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Acid tea soils metagenome

ABSTRACT: Acid tea soils Metagenome

PROVIDER: PRJNA978980 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24806553_1.fastq.gz	Fastqsanger.gz
	SRR24806553_2.fastq.gz	Fastqsanger.gz
	SRR24806554_1.fastq.gz	Fastqsanger.gz
	SRR24806554_2.fastq.gz	Fastqsanger.gz

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Investigating Relationship between Plant Hormones and Important Substances in Harvested Tea Leaves Before Withering

Project description:Senescence is initiated immediately in harvested tea leaves, and leads to physiological and biochemical changes, and could affects the final tea products. In the present work, we investigated the relationship between hormones and critical components in harvested tea leaves before withering, changes in hormones including abscisic acid (ABA), salicylic acid (SA), jasmonic acid (JA), and critical components like catechins, theanine, and caffeine were analyzed. Significant changes in these substances were identified and ABA correlated with catechin in harvested tea leaves before withering. RNA-seq transcriptome analysis revealed dramatic differences between tea samples at 1 h and 2 h compared with those at 0 h. The patterns of these three critical components correlated with the expression profiles of differentially expressed genes (DEGs). Weighted correlation network analysis of co-expressed genes revealed that genes in the mediumpurple2 module correlated with ABA and catechins. The results of this study suggest that harvested tea leaves before withering undergo significant hormonal changes (ABA, JA, and SA) and ABA may participate in regulating catechin biosynthesis.

2020-01-31 | GSE143970 | GEO

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Steroids originating from bacterial bile acid degradation affect Caenorhabditis elegans and indicate potential risks for the fauna of manured soils

Project description:Bile acids are steroid compounds from the digestive tracts of vertebrates that enter agricultural environments in unusual high amounts with manure. Bacteria degrading bile acids can readily be isolated from soils and waters including agricultural areas. Under laboratory conditions, these bacteria transiently release steroid compounds as degradation intermediates into the environment. These compounds include androstadienediones (ADDs), which are C19-steroids with potential hormonal effects. Experiments with Caenorhabditis elegans showed that ADDs derived from bacterial bile acid degradation had effects on its tactile response, reproduction rate, and developmental speed. Additional experiments with a deletion mutant as well as transcriptomic analyses revealed that these effects might be conveyed by the putative testosterone receptor NHR-69. Soil microcosms showed that the natural microflora of agricultural soil is readily induced for bile acid degradation accompanied by the transient release of steroid intermediates. Establishment of a model system with a Pseudomonas strain and C. elegans in sand microcosms indicated transient release of ADDs during the course of bile acid degradation and negative effects on the reproduction rate of the nematode. This proof-of-principle study points at bacterial degradation of manure-derived bile acids as a potential and so-far overlooked risk for invertebrates in agricultural soils.

2019-02-08 | GSE126214 | GEO

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A Qualitative Proteome-wide Lysine Succinylation Profiling of Tea Revealed Its Involvement in Primary Metabolism

Project description:Background: Lysine succinylation of proteins has potential impacts on protein structure and function, which occurred on post-translation level. However, the information about the lysine succinylation of proteins in tea plants is limited. In the present study, the significant signal of succinylation in tea plants was found by western blot. Subsequently, we performed qualitative analyses to globally identify lysine succinylation substrates by using high accuracy nano LC-MS/MS combined with affinity purification. Results: As a result, a total of 142 lysine succinylation sites were identified in 86 proteins. The identified succinylated proteins are involved in various biological processes and a large proportion of the succinylation sites are present on proteins in the primary metabolism pathway, including glyoxylate and dicarboxylate metabolism, the tricarboxylic acid (TCA) cycle and glycine, serine and threonine metabolism. Moreover, 10 new succinylated sites on histones were detected in tea plants either. Conclusions: These results suggested that succinylated proteins in tea plants might play critical regulatory roles in biological processes, especially in the primary metabolism. This study not only globally analysed the functional annotation of lysine succinylation in tea plants, but also provided valuable information for further investigating the functions of lysine succinylation in tea plants.

2022-02-23 | PXD011717 | Pride

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