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1
Long, Sihan, Lili Liu, Yinhui Pi, et al. "New contributions to Diatrypaceae from karst areas in China." MycoKeys 83 (August 20, 2021): 1–37. http://dx.doi.org/10.3897/mycokeys.83.68926.
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In this study, fungal specimens of the family Diatrypaceae were collected from karst areas in Guizhou, Hainan and Yunnan Provinces, China. Morpho-molecular analyses confirmed that these new collections comprise a new genus Pseudodiatrype, three new species (Diatrype lancangensis, Diatrypella pseudooregonensis and Eutypa cerasi), a new combination (Diatrypella oregonensis), two new records (Allodiatrype thailandica and Diatrypella vulgaris) from China and two other known species (Neoeutypella baoshanensis and Paraeutypella citricola). The new taxa are introduced, based on multi-gene phylogenetic analyses (ITS, β-tubulin), as well as morphological analyses. The new genus Pseudodiatrype is characterised by its wart-like stromata with 5–20 ascomata immersed in one stroma and the endostroma composed of thin black outer and inner layers of large white cells with thin, powdery, yellowish cells. These characteristics separate this genus from two similar genera Allodiatrype and Diatrype. Based on morphological as well as phylogenetic analyses, Diatrype lancangensis is introduced as a new species of Diatrype. The stromata of Diatrype lancangensis are similar to those of D. subundulata and D. undulate, but the ascospores are larger. Based on phylogenetic analyses, Diatrype oregonensis is transferred to the genus Diatrypella as Diatrypella oregonensis while Diatrypella pseudooregonensis is introduced as a new species of Diatrypella with 8 spores in an ascus. In addition, multi-gene phylogenetic analyses show that Eutypa cerasi is closely related to E. lata, but the ascomata and asci of Eutypa cerasi are smaller. The polyphyletic nature of some genera of Diatrypaceae has led to confusion in the classification of the family, thus we discuss whether the number of ascospores per asci can still be used as a basis for classification.
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Long, Sihan, Lili Liu, Yinhui Pi, et al. "New contributions to Diatrypaceae from karst areas in China." MycoKeys 83 (August 20, 2021): 1–37. https://doi.org/10.3897/mycokeys.83.68926.
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In this study, fungal specimens of the family Diatrypaceae were collected from karst areas in Guizhou, Hainan and Yunnan Provinces, China. Morpho-molecular analyses confirmed that these new collections comprise a new genus Pseudodiatrype, three new species (Diatrype lancangensis, Diatrypella pseudooregonensis and Eutypa cerasi), a new combination (Diatrypella oregonensis), two new records (Allodiatrype thailandica and Diatrypella vulgaris) from China and two other known species (Neoeutypella baoshanensis and Paraeutypella citricola). The new taxa are introduced, based on multi-gene phylogenetic analyses (ITS, β-tubulin), as well as morphological analyses. The new genus Pseudodiatrype is characterised by its wart-like stromata with 5–20 ascomata immersed in one stroma and the endostroma composed of thin black outer and inner layers of large white cells with thin, powdery, yellowish cells. These characteristics separate this genus from two similar genera Allodiatrype and Diatrype. Based on morphological as well as phylogenetic analyses, Diatrype lancangensis is introduced as a new species of Diatrype. The stromata of Diatrype lancangensis are similar to those of D. subundulata and D. undulate, but the ascospores are larger. Based on phylogenetic analyses, Diatrype oregonensis is transferred to the genus Diatrypella as Diatrypella oregonensis while Diatrypella pseudooregonensis is introduced as a new species of Diatrypella with 8 spores in an ascus. In addition, multi-gene phylogenetic analyses show that Eutypa cerasi is closely related to E. lata, but the ascomata and asci of Eutypa cerasi are smaller. The polyphyletic nature of some genera of Diatrypaceae has led to confusion in the classification of the family, thus we discuss whether the number of ascospores per asci can still be used as a basis for classification.
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Dissanayake, Lakmali, Nalin Wijayawardene, Monika Dayarathne, et al. "Paraeutypella guizhouensis gen. et sp. nov. and Diatrypella longiasca sp. nov. (Diatrypaceae) from China." Biodiversity Data Journal 9 (March 26, 2021): e63864. https://doi.org/10.3897/BDJ.9.e63864.
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In this study, we introduce a novel genus<em> Paraeutypella </em>of the family Diatrypaceae, comprising three species <em>viz</em>. <em>Paraeutypella guizhouensis </em>sp. nov. and <em>P</em>.<em> citricola</em> (basionym: <em>Eutypella citricola</em>) and <em>P. vitis</em> (basionym: <em>Sphaeria vitis</em>).<em> Diatrypella longiasca</em> sp. nov. is also introduced, which forms a distinct clade in <em>Diatrypella </em>sensu stricto. The discovery of this new genus will contribute to expand the knowledge and taxonomic framework of Diatrypaceae (Xylariales).Generic delimitations in Diatrypaceae, Xylariales, are unsettled because the phylogeny has yet to be resolved using extensive taxon sampling and sequencing of ex-type cultures. During an investigation of xylarialean fungi, we collected eutypella-like taxon which is distinct from <em>Eutypella</em> s. str. in our phylogenetic analyses (ITS and β-tubulin) thus, introduced as <em>Paraeutypella</em> <em>guizhouensis </em>gen. et sp. nov.. <em>Paraeutypella</em> is characterized by having 4–25 perithecia in a stroma each with 3–6 sulcate, long ostiolar necks. <em>Paraeutypella citricola</em> comb. nov. (basionym: <em>Eutypella citricola</em>) is introduced on <em>Acer</em> sp. from China. <em>Diatrypella longiasca</em> sp. nov. is introduced as a new species in <em>Diatrypella s. str.</em> which has 2–5 ascomata per stromata and long ascospores, unusual when compared to other <em>Diatrypella</em> species and distinct phylogenetically.
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MEHRABI, MEHDI, ROGHAYEH HEMMATI, LARISSA N. VASILYEVA, and FLORENT P. TROUILLAS. "Diatrypella macrospora sp. nov. and new records of diatrypaceous fungi from Iran." Phytotaxa 252, no. 1 (2016): 43. http://dx.doi.org/10.11646/phytotaxa.252.1.4.
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Descriptions and illustrations are provided for six diatrypaceous species from Iran. Diatrypella macrospora is introduced as new to science. It differs from all other Diatrypella species by its larger ascospores. New records for the Iranian mycota include Cryptovalsa rabenhorstii, Eutypella citricola, Peroneutypa scoparia and Quaternaria quaternata. Descriptions and illustrations of microscopic characters, ITS sequence data and taxonomic notes are provided for these newly reported taxa.
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Shishlyannikova, A. B., I. V. Zmitrovich, and G. I. Zarudnaya. "Micromycetes Rossicae: Chorological and Taxonomical Notes. 6. <i>Diatrypella Quercina</i> (<i>Xylariales</i>, <i>Ascomycota</i>) in Russia." Микология и фитопатология 57, no. 5 (2023): 378–82. http://dx.doi.org/10.31857/s0026364823050082.
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The present notice continues the series on rare and interesting species of microfungi and is devoted to the stromatic ascomycete Diatrypella quercina (Xylariales, Ascomycota), the saprotroph associated with crown self-thinning in Quercus robur. An extended morphological description of the species is given, and its differences from closely related species, Diatrypella favacea and D. pulvinata, are analyzed. The data on the global and regional distribution of this rather scarce species are analyzed. The list of studied exsicates and herbarium documentation is provided. The conclusion concerning the optimum range of D. quercina is given.
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Chlebicki, Andrzej. "Variability in Diatrypella favacea in Poland." Transactions of the British Mycological Society 86, no. 3 (1986): 441–49. http://dx.doi.org/10.1016/s0007-1536(86)80187-5.
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Araújo Lima dos Santos, Maiara, Nadja Santos Vitória, Rafael José Vilela de Oliveira, and José Luiz Bezerra. "Diatrypella heveae Senwanna, Phookamsak & K.D. Hyde (Diatrypaceae, Xylariales): a new record for the Neotropics." Check List 16, no. 6 (2020): 1703–8. http://dx.doi.org/10.15560/16.6.1703.
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During an expedition to the Raso da Catarina Ecological Station, state of Bahia, Brazil, we collected litter samples from Syagrus coronata (Mart.) Becc. containing fungal stroma. The material was morphologically identified as belonging to Diatrypella heveae Senwanna, Phookamsak &amp; K.D. Hyde (Diatrypaceae, Xylariales); its known geographic distribution was then limited to Thailand. Diatrypella heveae was originally described on Hevea brasiliensis L. and Brahea armata S. Watson in the Chiang Rai Province, Wiang Chiang Rung District, Thailand. We report here the first occurrence of D. heveae in the Neotropics, as well as a new host, S. coronata, a palm tree endemic to the Brazilian semiarid region.
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Araújo, Lima dos Santos Maiara, Vitória Nadja Santos, Oliveira Rafael José Vilela de, and Bezerra José Luiz. "Diatrypella heveae Senwanna, Phookamsak & K.D. Hyde (Diatrypaceae, Xylariales): a new record for the Neotropics." Check List 16, no. (6) (2020): 1703–8. https://doi.org/10.15560/16.6.1703.
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During an expedition to the Raso da Catarina Ecological Station, state of Bahia, Brazil, we collected litter samples from <em>Syagrus coronata</em> (Mart.) Becc. containing fungal stroma. The material was morphologically identified as belonging to <em>Diatrypella heveae</em> Senwanna, Phookamsak & K.D. Hyde (Diatrypaceae, Xylariales); its known geographic distribution was then limited to Thailand. <em>Diatrypella heveae</em> was originally described on <em>Hevea brasiliensis</em> L. and <em>Brahea armata</em> S. Watson in the Chiang Rai Province, Wiang Chiang Rung District, Thailand. We report here the first occurrence of <em>D. heveae</em> in the Neotropics, as well as a new host, <em>S. coronata</em>, a palm tree endemic to the Brazilian semiarid region.
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Mehrabi, Mehdi, Roghayeh Hemmati, Larissa N. Vasilyeva, and Florent P. Trouillas. "Diatrypella macrospora sp. nov. and new records of diatrypaceous fungi from Iran." Phytotaxa 252, no. 1 (2016): 43–55. https://doi.org/10.11646/phytotaxa.252.1.4.
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Mehrabi, Mehdi, Hemmati, Roghayeh, Vasilyeva, Larissa N., Trouillas, Florent P. (2016): Diatrypella macrospora sp. nov. and new records of diatrypaceous fungi from Iran. Phytotaxa 252 (1): 43-55, DOI: 10.11646/phytotaxa.252.1.4, URL: http://dx.doi.org/10.11646/phytotaxa.252.1.4
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Shishlyannikova, A. B., I. V. Zmitrovich, G. I. Zarudnaya, V. V. Perelygin, and M. V. Zharikov. "Results of the Mycological Investigation of the Shoot System of “Irinovsky Oak” Tree (Leningrad Region, Russia)." Микология и фитопатология 57, no. 6 (2023): 456–61. http://dx.doi.org/10.31857/s0026364823060120.
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The wild nature monument “184-year-old oak tree in the village of Irinovka” (Leningrad region, Russia), better known in local history literature as “Irinovsky Oak”, was officially opened in 2013. It is represented by a separate pedunculate oak tree (Quercus robur), planted in 1829 and preserved in satisfactory condition at 194 years of age. This paper presents data from a survey of the shoot system of the tree investigated, carried out on August 4, 2022. A total of 12 fungal species were registered (Cladosporium herbarum, Colpoma quercinum, Coryneum depressum, Diatrypella quercina, Erysiphe alphitoides, Hyphoderma setigerum, Laetiporus sulphureus, Marchandiomyces co-rallinus, Peniophora quercina, Trichoderma viride, Sphaerulina quercicola, Vuilleminia comedens). The lichenicolous species Marchandiomyces corallinus was reported as new find to the Leningrad region. It was shown that the shoot system of the tree investigated is associated with a complex of Quercus robur-adapted and co-adapted species, among which such necrotrophs as Sphaerulina quercicola and Coryneum depressum, and pathogenic saprotroph as Vuilleminia comedens, as well as saprotrophs (Diatrypella quercina, Peniophora quercina) are dominated. This species complex ensures a continuous process of the crown self-thinning.
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Lawrence, Daniel P., Renaud Travadon, and Kendra Baumgartner. "Novel Seimatosporium Species from Grapevine in Northern California and Their Interactions with Fungal Pathogens Involved in the Trunk-Disease Complex." Plant Disease 102, no. 6 (2018): 1081–92. http://dx.doi.org/10.1094/pdis-08-17-1247-re.
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Seimatosporium spp. and closely related “pestalotioid fungi” have been isolated from vineyards worldwide, but their ecological status in grapevine wood is unclear. To determine their involvement in the grapevine trunk-disease complex, we tested the pathogenicity of Californian isolates obtained from vines with general symptoms of Botryosphaeria, Eutypa, and Phomopsis diebacks. Multilocus phylogenetic analyses revealed three species: Seimatosporium vitis and two newly described and typified species, S. luteosporum sp. nov. and S. vitifusiforme sp. nov. Inoculations to woody stems of potted grapevines of both isolates of S. vitis and one isolate of S. vitifusiforme, but not S. luteosporum, were associated with significantly larger lesions than those of noninoculated controls. Coinoculations with trunk pathogens (Cryptovalsa ampelina, Diaporthe ambigua, Diatrypella verruciformis, Diplodia seriata, and Eutypa lata), coisolated from the same wood cankers in the field, brought about increased lesion lengths for S. vitifusiforme paired with D. seriata, and S. luteosporum paired with Diaporthe ambigua. In contrast, there were no differences in lesion lengths of S. vitis and Diatrypella verruciformis or S. vitis and E. lata, inoculated alone or together. Our findings suggest that Seimatosporium spp. are involved in the grapevine trunk-disease complex, and their virulence may depend on or affect that of trunk pathogens.
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Li, You, James Skelton, Sawyer Adams, Yukako Hattori, Matthew E. Smith, and Jiri Hulcr. "The Ambrosia Beetle Sueus niisimai (Scolytinae: Hyorrhynchini) is Associated with the Canker Disease Fungus Diatrypella japonica (Xylariales)." Plant Disease 104, no. 12 (2020): 3143–50. http://dx.doi.org/10.1094/pdis-03-20-0482-re.
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Ambrosia beetles in the subtribe Hyorrhynchini are one example of an entire ambrosia beetle lineage whose fungi have never been studied. Here, we identify one dominant fungus associated with a widespread Asian hyorrhynchine beetle Sueus niisimai. This fungus was consistently isolated from beetle galleries from multiple collections. Phylogenetic analyses of combined ITS rDNA and β-tubulin sequences identified the primary fungal symbiont as Diatrypella japonica Higuchi, Nikaido & Hattori (Diatrypaceae, Xylariales, Sordariomycetes), which was recently described as a pathogen of sycamore (Platanus spp.) in Japan. To assess the invasion potential of this beetle-fungus interaction into the U.S., we have investigated the pathogenicity of two D. japonica strains on four species of healthy landscape trees native to the southeastern United States. Only Shumard oak (Quercus shumardii) responded with lesions significantly greater than the control inoculations, but there was no observable dieback or tree mortality. Although disease symptoms were not as prominent as in previous studies of the same fungus in Japan, routine reisolation from the inoculation point suggests that this species is capable of colonizing healthy sapwood of several tree species. Our study shows that the geographical area of its distribution is broader in Asia and potentially includes many hosts of its polyphagous vector. We conclude that the Sueus-Diatrypella symbiosis has high invasion potential but low damage potential, at least on young trees during the growing season.
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Carpouron, JE. "Diatrypella macrospora, a new host and geographical record from ForlìCesena, Italy." Studies in Fungi 6, no. 1 (2021): 273–87. http://dx.doi.org/10.5943/sif/6/1/18.
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Shang, Qiu-Ju, Kevin D. Hyde, Rungtiwa Phookamsak, et al. "Diatrypella tectonae and Peroneutypa mackenziei spp. nov. (Diatrypaceae) from northern Thailand." Mycological Progress 16, no. 4 (2017): 463–76. http://dx.doi.org/10.1007/s11557-017-1294-0.
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Chlebicki, Andrzej, and Alina Skirgiełło. "Some mycogenous fungi from Poland." Acta Mycologica 30, no. 1 (2014): 81–93. http://dx.doi.org/10.5586/am.1995.007.
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In the present paper the results of earlier studies on mycogenous fungi which were gathered occasionally are summarized. Fifieen specres. previously <i>Pyrenomycetes</i> s.l., have been found growing on other fungi <i>Immothia hypoxylon</i> and <i>Lophiostoma polyporicola</i> are new species to the Polish mycoflora. <i>Sphaeronaemella Kulczyńskiana</i> described by K. R o u p p e r t (1912) is considered to be <i>Eleuteromyces subultus</i>. Relatively high number of fungi inhabiting stromata of <i>Diatrypella favacea</i> is probably connected with its early colonization of the Polish area.
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Trouillas, F. P., and W. D. Gubler. "Pathogenicity of Diatrypaceae Species in Grapevines in California." Plant Disease 94, no. 7 (2010): 867–72. http://dx.doi.org/10.1094/pdis-94-7-0867.
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Diatrypaceous fungi have been isolated from cankered wood of grapevines (Vitis vinifera) in California. However, the pathogenicity of these fungi and their potential to cause diseases in grapevine was unknown. A series of pathogenicity tests were conducted to determine if these fungi were grapevine pathogens. In all experiments, species of the family Diatrypaceae were re-isolated from the margins of developing lesions, although frequency of re-isolation and average length of vascular discolorations varied among isolates. Cryptovalsa ampelina, Diatrype stigma, and Eutypa leptoplaca were capable of colonizing dormant canes and causing vascular necrosis. Cryptosphaeria pullmanensis, C. ampelina, D. stigma, Diatrype whitmanensis, and E. leptoplaca infected and caused lesions in green shoots of the new vegetative growth. Diatrype oregonensis and Diatrypella verrucaeformis isolates did not produce lesions that were significantly different from those produced in the control shoots and canes. This suggests that D. oregonensis and D. verrucaeformis fungi may be saprophytic rather than pathogenic to grapevine.
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Afshari, Naghmeh, Omid Karimi, Antonio R. Gomes de Farias, et al. "Additions to Diatrypaceae (Xylariales): Novel Taxa and New Host Associations." Journal of Fungi 9, no. 12 (2023): 1151. http://dx.doi.org/10.3390/jof9121151.
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Diatrypaceae members have a broad distribution and are commonly found on decaying wood. Despite taxonomic and morphological challenges within this group, there has been a growing interest in Diatrypaceae in recent years. The dead branches of several plant hosts with fungal fruiting bodies were collected from Doi Tung National Park, Chiang Rai, and the Narathiwat Provinces in Thailand. Their morphological characteristics, coupled with a molecular phylogeny of combined ITS and tub2 sequence data, were used to introduce two novel Allodiatrype species (A. dalbergiae and A. eleiodoxae) and one new Melanostictus species (M. chiangraiensis). Moreover, four new host records, Diatrypella heveae, D. major, Melanostictus thailandicus, and Paraeutypella citricola on Microcos paniculata, Nayariophyton zizyphifolium, Dalbergia cultrata, and M. paniculata, respectively, as well as a new geographical record of D. major are reported. This research provides detailed descriptions of macro- and microcharacteristics, coupled with a phylogenetic tree for the newly introduced species and host records. The morphological features of Allodiatrype and Melanostictus are listed in the synoptic table.
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Pitt, Wayne M., Florent P. Trouillas, Walter D. Gubler, Sandra Savocchia, and Mark R. Sosnowski. "Pathogenicity of Diatrypaceous Fungi on Grapevines in Australia." Plant Disease 97, no. 6 (2013): 749–56. http://dx.doi.org/10.1094/pdis-10-12-0954-re.
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In addition to Eutypa lata, which causes Eutypa dieback, numerous other fungi in the Diatrypaceae family have been isolated from diseased grapevines (Vitis vinifera) and other woody hosts. Pathogenicity trials comprising 70 strains of diatrypaceous fungi representing nine species in six genera were conducted to determine whether these fungi, collected in Australia, were pathogenic to grapevines. When inoculated into wounded trunks of ‘Cabernet Sauvignon’, eight species, including E. lata, E. leptoplaca, Cryptovalsa ampelina, C. rabenhorstii, Eutypella citricola, E. microtheca, Diatrypella vulgaris, and a Diatrype sp. produced necrotic lesions significantly longer than on controls. In addition, all nine species (including a Cryptosphaeria sp.) were reisolated from the margins of developing lesions and at varying distances above and below the point of inoculation. Diatrypaceous fungi were frequently isolated from asymptomatic or otherwise healthy tissue several centimeters ahead of the disease margin. Methods to control diseases associated with diatrypaceous fungi must take into account their propensity to colonize woody tissues ahead of or in the absence of visible symptoms. Current recommendations for the management of Eutypa dieback using remedial surgery and pruning wound protection appear sufficient for the control of the other diatrypaceous fungi included in this study.
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Vieira, Mariana L. A., Alice F. S. Hughes, Viviane B. Gil, et al. "Diversity and antimicrobial activities of the fungal endophyte community associated with the traditional Brazilian medicinal plant Solanum cernuum Vell. (Solanaceae)." Canadian Journal of Microbiology 58, no. 1 (2012): 54–66. http://dx.doi.org/10.1139/w11-105.
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The diversity and antimicrobial activity of endophytic fungi associated with the Brazilian medicinal plant Solanum cernuum Vell. were studied during summer and winter seasons. A total of 246 fungal isolates were obtained, including 225 filamentous fungi and 21 yeasts. They were identified by morphological, physiological, and molecular methods. Fifty-five different taxa represented by the phyla Ascomycota (33 taxa), Basidiomycota (21 taxa), and Zygomycota (one taxon) were identified. The most abundant taxa were closely related to Arthrobotrys foliicola , Colletotrichum gloeosporioides , Coprinellus radians , Glomerella acutata , Diatrypella frostii , Phoma glomerata , Mucor sp., Phlebia subserialis , Phoma moricola , Phanerochaete sordida , and Colletotrichum sp. A total of 265 fungal extracts were screened and 64 (26.01%) displayed antimicrobial activities. Among these extracts, 18 (28.12%) presented antibacterial and antifungal activities, 42 (65.62%) displayed selective antibacterial activity, and four (6.25%) exhibited only antifungal activity. The best values of minimum inhibitory concentration were obtained from extracts of Cryptococcus rajasthanensis , Glomerella acutata, Leptosphaeria sp., and Phoma glomerata ranging from 7.8 to 15.62 µg/mL. This study is the first survey of the endophytic fungi community associated with S. cernuum, and our results show that they can represent a promising source of bioactive compounds.
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Rolshausen, P. E., F. Trouillas, and W. D. Gubler. "Identification of Eutypa lata by PCR-RFLP." Plant Disease 88, no. 9 (2004): 925–29. http://dx.doi.org/10.1094/pdis.2004.88.9.925.
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Eutypa lata is a vascular canker pathogen of woody plants commonly diagnosed by isolating the pathogen from infected tissue. Related fungi from the same family, the Diatrypaceae, also have been found in association with grapevine in Californian vineyards. An in situ polymerase chain reaction (PCR) method has been developed for detection of E. lata in infected wood tissue. However, our results indicate that this method also would amplify other Diatrypaceous fungi, which could potentially lead to an incorrect diagnosis. Therefore, we developed a PCR-restriction fragment length polymorphism (PCR-RFLP) assay. The internal transcribed spacer (ITS)1/5.8S/ITS2 ribosomal DNA region was amplified by PCR using universal primers, and RFLP patterns were determined after digestion with AluI. The restriction profiles obtained served to distinguish E. lata from wood trunk pathogens of grapevine (Phomopsis viticola, Botryodiplodia sp., Phaeoacremonium aleophilum, and Phaeomoniella chlamydospora), Diatrypaceous fungi (Diatrype sp., Diatrypella sp., Eutypella vitis, and Eutypa leptoplaca), and Cryptovalsa sp. found on dead wood of grapevine, and other Eutypa spp. (E.petrakii var. hederae, E. astroidea, E. crustata, and E. lejoplaca), with the exception of E. armeniacae, which we regard as a synonym for E. lata, and E. laevata, which has not been found on grapevine.
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Lynch, Shannon Colleen, Paul J. Zambino, Joey Sal Mayorquin, Danny Ho Wang, and Akif Eskalen. "Identification of New Fungal Pathogens of Coast Live Oak in California." Plant Disease 97, no. 8 (2013): 1025–36. http://dx.doi.org/10.1094/pdis-11-12-1055-re.
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A decline of coast live oak (Quercus agrifolia) has been observed throughout southern California. In this study, the identity and pathogenicity of non-Botryosphaeriaceae fungal species consistently recovered from necrotic tissues of branch and bleeding trunk canker samples from these locations were assessed. Species were identified morphologically and by comparison of the complete sequence of the internal transcribed spacer (ITS) of the ribosomal DNA to sequences available in GenBank. Phylogenetic analyses were then conducted using ITS and partial sequences of the β-tubulin and mitochondrial small ribosomal subunit genes for unknown species. Fungi recovered and identified included Fusarium solani, Phaeoacremonium mortoniae, Diatrypella verrucaeformis, and a fungus described herein as Cryptosporiopsis querciphila sp. nov. One-year-old coast live oak seedlings were wound inoculated under controlled conditions to test pathogenicity of the fungal species. Each fungal species was successfully reisolated from necrotic tissue at 70 and 100% for P. mortoniae and all other species, and xylem necrosis was significantly different between all treatments and controls (P < 0.0001 at α = 0.05). Isolates of F. solani were the most aggressive tested. These species represent new records of fungal pathogens of coast live oak in California. Results from the pathogenicity test suggest that these fungi play a role in the decline of southern California coast live oak trees.
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Hyde, KD, SN Wijesinghe, TB Amuhenage, et al. "Current Research in Applied and Environmental Mycology Fungal Profiles 1-30." Current Research in Environmental & Applied Mycology 14, no. 1 (2024): 167–266. https://doi.org/10.5943/cream/14/1/11.
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This manuscript represents the first contribution to the CREAM notes series, including detailed descriptions and illustrations of 30 taxa distributed across two phyla (Ascomycota and Basidiomycota), including three classes (Agaricomycetes, Dothideomycetes, and Sordariomycetes), 11 orders, and 23 families. Taxa in this study were collected randomly from Asian regions, including China (East Asia), India (South Asia), and Thailand (Southeast Asia), which are known for their notably rich fungal diversity. Here in a novel species, Poaceascoma chiangraiense is introduced, along with 18 new host records (Acrocalymma hongheense, Aplosporella hesperidica, Diatrypella delonicis, Dictyoarthrinium sacchari, Dictyocheirospora heptaspora, Fissuroma caryotae, Halobyssothecium unicellulare, Lasiodiplodia theobromae, Melomastia fusispora, Neoangustimassarina sichuanensis, Nigrograna kunmingensis, Periconia byssoides, Pestalotiopsis kandelicola, Phaeoisaria sedimenticola, Plenodomus collinsoniae, Rhytidhysteron rufulum, Current Research in Environmental & Applied Mycology (Journal of Fungal Biology) 14(1): 167–266 (2024) ISSN 2229-2225 www.creamjournal.org Article Doi 10.5943/cream/14/1/11 168 Spegazzinia neosundara, and Torula fici), four new geographical records (Cancellidium griseonigrum, Diaporthe angustiapiculata, Hongkongmyces kokensis, and Lactarius purpureocastaneus), four new host and geographical records (Ectophoma pomi, Lasiodiplodia crassispora, Memnoniella echinata, and Pestalotiopsis smilacicola), two new regional records (Lactarius flavigalactus and L. lachungensis), and one new provincial record (Allocryptovalsa rabenhorstii). The "CREAM Notes" series aims to continuously document and describe global fungal species by providing molecular data for both newly discovered and existing fungal species. This initiative will help to provide a comprehensive understanding of fungal taxonomy, host relationships, and distribution patterns worldwide.
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Dissanayake, Lakmali, Nalin Wijayawardene, Monika Dayarathne, et al. "Paraeutypella guizhouensis gen. et sp. nov. and Diatrypella longiasca sp. nov. (Diatrypaceae) from China." Biodiversity Data Journal 9 (March 26, 2021). http://dx.doi.org/10.3897/bdj.9.e63864.
Full textAbstract:
In this study, we introduce a novel genus, Paraeutypella, of the family Diatrypaceae comprising three species viz. Paraeutypella guizhouensis sp. nov. and P. citricola (basionym: Eutypella citricola) and P. vitis (basionym: Sphaeria vitis). Diatrypella longiasca sp. nov. is also introduced, which forms a distinct clade in Diatrypella sensu stricto. The discovery of this new genus will contribute to expanding the knowledge and taxonomic framework of Diatrypaceae (Xylariales). Generic delimitations in Diatrypaceae are unsettled because the phylogeny has yet to be resolved using extensive taxon sampling and sequencing of ex-type cultures. During an investigation of xylarialean fungi, we collected eutypella-like fungi which is distinct from Eutypella sensu stricto in our phylogenetic analyses (ITS and β-tubulin), thus, introduced as Paraeutypella guizhouensis gen. et sp. nov.. Paraeutypella is characterised by having 4–25 perithecia in a stroma each with 3–6 sulcate, long ostiolar necks. Paraeutypella citricola comb. nov. (basionym: Eutypella citricola) is introduced on Acer sp. from China. Diatrypella longiasca sp. nov. is introduced as a new species in Diatrypella sensu stricto. which has 2–5 ascomata per stroma and long ascospores, unusual when compared to other Diatrypella species and distinct phylogenetically.
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Zhu, Haiyan, Meng Pan, Nalin N. Wijayawardene, et al. "The Hidden Diversity of Diatrypaceous Fungi in China." Frontiers in Microbiology 12 (May 31, 2021). http://dx.doi.org/10.3389/fmicb.2021.646262.
Full textAbstract:
In this study, we investigated the diversity of diatrypaceous fungi from six regions in China based on morpho-molecular analyses of combined ITS and tub2 gene regions. We accept 23 genera in Diatrypaceae with 18 genera involved in the phylogram, and the other five genera are lacking living materials with sequences data. Eleven species included in four genera (viz. Allocryptovalsa, Diatrype, Diatrypella, and Eutypella) have been isolated from seven host species, of which nine novel species (viz. Allocryptovalsa castaneae, A. castaneicola, Diatrype betulae, D. castaneicola, D. quercicola, Diatrypella betulae, Da. betulicola, Da. hubeiensis, and Da. shennongensis), a known species of Diatrypella favacea, and a new record of Eutypella citricola from the host genus Morus are included. Current results show the high diversity of Diatrypaceae which are wood-inhabiting fungi in China.
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Li, Qi-Rui, Si-Han Long, Yan Lin, et al. "Diversity, morphology, and molecular phylogeny of Diatrypaceae from southern China." Frontiers in Microbiology 14 (April 6, 2023). http://dx.doi.org/10.3389/fmicb.2023.1140190.
Full textAbstract:
During an investigation of Diatrypaceae from southern China, 10 xylariales-like taxa have been collected. Morphological and multi-gene analyses confirmed that these taxa reside in Diatrypaceae and represent eight novel taxa and two new records belonging to six genera (viz., Allocryptovalsa, Diatrype, Diatrypella, Paraeutypella, Peroneutypa, and Vasilyeva gen. nov.). Vasilyeva gen. nov. was proposed to accommodate Vasilyeva cinnamomi sp. nov. Among the other collections, seven new species were introduced (viz., Diatrype camelliae-japonicae sp. nov., Diatrype rubi sp. nov., Diatrypella guiyangensis sp. nov., Diatrypella fatsiae-japonicae sp. nov., Paraeutypella subguizhouensis sp. nov., Peroneutypa hainanensis sp. nov., and Peroneutypa qianensis sp. nov.), while two were reported as new records from China (Allocryptovalsa rabenhorstii and Diatrype enteroxantha). For Diatrypaceae, the traditional taxonomic approach based on morphology may not be applicable.
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Xu, Xiu-Lan, Fei-Hu Wang, Chao Liu, et al. "Morphology and phylogeny of ascomycetes associated with walnut trees (Juglans regia) in Sichuan province, China." Frontiers in Microbiology 13 (October 20, 2022). http://dx.doi.org/10.3389/fmicb.2022.1016548.
Full textAbstract:
In Sichuan province, walnuts, consisting of Juglans regia, Juglans sigillata, and the hybrid J. regia × J. sigillata, are commercially important edible nuts, and J. regia is the most widespread plant. To date, the diversity and distribution of fungi inhabiting on Juglans have not received enough attention, although there have been studies focusing on pathogens from fruit and stem. In order to update the checklist of fungi associated with Sichuan walnuts, a survey on fungi associated with the three Juglans species from 15 representative regions in Sichuan was conducted. In this article, ten fungi distributed in two classes of Ascomycota (Dothideomycetes and Sordariomycetes) were described based on morpho-molecular analyses, and two novel species, Neofusicoccum sichuanense and Sphaerulina juglandina, a known species of Ophiognomonia leptostyla, and seven new hosts or geographical records of Cladosporium tenuissimum, Diatrypella vulgaris, Helminthosporium juglandinum, Helminthosporium velutinum, Loculosulcatispora hongheensis, Periconia byssoides, and Rhytidhysteron subrufulum were included. Morphological descriptions and illustrations of these fungi are provided.
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Ghobadi, Armin, and Samad Jamali. "Identification of fungal species associated with gall oak (Quercus infectoria Oliv.) decline in Iran." Plant Disease, September 20, 2024. http://dx.doi.org/10.1094/pdis-05-24-0974-re.
Full textAbstract:
The gall oak (Quercus infectoria Oliv.) tree is one of the most important and valuable forestry species in the Northern Zagros forests in the west of Iran. Gall oak decline is considered to be one of the most important diseases currently affecting the oak Zagros forests in Iran. The main objective of the present study, conducted in the years 2021–2023, was to investigate the possible role of fungi as causative agents of gall oak dieback in the Zagros forests of Iran. Wood samples were taken from gall oak trees showing canker, dieback, and internal wood discoloration symptoms. Fungal isolates recovered from gall oak trees were identified based on cultural and morphological characteristics, as well as phylogenetic analyses using DNA sequencing of the internal transcribed spacer region of rDNA (ITS) and partial beta-tubulin (tub2). Achaetomium aegilopis, Alternaria tenuissima, Apiospora intestine, Botrytis cinerea, Coniochaeta sp., Coniothyrium palmarum, Coniothyrium sp., Cytospora rhodophila, Dialonectria episphaeria, Diatrype sp., Diatrypella macrospora, Endoconidioma populi, Fonsecazyma sp., Fusarium ipomoeae, Jattaea discrete, Kalmusia variispora, Microsphaeropsis olivacea, Neoscytalidium dimidiatum, Paecilomyces lecytidis, Paramicrosphaeropsis eriobotryae, Paramicrosphaeropsis ellipsoidea, and Seimatosporium pezizoides were identified from diseased trees. Pathogenicity tests were performed by artificial inoculation of excised branches of healthy gall oak trees under controlled conditions and evaluated after 35 days by measuring the discolored lesion length at the inoculation site. N. dimidiatum was the most virulent species and caused the longest wood necrosis within 35 days of inoculation. In the greenhouse test, only some species induced typical symptoms of canker. All isolated fungi are reported for the first time on gall oak trees in the world.