MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202611008275 A) filed by Akanksha Pandey; Sachin Kumar; Navneet Bithel; Sandeep Kumar; Harinder Singh Banyal; Nitesh Kumar; Sachin Sharma; Manisha Pandey; S. P. Joshi; and Arti Sharma, Haridwar, Uttarakhand, on Jan. 28, for 'shewanella baltica ed13 bacterial strain and method for biodegradation of azo dyes thereof.'
Inventor(s) include Akanksha Pandey; Sachin Kumar; Navneet Bithel; Sandeep Kumar; Harinder Singh Banyal; Nitesh Kumar; Sachin Sharma; Manisha Pandey; S. P. Joshi; and Arti Sharma.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention discloses a novel bacterial isolate Shewanella baltica ED13 (GenBank accession ON196605) derived from textile effluent demonstrating exceptional azo dye biodegradation capability. The strain exhibits 98.22 percent decolorization efficiency for methyl orange dye under optimized conditions comprising pH 7.0, temperature 37 degrees Celsius, dye concentration 200 mg/L, and 24-hour incubation period established through Response Surface Methodology-based Central Composite Design optimization. The invention provides significant biosafety advantages as the strain demonstrates gamma-hemolytic non-pathogenic characteristics and susceptibility to multiple antibiotics including co-trimoxazole, ciprofloxacin, and gentamicin. GC-MS and FT-IR analyses confirm complete chemical cleavage of azo dye structure with formation of simpler metabolites including benzoic acid, diethyl phthalate, and toluene. Phytotoxicity assessment using Vigna radiata seeds validates conversion of toxic dye into non-toxic degradation products. The invention delivers technological feasibility for sustainable bioremediation of dye-contaminated wastewater from textile, paper, and pulp industries."
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