Novel and interesting Ophiocordyceps spp. (Ophiocordycipitaceae, Hypocreales) with superficial perithecia from Thailand

Luangsa‐ard, J. Jennifer; Tasanathai, Kanoksri; Thanakitpipattana, Donnaya; Khonsanit, Artit; Stadler, Marc

doi:10.1016/j.simyco.2018.02.001

Cited by 46 publications

(40 citation statements)

References 47 publications

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“…Ophiocordycepsmacroacicularis S. Ban et al was introduced by Ban et al (2015) and was recently recorded from Thailand by Luangsa-ard et al (2018) based on molecular phylogeny together with morphology (Figs 2, 4). To the best of our knowledge, this is the first record of O.macroacicularis in Taiwan.…”

Section: Discussionmentioning

confidence: 99%

Tzeananiaceae, a new pleosporalean family associated with Ophiocordyceps macroacicularis fruiting bodies in Taiwan

Ariyawansa¹,

Phillips²,

Chuang³

et al. 2018

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The order Pleosporales comprises a miscellaneous group of fungi and is considered to be the largest order of the class Dothideomycetes. The circumscription of Pleosporales has undergone numerous changes in recent years due to the addition of large numbers of families reported from various habitats and with a large amount of morphological variation. Many asexual genera have been reported in Pleosporales and can be either hyphomycetes or coelomycetes. Phoma-like taxa are common and have been shown to be polyphyletic within the order and allied with several sexual genera. During the exploration of biodiversity of pleosporalean fungi in Taiwan, a fungal strain was isolated from mycelium growing on the fruiting body of an Ophiocordyceps species. Fruiting structures that developed on PDA were morphologically similar to Phoma and its relatives in having pycnidial conidiomata with hyaline conidia. The fungus is characterised by holoblastic, cylindrical, aseptate conidiogenous cells and cylindrical, hyaline, aseptate, guttulated, thin-walled conidia. Phylogenetic analysis based on six genes, ITS, LSU, rpb2, SSU, tef1 and tub2, produced a phylogenetic tree with the newly generated sequences grouping in a distinct clade separate from all of the known families. Therefore, a new pleosporalean family Tzeananiaceae is established to accommodate the monotypic genus Tzeanania and the species T.taiwanensis in Pleosporales, Dothideomycetes. The Ophiocordyceps species was identified as O.macroacicularis and this is a new record in Taiwan.

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Section: Discussionmentioning

confidence: 99%

Tzeananiaceae, a new pleosporalean family associated with Ophiocordyceps macroacicularis fruiting bodies in Taiwan

Ariyawansa¹,

Phillips²,

Chuang³

et al. 2018

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“…Collected specimens were stored in plastic boxes, returned to the laboratory, and examined under a stereo microscope (Olympus SZ61). Isolation from the teleomorphs followed the method described by Luangsa-ard et al (2018).…”

Section: Fungal Materials and Isolationmentioning

confidence: 99%

“…Cryptic species refers to taxa that are morphologically similar, yet evidence has shown that they are on different evolutionary paths as revealed by molecular phylogenetic methods and can only be recognized by their DNA sequences. Entomopathogenic fungi from Thailand are commonly encountered in the forests and constitute a huge number in our collections (Kobmoo et al 2012;Luangsa-ard et al 2018;Mongkolsamrit et al 2018;Tasanathai et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Diversity of Akanthomyces on moths (Lepidoptera) in Thailand

Aini¹,

Mongkolsamrit²,

Wijanarka³

et al. 2020

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Akanthomyces is a genus of invertebrate-pathogenic fungi from the family Cordycipitaceae (Ascomycota, Hypocreales). Its species occurs on two different types of hosts, spiders and insects, and in the latter case specifically Lepidoptera adults. Three new species of Akanthomyces, A. noctuidarum, A. pyralidarum, and A. tortricidarum occurring on adult moths from Thailand are proposed based on the differences of their morphological characteristics and molecular data. Phylogenetic analyses using a combined dataset, including the internal transcribed spacer regions, the large subunit of the ribosomal DNA, translation elongation factor 1-α, the largest subunit of RNA polymerase II, and the second largest subunit of RNA polymerase II, support the delimitation of these new species in Akanthomyces.

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“…The water agar medium was also used to visualize the mycelial growth of the isolated fungus ( Figure 2E). The morphotaxonomic characteristics of conidia-forming mycelia and conidia structure were identified [22,23].…”

Section: Isolation and Identification Of Fungal Isolatementioning

confidence: 99%

Identification and application of a fungal biocontrol agent Cladosporium cladosporioides against Bemisia tabaci

Islam

Gupta

Surovy

et al. 2019

Biotechnology & Biotechnological Equipment

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The entomopathogenic fungus Cladosporium cladosporioides is a potential candidate for biocontrol of insect pests. We isolated a strain of C. cladosporioides BOU1 from an infected brown plant hoper (BPH) of rice and characterized it using morpho-physiological and molecular analyses. Internal transcribed spacer regions and intervening 5.8S rRNA gene (ITS) sequencing and morphopathogenic analyses confirmed that BOU1 is a strain of C. cladosporioides. To select the suitable medium for this fungus, a single condium of BOU1 was grown in potato dextrose agar (PDA), potato dextrose agar with yeast (PDAY), Sabouraud dextrose agar (SDA) and synthetic nutrientpoor agar (SNA) media. The suitable medium for this fungal isolate was determined by fungal growth (colony area and conidiogenesis), and enzymatic activities (protease and lipase). The fungal growth parameters including enzymatic activities showed that the PDA medium is most suitable culture medium for C. cladosporioides. Finally, the pathogenicity of this fungal isolate was evaluated against whitefly, Bemisia tabaci through direct contact toxicity assay on eggplant leaves by dipping under laboratory conditions. The BOU1 strain caused mortality in B. tabaci in a dosedependent manner, the highest mortality being 71% at 1 Â 10 8 conidia/mL. To the best of our knowledge, this is the first report of isolation and molecular characterization of an entomopathogenic fungus C. cladosporioides from a BPH of rice. This study suggests that BOU1 is a potential candidate for biological control of whitefly for the promotion of sustainable agriculture.

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Novel and interesting Ophiocordyceps spp. (Ophiocordycipitaceae, Hypocreales) with superficial perithecia from Thailand

Cited by 46 publications

References 47 publications

Tzeananiaceae, a new pleosporalean family associated with Ophiocordyceps macroacicularis fruiting bodies in Taiwan

Tzeananiaceae, a new pleosporalean family associated with Ophiocordyceps macroacicularis fruiting bodies in Taiwan

Diversity of Akanthomyces on moths (Lepidoptera) in Thailand

Identification and application of a fungal biocontrol agent Cladosporium cladosporioides against Bemisia tabaci

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