AL KAUNIYAH
Vol. 19 No. 2 (2026): AL-KAUNIYAH: JURNAL BIOLOGI

Chromium Bioremediation Using a Combination of Two Indigenous Rhizobacteria In Vitro

Wahyu Surakusumah (Universitas Pendidikan Indonesia)
Nurul Ilma Apriliani (Universitas Pendidikan Indonesia)
Diah Kusumawaty (Universitas Pendidikan Indonesia)
Wijanarka Wijanarka (Universitas Dipenogoro)
Achmad Dinoto (Badan Riset dan Inovasi Nasional (BRIN))
Restu Utari Dewina (Universitas Pendidikan Indonesia)



Article Info

Publish Date
09 Jul 2026

Abstract

Sukaregang, known for its leathercraft industry, faces chromium pollution from poorly managed tannery waste, affecting soil and water resources. The dynamic soil area influenced by plant roots, known as the rhizosphere, becomes a habitat for various microorganisms with unique metabolic capabilities that have significant potential as bioremediation agents for heavy-metal-contaminated environments. This study aims to evaluate the potential of indigenous bacterial consortia from the chromium-contaminated rhizosphere as bioremediation agents. Five bacterial genera: Pseudomonas, Citrobacter, Bacillus, Azotobacter, and Micrococcus, were identified as chromium-resistant in vitro. Compatibility tests showed that these bacterial combinations exhibited synergies without growth inhibition. Among the five consortia combinations tested (AB, BC, CD, DE, EA), consortium DE (Azotobacter and Micrococcus), exhibiting the most stable growth dynamics, characterized by a sustained stationary phase, suggesting a superior adaptive response to chromium-induced stress. Under chromium stress, the consortium EA (Micrococcus and Pseudomonas) achieved the highest chromium removal percentage at 30.78%. This study suggests that indigenous rhizobacterial consortia could be a practical approach to remediate chromium pollution in areas like Sukaregang.

Copyrights © 2026






Journal Info

Abbrev

kauniyah

Publisher

Subject

Biochemistry, Genetics & Molecular Biology Materials Science & Nanotechnology

Description

Al-Kauniyah: Jurnal Biologi (p-ISSN: 1978-3736, e-ISSN: 2502-6720) is an Open Access Journal published by Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islamic University Jakarta, and established since 2007. Since 2016 Al-Kauniyah has established a collaboration ...