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- Title
Obtainment and Inoculation of Acinetobacter pittii Strain JJ-2, and Combined Action with Plants for Formaldehyde and CO<sub>2</sub> Removal: A Research Study.
- Authors
Zhong, Jiaochan; Chen, Silan; Lin, Shujie; Jia, Yinjuan; Li, Han; Zhan, Ting; Li, Jian
- Abstract
A formaldehyde-degrading bacterium JJ-2 was isolated from the rhizosphere of Chlorophytum and identified as Acinetobacter pittii by colony morphology and 16S rDNA sequence analysis. Further studies showed that under optimal conditions, JJ-2 could maintain activity for six cycles at an initial formaldehyde concentration of 450 mg L−1. At the same time, the complete degradation time was shortened from 12 to 6 h. When the JJ-2 strain was inoculated into sterile soil, the surface spray method had the best effect, and the removal efficiency of 5 ppm formaldehyde increased by 22.63%. In an actual potted plants system colonized with strain JJ-2, the first and second fumigations (without re-inoculation) increased removal by 1.36 times and 0.92 times during the day and 1.27 times and 2.07 times at night. In addition, in the second fumigation, the plant-bacteria combined system was 693.63 ppm and the plant system was 715.34 ppm, effectively reducing the CO2 concentration. This study provides an economical, ecological, and efficient approach to improve the combined system of plants and bacteria to remove gaseous formaldehyde from indoor air, with a positive impact on carbon neutrality.
- Publication
Current Microbiology, 2024, Vol 81, Issue 1, p1
- ISSN
0343-8651
- Publication type
Article
- DOI
10.1007/s00284-023-03536-1