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Identification and characterization of novel and conserved microRNAs in self-grafted and grafted watermelon by high-throughput sequencing

ABSTRACT: In this study, Solexa sequencing technology has been used to discover small RNA populations of self-grafted watermelon and grafted watermelon (bottle gourd and squash were used as rootstocks). A total of 11,458,476, 11,614,094 and 9,339,089 raw reads representing 2,957,751, 2,880,328 and 2,964,990 unique sequences were obtained from the scions of self-grafted watermelon and watermelon grafted on-to bottle gourd and squash at two true-leaf stage, respectively. 39 known miRNAs belonging to 30 miRNA families and 80 novel miRNAs were identified in our small RNA dataset. Compared with self-grafted watermelon, 20 (5 known and 15 novel miRNAs) and 51 (21 known miRNAs and 30 novel miRNAs) miRNAs were expressed significantly different with higher abundance or lower abundance in watermelon grafted on to bottle gourd and squash, respectively. The differentially expressed miRNA target various transcriptional factors and other genes which involved in a wide range of biological processes. This study was firstly conducted to identify and compare miRNAs on genome-wide scale in watermelon grafting system. The miRNAs expressed differentially when watermelon was grafted onto different rootstocks suggesting that miRNAs might play an important role in diverse biological and metabolic processes in watermelon and grafting may possibly by changing miRNAs expression to regulate plant growth and response to stresses. The small RNA transcriptomes obtained in this study provided insights into molecular basis of miRNA regulation of genes expressed in self-grafted and grafted watermelon.

ORGANISM(S): Citrullus lanatus

PROVIDER: GSE33209 | GEO | 2011/10/26

SECONDARY ACCESSION(S): PRJNA149431

REPOSITORIES: GEO

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Identification and characterization of novel and conserved microRNAs in self-grafted and grafted watermelon by high-throughput sequencing

Project description:In this study, Solexa sequencing technology has been used to discover small RNA populations of self-grafted watermelon and grafted watermelon (bottle gourd and squash were used as rootstocks). A total of 11,458,476, 11,614,094 and 9,339,089 raw reads representing 2,957,751, 2,880,328 and 2,964,990 unique sequences were obtained from the scions of self-grafted watermelon and watermelon grafted on-to bottle gourd and squash at two true-leaf stage, respectively. 39 known miRNAs belonging to 30 miRNA families and 80 novel miRNAs were identified in our small RNA dataset. Compared with self-grafted watermelon, 20 (5 known and 15 novel miRNAs) and 51 (21 known miRNAs and 30 novel miRNAs) miRNAs were expressed significantly different with higher abundance or lower abundance in watermelon grafted on to bottle gourd and squash, respectively. The differentially expressed miRNA target various transcriptional factors and other genes which involved in a wide range of biological processes. This study was firstly conducted to identify and compare miRNAs on genome-wide scale in watermelon grafting system. The miRNAs expressed differentially when watermelon was grafted onto different rootstocks suggesting that miRNAs might play an important role in diverse biological and metabolic processes in watermelon and grafting may possibly by changing miRNAs expression to regulate plant growth and response to stresses. The small RNA transcriptomes obtained in this study provided insights into molecular basis of miRNA regulation of genes expressed in self-grafted and grafted watermelon. Examination of 3 different small RNA expression profilings in self-grafted and grafted watermelon

2011-10-26 | E-GEOD-33209 | biostudies-arrayexpress

grafting watermelon cold stress proteome

Project description:Rootstock grafting can improve the cold tolerance of watermelon. However, the molecular mechanism underling this process remains unknown. Here, an isobaric tag for relative and absolute quantification based proteomic technique was employed to identify the differentially expressed proteins (DEPs) between pumpkin rootstock-grafted (RG) and self-grafted (SG) watermelon seedlings under cold stress.

2017-12-18 | PXD008477 | iProX

Response of grapevine shoot apex expression to grafting with rootstocks

Project description:The transcriptional response in the shoot apex to hetero-grafting Cabernet Sauvignon (CS) with the rootstocks 1103 Paulsen (CS/1103P) and Riparia Gloire de Montpellier (CS/RG) compared to the auto-grafted control (CS/CS) four months after grafting. Gene expression profiling was done using the Nimblegen whole genome array with 4 biological replicates of 5 pooled shoot apices.

2014-01-11 | E-MTAB-1523 | biostudies-arrayexpress

Rootstock induced scion resistance against tobacco mosaic virus is associated with the induction of defense related transcripts and graft transmissible mRNAs

Project description:To investigate graft conferred resistance against viral diseases a novel hetero-grafting system was developed using Nicotiana benthamiana scions grafted onto different tomato rootstocks. RNAseq analysis was used to identify mobile tomato mRNAs within N. benthamiana scions

2023-05-19 | GSE211493 | GEO

Bisulfite (methylome) sequencing of progenies of Col-0 grafted on msh1; Col-0 grafted on dcl2,3,4,msh1; Col-0 grafted on Col-0; msh1 mutant; dcl2,3,4,msh1 quadruple mutant in Arabidopsis [msh1_graft_BS-seq]

Project description:Col-0 floral stem was grafted on the msh1 mutant (Col-0/msh1); on the dcl2,3,4,msh1 quadruple mutant (Col-0/dcl2,3,4,msh1); on Col-0 (Col-0/Col-0). Seeds were collected from the grafted Col-0 scion after grafts were established. Seed coming from the graft then were grown on the peat mix, leaf tissue was collected at the bolting and used for the bisulfite sequencing (methylome). Tissue from the msh1 mutant and dcl2,3,4,msh1 quadruple mutants used as rootstocks was similarly collected at the bolting stage and used for the bisulfite sequencing.

2020-09-20 | GSE152564 | GEO

Small RNA sequencing of progenies of Col-0 grafted on msh1; Col-0 grafted on dcl2,3,4,msh1; msh1 mutant; dcl2,3,4,msh1 quadruple mutant in Arabidopsis [msh1_graft_sRNA-seq]

Project description:Col-0 floral stem was grafted on the msh1 mutant (Col-0/msh1); on the dcl2,3,4,msh1 quadruple mutant (Col-0/dcl2,3,4,msh1). Seeds were collected from the grafted Col-0 scion after grafts were established. Seed coming from the graft then were grown on the peat mix, leaf tissue was collected at the bolting and used for the small RNA sequencing. Tissue from the msh1 mutant and dcl2,3,4,msh1 quadruple mutants used as rootstocks was similarly collected at the bolting stage and used for the small RNA sequencing.

2020-09-20 | GSE152567 | GEO

Project description:Fruit development transcriptome of the self-grafted watermelon and pumpkin grafted watermelon

| PRJNA549006 | ENA

Treatment of C3H/HeJ grafted mice with baricitinib [prevention]

Project description:The C3H/HeJ grafted model of alopecia areata was used to determine the efficacy of systemic baricitinib at preventing alopecia or treating established disease. The efficacy of topical baricitinib at treating established alopecia in the C3H/HeJ grafted model was also assessed. Microarrays were performed on skin RNA at week 0 and week 12 after starting treatment in all models. Baricitinib was administered in systemic form at the time of grafting. Skin samples were taken after 12 weeks.

2015-05-01 | E-GEOD-61551 | biostudies-arrayexpress

Epigenetic bases of grafting-induced vigour in eggplant [RNA-Seq]

Project description:In horticulture, grafting is a popular technique used to combine positive features of two different plants, obtained by joining a scion (generally the part above the ground) onto a rootstock (constituted by the stem and roots). Despite its wide-use, the biological mechanisms driving rootstock-induced alterations of the scion phenotype are not fully understood. Given that epigenetics is an important component of distance signalling in plants, we investigated the genome wide changes in the DNA methylation induced in eggplants grafted onto two interspecific rootstocks commercially used to induce scion vigour, compared to self-grafted plants. We found that vigour was associated to a specific change in scion gene expression and a genome wide hypo-methylation in CHH context. Interestingly, this hypomethylation correlated with downregulation of younger and potentially more active LTR retrotransposons. Our data indicate that graft-induced epigenetics modifications are associated to both physiological and molecular phenotypes in plants, and suggest that rootstocks can induce vigour by reducing DNA methylation in the scion genome, similarly to what observed in some heterotic hybrids.

2021-09-30 | GSE136784 | GEO

Epigenetic bases of grafting-induced vigour in eggplant [Bisulfite-Seq]

2021-09-30 | GSE136783 | GEO

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