Biodegradability of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2 isolated from a commercial aquafarm
Research Square (Research Square)2023
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Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Shahadat Hossain,
Shahadat Hossain,
Shahadat Hossain,
Shahadat Hossain,
Shahadat Hossain,
Shahadat Hossain,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Shahadat Hossain,
Shahadat Hossain,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Zuhayra Nasrin Ahmad Shukri,
Khor Waiho,
Yusof Shuaib Ibrahim
Shahadat Hossain,
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Khor Waiho,
Khor Waiho,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Khor Waiho,
Zuhayra Nasrin Ahmad Shukri,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Zuhayra Nasrin Ahmad Shukri,
Khor Waiho,
Khor Waiho,
Khor Waiho,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Amyra Suryatie Kamaruzzan,
Amyra Suryatie Kamaruzzan,
Amyra Suryatie Kamaruzzan,
Yusof Shuaib Ibrahim
Khor Waiho,
Nor Azman Kasan,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Amyra Suryatie Kamaruzzan,
Khor Waiho,
Khor Waiho,
Amyra Suryatie Kamaruzzan,
Amyra Suryatie Kamaruzzan,
Amyra Suryatie Kamaruzzan,
Amyra Suryatie Kamaruzzan,
Ahmad Ideris Abdul Rahim,
Khor Waiho,
Yusof Shuaib Ibrahim
Khor Waiho,
Khor Waiho,
Khor Waiho,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Amyra Suryatie Kamaruzzan,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Amyra Suryatie Kamaruzzan,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Ahmad Shuhaimi Draman,
Ahmad Shuhaimi Draman,
Helena Khatoon,
Nor Azman Kasan,
Nor Azman Kasan,
Yusof Shuaib Ibrahim
Khor Waiho,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Ahmad Shuhaimi Draman,
Yusof Shuaib Ibrahim
Amyra Suryatie Kamaruzzan,
Yusof Shuaib Ibrahim
Wahidah Wahab,
Wahidah Wahab,
Wahidah Wahab,
Ahmad Shuhaimi Draman,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Nor Azman Kasan,
Amyra Suryatie Kamaruzzan,
Helena Khatoon,
Khor Waiho,
Ahmad Ideris Abdul Rahim,
Ahmad Ideris Abdul Rahim,
Helena Khatoon,
Helena Khatoon,
Helena Khatoon,
Helena Khatoon,
Khor Waiho,
Nor Azman Kasan,
Ahmad Shuhaimi Draman,
Nor Azman Kasan,
Nor Azman Kasan,
Nor Azman Kasan,
Nor Azman Kasan,
Nor Azman Kasan,
Yusof Shuaib Ibrahim
Yusof Shuaib Ibrahim
Nor Azman Kasan,
Nor Azman Kasan,
Nor Azman Kasan,
Yusof Shuaib Ibrahim
Summary
This study tested whether common bacteria could biologically degrade polyethylene, polypropylene, and polystyrene microplastics, finding measurable but slow biodegradation over extended periods. Identifying microorganisms capable of breaking down these persistent plastics could eventually contribute to bioremediation strategies for microplastic pollution in soils and water.
Abstract The ubiquitous proximity of the commonly used microplastic (MP) particles particularly polyethylene (PE), polypropylene (PP), and polystyrene (PS) poses a serious threat to the environment, and human health globally. Biological treatment as an environment-friendly approach to MPs pollution has recent interest when the bio-agent has beneficial functions in their ecosystem. This study aimed to utilize beneficial floc-forming bacteria B. cereus SHBF2 isolated from an aquaculture farm in reducing the MPs particles (PE, PP, and PS) from their environment. The bacteria were inoculated for 60 days in a media containing MPs particles as a sole carbon source. On different days of incubation (DOI), the bacterial growth analysis was monitored and the MPs particles were harvested to examine their weight loss, surface changes, and alterations in chemical properties. After 60 DOI, the highest weight loss was recorded for PE, 6.87 ± 0.92%, which was further evaluated to daily reduction rate (k), 0.00118 gday − 1 , and half-life (t 1/2 ), 605.08 ± 138.52 days. The OD value (1.38 ± 0.18 Abs.) indicated the higher efficiency of bacteria for PE utilization, whereas the colony-forming unit showed the bacteria was growing at a higher rate while utilizing PP (1.04 × 10 11 CFU/mL). Biofilm formation, erosions, cracks, and fragments were evident when the surface changes were observed using scanning electron microscopy (SEM) which resulted in the formation of carbonyl and alcohol group due to the oxidation and hydrolysis were confirmed using Fourier transform infrared spectroscopic (FTIR) analysis. The results confirmed and indicated a higher degree of biodegradation in all of the selected MPs types. Thus, this study revealed that the floc-forming bacteria, B. cereus SHBF2 has a high potential to be used as an effective MPs degrading bacteria.