the high-temperature phase and increasing bacterial and fungal diversity. This method promotes dominant microorganism growth for more effective composting.

Area of Science:

  • Environmental Microbiology
  • Waste Management Science

Background:

  • Municipal solid waste (MSW) composting is crucial for waste reduction and resource recovery.
  • Understanding microbial community dynamics is key to optimizing composting efficiency.

Purpose of the Study:

  • To investigate the impact of multi-stage inoculation on bacterial and fungal communities during MSW composting.
  • To evaluate the effect of this treatment on thermophilic phases and microbial diversity.

Main Methods:

  • Polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) was employed.
  • Bacterial and fungal community compositions were analyzed throughout the composting process.

Main Results:

  • Multi-stage inoculation extended the high-temperature composting period by 1-5 days compared to other treatments.
  • The secondary fermentation temperature reached 51°C with multi-stage inoculation.
  • This method significantly improved bacterial and fungal diversity, reaching maximums on days 17 and 20, respectively.
  • Enhanced growth of dominant, often uncultured, microorganisms was observed.

Conclusions:

  • Multi-stage inoculation is an effective strategy for enhancing MSW composting.
  • The treatment optimizes thermophilic phases and microbial community structure.
  • Further research into compost microbial cultivation technologies is warranted.
Keywords:
CompostingMicrobial community structureMulti-inoculationPCR-DGGE

More Related Videos

Biocontained Carcass Composting for Control of Infectious Disease Outbreak in Livestock14:34

Biocontained Carcass Composting for Control of Infectious Disease Outbreak in Livestock

Published on: May 6, 2010

11.4K
A Plate Competition Assay As a Quick Preliminary Assessment of Disease Suppression05:23

A Plate Competition Assay As a Quick Preliminary Assessment of Disease Suppression

Published on: October 28, 2018

8.5K

Related Concept Videos

Soil Microbial Ecology01:29

Soil Microbial Ecology

Soil microbial ecology is defined by highly diverse, spatially structured communities that drive nutrient cycling, organic matter turnover, and overall ecosystem stability. Although a gram of soil can contain thousands of bacterial and archaeal taxa, the ecological processes they mediate are even more crucial for sustaining terrestrial life.Microhabitats and NichesSoil is a heterogeneous mixture of minerals, organic matter, water, and air. Microbes inhabit distinct microhabitats formed by...
54
Methods to Assess Microbial Communities01:19

Methods to Assess Microbial Communities

Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
37