Efficient alachlor degradation by the filamentous fungus Paecilomyces marquandii with simultaneous oxidative stress reduction

• The acceleration of alachlor degradation by Paecilomyces marquandii in bioreactor. • Induction of oxidative stress during biodegradation. • Active response of the tested fungus against alachlor induced oxidative stress. • ROS alleviation at neutral pH.