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Analysis of transcriptome profiling of responsive somatic cells to UV-B irradiation in the colonial green alga Volvox carteri

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Year: 2018
COI code: CIGS15_407
Paper Language: English

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Authors Analysis of transcriptome profiling of responsive somatic cells to UV-B irradiation in the colonial green alga Volvox carteri

  s ekhtari - Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
  j razeghi - Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
  k hasanpur - Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
a Kianianmomeni - Department of Cellular and Developmental Biology of Plants, Faculty of Natural Sciences, University of Bielefeld, Bielefeld, Germany
  a Movafeghi - Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran

Abstract:

Light is one of the most important environmental signal that affects the physiology and action of Volvox carteri. However, there are limited reports about the effects of UV-B irradiation on genome-wide transcriptional regulation in this multicellular green alga. V. carteri has only 2 cell types includes mortal, motile somatic cells and immortal, immotile reproductive cells. In addition, it is a suitable organism for transcriptomics studies since its compact genome with a relatively small number of genes. Here, using RNA-seq data, we surveyed the overall transcriptional responses of two cell-types, somatic cells and reproductive cells, to continuous UV-B irradiation. Gene expression analysis was carried out in order to elucidate the effect of UV-B radiation on whole transcriptional modification of physiological mechanisms. The results showed that, as compared to control group, there were no differentially expressed genes in reproductive cells under treatment. However, treating the somatic cells with UV-B radiation resulted in at least 126 differential genes as compared to untreated control group. Our results showed that there is light-specific transcriptional regulation in this organism. So that, different pathways (i.e., metabolic process, cellular process, response to stimulus, localization, cellular component organization or biogenesis, biological regulation, regulation of biological process) were co-regulated by UV-B irradiation via the transcriptional regulation of genes encoding key enzymes in these pathways.

Keywords:

Volvox carteri, UV-B radiation, RNA-seq, Transcriptomics, Gene regulatory

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COI code: CIGS15_407

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ekhtari, s; j razeghi; k hasanpur; a Kianianmomeni & a Movafeghi, 2018, Analysis of transcriptome profiling of responsive somatic cells to UV-B irradiation in the colonial green alga Volvox carteri, The Third International and 15th National Genetics Congress, تهران, انجمن علمي ژنتيك ايران, https://www.civilica.com/Paper-CIGS15-CIGS15_407.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (ekhtari, s; j razeghi; k hasanpur; a Kianianmomeni & a Movafeghi, 2018)
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Paper No.: 17284
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