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Pentapetalae

ABSTRACT: Small RNA sequencing of a complex of parasitic plant, Cuscuta japonica and Glycine max.

PROVIDER: PRJDB8587 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	DRR186140.fastq.gz	Fastqsanger.gz
	DRR186142.fastq.gz	Fastqsanger.gz
	DRR186143.fastq.gz	Fastqsanger.gz
	DRR186144.fastq.gz	Fastqsanger.gz

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Pathogenic response of Glycine max to the stem parasitic plant Cuscuta

Project description:Little is known about plant pathogenic response to parasitic plants, although some parasitic plants affect crop production in certain areas. To study this, we chose Glycine max as the model host plant and investigated changes in expression patterns after parasitization by Cuscuta using microarrays. Transcriptional change of Glycine max stem with and without Cuscuta at 2 different stages were compared

2014-06-27 | E-GEOD-51328 | biostudies-arrayexpress

Pathogenic response of Glycine max to the stem parasitic plant Cuscuta

2014-06-27 | GSE51328 | GEO

Pentapetalae

Project description:Small RNA sequencing of a complex of parasitic plant and its host, Cuscuta campestris and Arabidopsis thaliana

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Project description:Pathogenic response of Glycine max to the stem parasitic plant Cuscuta

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microRNA accumulation from Cuscuta campestris in vitro haustoria

Project description:The parasitic plant Cuscuta campestris produces specialized microRNAs that are specifically expressed at the haustorial interface. Some of these "Interface-Induced MicroRNAs" function to target host mRNAs. C. campestris haustoria can be induced in the absence of any host tissues using a combination of light and physical pressure. This experiment tested with such in vitro, host-free haustoria produced interface-induced microRNAs. Small RNA-seq was performed from three different treatments: Shoot tips of C. campestris without any haustoria formation, in vitro haustoria formed in the presence of host tissue (detached leaves of Arabidopsis thaliana) and in vitro haustoria formed in the absence of any host tissue.

2022-07-06 | GSE205256 | GEO

Small RNA-seq from the parasitic plant Cuscuta campestris during infestation of Nicotiana benthamiana

Project description:Small RNA-seq from the parasitic plant Cuscuta campestris during infestation of Nicotiana benthamiana

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Project description:The genome of parasitic plant Cuscuta australis

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Parasitic plant sRNome analyses unveils parasite-specific signatures of miRNA retention, loss and gain

Project description:Parasitism is a successful life strategy that has evolved independently in several families of Higher Plants. In parasitic plants, nutrients and water are obtained from their hosts through specifically adapted haustoria. The genera Cuscuta and Orobanche represent examples for the two profoundly different groups of parasites, one parasitizing host shoots and the other infecting host roots. In this study, we sequenced and described the overall repertoire of small RNAs (sRNome) from Cuscuta campestris and compared it to an exploratory sRNome from Orobanche aegyptiaca. Because they regulate the genomic information by mechanisms like RNA interference, these sRNomes add important bricks to our understanding of the success of the parasitic lifestyle. We could show that Cuscuta campestris contains a number of novel microRNAs (miRNAs) in addition to a conspicuous retention of miRNAs that are typically lacking in other Solanales, while several typically conserved miRNAs seem to have become obsolete in the parasite. One new miRNA appears to be derived from a horizontal gene transfer event, a process never reported in plants for the acquisition of new miRNA sequences. The exploratory miRNome (exploratory due to the absence of a full genomic sequence for reference) from the root parasitic Orobanche aegyptiaca also revealed a loss of a number of miRNAs compared to established miRNomes of photosynthetic species from the same order. In summary, our study shows for both parasites partly similar evolutionary signatures in the RNA silencing machinery. Our data bear proof for the dynamism of this regulatory mechanism in parasitic plants.

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Project description:Plant lodging severely reduced crop yield and quality. Different plant growth regulators (PGRs) have been applied to improve lodging resistance through the regulation of physiological changes, especially on the increase of stem thickness and strength. Melatonin is a pleiotropic PGR for the regulation of plant growth and development. In this study, we demonstrated that the exogenous treatment of melatonin to Glycine max significantly enhanced plant lateral growth by increasing stem diameter. In addition to the stem thickness, secondary cell wall (SCW) deposition acts as another critical factor for stem rigidity for lodging resistance. To understand whether exogenous treatment of melatonin would regulate SCW biosynthesis genes, we performed transcriptomic analyses on the stems of Glycine max with or without melatonin treatment. Through the differentially-expressed-genes (DEGs) analyses, many SCW biosynthesis genes were found to be regulated by melatonin, including the cellulose, hemicellulose and lignin biosynthesis enzymes. We also found that the two known master regulators, NAC and MYB, of SCW biosynthesis genes were induced under melatonin treatment, which further supported our observation on the differential expression of SCW biosynthesis genes. Our study highlighted the improvement of lodging resistance by the exogenous treatment of melatonin through the increase of plant stem thickness and the regulation of SCW biosynthesis genes and their upstream TFs in Glycine max.

2025-06-05 | GSE234038 | GEO

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