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Tuber borchii

ABSTRACT: An edible ascomycete fungus, commonly known as bianchetto white truffle

PROVIDER: PRJNA12855 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	NESQ01.dat.gz	Other
	NESQ01.fasta.gz	Fasta.gz
	NESQ01.master.dat	Other
	SRR24710763_1.fastq.gz	Fastqsanger.gz

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Tuber borchii

Project description:An edible ascomycete fungus, commonly known as bianchetto white truffle

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Project description:We investigated the ascomycete truffle Tuber melanosporum exploits DNA methylation and transcription to cope with the more than 45,000 repeated elements that are present in its genome. Whole-genome bisulfite sequencing and RNA-sequencing, were performed on different developmental stages of this symbiotic hypogeous fungus -fruitbody (FB), free-living mycelium (FLM), and ectomycorrhiza. Examination of DNA methylation and transcription of truffle in its free living mycelium (FLM), fruit body (FB), and ectomycorrhizal root tips (ECM)

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Omics analysis in truffle (Tuber magnatum Pico): comparison of samples from different regions of Italy and from different seasons

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Transcriptome metabolic characterization of Tuber borchii SP1, a new Spanish strain for in vitro studies of the Bianchetto truffle

Project description:Truffles are ascomycete hypogeous fungi belonging to the Tuberaceae family of the Pezizales order that grow in ectomycorrhizal symbiosis with tree roots and are known for their peculiar aromas and flavors. Axenic culture of truffle mycelium is problematic because it is not possible in many cases, and the growth rate is meager when it is possible. This limitation prompts searching and characterizing new strains that can be handled in laboratory conditions for basic and applied studies. In this work, a new strain of Tuber borchii (strain SP1) has been isolated and cultured, and its transcriptome has been analyzed under different in vitro culture conditions. The results show that the best T. borchii SP1 growth was obtained using maltose-enriched cultures made with soft-agar and in static submerged cultures made at 22ºC. The transcriptome analysis of this strain cultured in different media indicated that most of the gene transcription effort is due to a limited number of genes (20% of genes account for 80% of the transcription), that the transcription profile of the central metabolism genes was similar in the different conditions analyzed with a transcription signal detected for around 80% of the annotated genes. The gene expression profile suggests that T. borchii uses a fermentative rather than respiratory metabolism, even in aerobic conditions. Finally, there is a reduced expression of genes belonging to secondary metabolite clusters, whereas there is a significative transcription of those involved in producing volatile aromatic compounds.

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