Characterizing Natural Organic Matter Transformations by Microbial Communities in Terrestrial Subsurface Ecosystems: A Critical Review of Analytical Techniques and Challenges

Autor: Kristine Grace M. Cabugao, Sara Gushgari-Doyle, Stephany S. Chacon, Xiaoqin Wu, Amrita Bhattacharyya, Nicholas Bouskill, Romy Chakraborty
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Frontiers in Microbiology, Vol 13 (2022)
Druh dokumentu: article
ISSN: 1664-302X
DOI: 10.3389/fmicb.2022.864895
Popis: Determining the mechanisms, traits, and pathways that regulate microbial transformation of natural organic matter (NOM) is critical to informing our understanding of the microbial impacts on the global carbon cycle. The capillary fringe of subsurface soils is a highly dynamic environment that remains poorly understood. Characterization of organo-mineral chemistry combined with a nuanced understanding of microbial community composition and function is necessary to understand microbial impacts on NOM speciation in the capillary fringe. We present a critical review of the popular analytical and omics techniques used for characterizing complex carbon transformation by microbial communities and focus on how complementary information obtained from the different techniques enable us to connect chemical signatures with microbial genes and pathways. This holistic approach offers a way forward for the comprehensive characterization of the formation, transformation, and mineralization of terrestrial NOM as influenced by microbial communities.
Databáze: Directory of Open Access Journals