Botryotrichum and Scopulariopsis Secondary Metabolites and Biological Activities

Elkhateeb, Waill A; Daba, Ghoson M.

doi:10.31579/2766-2314/067

Cited by 4 publications

(3 citation statements)

References 16 publications

(19 reference statements)

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“…In addition, although both belonged to saprophytic fungi, Cladorrhinum increased, whereas that of Botryotrichum decreased under the co-incorporation of green manure and biochar treatments ( Figure 3B ). Botryotrichum can produce some secondary metabolites that are unfavorable for plant growth ( Elkhateeb and Daba, 2022 ). Therefore, the decrease in abundance Botryotrichum suggested that the co-incorporation of green manure and biochar could potentially decrease crop morbidity and increase soil health.…”

Section: Discussionmentioning

confidence: 99%

Interaction between dissolved organic carbon and fungal network governs carbon mineralization in paddy soil under co-incorporation of green manure and biochar

Cheng,

Wang,

et al. 2023

Front. Microbiol.

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Legume crops in rice cultivation are typically rotated and incorporated into the soil as green manure to improve soil fertility. Biochar has recently been co-incorporated with green manure to simultaneously stimulate soil organic carbon (SOC) mineralization and increase carbon (C) sequestration. However, few studies examine the effects of the co-incorporation of biochar and green manure on C cycling and the underlying microbial mechanisms in paddy fields. In this study, the effects of the co-incorporation of green manure and biochar on C mineralization, dissolved organic carbon (DOC) characteristics, and microbial community structures were investigated. A pot study was conducted with three treatments: inorganic NPK (NPK), inorganic NPK + green manure (GM), and inorganic NPK + green manure + biochar (GMC). Organic amendments significantly increased cumulative C mineralization, with amounts in the order GMC (3,434 mg·kg−1) > GM (2,934 mg·kg−1) > NPK (2,592 mg·kg−1). Fertilizer treatments had similar effects on DOC concentrations, with amounts in the order GMC (279 mg·kg−1) > GM (255 mg·kg−1) > NPK (193 mg·kg−1). According to fluorescence spectra, the highest microbial humic acid-like fraction and biological index were also in GMC. Co-incorporation of green manure and biochar shifted the composition of bacterial and fungal communities but more importantly, increased fungal network complexity and decreased bacterial network complexity. The increase in fungal network complexity with the increase in DOC concentrations and microbially derived components was the dominant factor in promoting C mineralization. Overall, this study reveals the underlying biochemical mechanism, the interaction between DOC and fungal network of C cycling in paddy soil under the co-incorporation of green manure and biochar management, and provides fundamental knowledge for exploring effective approaches to improve soil fertility and health in the future.

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Section: Discussionmentioning

confidence: 99%

Interaction between dissolved organic carbon and fungal network governs carbon mineralization in paddy soil under co-incorporation of green manure and biochar

Cheng,

Wang,

et al. 2023

Front. Microbiol.

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“…7B-C). Their fast growth was accompanied by thick cell walls containing melanin, which strongly delayed the decomposition of their necromass [63,71,72]. Therefore, the combined input of C and N not only caused the rapid growth of individual saprophytic fungi, but also increased the residence time of their necromass [73].…”

Section: Contributions Of Fungal Individuals Versus Modules To Necrom...mentioning

confidence: 99%

Individual fungal taxa drive community structure change and necromass accumulation increment

Meng,

Zhang,

Fan

et al. 2023

Preprint

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Background Conversion of accessible organic compounds to fungal biomass and subsequent necromass is a crucial process for soil organic matter accrual. The contribution of fungal community structure and biomass to necromass accumulation in croplands remain unclear. Results We assessed the fungal necromass increment by amino sugar content in soil of a long-term field experiment after straw return and nitrogen (N) fertilization. The fungal absolute copy number and community structure were assessed by absolute quantitative sequencing technology. Straw input and N-fertilization-induced wheat growth was the main factor in increasing fungal absolute copy number, altering community structure, and consequently boosting necromass accumulation. N fertilization additionally shifted the fungal community structure by alleviating N limitation and balancing the C:N ratio of added material. The fungal community structure, rather than the total absolute copy number, was the best predictor of necromass increment. Specifically, necromass increment were primarily attributed to the rapid growth of individual fungal taxa rather than the keystones in dominant modules. Specifically, the community structure changed towards the aggregation of pathogenic fungi represented by Pyrenochaetopsis and Dokmaia under high straw return and low or no N fertilization scenarios, while in the scenario of co-existence of straw and N fertilization increased the abundance of saprophytic fungi, represented by Ascobolus and Botryotrichum, replaced pathogenic fungi and dominated the community structure change and raised the fungal necromass accumulation. Conclusions In conclusion, individual fungal taxa drive community structure changes and necromass increment.

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“…The application of fungal secondary metabolites in various fields of biotechnology has attracted the interests of many researchers. Bioactive compounds have various applications in pharmacology and agriculture [16][17][18][19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Fungal protein (Mycoprotein) what to know about

Elkhateeb¹

2022

JMR

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Botryotrichum and Scopulariopsis Secondary Metabolites and Biological Activities

Cited by 4 publications

References 16 publications

Interaction between dissolved organic carbon and fungal network governs carbon mineralization in paddy soil under co-incorporation of green manure and biochar

Interaction between dissolved organic carbon and fungal network governs carbon mineralization in paddy soil under co-incorporation of green manure and biochar

Individual fungal taxa drive community structure change and necromass accumulation increment

Fungal protein (Mycoprotein) what to know about

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