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Evolution of Terpene Synthases in Orchidaceae

Department of Life Sciences, National Cheng Kung University, Tainan 701, Taiwan
Orchid Research and Development Center, National Cheng Kung University, Tainan 701, Taiwan
Department of Life Sciences, Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei 106, Taiwan
Author to whom correspondence should be addressed.
Academic Editor: Jen-Tsung Chen
Int. J. Mol. Sci. 2021, 22(13), 6947;
Received: 2 April 2021 / Revised: 22 June 2021 / Accepted: 23 June 2021 / Published: 28 June 2021
(This article belongs to the Special Issue Orchid Biochemistry 2.0)
Terpenoids are the largest class of plant secondary metabolites and are one of the major emitted volatile compounds released to the atmosphere. They have functions of attracting pollinators or defense function, insecticidal properties, and are even used as pharmaceutical agents. Because of the importance of terpenoids, an increasing number of plants are required to investigate the function and evolution of terpene synthases (TPSs) that are the key enzymes in terpenoids biosynthesis. Orchidacea, containing more than 800 genera and 28,000 species, is one of the largest and most diverse families of flowering plants, and is widely distributed. Here, the diversification of the TPSs evolution in Orchidaceae is revealed. A characterization and phylogeny of TPSs from four different species with whole genome sequences is available. Phylogenetic analysis of orchid TPSs indicates these genes are divided into TPS-a, -b, -e/f, and g subfamilies, and their duplicated copies are increased in derived orchid species compared to that in the early divergence orchid, A. shenzhenica. The large increase of both TPS-a and TPS-b copies can probably be attributed to the pro-duction of different volatile compounds for attracting pollinators or generating chemical defenses in derived orchid lineages; while the duplications of TPS-g and TPS-e/f copies occurred in a species-dependent manner. View Full-Text
Keywords: terpene synthase; Orchidaceae; evolution; phylogenetic tree terpene synthase; Orchidaceae; evolution; phylogenetic tree
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MDPI and ACS Style

Huang, L.-M.; Huang, H.; Chuang, Y.-C.; Chen, W.-H.; Wang, C.-N.; Chen, H.-H. Evolution of Terpene Synthases in Orchidaceae. Int. J. Mol. Sci. 2021, 22, 6947.

AMA Style

Huang L-M, Huang H, Chuang Y-C, Chen W-H, Wang C-N, Chen H-H. Evolution of Terpene Synthases in Orchidaceae. International Journal of Molecular Sciences. 2021; 22(13):6947.

Chicago/Turabian Style

Huang, Li-Min, Hsin Huang, Yu-Chen Chuang, Wen-Huei Chen, Chun-Neng Wang, and Hong-Hwa Chen. 2021. "Evolution of Terpene Synthases in Orchidaceae" International Journal of Molecular Sciences 22, no. 13: 6947.

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