干旱区生态环境知识资源中心(Arid): Functional mapping of gravitropism and phototropism for a desert tree, Populus euphratica

Arid

DOI	10.52586/5003]
	Functional mapping of gravitropism and phototropism for a desert tree, Populus euphratica
	Jiang, Peng; Ma, Nan; Sun, Fengshuo; Ye, Meixia; Wu, Rongling
通讯作者	Ye, MX ; Wu, RL (corresponding author), Beijing Forestry Univ, Coll Biol Sci & Technol, Ctr Computat Biol, Beijing 100083, Peoples R China. ; Wu, RL (corresponding author), Penn State Univ, Ctr Stat Genet, Hershey, PA 17033 USA.
来源期刊	FRONTIERS IN BIOSCIENCE-LANDMARK
ISSN	2768-6701
EISSN	2768-6698
出版年	2021
卷号	26 期号:11 页码:988-1000
英文摘要	Background: Plants have evolved the dual capacity for maximizing light assimilation through stem growth (phototropism) and maximizing water and nutrient absorption through root growth (gravitropism). Previous studies have revealed the physiological and molecular mechanisms of these two processes, but the genetic basis for how gravitropism and phototropism interact and coordinate with one another to determine plant growth remains poorly understood. Methods: We designed a seed germination experiment using a full-sib F1 family of Populus euphratica to simultaneously monitor the gravitropic growth of the radicle and the phototropic growth of the plumule throughout seedling ontogeny. We implemented three functional mapping models to identify quantitative trait loci (QTLs) that regulate gravitropic and phototropic growth. Univariate functional mapping dissected each growth trait sepa rately, bivariate functional mapping mapped two growth traits simultaneously, and composite functional mapping mapped the sum of gravitropic and phototropic growth as a main axis. Results: Bivariate model detected 8 QTLs for gravitropism and phototropism (QWRF, GLUR, F-box, PCFS4, UBQ, TAF12, BHLH95, TMN8), composite model detected 7 QTLs for growth of main axis (ATL8, NEFH, PCFS4, UBQ, SOT16, MOR1, PCMP-H), of which, PCFS4 and UBQ were pleiotropically detected with the both model. Many of these QTLs are situated within the genomic regions of candidate genes. Conclusions: The results from our models provide new insight into the mechanisms of genetic control of gravitropism and phototropism in a desert tree, and will stimulate our understanding of the relationships between gravity and light signal transduction pathways and tree adaptation to arid soil.
英文关键词	Root-shoot growth Gravitropism Pho-totropism Functional mapping Growth Populus euphrat-ica
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000727662100004
WOS关键词	QUANTITATIVE TRAIT LOCI ; F-BOX ; ARABIDOPSIS ; DEGRADATION ; TOLERANCE ; PROTEINS ; REVEALS ; BIOMASS ; MODELS ; GROWTH
WOS类目	Biochemistry & Molecular Biology ; Cell Biology
WOS研究方向	Biochemistry & Molecular Biology ; Cell Biology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/373904
作者单位	[Jiang, Peng; Ma, Nan; Sun, Fengshuo; Ye, Meixia; Wu, Rongling] Beijing Forestry Univ, Coll Biol Sci & Technol, Ctr Computat Biol, Beijing 100083, Peoples R China; [Wu, Rongling] Penn State Univ, Ctr Stat Genet, Hershey, PA 17033 USA
推荐引用方式 GB/T 7714	Jiang, Peng,Ma, Nan,Sun, Fengshuo,et al. Functional mapping of gravitropism and phototropism for a desert tree, Populus euphratica[J],2021,26(11):988-1000.
APA	Jiang, Peng,Ma, Nan,Sun, Fengshuo,Ye, Meixia,&Wu, Rongling.(2021).Functional mapping of gravitropism and phototropism for a desert tree, Populus euphratica.FRONTIERS IN BIOSCIENCE-LANDMARK,26(11),988-1000.
MLA	Jiang, Peng,et al."Functional mapping of gravitropism and phototropism for a desert tree, Populus euphratica".FRONTIERS IN BIOSCIENCE-LANDMARK 26.11(2021):988-1000.