NDLI: Structure and expression of the TaGW7 in bread wheat (Triticum aestivum L.)

Content Provider	Springer Nature Link
Author	Ma, Jian Ding, Puyang Qin, Peng Liu, Ya Xi Xie, Quan Chen, Guangdeng Li, Wei Jiang, Qiantao Chen, Guoyue Lan, Xiu Jin Wei, Yu Ming Liu, Chunji Zheng, You Liang
Copyright Year	2017
Abstract	OsGW7 (also known as OsGL7) is homologous to the Arabidopsis thaliana gene that encodes LONGIFOLIA protein, which regulates cell elongation, and is involved in regulating grain length in rice. However, our knowledge on its ortholog in wheat, TaGW7, is limited. In this study, we identified and mapped TaGW7 in wheat, characterized its nucleotide and protein structures, predicted the cis-elements of its promoter, and analysed its expression patterns. The GW7 orthologs in barley (HvGW7), rice (OsGW7), and Brachypodium distachyon (BdGW7) were also identified for comparative analyses. TaGW7 mapped onto the short arms of group 2 chromosomes (2AS, 2BS, and 2DS). Multiple alignments indicated GW7 possesses five exons and four introns in all but two of the species analysed. An exon–intron junction composed of introns 3–4 and exons 4–5 was highly conserved. GW7 has a conserved domain (DUF 4378) and two neighbouring low complexity regions. GW7 was mainly expressed in wheat spikes and stems, in barley seedling crowns, and in rice anthers and embryo-sacs during early development. Drought and heat significantly increased and decreased GW7 expression in wheat, respectively. In barley, GW7 was significantly down-regulated in paleae and awns but up-regulated in seeds under drought treatment and down-regulated under Fusarium and stem rust inoculation. In rice, OsGW7 expression differed significantly under drought treatments. Collectively, these results provide insights into GW7 structure and expression in wheat, barley and rice. The GW7 sequence structure and expression data are the foundation for manipulating GW7 and uncovering its roles in plants.
Starting Page	281
Ending Page	291
Page Count	11
File Format	PDF
ISSN	01676903
Journal	Plant Growth Regulation
Volume Number	82
Issue Number	2
e-ISSN	15735087
Language	English
Publisher	Springer Netherlands
Publisher Date	2017-02-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wheat GW7 GL7 Gene structure Protein structure Expression pattern Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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