Microbiological Aspects of Lignin Degradation 1

Gottlieb, Sidney; Pelczar, Michael J.

doi:10.1128/mmbr.15.2.55-76.1951

Cited by 19 publications

(3 citation statements)

References 14 publications

(15 reference statements)

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“…These results conflict with previous reports that C. versicolor and other white-rot fungi can grow on lignin as sole carbon source (5). A basis for the discrepancy may lie in differences in the methods used to determine growth and degradation or in the lignin preparations used.…”

contrasting

confidence: 92%

Requirement for a Growth Substrate During Lignin Decomposition by Two Wood-Rotting Fungi

Kirk¹,

Connors²,

Zeikus

1976

Appl Environ Microbiol

262

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contrasting

confidence: 92%

Requirement for a Growth Substrate During Lignin Decomposition by Two Wood-Rotting Fungi

Kirk¹,

Connors²,

Zeikus

1976

Appl Environ Microbiol

262

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“…Lignin was considered a typical industrial by-product, available in pulp and paper waste, agricultural residue, and other hydrolytic industries (Gottlieb and Pelczar, 1951; Reddy and Yang, 2005; Santos et al, 2013). Specifically, large quantities of lignin were produced by biorefineries, as an alternative for industries that manufactured petroleum-based products.…”

Section: Introductionmentioning

confidence: 99%

Bacterial Valorization of Lignin: Strains, Enzymes, Conversion Pathways, Biosensors, and Perspectives

Lee

Kang

Bae

et al. 2019

Front. Bioeng. Biotechnol.

144

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Lignin, an aromatic polymer found in plants, has been studied for years in many biological fields. Initially, when biofuel was produced from lignocellulosic biomass, lignin was regarded as waste generated by the biorefinery and had to be removed, because of its inhibitory effects on fermentative bacteria. Although it has since proven to be a natural resource for bio-products with considerable potential, its utilization is confined by its complex structure. Hence, the microbial degradation of lignin has attracted researchers' interest to overcome this problem. From this perspective, the studies have primarily focused on fungal systems, such as extracellular peroxidase and laccase from white- and brown-rot fungi. However, recent reports have suggested that bacteria play an increasing role in breaking down lignin. This paper, therefore, reviews the role of bacteria in lignin and lignin-related research. Several reports on bacterial species in soil that can degrade lignin and their enzymes are included. In addition, a cellulolytic anaerobic bacterium capable of solubilizing lignin and carbohydrate simultaneously has recently been identified, even though the enzyme involved has not been discovered yet. The assimilation of lignin-derived small molecules and their conversion to renewable chemicals by bacteria, such as muconic acid and polyhydroxyalkanoates, including genetic modification to enhance their capability was discussed. This review also covers the indirect use of bacteria for lignin degradation, which is concerned with whole-cell biosensors designed to detect the aromatic chemicals released from lignin transformation.

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“…Although in situ lignins are attacked by some soil organisms and certain basidiomycetes, (Phillips et al, 1930;Tenney and Waksman, 1930;Waksman and Hutchings, 1936;ZoBell and Stadler, 1940;Fischer, 1953) the isolated lignins appear to be more resistant to microbial attack than the naturally occurring compounds. The literature review of Gottlieb and Pelczar (1951) lists several inherent weaknesses in most reported data, especially (a) failure to recognize that trace nutrients in the lignin substrate might be supporting microbial growth and (b) use of nonspecific methods to measure lignin utilization.…”

mentioning

confidence: 99%