Molecular identification and phylogenetic profiling of keratinolytic bacteria isolated from goose and chicken farms in a cold region of Türkiye
2025
Uluçay, Orhan | Öziç, Cem
The aim of this study was to investigate bacterial diversity in certain goose and poultry farms in Kars, Türkiye a cold climate zone. Feather waste samples rich in organic compounds were collectedfrom multiple farm locations and evaluated for bacterial diversity. A total of 27 bacteria were isolated. 16S rRNA gene sequencing, morphological, physiological, biochemical and molecular techniques were used. Isolates included Escherichia coli, Ralstonia picketti, Pantoea agglomerans, Kosakonia cowanii, Bacillus licheniformis, Bacillus zhangzhouensis, Bacillus pumilus, Exiguobacterium sibiricum, Exiguobacterium artemiae, Macrococcus caseolyticus, Mammaliicoccus vitulinus, Mammaliicoccus sciuri and Rothia nasisuis. Most of the isolates are positive for characteristics such as spore formation, motility and catalase activity. These isolates also showed adaptation to nutrient-rich and varying temperature parameters. Molecular identification results confirmed the results of phylogenetic analyses, showing strong bootstrap support. The identification of resistant bacteria in these keratin-rich regions plays an important role in the control of poultry waste management. These bacteria, which are desirable for biotechnological applications, are also importance in enzyme studies. This study provides valuable information on the functional diversity of microbial communities in goose and poultry farming. It draws attention to the importance of microbial enzymes in the disposal of keratin wastes.
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