Article (Scientific journals)
Genome-wide identification and characterization of the TPS gene family in wheat (Triticum aestivum L.) and expression analysis in response to aphid damage
Zhao, Lei; Zhao, Xiaojing; Francis, Frédéric et al.
2021In Acta Physiologiae Plantarum, 43 (4)
Peer reviewed
 

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Keywords :
Aphid resistance gene; Biological stress; Expression analysis; Terpene synthase; Terpenoid
Abstract :
[en] Terpene synthase (TPS) gene family is ubiquitous in land plants and plays an important role in regulating various biological processes in plants, especially in pathogen and herbivore defense mechanisms. Also, little is known about this gene family in wheat. In this research, 153 TaTPS genes were identified and named according to their chromosome location. Phylogenetic analysis of TaTPS proteins and other homologous proteins corresponded to a six-subgroup classification. The analysis of gene structure and motif showed that the TaTPS gene was highly conserved in each subgroup, which suggested that whole genome duplication and segmental duplication events were the main expansion way of the TaTPS gene family. Nineteen tandem duplication gene pairs and 91 homologous genes on different chromosomes were produced by segmental duplication. Expression profiles derived from transcriptome data results indicated that TaTPS genes may contribute to defense responses of wheat to pests such as aphids. The cis-regulatory elements (CREs) of TaTPS were found to be diversified indicating that TaTPS gene may participate in many physiological processes of wheat growth and development. Each TaTPS gene contains at least two or more defense or hormone-related CREs, suggesting an important role in wheat pest defense through hormone pathways. This study can provide valuable clues for elucidating the evolutionary relationship of the TaTPS gene family. Also, it may provide a research basis for functional investigations related to wheat development, particularly to plant–pest interactions and further breeding for new wheat varieties with aphid resistance. © 2021, Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Kraków.
Disciplines :
Entomology & pest control
Author, co-author :
Zhao, Lei;  College of Plant Protection, Shandong Agricultural University, No. 61 Daizong Road, Taian, 271000, Shandong, China
Zhao, Xiaojing;  College of Plant Protection, Shandong Agricultural University, No. 61 Daizong Road, Taian, 271000, Shandong, China
Francis, Frédéric  ;  Université de Liège - ULiège > TERRA Research Centre > Gestion durable des bio-agresseurs ; College of Plant Protection, Shandong Agricultural University, No. 61 Daizong Road, Taian, 271000, Shandong, China
Liu, Yong;  College of Plant Protection, Shandong Agricultural University, No. 61 Daizong Road, Taian, 271000, Shandong, China
Language :
English
Title :
Genome-wide identification and characterization of the TPS gene family in wheat (Triticum aestivum L.) and expression analysis in response to aphid damage
Publication date :
25 March 2021
Journal title :
Acta Physiologiae Plantarum
ISSN :
0137-5881
eISSN :
1861-1664
Publisher :
Springer Science and Business Media Deutschland GmbH
Volume :
43
Issue :
4
Peer reviewed :
Peer reviewed
Funding number :
2017YFD0201705; SYL2017XTTD11
Funding text :
This study was supported by the National Key R&D Program of China (2017YFD0201705), and the Funds of Shandong ‘Double Tops’ Program (SYL2017XTTD11). The funding agent only provided the financial support and did not involve in the design of the experiment, collection, interpretation and analysis of data and in the drafting of the manuscript.
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