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The catalytic degradation mechanism of petroleum hydrocarbons by Ferripyochelin produced from the extracellular fluid of Pseudomonas aeruginosa NY3
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Zhi-ruo HUANG1, Di-ni GUO1, Tao ZHAO1, Hong-yun NIE1, 2, *, Mai-qian NIE1, 2, Lei WANG1, 2, Bi-jie ZHAO1
China Environmental Science | 2025, 45(4) : 2298 - 2304
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China Environmental Science | 2025, 45(4): 2298-2304
• Environmental Microbiology •
The catalytic degradation mechanism of petroleum hydrocarbons by Ferripyochelin produced from the extracellular fluid of Pseudomonas aeruginosa NY3
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Zhi-ruo HUANG1, Di-ni GUO1, Tao ZHAO1, Hong-yun NIE1, 2, *, Mai-qian NIE1, 2, Lei WANG1, 2, Bi-jie ZHAO1
Affiliations
  • 1.School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
  • 2.Key Laboratory of Membrane Separation, Xi’an 710055, China
Published: 2025-04-20
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The catalytic degradation mechanism of petroleum hydrocarbons by Ferripyochelin (FerriPCH), formed by the combination of pyochelin (PCH) from the extracellular fluid of P. aeruginosa NY3 and Ferri, was investigated. The results showed that two chiral PCHs were produced by strain NY3. The purified PCH could degrade both alkanes and polycyclic aromatic compounds of petroleum hydrocarbon after combining with Ferri. A certain ratio of hexadecane, anthracene, as well as phenanthrene could be degraded by FerriPCH which formed by PCH and Ferri in the ratio from 2:1 to 1:1. In addition, degradation efficiency of aromatic hydrocarbons with low bio-availability was significantly higher than that of alkanes. Further studies showed that strongly oxidizing free radicals of •OH and •O2- produced after the binding of Ferri and PCH degraded petroleum hydrocarbons into carbon dioxide and water step by step.

pyochelin  /  FerriPCH  /  catalytic degradation  /  petroleum hydrocarbons  /  free radicals
Zhi-ruo HUANG, Di-ni GUO, Tao ZHAO, Hong-yun NIE, Mai-qian NIE, Lei WANG, Bi-jie ZHAO. The catalytic degradation mechanism of petroleum hydrocarbons by Ferripyochelin produced from the extracellular fluid of Pseudomonas aeruginosa NY3[J]. China Environmental Science, 2025 , 45 (4) : 2298 -2304 .
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  • Receive Date：2024-09-11
  • Online Date：2026-03-19
  • Published：2025-04-20
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  • Received：2024-09-11
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Affiliations
    1.School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    2.Key Laboratory of Membrane Separation, Xi’an 710055, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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