Genome-wide expression analysis offers new insights into the origin and evolution of Physcomitrella patens stress response
Type
ArticleAuthors
Khraiwesh, BaselQudeimat, Enas
Thimma, Manjula
Chaiboonchoe, Amphun
Jijakli, Kenan
Alzahmi, Amnah
Arnoux, Marc
Salehi-Ashtiani, Kourosh
KAUST Department
Biological and Environmental Science and Engineering (BESE) DivisionCenter for Desert Agriculture
Date
2015-11-30Online Publication Date
2015-11-30Print Publication Date
2015-12Permanent link to this record
http://hdl.handle.net/10754/583875
Metadata
Show full item recordAbstract
Changes in the environment, such as those caused by climate change, can exert stress on plant growth, diversity and ultimately global food security. Thus, focused efforts to fully understand plant response to stress are urgently needed in order to develop strategies to cope with the effects of climate change. Because Physcomitrella patens holds a key evolutionary position bridging the gap between green algae and higher plants, and because it exhibits a well-developed stress tolerance, it is an excellent model for such exploration. Here, we have used Physcomitrella patens to study genome-wide responses to abiotic stress through transcriptomic analysis by a high-throughput sequencing platform. We report a comprehensive analysis of transcriptome dynamics, defining profiles of elicited gene regulation responses to abiotic stress-associated hormone Abscisic Acid (ABA), cold, drought, and salt treatments. We identified more than 20,000 genes expressed under each aforementioned stress treatments, of which 9,668 display differential expression in response to stress. The comparison of Physcomitrella patens stress regulated genes with unicellular algae, vascular and flowering plants revealed genomic delineation concomitant with the evolutionary movement to land, including a general gene family complexity and loss of genes associated with different functional groups.Citation
Genome-wide expression analysis offers new insights into the origin and evolution of Physcomitrella patens stress response 2015, 5:17434 Scientific ReportsPublisher
Springer NatureJournal
Scientific ReportsPubMed ID
26615914Additional Links
http://www.nature.com/articles/srep17434ae974a485f413a2113503eed53cd6c53
10.1038/srep17434
Scopus Count
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