Evidence map›Paper›PMID 39810444›Full record

ArticleRecent patents on biotechnology2026

Exploration of Polyhydroxybutyrate (PHB) Production Potential of Photosynthetic Microbes: A Sustainable Source of Bioplastic.

Saima Shahzad Mirza, Kanza Yaseen, Sumaira Aslam, Ammara Fatima, Mohammad Hossein Morowvat, Ayesha Ishaque, Kalsoom Fatima

Abstract read
PubMed Publisher
In one paragraph

Article in Recent patents on biotechnology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

7 authors.

Saima Shahzad MirzaMicrobial Bioengineering Laboratory, University of Education, Bank Road Campus, Lahore, Pakistan.ORCID 0000-0002-3287-9879
Kanza YaseenDepartment of Zoology, Government College Women University, Faisalabad, Pakistan.
Sumaira AslamDepartment of Zoology, Government College Women University, Faisalabad, Pakistan.
Ammara FatimaDepartment of Environmental Science, Lahore College For Women University, Lahore, Pakistan.
Mohammad Hossein MorowvatPharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Ayesha IshaqueDepartment of Zoology, University of Education, Bank Road Campus, Lahore, Pakistan.
Kalsoom FatimaDepartment of Zoology, University of Education, Bank Road Campus, Lahore, Pakistan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe present study examined Polyhydroxy butyrate production (PHB) potential of different photosynthetic microbes such as

backgroundAs the demand for clean and sustainable alternatives rises, bio-plastic is gaining attention as a viable substitute to conventional plastics. However, conventional sources of bio-plastic production have inherent limitations, which can be effectively addressed through the utilization of photosynthetic microbes e.g., microalgae, purple non sulphur bacteria. METHODOLOGY: The production of bioplastic was evaluated by cultivating the microalgae in BG-11, BBM and PNSB in synthetic growth media (MI, MII) with different nitrogen concentrations of 0%, 50% and 100%. The biopolymer (PHB) was obtained from all experiments in a wide range of concentration (7-42.8%) of dry cell weight (DCW).

resultsIn this study, algal isolate SK1 demonstrated the highest PHB content (42.8%) in BBM under 100% nitrogen starvations rendering the bioplastic exceptionally compatible and suitable for eco-friendly applications. Additionally, various patents cited by different authors on different aspects of microbial bioplastic production.

conclusionNutrition depletion such as nitrogen scarcity induced stressful growth conditions that resulted in highest accumulation of the biopolymer PHB. Optimizing nitrogen availability is key to maximizing PHB production, making it a viable sustainable alternative to conventional plastics.

Indexed as

Biodegradable PlasticsHydroxybutyratesMicroalgaePlasticsPolyestersChlorella vulgarisPatents as TopicPhotosynthesisPolyhydroxybutyratesScenedesmusBiodegradable PlasticsHydroxybutyratesPlasticspoly-beta-hydroxybutyratePolyesterspolyhydroxybutyratePolyhydroxybutyratesBioplasticconventional plastics.microalgaephotosynthetic microbespolyhydroxy butyratepurple non sulphur bacteriasynthetic plastic

Identifiers

PMID39810444

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.