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Updated: May 7, 2026
03:32
Measurement of Chitinase Activity in Biological Samples
Published on: August 22, 2019
Chitinase Production by Streptomyces sp. ANU 6277
Kolla J P Narayana1, Muvva Vijayalakshmi
1Department of Microbiology, Acharya Nagarjuna University , Guntur 522 510, A.P. , India.
Summary
This study optimized chitinase production from Streptomyces sp. ANU 6277 using submerged fermentation. Maximum enzyme yield was achieved at pH 6, 35°C, with 1% chitin, starch, and yeast extract.
Area of Science:
- Microbiology
- Enzymology
- Biotechnology
Background:
- Chitinases are crucial enzymes for degrading chitin, a major component of fungal cell walls and arthropod exoskeletons.
- Understanding microbial chitinase production is vital for applications in agriculture, medicine, and industry.
Purpose of the Study:
- To optimize submerged fermentation conditions for enhanced chitinase production by Streptomyces sp. ANU 6277.
- To investigate the effects of various factors on enzyme yield and to purify the chitinase.
Main Methods:
- Submerged fermentation of Streptomyces sp. ANU 6277.
- Optimization of pH, temperature, chitin concentration, and nutrient supplementation (starch, yeast extract).
- Enzyme purification using Sephadex G-100 gel filtration and characterization by SDS-PAGE.
Main Results:
- Chitinase production commenced after 24 hours, peaking at 60 hours.
- Optimal production occurred at pH 6 and 35°C with 1% chitin.
- Starch and yeast extract significantly enhanced chitinase yield.
- Purified chitinase showed a single band at approximately 45 kDa on SDS-PAGE.
Conclusions:
- Submerged fermentation is effective for chitinase production by Streptomyces sp. ANU 6277.
- Specific conditions and nutrient supplements significantly boost enzyme yield.
- The purified chitinase is a promising candidate for biotechnological applications.
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