Evidence map›Paper›PMID 24250411›Full record

ArticleIranian journal of pharmaceutical research : IJPR2011

Optimization of Chitinase Production by Bacillus pumilus Using Plackett-Burman Design and Response Surface Methodology.

Noshin Tasharrofi, Sina Adrangi, Mehdi Fazeli, Hossein Rastegar, Mohammad Reza Khoshayand, Mohammad Ali Faramarzi

Open access · greenAbstract read
In one paragraph

Article in Iranian journal of pharmaceutical research : IJPR, 2011. 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
0.8field-weighted citation impact, top 28% 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, 37 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. A Thermotolerant YeastJournal of fungi (Basel, Switzerland) · 2024
    Article
  5. Article
  6. Biocontrol of fungal phytopathogens byFrontiers in microbiology · 2023
    Review
  7. Article
  8. Article
  9. Production of Vitamin DIranian journal of pharmaceutical research : IJPR · 2019
    Article
  10. Article
  11. Simultaneous Optimization of the Production of Organic Selenium and Cell Biomass inIranian journal of pharmaceutical research : IJPR · 2018
    Article
  12. Article
  13. Halotolerant Ability and α-Amylase Activity of Some Saltwater Fungal Isolates.Iranian journal of pharmaceutical research : IJPR · 2013
    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

6 authors at 1 institution in 1 country.

Noshin TasharrofiPharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran. ; Department of Pharmaceutical Biotechnology, Faculty of Pharmacy and Biotechnology Research Center, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 14174, Iran.
Sina Adrangi
Mehdi Fazeli
Hossein Rastegar
Mohammad Reza Khoshayand
Mohammad Ali Faramarzi
Tehran University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A soil bacterium capable of degrading chitin on chitin agar plates was isolated and identified as Bacillus pumilus isolate U5 on the basis of 16S rDNA sequence analysis. In order to optimize culture conditions for chitinase production by this bacterium, a two step approach was employed. First, the effects of several medium components were studied using the Plackett-Burman design. Among various components tested, chitin and yeast extract showed positive effect on enzyme production while MgSO4 and FeSO4 had negative effect. However, the linear model proved to be insufficient for determining the optimum levels for these components due to a highly significant curvature effect. In the second step, Box-Behnken response surface methodology was used to determine the optimum values. It was noticed that a quadratic polynomial equation fitted he experimental data appropriately. The optimum concentrations for chitin, yeast extract, MgSO4 and FeSO4 were found to be 4.76, 0.439, 0.0055 and 0.019 g/L, respectively, with a predicted value of chitinase production of 97.67 U/100 mL. Using this statistically optimized medium, the practical chitinase production reached 96.1 U/100 mL.

Indexed as

Bacillus pumilusBox-BehnkenChitinaseOptimizationPlackett-Burman

Identifiers

PMID24250411
PMCPMC3813072
OpenAlexW2144985765

What OpenQuestion holds

Textmetadata
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.