NDLI: Identification and characterization of genes on a single subgenome in the hexaploid wheat (Triticum aestivum L.) genotype 'Chinese Spring'.

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Year: 2017 Volume: 60 Issue: 3

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Identification and characterization of genes on a single subgenome in the hexaploid wheat (Triticum aestivum L.) genotype 'Chinese Spring'.

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Year: 2017 Volume: 60 Issue: 2

Year: 2017 Volume: 60 Issue: 1

Identification and characterization of genes on a single subgenome in the hexaploid wheat (Triticum aestivum L.) genotype 'Chinese Spring'.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Ma, Jian Zheng, Zhi Stiller, Jiri Lan, Xiu-Jin Liu, Yaxi Deng, Mei Wang, Penghao Pu, Zhien Chen, Guangdeng Jiang, Qian-Tao Wei, Yuming Zheng, You-Liang
Description	Country affiliation: China Author Affiliation: Ma J ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Zheng Z ( b CSIRO Agriculture, 306 Carmody Road, St Lucia, QLD 4067, Australia.); Stiller J ( c National Foxtail Millet Improvement Centre, Institute of Millet Crops, Hebei Academy of Agricultural and Forestry Sciences, Shijiazhuang, China.); Lan XJ ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Liu Y ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Deng M ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Wang P ( d School of Veterinary and Life Sciences, Murdoch University, 90 South Street, Murdoch, WA 6150, USA.); Pu Z ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Chen G ( e College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China.); Jiang QT ( f Institute of Ecological and Environmental Sciences, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Wei Y ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.); Zheng YL ( a Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.)
Abstract	Gene loss during the formation of hexaploid bread wheat has been repeatedly reported. However, our knowledge on genome-wide analysis of the genes present on a single subgenome (SSG) in bread wheat is still limited. In this study, by analysing the 'Chinese Spring' chromosome arm shotgun sequences together with high-confidence gene models, we detected 433 genes on a SSG. Greater gene loss was observed in A and D subgenomes compared with B subgenome. More than 79% of the orthologs for these SSG genes were detected in diploid and tetraploid relatives of hexaploid wheat. Unexpectedly, no bias in expression breadth or in the distribution patterns of GO (gene ontology) terms for these genes was detected among the high-confidence genes. Further, network and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analyses indicated that most of these genes were not functionally related to each other. Interestingly, 30.7% of these SSG genes were most highly expressed in root, showing biased distribution given the distribution of the whole high-confidence genes. Collectively, these results facilitate our understanding of the loss of the genes that were retained in a SSG during the formation of hexaploid wheat.
File Format	HTM / HTML
ISSN	08312796
e-ISSN	14803321
Journal	Genome
Issue Number	3
Volume Number	60
Language	English
Publisher	Canadian Science Publishing
Publisher Date	2017-03-01
Publisher Place	Canada
Access Restriction	Open
Subject Keyword	Discipline Genetics
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Molecular Biology Biotechnology

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