Results 81 to 90 of about 73,340 (107)

Decoding kratom: molecular mechanisms and epigenetic factors in use and dependence. [PDF]

Transl Psychiatry
Misnan E, Hasbullah NZA, Abd Rashid R, Mohd Shah A, Sim MS.   +4 more
europepmc   +1 more source

Genomic features and the transcriptional regulation of secondary metabolite biosynthesis of endophytic fungus <i>Xylaria</i> sp. VDL4 isolated from <i>Vaccinium dunalianum</i>. [PDF]

Microb Genom
Li L, Yuan X, Chen Z, Wang Y, He T, Kang Z, Luo M, Peng C, Zhang Q, Lu L, Yao J, Yu J, Zhu G.   +12 more
europepmc   +1 more source

The Structure of Carboxyl Methyltransferase Provides Insights Into the Substrate Specificity and Divergent Evolution of Iridoid. [PDF]

Plant Biotechnol J
Li L, Luo Z, He Z, Tang J, Wei W, Zhan R, Zhou H, Ma D.   +7 more
europepmc   +1 more source

Ancient gene clusters govern the initiation of monoterpenoid indole alkaloid biosynthesis and C3 stereochemistry inversion. [PDF]

Nat Commun
Hwang J, Kirshner J, Deschênes DAR, Richardson MB, Fleck SJ, Mann SGA, Guo J, Perley JO, Shahsavarani M, Garza-Garcia JJO, Seveck AD, Doiron SS, Mai Z, Silliphant SN, Englehart SA, Blight BA, Calhoun L, Gao D, Lian J, Deslongchamps G, Albert VA, Qu Y.   +21 more
europepmc   +1 more source

Microbial elicitors to metabolic reprogramming: an integrative model of plant-microbe interactions. [PDF]

Front Microbiol
Hembram DB, Panda SP, Das BK, Soren D, Singh NR.   +4 more
europepmc   +1 more source

Biosynthetic Origin of the Methoxy Group in Quinine and Related Cinchona Alkaloids

Lombe BK, Zhou T, Caputi L, Ploss K, O’Connor SE.   +4 more
europepmc   +1 more source

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First synthesis of hunterioside, a novel disaccharide carrying monoterpenoid indole alkaloid, by assembly of three components, tryptamine, secologanin, and a newly-developed glucosyl donor

Tetrahedron Letters, 1999
Abstract The novel structure of hunterioside, the first example of monoterpenoid indole alkaloids carrying a disaccharide, was confirmed by chemical synthesis starting from tryptamine, secologanin, and a newly-developed gulucosyl donor, which selectively gives α-gluco type glycosidic linkage in the reaction with a secologanin derivative.
Hiromitsu Takayama, Norio Aimi
exaly   +2 more sources

Alkaloid formation in cell suspension cultures of Tabernaemontana elegans after feeding of tryptamine and loganin or secologanin

Plant Cell, Tissue and Organ Culture, 2002
A cell suspension culture of Tabernaemontana elegans lost its ability to produce alkaloids after a prolonged period of subculture. To determine whether it was still capable of performing the later steps of the alkaloid biosynthetic pathway, the culture was fed with tryptamine and loganin.
Rob Verpoorte, R van der Heijden
exaly   +2 more sources

Biotransformation of tryptamine and secologanin into plant terpenoid indole alkaloids by transgenic yeast

Applied Microbiology and Biotechnology, 2001
A transgenic Saccharomyces cerevisiae was constructed containing the cDNAs coding for strictosidine synthase (STR) and strictosidine beta-glucosidase (SGD) from the medicinal plant Catharanthus roseus. Both enzymes are involved in the biosynthesis of terpenoid indole alkaloids. The yeast culture was found to express high levels of both enzymes.
Rob Verpoorte, Johan Memelink, R van der Heijden   +2 more
exaly   +3 more sources

An assay for secologanin in plant tissues based on enzymatic conversion into strictosidine [PDF]

Phytochemical Analysis, 1998
The secoiridoid glucoside secologanin is the terpenoid building block in the biosynthesis of terpenoid indole alkaloids. A method for its determination in plant tissues and cell suspension cultures has been developed.
Rob Verpoorte, Giancarlo Pasquali, Robert van der Heijden   +2 more
exaly   +1 more source