Evidence map›Paper›PMID 34903659›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Complete biosynthesis of the bisbenzylisoquinoline alkaloids guattegaumerine and berbamunine in yeast.

James T Payne, Timothy R Valentic, Christina D Smolke

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
5.2field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 48 citations in OpenAlex.

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  14. Genome-wide analysis of theFrontiers in plant science · 2024
    Article
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  20. Biosynthesis of tetrahydropapaverine and semisynthesis of papaverine in yeast.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

James T PayneDepartment of Bioengineering, Stanford University, Stanford, CA 94305.
Timothy R ValenticDepartment of Bioengineering, Stanford University, Stanford, CA 94305.
Christina D SmolkeDepartment of Bioengineering, Stanford University, Stanford, CA 94305; csmolke@stanford.edu.ORCID 0000-0002-5449-8495
Stanford University · USChan Zuckerberg Initiative (United States) · US

Funding

Synthetic Biology Platforms for Natural Product Discovery and BiosynthesisDP1AT007886 · NCCIH · STANFORD UNIVERSITY · PI SMOLKE, CHRISTINA D · 2012 to 2016
$3.9M
Enzyme and Pathway Engineering for in vivo Production of Anticancer Noscapine DerivativesF32AT009509 · NCCIH · STANFORD UNIVERSITY · PI PAYNE, JAMES THOMAS · 2017 to 2019
$178k
NCCIH NIH HHS DP1 AT007886NCCIH NIH HHS F32 AT009509
6 · The paper itself

Abstract

Benzylisoquinoline alkaloids (BIAs) are a diverse class of medicinal plant natural products. Nearly 500 dimeric bisbenzylisoquinoline alkaloids (bisBIAs), produced by the coupling of two BIA monomers, have been characterized and display a range of pharmacological properties, including anti-inflammatory, antitumor, and antiarrhythmic activities. In recent years, microbial platforms have been engineered to produce several classes of BIAs, which are rare or difficult to obtain from natural plant hosts, including protoberberines, morphinans, and phthalideisoquinolines. However, the heterologous biosyntheses of bisBIAs have thus far been largely unexplored. Here, we describe the engineering of yeast strains that produce the Type I bisBIAs guattegaumerine and berbamunine de novo. Through strain engineering, protein engineering, and optimization of growth conditions, a 10,000-fold improvement in the production of guattegaumerine, the major bisBIA pathway product, was observed. By replacing the cytochrome P450 used in the final coupling reaction with a chimeric variant, the product profile was inverted to instead produce solely berbamunine. Our highest titer engineered yeast strains produced 108 and 25 mg/L of guattegaumerine and berbamunine, respectively. Finally, the inclusion of two additional putative BIA biosynthesis enzymes, SiCNMT2 and NnOMT5, into our bisBIA biosynthetic strains enabled the production of two derivatives of bisBIA pathway intermediates de novo: magnocurarine and armepavine. The de novo heterologous biosyntheses of bisBIAs presented here provide the foundation for the production of additional medicinal bisBIAs in yeast.

Indexed as

AlkaloidsBenzylisoquinolinesBiosynthetic PathwaysCytochrome P-450 Enzyme SystemFermentationIsoquinolinesMetabolic EngineeringPlant ProteinsProtein EngineeringRacemases and EpimerasesRecombinant ProteinsSaccharomyces cerevisiaeTetrahydroisoquinolinesAlkaloidsarmepavineBenzylisoquinolinesberbamunineCytochrome P-450 Enzyme SystemguatteguamerineIsoquinolinesmagnocurarineN-methylcoculaurinePlant ProteinsRacemases and EpimerasesRecombinant ProteinsTetrahydroisoquinolinesbenzylisoquinoline alkaloidsbisbenzylisoquinoline alkaloidsmetabolic engineeringplant natural productsprotein engineering

Identifiers

PMID34903659
PMCPMC8713753
OpenAlexW4200381520

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.