Results 31 to 40 of about 19,941 (251)

Transcriptomic analysis of genes related to alkaloid biosynthesis and the regulation mechanism under precursor and methyl jasmonate treatment in Dendrobium officinale

open access: yesFrontiers in Plant Science, 2022
Dendrobium officinale is both a traditional herbal medicine and a plant of high ornamental and medicinal value. Alkaloids, especially terpenoid indole alkaloids (TIAs), with pharmacological activities are present in the tissues of D. officinale. A number
Chunyan Jiao   +8 more
doaj   +1 more source

A chromosome-level Camptotheca acuminata genome assembly provides insights into the evolutionary origin of camptothecin biosynthesis

open access: yesNature Communications, 2021
Camptothecin is a monoterpene indole alkaloid with anti-tumor activity. Here, the authors assemble the genome of the camptothecin producing plant Camptotheca acuminata and provide insights into the evolutionary origin of camptothecin biosynthesis by ...
Minghui Kang   +9 more
doaj   +1 more source

Alkaloid from Geissospermum sericeum Benth. & Hook.f. ex Miers (Apocynaceae) Induce Apoptosis by Caspase Pathway in Human Gastric Cancer Cells

open access: yesPharmaceuticals, 2023
Gastric cancer is among the major causes of death from neoplasia leading causes of death worldwide, with high incidence rates and problems related to its treatment.
Mirian Letícia Carmo Bastos   +12 more
doaj   +1 more source

Indole alkaloid and other constituents from ocotea minarum

open access: greenJournal of the Brazilian Chemical Society, 2006
Garcez Walmir S.   +3 more
doaj   +1 more source

A New Prenylated Indole Diketopiperazine Alkaloid from Eurotium cristatum

open access: yesMolecules, 2014
A new prenylated indole diketopiperazine alkaloid, cristatumin F (1), and four known metabolites, echinulin (2), dehydroechinulin (3), neoechinulin A (4) and variecolorin O (5), were isolated from the crude extract of the fungus Eurotium cristatum.
Xianwei Zou   +9 more
doaj   +1 more source

Microneedle‐Based Biofertilizer Delivery Improves Plant Growth Through Microbiome Engineering

open access: yesAdvanced Functional Materials, EarlyView.
This figure shows how microneedles are used to deliver biofertilizers to enhance plant growth through microbial migration, metabolic reprogramming, and changes in plant endogenous microbiome. Abstract This study presents a microneedle‐based system for the delivery of rhizospheric biofertilizers into plant tissues to enhance growth.
Zhicheng Le   +14 more
wiley   +1 more source

Isoquinoline Alkaloids and Indole Alkaloids Attenuate Aortic Atherosclerosis in Apolipoprotein E Deficient Mice: A Systematic Review and Meta-Analysis

open access: yesFrontiers in Pharmacology, 2018
Background: Several studies have attempted to relate the bioactive alkaloid with atherosclerotic cardiovascular diseases prevention in animal models, providing inconsistent results.
Yibing Zhang   +6 more
doaj   +1 more source

Microbial Hydroxylation of Indole Alkaloids [PDF]

open access: yesApplied Microbiology, 1964
The hydroxylation of the indole-type alkaloids, yohimbine, α-yohimbine, β-yohimbine, and corynanthine, was achieved with several genera of higher fungi and species of Streptomyces . Microorganisms were found which monohydroxylated these compounds in three different positions.
R E, HARTMAN   +3 more
openaire   +2 more sources

Uncovering the Mechanism of Azepino‐Indole Skeleton Formation via Pictet–Spengler Reaction by Strictosidine Synthase: A Quantum Chemical Investigation

open access: yesChemistryOpen, 2023
Strictosidine synthase (STR) catalyzes the Pictet–Spengler (PS) reaction of tryptamine and secologanin to produce strictosidine. Recent studies demonstrated that the enzyme can also catalyze the reaction of non‐natural substrates to form new alkaloid ...
Mingqi Mou   +5 more
doaj   +1 more source

Unlocking fruit dimensions: Quantification of functional traits driving plant–frugivore interactions

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Fleshy fruits attract animals to ingest fruit, swallow the seeds, and release them in the landscape, thus facilitating seed dispersal and plant regeneration. Attraction of animal dispersers is achieved via attractants such as color or scent, and rewards like sugars, lipids, and micronutrients.
Linh M. N. Nguyen   +4 more
wiley   +1 more source

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