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Populus cathayana

ABSTRACT: Transcriptional profiling in dioecious plant Populus cathayana reveals potential and sex-specific molecular adaptations to solar UV-B radiation.

PROVIDER: PRJNA235376 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1124750.fastq.gz	Fastqsanger.gz
	SRR1124751.fastq.gz	Fastqsanger.gz
	SRR1124752.fastq.gz	Fastqsanger.gz
	SRR1124753.fastq.gz	Fastqsanger.gz

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Transcriptional profiling in dioecious plant Populus cathayana reveals potential and sex-specific molecular adaptations to solar UV-B radiation.

Project description:Recently, we found a dioecious plant Populus cathayana males possess a greater tolerance to enhanced UV-B radiation than do females. To carry this work forward, comparative transcriptome analyses were carried out. Similar to previous studies, a set of conserved functions and pathways related to UV-B stress were detected in males and females, regardless of the sex. In addition, sex-specific responses via transcriptome remodeling were also detected as shown in the changes of sex-related gene expression occurred in some pathways. For example, a lot of differentially expressed genes (DEGs) involved in amino acid metabolism were mainly up-regulated in males, but down-regulated in females. Moreover, we found some DEGs expressed predominantly or exclusively in one sex, which may directly contribute to sex-related physiological responses. 4 samples examined: (i) males exposure to decreased solar UV-B radiation (MC); (ii) females exposure to decreased solar UV-B radiation (FC); (iii) males exposure to ambient solar UV-B radiation (MU); and (iv) females exposure to ambient solar UV-B radiation (FU). Nine plants of each sex were exposed to each treatment, and RNA samples from the 9 individuals were pooled with equal proportion.

2014-01-18 | E-GEOD-54182 | biostudies-arrayexpress

Transcriptional profiling in dioecious plant Populus cathayana reveals potential and sex-specific molecular adaptations to solar UV-B radiation.

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Project description:UV radiation is a ubiquitous component of solar radiation that affects plant growth and development. Analysis of natural variation in response to UV radiation revealed significant differences among natural accessions of Arabidopsis thaliana. However, the genetic basis of this is to a large extent unknown. Here, we analyzed the response of Arabidopsis accessions to UV radiation stress by performing RNA-sequencing of three UV sensitive and three UV resistant accessions. The genome-wide transcriptional analysis revealed a large number of genes significantly up- or down-regulated only in sensitive or only in resistant accessions, respectively. Mutant analysis of few selected candidate genes suggested by the RNA-sequencing results indicate a connection between UV radiation stress and plant-pathogen-like defense responses.

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Transcriptional response to UV treatment in several Arabidopsis thaliana accessions

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Project description:The experiment was performed to search for genes regulated by the UV RESISTANT LOCUS (UVR8) under solar ultraviolet radiation (UV).

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Project description:Populus cathayana overview

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RNA-seq of Serritaenia testaceovaginata aka Mesotaenium testaceovaginatum (Zygnematophyceae, Streptophyta) treated with ultraviolet radiation against untreated control

Project description:The Zygnematophyceae are the closest algal relatives of land plants and hence interesting to understand land plant evolution. Species of the genus Serritaenia have an aerophytic lifestyle and form colorful, mucilaginous capsules, which surround the cells and block harmful solar radiation. Under laboratory conditions the production of this “sunscreen mucilage” can be induced by ultraviolet B radiation. The present dataset reveals insights into the cellular reaction of this alga to UV radiation (a major stressor in terrestrial habitats) and allows for comparisons with other algae and land plants to draw evolutionary conclusions.

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