Euaresta bullans isolate:fruit
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ABSTRACT:
PROVIDER: PRJNA528782 | ENA |
REPOSITORIES: ENA
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Project description:Background: MicroRNAs (miRNAs) represent a family of small endogenous, non-coding RNAs that play critical regulatory roles in plant growth, development, and environmental stress responses. Although Hami melon is an attractive model for valuable biological traits analysis, the role of miRNA action in the fruit development and ripening remains largely unknown. Here, we performed small RNA sequencing to investigate the Hami melon miRNA profiles at four fruit developmental stages Results: Small RNA sequencing yielded raw reads in eight libraries. miRNAs expression profiles were variable at different fruit developmental stages. The expression levels of five known miRNAs were validated by quantitative real-time PCR. Among the identified miRNAs, several miRNAs showed developmentally regulated and differentially expressed pattern during fruit development. Conclusions: Our results present a first comprehensive set of identification and characterization of Hami melon fruit miRNAs and their potential targets, which provide valuable basis for further research on the critical role of miRNAs in melon fruit development.
2017-09-06 | GSE77127 | GEO
Project description:Fruit ripening in Citrus is not well understood at the molecular level. Knowledge of the regulatory mechanism of citrus fruit ripening at the post-transcriptional level in particular is lacking. Here, we comparatively analyzed the miRNAs and their targeted genes in a spontaneous late-ripening mutant, ?Fengwan? sweet orange (MT) (Citrus sinensis L. Osbeck), and its wild-type counterpart ('Fengjie 72-1', WT). Using high-throughput sequencing of small RNAs and RNA degradome tags, we identified 107 known and 21 novel miRNAs, as well as 225 target genes. A total of 24 miRNAs (16 known miRNAs and 8 novel miRNAs) were shown to be differentially expressed between MT and WT. The expression pattern of several key miRNAs and their target genes during citrus fruit development and ripening stages was examined. Csi-miR156k, csi-miR159 and csi-miR166d suppressed specific transcription factors (GAMYBs, SPLs and ATHBs) that are supposed to be important regulators involved in citrus fruit development and ripening. In the present study, miRNA-mediated silencing of target genes was found under complicated and sensitive regulation in citrus fruit. The identification of miRNAs and their target genes provide new clues for future investigation of mechanisms that regulate citrus fruit ripening.
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Project description:technical services for sequencing and analysis of tomato fruit
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Project description:Passiflora edulis strain:Passion fruit | isolate:Leaf Transcriptome or Gene expression
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Project description:We performed whole genome re-sequencing to reveal the comprehensive genetic variation of the fruit development between kumquat (Fortunella japonica) and Clementine mandarin. Total 5,865,235 single-nucleotide polymorphisms (SNPs) and 414,447 insertion/deletion (InDels) were identified in the two citrus species. Meanwhile, a total of 640,801 SNPs and 20,733 InDels were identified based on integrative analysis of genome and transcriptome of fruit. The variation feature, genomic distribution, functional effect and other characteristics of these genetic variation were explored. Total 1,090 differentially expressed genes (DEGs) were found during fruit development process of kumquat and Clementine mandarin by RNA-sequencing. Gene Ontology revealed that these genes were involved in various molecular functional and biological processes. Meanwhile, the genetic variation of 939 DEGs and 74 multiple fruit development pathway genes from previous reported were also identified. In addition, a global survey of genes splicing events identified 24,237 specific alternative splicing (AS) events in the two citrus species and showed that intron retention is the most prevalent pattern of alternative splicing.
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