Potential microbial applications of co-cultures involving ligninolytic fungi in the bioremediation of recalcitrant xenobiotic compounds

被引:48
作者
Ijoma, G. N. [1 ,2 ]
Tekere, M. [1 ]
机构
[1] Univ South Africa, Dept Environm Sci, Christiaan De Wet Pioneer Dr,POB X6, ZA-1710 Florida, South Africa
[2] Pearson Inst Higher Educ, Dept Appl Sci, 44 Alsatian Rd,Glen Austin Ext 3, ZA-1685 Midrand, South Africa
关键词
Co-cultures; Synergism; Antagonisms; White rot fungi; Ligninolytic fungi; Biodegradation; Bioremediation; POLYCYCLIC AROMATIC-HYDROCARBONS; WHITE-ROT FUNGI; SOLID SUBSTRATE FERMENTATION; EXTRACELLULAR LACCASE PRODUCTION; MANGANESE PEROXIDASE PRODUCTION; PLEUROTUS-OSTREATUS; PHANEROCHAETE-CHRYSOSPORIUM; TRAMETES-VERSICOLOR; MIXED CULTURE; AZO DYES;
D O I
10.1007/s13762-017-1269-3
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Recalcitrant xenobiotic compounds are a major source of concern due to their resistance to degradation and persistency in the environment. Xenobiotic compounds pose a serious threat to the environment as they tend to distort the nutrient cycling and affect non-target organisms. These recalcitrant compounds include heavy metals, halocarbons, polychlorinated biphenyls, polycyclic aromatic compounds, synthetic polymers, alkyl benzyl sulphonates, nitroaromatics, dioxins, synthetic dyes, chlorophenols, certain herbicides and pesticides as well as lignins that are ubiquitous in nature. Xenobiotic compounds find their way into the environment either through intentional release as happens with pesticides and herbicides spray or accidentally in the form of oil spills and persist as sediments and complexes, thereby reducing the quality of soil and water bodies and consequently creating the need for removal and/or remediation processes. White rot fungi which degrade the most recalcitrant natural polymer, lignin, have been shown to degrade a wide range of recalcitrant xenobiotic compounds. Recently, the use of co-cultures of white rot has been a subject of research. Owing to the variation in the ligninolytic machinery and rates of degradation, the use of co-cultures is attractive as it offers the advantage of combining the degradative capabilities of different fungi to bring about complete degradation of the parent compounds as well as the metabolites.
引用
收藏
页码:1787 / 1806
页数:20
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