Engineering and optimization of the 2-phenylethylglucosinolate production in Nicotiana benthamiana by combining biosynthetic genes from Barbarea vulgaris and Arabidopsis thaliana
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Engineering and optimization of the 2-phenylethylglucosinolate production in Nicotiana benthamiana by combining biosynthetic genes from Barbarea vulgaris and Arabidopsis thaliana. / Wang, Cuiwei; Crocoll, Christoph; Agerbirk, Niels; Halkier, Barbara Ann.
In: Plant Journal, Vol. 106, No. 4, 2021, p. 978-992.Research output: Contribution to journal › Journal article › Research › peer-review
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T1 - Engineering and optimization of the 2-phenylethylglucosinolate production in Nicotiana benthamiana by combining biosynthetic genes from Barbarea vulgaris and Arabidopsis thaliana
AU - Wang, Cuiwei
AU - Crocoll, Christoph
AU - Agerbirk, Niels
AU - Halkier, Barbara Ann
PY - 2021
Y1 - 2021
N2 - 2-Phenylethylglucosinolate (2PE) derived from homophenylalanine is present in plants of the Brassicales order as a defense compound. It is associated with multiple biological properties, including deterrent effects on pests and antimicrobial and health-promoting functions, due to its hydrolysis product 2-phenylethyl isothiocyanate, which confers 2PE as a potential application in agriculture and industry. In this study, we characterized the putative key genes for 2PE biosynthesis from Barbarea vulgaris W.T. Aiton and demonstrated the feasibility of engineering 2PE production in Nicotiana benthamiana Domin. We used different combinations of genes from B. vulgaris and Arabidopsis thaliana (L.) Heynh. to demonstrate that: (i) BvBCAT4 performed more efficiently than AtBCAT4 in biosynthesis of both homophenylalanine and dihomomethionine; (ii) MAM1 enzymes were critical for the chain-elongated profile, while CYP79F enzymes accepted both chain-elongated methionine and homophenylalanine; (iii) aliphatic but not aromatic core structure pathway catalyzed the 2PE biosynthesis; (iv) a chimeric pathway containing BvBCAT4, BvMAM1, AtIPMI and AtIPMDH1 resulted in a two-fold increase in 2PE production compared with the B. vulgaris-specific chain elongation pathway; and (v) profiles of chain-elongated products and glucosinolates partially mirrored the profiles in the gene donor plant, but were wider in N. benthamiana than in the native plants. Our study provides a strategy to produce the important homophenylalanine and 2PE in a heterologous host. Furthermore, chimeric engineering of the complex 2PE biosynthetic pathway enabled detailed understanding of catalytic properties of individual enzymes – a prerequisite for understanding biochemical evolution. The new-to-nature gene combinations have the potential for application in biotechnological and plant breeding.
AB - 2-Phenylethylglucosinolate (2PE) derived from homophenylalanine is present in plants of the Brassicales order as a defense compound. It is associated with multiple biological properties, including deterrent effects on pests and antimicrobial and health-promoting functions, due to its hydrolysis product 2-phenylethyl isothiocyanate, which confers 2PE as a potential application in agriculture and industry. In this study, we characterized the putative key genes for 2PE biosynthesis from Barbarea vulgaris W.T. Aiton and demonstrated the feasibility of engineering 2PE production in Nicotiana benthamiana Domin. We used different combinations of genes from B. vulgaris and Arabidopsis thaliana (L.) Heynh. to demonstrate that: (i) BvBCAT4 performed more efficiently than AtBCAT4 in biosynthesis of both homophenylalanine and dihomomethionine; (ii) MAM1 enzymes were critical for the chain-elongated profile, while CYP79F enzymes accepted both chain-elongated methionine and homophenylalanine; (iii) aliphatic but not aromatic core structure pathway catalyzed the 2PE biosynthesis; (iv) a chimeric pathway containing BvBCAT4, BvMAM1, AtIPMI and AtIPMDH1 resulted in a two-fold increase in 2PE production compared with the B. vulgaris-specific chain elongation pathway; and (v) profiles of chain-elongated products and glucosinolates partially mirrored the profiles in the gene donor plant, but were wider in N. benthamiana than in the native plants. Our study provides a strategy to produce the important homophenylalanine and 2PE in a heterologous host. Furthermore, chimeric engineering of the complex 2PE biosynthetic pathway enabled detailed understanding of catalytic properties of individual enzymes – a prerequisite for understanding biochemical evolution. The new-to-nature gene combinations have the potential for application in biotechnological and plant breeding.
KW - 2-phenylethyl isothiocyanate
KW - 2-phenylethylglucosinolate
KW - 4-(methylsulfinyl)butylglucosinolate
KW - Barbarea vulgaris
KW - BCAT4
KW - CYP79F enzymes
KW - dihomomethionine
KW - gluconasturtiin
KW - homophenylalanine
KW - MAM1
U2 - 10.1111/tpj.15212
DO - 10.1111/tpj.15212
M3 - Journal article
C2 - 33624307
AN - SCOPUS:85102818624
VL - 106
SP - 978
EP - 992
JO - Plant Journal
JF - Plant Journal
SN - 0960-7412
IS - 4
ER -
ID: 259815422