Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Compost metagenome

ABSTRACT: Recovery of organic matter decomposition inhibited by oxygen deficiency at the early thermophilic stage of composting

PROVIDER: PRJDB14327 | ENA |

REPOSITORIES: ENA

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
	DRR403448_1.fastq.gz	Fastqsanger.gz
	DRR403448_2.fastq.gz	Fastqsanger.gz
	DRR403449_1.fastq.gz	Fastqsanger.gz
	DRR403449_2.fastq.gz	Fastqsanger.gz
	DRR403450_1.fastq.gz	Fastqsanger.gz

Items per page:

1 - 5 of 46

Similar Datasets

compost metagenome

Project description:Thermophilic composting of organic sludge for ammonia production

| PRJDB11525 | ENA

compost metagenome

Project description:Thermophilic composting of organic sludge for ammonia production

| PRJDB12003 | ENA

The soil organic matter decomposition mechanisms in ectomycorrhizal fungi are tuned for liberating soil organic nitrogen

Project description:Many trees form ectomycorrhizal symbiosis with fungi. During symbiosis, the tree roots supply sugar to the fungi in exchange for nitrogen, and this process is critical for the nitrogen and carbon cycles in forest ecosystems. However, the extents to which ectomycorrhizal fungi can liberate nitrogen and modify the soil organic matter and the mechanisms by which they do so remain unclear since they have lost many enzymes for litter decomposition that were present in their free-living, saprotrophic ancestors. Using time-series spectroscopy and transcriptomics, we examined the ability of two ectomycorrhizal fungi from two independently evolved ectomycorrhizal lineages to mobilize soil organic nitrogen. Both species oxidized the organic matter and accessed the organic nitrogen. The expression of those events was controlled by the availability of glucose and inorganic nitrogen. Despite those similarities, the decomposition mechanisms, including the type of genes involved as well as the patterns of their expression, differed markedly between the two species. Our results suggest that in agreement with their diverse evolutionary origins, ectomycorrhizal fungi use different decomposition mechanisms to access organic nitrogen entrapped in soil organic matter. The timing and magnitude of the expression of the decomposition activity can be controlled by the below-ground nitrogen quality and the above-ground carbon supply.

2018-11-30 | GSE110485 | GEO

Ectomycorrhizal fungi decompose humus-rich litter material using oxidative mechanisms adapted from saprotrophic ancestors

Project description:Decomposition of soil organic matter in forest soils is thought to be controlled by the activity of saprotrophic fungi, while biotrophic fungi including ectomycorrhizal fungi act as vectors for input of plant carbon. The limited decomposing ability of ectomycorrhizal fungi is supported by recent findings showing that they have lost many of the genes that encode hydrolytic plant cell-wall degrading enzymes in their saprophytic ancestors. Nevertheless, here we demonstrate that ectomycorrhizal fungi representing at least four origins of symbiosis have retained significant capacity to degrade humus-rich litter amended with glucose. Spectroscopy showed that this decomposition involves an oxidative mechanism and that the extent of oxidation varies with the phylogeny and ecology of the species. RNA-Seq analyses revealed that the genome-wide set of expressed transcripts during litter decomposition has diverged over evolutionary time. Each species expressed a unique set of enzymes that are involved in oxidative lignocellulose degradation by saprotrophic fungi. A comparison of closely related species within the Boletales showed that ectomycorrhizal fungi oxidized litter material as efficiently as brown-rot saprotrophs. The ectomycorrhizal species within this clade exhibited more similar decomposing mechanisms than expected from the species phylogeny in concordance with adaptive evolution occurring as a result of similar selection pressures. Our data shows that ectomycorrhizal fungi are potential organic matter decomposers, yet not saprotrophs. We suggest that the primary function of this decomposing activity is to mobilize nutrients embedded in organic matter complexes and that the activity is driven by host carbon supply. Comparative transcriptomics of ectomycorrhizal (ECM) versus brown-rot (BR) fungi while degrading soil-organic matter

2015-09-24 | E-GEOD-64897 | biostudies-arrayexpress

DOM composition changes in a warming peatland

Project description:Measure changes in dissolved organic matter composition and resulting microbial decomposition rates in an experimentally warmed peatland.

2021-05-27 | PXD019912 | Pride

Proteome analysis of thermophilic microorganisms in heat-treated sludge

Project description:The proteomics study of thermophilic microorganisms in the sludge heat-treated at 75 degrees Celsius, to investigate the heat-resistant enzymes related to the hydrolysis of sludge organic matter.

2023-05-05 | PXD042029 |

soil metagenome

Project description:Organic matter composting metagenomic sequencing

| PRJDB20635 | ENA

Ectomycorrhizal fungi decompose humus-rich litter material using oxidative mechanisms adapted from saprotrophic ancestors

2015-09-24 | GSE64897 | GEO

Impact of drought and plant litter chemistry on microbial gene expression

Project description:Drought represents a significant stress to microorganisms and is known to reduce microbial activity and organic matter decomposition in Mediterranean ecosystems. However, we lack a detailed understanding of the drought stress response of microbial decomposers. Here we present metatranscriptomic data on the physiological response of in situ microbial communities on plant litter to long-term drought in Californian grass and shrub ecosystems.

2020-05-01 | GSE148618 | GEO

Thermobifida fusca YX strain:YX

Project description:Thermophilic organism found in decaying organic matter.

| PRJNA94 | ENA