Arid
DOI10.1016/j.plaphy.2018.09.024
Transcriptomic view of survival during early seedling growth of the extremophyte Haloxylon ammodendron
Fan, Ligang1; Wang, Guannan2; Hu, Wei1; Pantha, Pramod2; Tran, Kieu-Nga2; Zhang, Hua1; An, Lizhe1; Dassanayake, Maheshi2; Qiu, Quan-Sheng1
通讯作者Dassanayake, Maheshi ; Qiu, Quan-Sheng
来源期刊PLANT PHYSIOLOGY AND BIOCHEMISTRY
ISSN0981-9428
出版年2018
卷号132页码:475-489
英文摘要

Seedling establishment in an extreme environment requires an integrated genomic and physiological response to survive multiple abiotic stresses. The extremophyte, Haloxylon ammodendron is a pioneer species capable of colonizing temperate desert sand dunes. We investigated the induced and basal transcriptomes in H. ammodendron under water-deficit stress during early seedling establishment. We find that not only drought-responsive genes, but multiple genes in pathways associated with salt, osmotic, cold, UV, and high-light stresses were induced, suggesting an altered regulatory stress response system. Additionally, H. atrunodendron exhibited enhanced biotic stress tolerance by down-regulation of genes that were generally up-regulated during pathogen entry in susceptible plants. By comparing the H. ammodendron basal transcriptome to six closely related transcriptomes in Amaranthaceae, we detected enriched basal level transcripts in H. ammodendron that shows preadaptation to abiotic stress and pathogens. We found transcripts that were generally maintained at low levels and some induced only under abiotic stress in the stress-sensitive model, Arabidopsis thaliana to be highly expressed under basal conditions in the Amaranthaceae transcriptomes including H. ammodendron. H. ammodendron shows coordinated expression of genes that regulate stress tolerance and seedling development resource allocation to support survival against multiple stresses in a sand dune dominated temperate desert environment.


英文关键词Abiotic stress Desert Drought Extremophyte Psanunophyte Stress tolerance Transcriptome
类型Article
语种英语
国家Peoples R China ; USA
收录类别SCI-E
WOS记录号WOS:000450377400050
WOS关键词RNA-SEQ DATA ; ARABIDOPSIS-THALIANA ; GENE-EXPRESSION ; POLYETHYLENE-GLYCOL ; DROUGHT STRESS ; SALT STRESS ; SIGNALING PATHWAYS ; HYDROGEN-PEROXIDE ; WILD RELATIVES ; OSMOTIC-STRESS
WOS类目Plant Sciences
WOS研究方向Plant Sciences
来源机构兰州大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212219
作者单位1.Lanzhou Univ, Sch Life Sci, MOE Key Lab Cell Act & Stress Adaptat, 222 South Tianshui Rd, Lanzhou 730000, Gansu, Peoples R China;
2.Louisiana State Univ, Dept Biol Sci, 202 Life Sci Bldg, Baton Rouge, LA 70803 USA
推荐引用方式
GB/T 7714
Fan, Ligang,Wang, Guannan,Hu, Wei,et al. Transcriptomic view of survival during early seedling growth of the extremophyte Haloxylon ammodendron[J]. 兰州大学,2018,132:475-489.
APA Fan, Ligang.,Wang, Guannan.,Hu, Wei.,Pantha, Pramod.,Tran, Kieu-Nga.,...&Qiu, Quan-Sheng.(2018).Transcriptomic view of survival during early seedling growth of the extremophyte Haloxylon ammodendron.PLANT PHYSIOLOGY AND BIOCHEMISTRY,132,475-489.
MLA Fan, Ligang,et al."Transcriptomic view of survival during early seedling growth of the extremophyte Haloxylon ammodendron".PLANT PHYSIOLOGY AND BIOCHEMISTRY 132(2018):475-489.
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