ArticleCurrent microbiology2022
Feather-Degrading Bacillus cereus HD1: Genomic Analysis and Its Optimization for Keratinase Production and Feather Degradation.
Article in Current microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 19 citations in OpenAlex.
- Seeking soil microbial degraders and enzymatic genes for efficient biomass recycling.Applied biochemistry and biotechnology · 2026Article
- Biodegradation of hair waste for keratinase production using Bacillus altitudinis VK-1120 and its application in enzymatic dehairing.Biodegradation · 2026Article
- Streptomyces shaoguanensis sp. nov.: elucidating the mechanisms of efficient chicken feather degradation and its potential for biofertilizer development.Microbial cell factories · 2025Article
- Construction of artificial microbial consortia for efficient degradation of chicken feathers and optimization of degradation conditions.World journal of microbiology & biotechnology · 2024Article
- Screening ofHeliyon · 2024Article
- A Comparative Transcriptome Analysis Unveils the Mechanisms of Response in Feather Degradation byMicroorganisms · 2024Article
- Identification of molecular interactions of pesticides with keratinase for their potential to inhibit keratin biodegradation.In silico pharmacology · 2024Article
- Response surface methodology based optimization of keratinase fromSaudi journal of biological sciences · 2023Article
- Biochemical and molecular characterization of novel keratinolytic protease fromFrontiers in microbiology · 2023Article
- Keratinolytic Properties ofInternational journal of environmental research and public health · 2022Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Keratinase is an important enzyme that is used to degrade feather wastes produced by poultry industries and slaughterhouses that accumulate rapidly over time. The search for keratinase-producing microorganisms is important to potentially substitute physicochemical treatments of feather waste. In this study, the genome of Bacillus cereus HD1 and its keratinolytic prowess was investigated. The whole-genome shotgun size is 5,668,864 bp consisting of 6083 genes, 69 tRNAs, and 10 rRNAs. The genomic analyses revealed 15 potential keratinase genes and other enzymes that might assist keratin degradation, such as disulfide reductase and cysteine dioxygenase. The optimal conditions for feather degradation and keratinase production by B. cereus HD1 such as incubation time, pH, temperature, yeast extract, and glycerol concentrations were determined to be 5 days, pH 8, 37 °C, 0.05% (w/v), and 0.1% (v/v), respectively. Under optimized conditions, B. cereus HD1 exhibited feather degradation of 65%, with bacterial growth and maximum keratinase activity of 1.3 × 10
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