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Studying Microbial Communities through Co-Occurrence Network Analyses during Processes of Waste Treatment and in Organically Amended Soils: A Review

机译:通过在废物处理过程中和有机修正的土壤中的共同发生网络分析微生物公共分析:综述

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摘要

Organic wastes have the potential to be used as soil organic amendments after undergoing a process of stabilization such as composting or as a resource of renewable energy by anaerobic digestion (AD). Both composting and AD are well-known, eco-friendly approaches to eliminate and recycle massive amounts of wastes. Likewise, the application of compost amendments and digestate (the by-product resulting from AD) has been proposed as an effective way of improving soil fertility. The study of microbial communities involved in these waste treatment processes, as well as in organically amended soils, is key in promoting waste resource efficiency and deciphering the features that characterize microbial communities under improved soil fertility conditions. To move beyond the classical analyses of metataxonomic data, the application of co-occurrence network approaches has shown to be useful to gain insights into the interactions among the members of a microbial community, to identify its keystone members and modelling the environmental factors that drive microbial network patterns. Here, we provide an overview of essential concepts for the interpretation and construction of co-occurrence networks and review the features of microbial co-occurrence networks during the processes of composting and AD and following the application of the respective end products (compost and digestate) into soil.
机译:有机废物具有在经历稳定过程之后用作土壤有机修改的潜力,例如通过厌氧消化(AD)堆肥或作为可再生能源的资源。堆肥和广告都是众所周知的环保方法,可以消除和回收大量废物。同样地,已经提出了堆肥修正案和消化(由AD产生的副产品)作为改善土壤肥力的有效途径。参与这些废物处理过程以及有机修正的土壤中涉及的微生物社区的研究是促进废弃物资源效率和解密特征在改善土壤肥力条件下表征微生物群落的特征的关键。为了超越常规分析的传导性数据,共同发生网络方法的应用表明,在微生物群落成员之间的相互作用中,识别其基石成员并建模驱动微生物的环境因素是有用的网络模式。在这里,我们概述了用于解释和构建共生网络的基本概念,并在堆肥和广告过程中回顾微生物共生网络的特征,以及在各个终端产品的应用之后(堆肥和消化)进入土壤。

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