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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 369 - 387 (19page)
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Agriophyllum squarrosum is a folk Mongolian medicine with pleiotropic pharmacological and ecological economic importance endemic to Asian temperature deserts. Terpenoids play critical roles in biotic and abiotic stresses due to their antioxidative activities. Based on non-targeted metabolomic analysis, we detected eight terpenoids enriched in the above-ground tissues of A. squarrosum, however, the molecular mechanism underlying terpenoids biosynthesis in this desert medicinal plant is rarely understood. Here, a comparative transcriptome analysis of diferent tissues in A. squarrosum was conducted to identify 84 unigenes encoding key enzymes in the upstream backbone biosynthesis and 53 unigenes encoding the downstream enzymes for terpenoid diversifcation. Most of the upstream genes exhibited signifcant high expression levels in leaf, and some of which were validated by qRT-PCR. Phylogenetic analysis showed that two downstream gene families OSCs (oxidosqualene cyclases) and TPSs (mainly in terpene synthases -g subfamily) had undergone notable gene expansions in A. squarrosum comparing with the other Amaranthaceae plant species and Arabidopsis. Nevertheless, most members from these two gene families showed the tissue-specifc expression in A. squarrosum, which supported the diversifcation and tissue-specifc enrichment of terpenoids across above-ground tissues. Considering to the habitat characteristics of A. squarrosum, we proposed that the enrichment of terpenoids and the functional diversifcation of terpenoids biosynthesis enzymes were more or less involved into its adaptation to stressful environments of deserts. These results expand the available genetic information underlying terpenoid biosynthesis in A. squarrosum, and contribute to deeper researches on pharmaceutical and eco-agricultural applications in this desert medicinal plant.
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참고문헌 (72)
참고문헌 신청
Abbas F / 2017 / Volatile terpenoids: multiple functions, biosynthesis, modulation and manipulation by genetic engineering / Planta 246:803~816
Adolf VI / 2012 / Varietal differences of quinoa’s tolerance to saline conditions / Plant Soil 357:117~129
Alicandri E / 2020 / On the evolution and functional diversity of terpene synthases in the Pinus species: a review / J Mol Evol 88:253~283
Amini H / 2019 / Tissue-specific transcriptome analysis reveals candidate genes for terpenoid and phenylpropanoid metabolism in the medicinal plant Ferula Assafoetida / G3 9:807~816
Anders S / 2010 / Differential expression analysis for sequence count data / Genome Biol 11:R106
Adolf VI / 2012 / Varietal differences of quinoa’s tolerance to saline conditions / Plant Soil 357:117~129
Alicandri E / 2020 / On the evolution and functional diversity of terpene synthases in the Pinus species: a review / J Mol Evol 88:253~283
Amini H / 2019 / Tissue-specific transcriptome analysis reveals candidate genes for terpenoid and phenylpropanoid metabolism in the medicinal plant Ferula Assafoetida / G3 9:807~816
Anders S / 2010 / Differential expression analysis for sequence count data / Genome Biol 11:R106
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