Abstract
The extensive use of synthetic dyes in the textile industry has resulted in the continuous discharge of toxic effluents into aquatic ecosystems. Among them, azo dyes represent the largest class of synthetic colorants and are known for their high stability and resistance to conventional physicochemical treatments. In this study, the dye-degrading potential of actinobacterial isolates maintained in the culture collection of the Ondokuz Mayıs University was evaluated using both solid and liquid media containing different azo dyes. During preliminary screening on dye-containing agar, all isolates exhibited good growth in the presence of dyes prepared at a concentration of 100 mg/L. Among these, when tested with MR, Kribbella hippodromi, Williamsia limnetica, Kribbella aluminosa, K. albertanoniae, Tsukamurella tyrosinosolvens, T. pulmonis, and T. strandjordii produced slight decolourisation zones. Distinct clearing zones on CSB-A agar were observed around T. spumae, T. tyrosinosolvens, T. inchonensis, and T. pulmonis. In the presence of FB, some strains exhibited strong decolourisation activity; however, FB partially inhibited the growth of certain isolates. Quantitative assays in liquid culture confirmed that W. limnetica achieved more than 90% removal of MR within 15 days, followed by K. aluminosa and T. tyrosinosolvens (87–92%). In contrast, the removal of CSB-A, SSBR, and CG-NP remained below 20%. Overall, MR and FB were the most susceptible dyes, and W. limnetica, T. tyrosinosolvens, and K. aluminosa emerged as the most efficient degraders. These findings highlight the broad-spectrum decolourisation capacity of actinobacteria and their promising potential for the bioremediation of dye-contaminated wastewater.
Ethical Statement
In the study, the authors declare that there is no violation of research and publication ethics and that the study does not require ethics committee approval.
Project Number
TUBITAK (2209), 1919B012431453
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Details
| Primary Language | English |
|---|---|
| Subjects | Industrial Microbiology |
| Journal Section | Research Article |
| Authors | |
| Project Number | TUBITAK (2209), 1919B012431453 |
| Submission Date | October 15, 2025 |
| Acceptance Date | December 5, 2025 |
| Early Pub Date | December 26, 2025 |
| Publication Date | December 29, 2025 |
| Published in Issue | Year 2025 Volume: 1 Issue: 1 |
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Aktif araştırma alanları; Coğrafi Bilgi Sistemi (CBS) ve Uzaktan Algılama (UA) tekniklerini kullanarak; yeraltı sularının kirlenmeye karşı hassasiyetinin ve potansiyelinin değerlendirilmesi, yer seçimi, çeşitli coğrafi unsurlara ait morfometrik özelliklerinin belirlenmesi, arazi kullanımına ait zamansal değişimlerin, yüzey sıcaklığının ve bitki örtüsünün haritalanması ve belirlenmesi konularını içermektedir.
Caner Ozdemir received the B.S.E.E. degree in 1992 from the Middle East Technical University, Ankara, Turkey, and the M.S.E. and Ph. D. degrees in Electrical & Computer Engineering from the University of Texas at Austin in 1995 and 1998, respectively.
From 1992 to 1993, he worked as a project engineer at the Electronic Warfare Programs Directorate of ASELSAN Electronic Industries Inc., Ankara, Turkey. From 1998 to 2000, he worked as a research scientist at Electronic & Avionics Systems (ASTG) group of AlliedSignal Inc., Columbia, Maryland. He joined the faculty of Mersin University in 2000 and is currently a professor in the department of Electrical-Electronics Engineering, Mersin, Turkey. He has been serving as a consultant to the Marmara Research Center of the Scientific and Research Council (TUBITAK) of Turkey and many defense industry firms. Dr. Ozdemir’s research interests are radar cross section, radar image/signal processing, inverse synthetic aperture radar (ISAR), radar cross section, ground penetrating radar, through-the-wall imaging radar and antenna design. He has published more than 180 journal articles and conference/symposium papers on these subjects.
Dr. Ozdemir is a recipient of URSI EMT-S Young Scientist Award in the 2004 International Symposium on Electromagnetic Theory in Pisa, Italy and also recipient of a JARS best paper award for photo-optical instrumentation published in the Journal of Applied Remote Sensing in 2016. He is the author of the book titled “Inverse Synthetic Aperture Radar Imaging with Matlab Algorithms”.
nanometarial, silica aerogel, carbon nanotube, graphene, high entropy alloy
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