Diversity of fungi in creosote-treated crosstie wastes and their resistance to polycyclic aromatic hydrocarbons

Kim, Min Ji; Lee, Hwanhwi; Choi, Yong Seok; Kim, Gyu Hyeok; Huh, Na Yoon; Lee, Sang-Joon; Lim, Young Woon; Lee, Sung Suk; Kim, Jae Jin

doi:10.1007/s10482-010-9416-6

Cited by 33 publications

(22 citation statements)

References 46 publications

(46 reference statements)

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“…Exophiala dermatitidis , although most known as a human pathogen acquired in bathhouses in Southeast Asia, is most readily cultured from creosote-treated railroad ties (Sudhadham et al 2008). The preservative effect of creosote on exposed wood is due in part to antifungal phenolic compounds (Kim et al 2010). Baudoinia compniacensis is most commonly isolated from exterior surfaces near alcohol distilleries (Scott et al 2007).…”

Section: Discussionmentioning

confidence: 99%

Ecology Drives the Distribution of Specialized Tyrosine Metabolism Modules in Fungi

Greene

McGary

Rokas

et al. 2014

Genome Biology and Evolution

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Gene clusters encoding accessory or environmentally specialized metabolic pathways likely play a significant role in the evolution of fungal genomes. Two such gene clusters encoding enzymes associated with the tyrosine metabolism pathway (KEGG #00350) have been identified in the filamentous fungus Aspergillus fumigatus. The l-tyrosine degradation (TD) gene cluster encodes a functional module that facilitates breakdown of the phenolic amino acid, l-tyrosine through a homogentisate intermediate, but is also involved in the production of pyomelanin, a fungal pathogenicity factor. The gentisate catabolism (GC) gene cluster encodes a functional module likely involved in phenolic compound degradation, which may enable metabolism of biphenolic stilbenes in multiple lineages. Our investigation of the evolution of the TD and GC gene clusters in 214 fungal genomes revealed spotty distributions partially shaped by gene cluster loss and horizontal gene transfer (HGT). Specifically, a TD gene cluster shows evidence of HGT between the extremophilic, melanized fungi Exophiala dermatitidis and Baudoinia compniacensis, and a GC gene cluster shows evidence of HGT between Sordariomycete and Dothideomycete grass pathogens. These results suggest that the distribution of specialized tyrosine metabolism modules is influenced by both the ecology and phylogeny of fungal species.

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Section: Discussionmentioning

confidence: 99%

Ecology Drives the Distribution of Specialized Tyrosine Metabolism Modules in Fungi

Greene

McGary

Rokas

et al. 2014

Genome Biology and Evolution

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“…interact with roots of crop plants to enhance the plant growth (Hyakumachi1994; Shivanna et al 1994;Khan et al 2008). Penicillium is potent plant growth-promoting fungus, and secrete the plant hormones, indole-3-acetic acid (IAA) and GA, and involve in phosphate solubilization, which may be a reason to increase the plant growth (Khan et al 2008;Kim et al 2011;Radhakrishnan et al 2013). Some species of Penicillium are well known for their antagonistic activity against pathogen by producing antibiotics and induce resistance in plants by activating multiple defense signals (Hossain et al 2007).…”

Section: Molecular Identification Isolate Identitymentioning

confidence: 99%

Morphological and molecular identification of cellulolytic fungi associated with local raru species

et al. 2019

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Abstract. Elfiati D, Susilowati A, Modes C, Rachmat HH. 2019. Morphological and molecular identification of cellulolytic fungi associated with local raru species. Biodiversitas 20: 2348-2354. This study is aimed to isolate and identify cellulolytic fungi from different local Raru species in Central Tapanuli, North Sumatra, Indonesia. Cellulolytic fungi are fungi that can degrade natural polymer materials such as cellulose. The fungal species were isolated from soil under three local raru species. The samples inoculating (1 mL) from serial dilutions (10-2 to 10-5) on Carboxy Methyl Cellulose (CMC) plates. The plates were incubated at 28 ̊C for one week, then the fungal colonies were observed and pure cultures were maintained. Fungi with cellulolytic activity were characterized by the formation of clear zones around the colonies on CMC media plus congo red (0.1%). The identification of fungi was carried out by molecular identification of the isolated fungi at the species level. The extracted fungal DNA was amplified by PCR using specific internal transcribed spacer primer (ITS1/ITS4). The PCR products were sequenced and compared with the other related sequences in Gen Bank (NCBI). 20 isolates were successfully isolated and nine isolates had cellulolytic activity. Six fungal species from 20 isolates were identified as: Aspergillus sp., Penicillium sp., Aspergillus terreus, Penicillium mariae-crucis, Aspergillus tanneri and Penicillium citrinum. The results showed that Aspergillus terreus was the most abundant fungus obtained from all the raru stand.

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“…Therefore, not so many species of fungi are used for bioremediation. It is necessary to identify the local species of fungi capable of degrading creosote and apply these fungi for bioremediation (Kim et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Phytoremediation Investigating Herbaceous Plants and Their Rhizosphere Microorganisms in the Mixture of Wood Sawdust of Used Sleepers and Soil Fertilised with Nitrogen

Maruška¹,

Ragažinskienė²,

Levišauskas³

et al. 2017

EREM

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The studies were carried out in the period of 2013-2014 in an ex situ experiment developed during plant vegetation, cultivating 5 plant species in vegetative pots with a substrate contaminated with used sleepers and an uncontaminated substrate fertilised by nitrogenous fertilisers. The objective of the research was to analyse the morphological features of aboveground and underground parts of herbaceous plants and determine the dependence between the number of fungi and bacteria colonies in the rhizosphere of these plants and substrate contaminants and the impact of nitrogenous fertiliser concentration; with reference to that, to determine the feasibility of these plants for phytoremediation. A tolerant plant, i.e., Tagetes patula L. as a phytoremediator, which adapted to grow in the condition of a contaminated substrate fertilised by nitrogen and suitable for cultivating it in similar edaphic conditions, was used. An intolerant plant, i.e., Trifolium repens L. as a phytoindicator, is a perennial, herbaceous plant of Fabaceae Lindl. family, the rhizosphere of which contains the maximum number of fungi and bacteria colonies in the occurrence of the maximum concentration of nitrogenous fertilisers and contaminants. These bacteriological and mycological processes, as well as the excess of nitrogen, have a negative impact on the growth of aboveground and underground parts of Trifolium repens.

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Diversity of fungi in creosote-treated crosstie wastes and their resistance to polycyclic aromatic hydrocarbons

Cited by 33 publications

References 46 publications

Ecology Drives the Distribution of Specialized Tyrosine Metabolism Modules in Fungi

Ecology Drives the Distribution of Specialized Tyrosine Metabolism Modules in Fungi

Morphological and molecular identification of cellulolytic fungi associated with local raru species

Phytoremediation Investigating Herbaceous Plants and Their Rhizosphere Microorganisms in the Mixture of Wood Sawdust of Used Sleepers and Soil Fertilised with Nitrogen

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