1.New Records of Four Species Belonging to Eurotiales from Soil and Freshwater in Korea
Monmi PANGGING ; Thuong TT NGUYEN ; Hyang Burm LEE
Mycobiology 2019;47(2):154-164
Four strains of Penicillium and Talaromyces species are described and illustrated in an inventory of fungal species belonging to Eurotiales. The strains, CNUFC-DDS17-1, CNUFC-DDS27-1, CNUFC-PTM72-1, and CNUFC-YJW3-31, were isolated from soil and freshwater samples from South Korea. Based on their morphological characteristics and sequence analyses by the combined β-tubulin and calmodulin gene, the CNUFC-DDS17-1, CNUFC-DDS27-1, CNUFC-PTM72-1, and CNUFC-YJW3-31 isolates were identified as Penicillium pasqualense, Penicillium sanguifluum, Talaromyces apiculatus, and Talaromyces liani, respectively. The designated strains were found to represent a previously undescribed species of Korean fungal biota. In this study, detailed morphological descriptions and phylogenetic relationships of these species are provided.
Biota
;
Calmodulin
;
Eurotiales
;
Fresh Water
;
Korea
;
Penicillium
;
Sequence Analysis
;
Soil
;
Talaromyces
2.Characterization of Paecilomyces variotii and Talaromyces amestolkiae in Korea Based on the Morphological Characteristics and Multigene Phylogenetic Analyses.
Thi Thuong Thuong NGUYEN ; Narayan Chandra PAUL ; Hyang Burm LEE
Mycobiology 2016;44(4):248-259
During fungal diversity surveys of the order Eurotiales in Korea, two fungal strains, EML-DG33-1 and EML-NCP50, were isolated from samples of rat dung and fig tree leaf collected at a garden located in Gwangju in 2014. To complete the National Species List of Korea, it is a prerequisite to verify whether many questionable species, which were previously recorded but not confirmed, indeed present in Korea. Herein, the isolates were confirmed as undescribed species, Paecilomyces variotii and Talaromyces amestolkiae based on the combination of morphological and phylogenetic analyses of multigenes including the rDNA internal transcribed spacer, β-tubulin, and RNA polymerase II subunit 2.
Agriculture
;
Animals
;
DNA, Ribosomal
;
Eurotiales
;
Gwangju
;
Korea*
;
Paecilomyces*
;
Rats
;
RNA Polymerase II
;
Talaromyces*
;
Trees
3.Diversity of Culturable Soil Micro-fungi along Altitudinal Gradients of Eastern Himalayas.
Lamabam Sophiya DEVI ; Polashree KHAUND ; Fenella M W NONGKHLAW ; S R JOSHI
Mycobiology 2012;40(3):151-158
Very few studies have addressed the phylogenetic diversity of fungi from Northeast India under the Eastern Himalayan range. In the present study, an attempt has been made to study the phylogenetic diversity of culturable soil fungi along the altitudinal gradients of eastern Himalayas. Soil samples from 24 m above sea level to 2,000 m above sea level altitudes of North-East India were collected to investigate soil micro-fungal community structure and diversity. Molecular characterization of the isolates was done by PCR amplification of 18S rDNA using universal primers. Phylogenetic analysis using BLAST revealed variation in the distribution and richness of different fungal biodiversity over a wide range of altitudes. A total of 107 isolates were characterized belonging to the phyla Ascomycota and Zygomycota, corresponding to seven orders (Eurotiales, Hypocreales, Calosphaeriales, Capnodiales, Pleosporales, Mucorales, and Mortierellales) and Incertae sedis. The characterized isolates were analysed for richness, evenness and diversity indices. Fungal diversity had significant correlation with soil physico-chemical parameters and the altitude. Eurotiales and Hypocreales were most diverse and abundant group of fungi along the entire altitudinal stretch. Species of Penicillium (D = 1.44) and Aspergillus (D = 1.288) were found to have highest diversity index followed by Talaromyces (D = 1.26) and Fusarium (D = 1.26). Fungal distribution showed negative correlation with altitude and soil moisture content. Soil temperature, pH, humidity and ambient temperature showed positive correlation with fungal distribution.
Altitude
;
Ascomycota
;
Aspergillus
;
Biodiversity
;
Collodion
;
DNA, Ribosomal
;
Eurotiales
;
Fungi
;
Fusarium
;
Humidity
;
Hydrogen-Ion Concentration
;
Hypocreales
;
India
;
Mucorales
;
Penicillium
;
Polymerase Chain Reaction
;
Soil
;
Talaromyces
4.Diversity of Marine-Derived Aspergillus from Tidal Mudflats and Sea Sand in Korea.
Seobihn LEE ; Myung Soo PARK ; Young Woon LIM
Mycobiology 2016;44(4):237-247
Aspergillus (Trichocomaceae, Eurotiales, and Ascomycota) is a genus of well-defined asexual spore-forming fungi that produce valuable compounds such as secondary metabolites and enzymes; however, some species are also responsible for diseases in plants and animals, including humans. To date, 26 Aspergillus species have been reported in Korea, with most species located in terrestrial environments. In our study, Aspergillus species were isolated from mudflats and sea sand along the western and southern coasts of Korea. A total of 84 strains were isolated and identified as 17 Aspergillus species in 11 sections on the basis of both morphological characteristics and sequence analysis of the calmodulin gene (CaM) locus. Commonly isolated species were A. fumigatus (26 strains), A. sydowii (14 strains), and A. terreus (10 strains). The diversity of Aspergillus species isolated from mudflats (13 species) was higher than the diversity of those from sea sand (five species). Four identified species—A. caesiellus, A. montenegroi, A. rhizopodus, and A. tabacinus—are in the first records in Korea. Here, we provide detailed descriptions of the morphological characteristics of these four species.
Animals
;
Aspergillus*
;
Calmodulin
;
Eurotiales
;
Fungi
;
Humans
;
Korea*
;
Phylogeny
;
Sequence Analysis
5.Bioprospecting Endophytic Fungi and Their Metabolites from Medicinal Tree Aegle marmelos in Western Ghats, India.
Vellingiri Manon MANI ; Arockiamjeyasundar Parimala Gnana SOUNDARI ; Damodharan KARTHIYAINI ; Kathirvel PREETH
Mycobiology 2015;43(3):303-310
The increasing emergence of lead drugs for the resistance produced by the pathogenic strains and arrival of new diseases have initiated the need for searching novel metabolites with best anticancer and antimicrobial properties than the existing one. With this view, the investigation was conducted for the isolation, identification, and biological evaluation of potential endophytic fungi of Aegle marmelos, a medicinal tree used for more than three decades, for curing various disorders. A total of 169 endophytic fungal strains obtained from sampling and among those 67 were pigmented strains. Upon antagonistic screening, five endophytic fungal strains exhibited antagonistic potentiality by inhibiting the pathogens. These five potent strains were characterized at molecular level by sequencing the amplified internal transcribed spacer (ITS) 1 and ITS 4 regions of rDNA and they were grouped under order Pleosporales, Eurotiales, and Capnodiales. The metabolites from the respective strains were produced in fungal culturing media and extracted using polar solvents. Further, the extracts of five endophytes manifested antimicrobial activity against tested clinical pathogens and Alternaria alternata (FC39BY), Al. citrimacularis (FC8ABr), and Curvularia australiensis (FC2AP) exhibited significant antimicrobial profile against 9 of 12 tested pathogens, showing broad spectrum activity. The antioxidant levels of all the five endophytes revealed the highest activity at least concentrations, and major activity was unveiled by the members of order Pleosporales FC2AP and FC8ABr. This research explains the value of endophytic fungal extracts and its significance of antimicrobial and antioxidant properties.
Aegle*
;
Alternaria
;
Antioxidants
;
DNA, Ribosomal
;
Endophytes
;
Eurotiales
;
Fungi*
;
India*
;
Mass Screening
;
Solvents
;
Trees*
6.Distribution of Alcohol-tolerant Microfungi in Paddy Field Soils.
Mycobiology 2003;31(4):191-195
Ethanol treatment method was attempted for the selective isolation of ethanol-tolerant fungi from two sites of rice paddy fields around Seoul area. The vertical and seasonal fluctuation of the fungal population were also investigated. The ethanoltolerant fungi were Talaromyces stipitatus, T. flavus var. flavus, T. helicus var. major, Eupenicillium javanicum, Emericellopsis terricolor, Pseudourotium zonatum, Aspergillus flavus, Cladosporium cladosporioides, Penicillium frequentans, P. janthinellum, and P. verruculosum. The most dominant species isolated by this method was T. stipitatus. It was found that the numbers of fungal species and colony forming units (CFUs) of ethanol-tolerant fungi were higher in Ascomycota than in Deuteromycota. A particular tendency appeared the highest CFUs in autumn, but lower in spring and winter. T. stipitatus was the dominant species of ethanol tolerant microfungi. This result would suggest that membrane lipid composition of ethanoltolerant fungi isolated from the soils may play on important role in the ethanol tolerance.
Ascomycota
;
Aspergillus flavus
;
Cladosporium
;
Ethanol
;
Eupenicillium
;
Fungi
;
Membranes
;
Mitosporic Fungi
;
Penicillium
;
Seasons
;
Seoul
;
Soil*
;
Stem Cells
;
Talaromyces
7.Isolation and Identification of Geosmithia argillacea from a Fungal Ball in the Lung of a Tuberculosis Patient.
Ji Yeon SOHN ; Mi Ae JANG ; Jang Ho LEE ; Kyung Sun PARK ; Chang Seok KI ; Nam Yong LEE
Annals of Laboratory Medicine 2013;33(2):136-140
Geosmithia argillacea, an anamorph of Talaromyces eburneus, is a thermophilic filamentous fungus that has a phenotype similar to that of the Penicillium species, except for the creamy-white colonies and cylindrical conidia. Recently, a new genus called Rasamsonia has been proposed, which is to accommodate the Talaromyces and Geosmithia species. Here, we report the first Korean case of G. argillacea isolated from a patient with a fungal ball. The patient was a 44-yr-old Korean man with a history of pulmonary tuberculosis and aspergilloma. The newly developed fungal ball in his lung was removed and cultured to identify the fungus. The fungal colonies were white and slow-growing, and the filaments resembled those of Penicillium. Molecular identification was carried out by sequencing the internal transcribed spacer (ITS) region of the 28S rDNA and the beta-tubulin genes. A comparative sequence analysis using the GenBank (http://blast.ncbi.nlm.nih.gov/) database was performed with the basic local alignment search tool (BLAST) algorithm. The results revealed a 97-100% similarity with the G. argillacea ITS sequence. This case should increase awareness among physicians about the pathogenic potential of G. argillacea in humans and help them accurately identify this fungus, because it can be easily confused with Penicillium and Paecilomyces species owing to their similar phenotypic and microscopic characteristics. A molecular approach should be employed to enable accurate identification of G. argillacea.
Adult
;
Databases, Genetic
;
Eurotiales/classification/*isolation & purification
;
Humans
;
Lung/microbiology/radiography
;
Male
;
Phylogeny
;
RNA, Ribosomal, 28S/chemistry/genetics
;
Sequence Analysis, DNA
;
Tomography, X-Ray Computed
;
Tuberculosis/*diagnosis/microbiology/radiography
;
Tubulin/chemistry/genetics
8.Penicillium Species Other Than Talaromyces marneffei Producing Red Pigment from Clinical Specimens: Isolation of Talaromyces albobiverticillius.
Mi Ra RYU ; In Young YOO ; Dong Joon SONG ; Hee Jae HUH ; Chang Seok KI ; Nam Yong LEE
Laboratory Medicine Online 2017;7(4):211-214
No abstract available.
Penicillium*
;
Talaromyces*
9.Occurrence and identification of Penicillium and Talaromyces species from beach sand
Teh Li Yee ; Nurul Farizah Azuddin ; Masratul Hawa Mohd ; Latiffah Zakaria
Malaysian Journal of Microbiology 2022;18(6):652-664
Aims:
Penicillium and Talaromyces were among the species of microfungi that inhabit beach sand in Batu Ferringhi Beach, Penang Island, Malaysia. Previously, Talaromyces was described as the sexual stage of Penicillium, but both are now accepted as separate genera based on molecular phylogeny. The aim of the present study was to identify species of Penicillium and Talaromyces that are present in beach sand in Malaysia.
Methodology and results:
Species identities were confirmed according to similarities of the internal transcribed spacer regions and β-tubulin gene sequences and a phylogenetic analysis based on both regions/gene. Nine Penicillium spp. were identified as P. georgiense, P. chermesinum, P. pimiteouiense, P. citrinum, P. oxalicum, P. daleae, P. rolfsii and Penicillium sp. and the four Talaromyces spp. were T. siamense, T. atroroseus, T. minioluteus and T. fusiformis.
Conclusion, significance and impact of study
These findings showed that beach sand harboured a variety of Penicillium and Talaromyces species. The occurrence of Penicillium and Talaromyces in beach sands is associated with the organic matter in the sand, which provides suitable substrates and nutrient sources. Due to this, beach sand might harbour many potentially pathogenic or opportunistic species that may pose a health concern to immunocompromised individuals.
Penicillium
;
Talaromyces
;
Sand
10.Transportation of citrinin is regulated by the CtnC gene in the medicinal fungus Monascus purpureus.
Yanling GUI ; Guangfu TANG ; Haiqiao MAN ; Jiao WANG ; Jie HAN ; Jiehong ZHAO
Journal of Zhejiang University. Science. B 2023;24(6):543-548
Monascus is one of the most essential microbial resources in China, with thousands of years of history. Modern science has proved that Monascus can produce pigment, ergosterol, monacolin K, γ-aminobutyric acid, and other functionally active substances. Currently, Monascus is used to produce a variety of foods, health products, and pharmaceuticals, and its pigments are widely used as food additives. However, Monascus also makes a harmful polyketide component called citrinin in the fermentation process; citrinin has toxic effects on the kidneys such as teratogenicity, carcinogenicity, and mutagenicity (Gong et al., 2019). The presence of citrinin renders Monascus and its products potentially hazardous, which has led many countries to set limits and standards on citrinin content. For example, the citrinin limit is less than 0.04 mg/kg according to the Chinese document National Standard for Food Safety Food Additive Monascus (GB 1886.181-2016) (National Health and Family Planning Commission of the People's Republic of China, 2016), and the maximum level in food supplements based on rice fermented with Monascus purpureus is 100 µg/kg in the European Union (Commission of the European Union, 2019).
Citrinin
;
Dietary Supplements
;
Fungi
;
Monascus