Evidence map›Paper›PMID 26760994›Full record

ArticleMolecules (Basel, Switzerland)2016

Antibacterial Activity of Alkaloid Fractions from Berberis microphylla G. Forst and Study of Synergism with Ampicillin and Cephalothin.

Loreto Manosalva, Ana Mutis, Alejandro Urzúa, Victor Fajardo, Andrés Quiroz

Open access · goldAbstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
3.7field-weighted citation impact, top 8% 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

13 citing papers in PubMed, 35 citations in OpenAlex.

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  10. Foods (Basel, Switzerland) · 2019
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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

5 authors at 3 institutions in 1 country.

Loreto ManosalvaLaboratorio de Productos Naturales, Instituto de la Patagonia, Universidad de Magallanes, Punta Arenas 6210427, Chile. Loreto.manosalva@umag.cl.
Ana MutisLaboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco 4811230, Chile. ana.mutis@ufrontera.cl.
Alejandro UrzúaFacultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago 9170022, Chile. alejandro.urzua@usach.cl.
Victor FajardoLaboratorio de Productos Naturales, Instituto de la Patagonia, Universidad de Magallanes, Punta Arenas 6210427, Chile. victor.fajardo@umag.cl.
Andrés QuirozLaboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco 4811230, Chile. andres.quiroz@ufrontera.cl.
Universidad de La Frontera · CLUniversidad de Magallanes · CLUniversidad de Santiago de Chile · CL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Berberis microphylla is a native plant that grows in Patagonia and is commonly used by aboriginal ethnic groups in traditional medicine as an antiseptic for different diseases. The present study evaluated the antibacterial and synergistic activity of alkaloid extracts of B. microphylla leaves, stems and roots used either individually or in combination with antibiotics against Gram-positive and Gram-negative bacteria. The in vitro antibacterial activities of leaf, stem and root alkaloid extracts had significant activity only against Gram-positive bacteria. Disc diffusion tests demonstrated that the root extract showed similar activity against B. cereus and S. epidermidis compared to commercial antibiotics, namely ampicillin and cephalothin, and pure berberine, the principal component of the alkaloid extracts, was found to be active only against S. aureus and S. epidermidis with similar activity to that of the root extract. The minimum inhibitory concentrations (MICs) of the alkaloid extracts ranged from 333 to 83 μg/mL, whereas minimum bactericidal concentrations (MBCs) varied from 717 to 167 μg/mL. In addition, synergistic or indifferent effects between the alkaloid extracts and antibiotics against bacterial strains were confirmed.

Indexed as

AmpicillinAnti-Bacterial AgentsBerberine AlkaloidsBerberisCephalothinDrug SynergismGram-Negative BacteriaGram-Positive BacteriaMicrobial Sensitivity TestsPlant ExtractsPlant LeavesPlant RootsPlant StemsAmpicillinAnti-Bacterial AgentsBerberine AlkaloidsCephalothinPlant Extractsalkaloid extractsantibacterial activityBerberis microphyllasynergism

Identifiers

PMID26760994
PMCPMC6272980
OpenAlexW2231495067

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.