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ABSTRACT: Transcriptome change associated with GhSBI in fruiting branch

PROVIDER: PRJNA972525 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24555765_1.fastq.gz	Fastqsanger.gz
	SRR24555765_2.fastq.gz	Fastqsanger.gz
	SRR24555766_1.fastq.gz	Fastqsanger.gz
	SRR24555766_2.fastq.gz	Fastqsanger.gz
	SRR24555767_1.fastq.gz	Fastqsanger.gz

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Project description:The M-bM-^@M-^Xdevelopmental hourglassM-bM-^@M-^Y concept suggests that intermediate developmental stages are most resistant to evolutionary changes and that differences between species arise through divergence later in development. This high conservation during mid-development is illustrated by the M-bM-^@M-^XwaistM-bM-^@M-^Y of the hourglass and it represents a low probability of evolutionary change. Earlier molecular surveys both on animals and plants have shown that the genes expressed at the waist stage are more ancient and more conserved in their expression. The existence of such a developmental hourglass has not been explored in fungi, another eukaryotic kingdom. In this study, we generated a series of transcriptomic data covering the entire lifecycle of a model mushroom-forming fungus, Coprinopsis cinerea, and we observed a molecular hourglass over its development. The M-bM-^@M-^Xyoung fruiting bodyM-bM-^@M-^Y (YFB) is the stage that expresses the evolutionarily oldest (lowest transcriptome age index, TAI) transcriptome and gives the strongest signal of purifying selection (lowest transcriptome divergence index, TDI). We also demonstrated that all three kingdoms M-bM-^@M-^S animals, plants and fungi M-bM-^@M-^S display high expression levels of genes in M-bM-^@M-^Xinformation storage and processingM-bM-^@M-^Y at the waist stages, whereas the genes in M-bM-^@M-^XmetabolismM-bM-^@M-^Y become more highly expressed later. Besides, the three kingdoms all show underrepresented M-bM-^@M-^Xsignal transductionM-bM-^@M-^Y at the waist stages. The synchronic existence of a molecular M-bM-^@M-^XhourglassM-bM-^@M-^Y across the three kingdoms reveals a mutual strategy for eukaryotes to incorporate evolutionary innovations. NimbleGen custom microarray with total RNAs extracted from two biological replicates for each stage of mycelium, fruiting initials (~2mm tall), stage 2 primordium (~1cm tall), young fruiting body (~2cm tall) and the fully-expanded cap of the mature fruiting body (~4cm tall). Mycelia from 5 agar plates were collected and pooled to form one replicate. For the other stages, 4-5 independent structures were isolated and their RNA extracted as one replicate sample.

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