Revealing Fungal Diversity in Mesophilic and Thermophilic Habitats of Sewage Sludge Composting by Next-Generation Sequencing

Author:

Petkova Mariana1ORCID,Shilev Stefan1ORCID

Affiliation:

1. Department Microbiology and Environmental Biotechnologies, Faculty of Plant Protection and Agroecology, Agricultural University—Plovdiv, 12 Mendeleev Str., 4000 Plovdiv, Bulgaria

Abstract

The accumulation of sewage sludge is a severe problem in many countries. Its utilization through composting has the potential to become a widely applied technology. From this perspective, our study investigated the diversity of fungi in mesophilic and thermophilic habitats when composting biosolids, cow manure and wheat straw. It was conducted using a metagenomic approach and next-generation Illumina HiSeq2000 sequencing to reveal the fungal diversity. We found significantly enhanced microbial activity in the thermophilic phase. In contrast, the activity of enzyme β-glucosidase was 29% higher in the mesophilic zone. The range of α-diversity values was more pronounced in the mesophilic habitats than in the thermophilic habitats based on diversity indices. At the class level, the mesophilic fungi were represented by Sordariomycetes—58.7%, Pezizomycetes—15.1% and Agaricomycetes—12.3%, while the most abundant thermophilic fungi found were Sordariomycetes—39.5% and Pezizomycetes—9.8%. In the further clarification of genera diversity, it is striking that at 37.2 °C, Psathyrella was the most abundant with 35.91%, followed by Chaetomidium with 20.11%. Among the thermophiles, Thielavia and Mortierella were the most common. Further research on microbial diversity changes over time is needed to manage the metabolic processes in obtaining quality soil amendment.

Funder

Bulgarian Ministry of Education and Science

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3