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ABSTRACT: Population sequencing enhances understanding of tea plant evolution

PROVIDER: PRJNA646044 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12265500_1.fastq.gz	Fastqsanger.gz
	SRR12265500_2.fastq.gz	Fastqsanger.gz
	SRR12265449_1.fastq.gz	Fastqsanger.gz
	SRR12265449_2.fastq.gz	Fastqsanger.gz
	SRR12265450_1.fastq.gz	Fastqsanger.gz

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Population sequencing enhances understanding of tea plant evolution

Project description:Population sequencing enhances understanding of tea plant evolution

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Identification and characterization of cold responsive microRNAs in tea plant (Camellia sinensis) based on high-throughput sequencing and their targets using degradome analysis [microarray]

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Project description:Anthracnose disease is caused by Colletotrichum gloeosporioides, and is common in leaves of the tea plant Camellia sinensis. MicroRNAs (miRNAs) have been known as key modulators of gene expression in defense responses; however, the role of miRNAs in tea plant during defensive responses to C. gloeosporioides remains unexplored. Six miRNA sequencing data sets and two degradome data sets were generated from C. gloeosporioides-inoculated and control tea leaves. A total of 485 conserved and 761 novel miRNAs were identified. Of those, 239 known and 369 novel miRNAs exhibited significantly differential expression under C. gloeosporioides stress. 1134 and 596 mRNAs were identified as targets of 389 and 299 novel and conserved miRNAs by degradome analysis, respectively. The expression levels of twelve miRNAs and their targets were validated by quantitative real-time PCR. The predicted targets of five interesting miRNAs were further validated through 5'RLM-RACE. Furthermore, Gene Ontology and metabolism pathway analysis revealed that most of the target genes were involved in translation, carbohydrate metabolism and signal transduction pathways. This study enriches the resources of defense-responsive miRNAs and their targets in C. sinensis, and thus, provides novel insights into the miRNA-mediated regulatory mechanisms underlying immunity responses to biotic stress in tea plant.

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