Purification, structural elucidation and biological activities of exopolysaccharide produced by the endophytic Penicillium javanicum from Millettia speciosa Champ.

Lai, Lin-Hao; Zong, Min‐Hua; Huang, Zhi; Ni, Zi-Fu; Xu, Pei; Lou, Wen-Yong

doi:10.1016/j.jbiotec.2022.12.008

Cited by 4 publications

(1 citation statement)

References 53 publications

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“…Despite the early description of Penicillium javanicum, which has the homotypic synonym Eupenicillium javanicum, in 1929 [29], followed by its isolation from various habitats [30][31][32][33][34][35], little is known about the utilization of petroleum hydrocarbons by this species. In one study by Oudot et al [36], various strains of tropical fungi, including E. javanicum strains, were isolated from petroleum-contaminated soil and river sediments and analyzed for the degradation of oil and oil fractions.…”

Section: Consumption and Degradation Of Tetradecanementioning

confidence: 99%

Comparative Bioremediation of Tetradecane, Cyclohexanone and Cyclohexane by Filamentous Fungi from Polluted Habitats in Kazakhstan

Gaid,

Jentzsch,

Beermann

et al. 2024

JoF

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Studying the fates of oil components and their interactions with ecological systems is essential for developing comprehensive management strategies and enhancing restoration following oil spill incidents. The potential expansion of Kazakhstan’s role in the global oil market necessitates the existence of land-specific studies that contribute to the field of bioremediation. In this study, a set of experiments was designed to assess the growth and biodegradation capacities of eight fungal strains sourced from Kazakhstan soil when exposed to the hydrocarbon substrates from which they were initially isolated. The strains were identified as Aspergillus sp. SBUG-M1743, Penicillium javanicum SBUG-M1744, SBUG-M1770, Trichoderma harzianum SBUG-M1750 and Fusarium oxysporum SBUG-1746, SBUG-M1748, SBUG-M1768 and SBUG-M1769 using the internal transcribed spacer (ITS) region. Furthermore, microscopic and macroscopic evaluations agreed with the sequence-based identification. Aspergillus sp. SBUG-M1743 and P. javanicum SBUG-M1744 displayed remarkable biodegradation capabilities in the presence of tetradecane with up to a 9-fold biomass increase in the static cultures. T. harzianum SBUG-M1750 exhibited poor growth, which was a consequence of its low efficiency of tetradecane degradation. Monocarboxylic acids were the main degradation products by SBUG-M1743, SBUG-M1744, SBUG-M1750, and SBUG-M1770 indicating the monoterminal degradation pathway through β-oxidation, while the additional detection of dicarboxylic acid in SBUG-M1768 and SBUG-M1769 cultures was indicative of the fungus’ ability to undertake both monoterminal and diterminal degradation pathways. F. oxysporum SBUG-M1746 and SBUG-M1748 in the presence of cyclohexanone showed a doubling of the biomass with the ability to degrade the substrate almost completely in shake cultures. F. oxysporum SBUG-M1746 was also able to degrade cyclohexane completely and excreted all possible metabolites of the degradation pathway. Understanding the degradation potential of these fungal isolates to different hydrocarbon substrates will help in developing effective bioremediation strategies tailored to local conditions.

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