Secreted Microbial Enzymes for Organic Compound Degradation

McKee, Lauren S.; Inman, Annie

doi:10.1007/978-981-13-9117-0_10

Cited by 2 publications

(2 citation statements)

References 148 publications

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“…The enzymatic deconstruction of complex carbohydrates is an integral part of the carbon cycle [1,2], contributing to plant health [3,4], soil fertility [5,6] and other biogeochemical processes [7,8]. The enzymes used by soil bacteria to break down biomass are mostly glycoside hydrolases (GHs) [9].…”

Section: Introductionmentioning

confidence: 99%

Multiple enzymatic approaches to hydrolysis of fungal β‐glucans by the soil bacterium Chitinophaga pinensis

Rämgård

Ergenlioğlu

et al. 2023

The FEBS Journal

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The genome of the soil Bacteroidota Chitinophaga pinensis encodes a large number of glycoside hydrolases (GHs) with noteworthy features and potentially novel functions. Several are predicted to be active on polysaccharide components of fungal and oomycete cell walls, such as chitin, β‐1,3‐glucan and β‐1,6‐glucan. While several fungal β‐1,6‐glucanase enzymes are known, relatively few bacterial examples have been characterised to date. We have previously demonstrated that C. pinensis shows strong growth using β‐1,6‐glucan as the sole carbon source, with the efficient release of oligosaccharides from the polymer. We here characterise the capacity of the C. pinensis secretome to hydrolyse the β‐1,6‐glucan pustulan and describe three distinct enzymes encoded by its genome, all of which show different levels of β‐1,6‐glucanase activity and which are classified into different GH families. Our data show that C. pinensis has multiple tools to deconstruct pustulan, allowing the species' broad utility of this substrate, with potential implications for bacterial biocontrol of pathogens via cell wall disruption. Oligosaccharides derived from fungal β‐1,6‐glucans are valuable in biomedical research and drug synthesis, and these enzymes could be useful tools for releasing such molecules from microbial biomass, an underexploited source of complex carbohydrates.

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Section: Introductionmentioning

confidence: 99%

Multiple enzymatic approaches to hydrolysis of fungal β‐glucans by the soil bacterium Chitinophaga pinensis

Rämgård

Ergenlioğlu

et al. 2023

The FEBS Journal

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“…Trichoderma spp., which can mineralize organic nutrients by producing large quantities of extracellular enzymes, reduces chemical inputs, such as biofertilizers, promoting sustainable agriculture and natural resources conservation [155,156]. These rhizosphere microorganisms liberate extracellular enzymes for starting the degradation of high molecular polymers that lead to the death of negative plant pathogenic fungi [157].…”

Section: Trichoderma Sppmentioning

confidence: 99%

A Review: Soil Management, Sustainable Strategies and Approaches to Improve the Quality of Modern Viticulture

2021

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Conservative and sustainable soil management in vineyards is an approach of primary importance not only for the yield (tons per hectare) and grapes’ quality (primary and secondary metabolites), but also for the greater preservation of the ecosystem. Compared to sustained-conventional tillage and perpetual applications of fertilizers and phytopharmaceutical, these techniques give a primary role for safeguarding biodiversity, conserving soil fertility, and keeping vegetative–productive balance. The soil and, consequently, the wine production are in fact an intimate ecosystem jeopardized not only by a reckless approach by man (technical input, such as pesticides, fuel, fertilizers, and herbicides, are estimated to be responsible for 24% of anthropogenic greenhouse gases emissions), but also by climate change, as rising summer temperatures and reduced precipitation leads to production declines and water shortages in the soil. In fact, there are several risks associated with unbalanced soil management, such as compaction, pollution, soil erosion, soil organic matter (SOM) depletion, and loss of biodiversity, that lead to a drop in grape quality and quantity. In this context, soil management in viticulture and sustainable strategies assume greater significance to improve the quality of modern viticulture. This review aims to highlight new agronomic techniques capable of enhancing the resilience of the system and contributing to conservation and ecosystem services provision, especially as wine consumers increasingly appreciate environmentally friendly farming practices. In particular, the review aims to focus the positive implications and repercussions as a result of these practices (e.g., compost, vermicompost, biochar, Ascophyllum nodosum, Arbuscular mycorrhizal fungi (AMF), Trichoderma, zeolite, partial root drying, cover cropping, and mulching).

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Secreted Microbial Enzymes for Organic Compound Degradation

Cited by 2 publications

References 148 publications

Multiple enzymatic approaches to hydrolysis of fungal β‐glucans by the soil bacterium Chitinophaga pinensis

Multiple enzymatic approaches to hydrolysis of fungal β‐glucans by the soil bacterium Chitinophaga pinensis

A Review: Soil Management, Sustainable Strategies and Approaches to Improve the Quality of Modern Viticulture

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