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Two new phlebotomine sandfly species (Diptera: Psychodidae) from the Highlands of Madagascar. Acta Trop 2020; 202:105260. [PMID: 31705842 DOI: 10.1016/j.actatropica.2019.105260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/05/2019] [Accepted: 11/05/2019] [Indexed: 11/22/2022]
Abstract
The Malagasy phlebotomine sandfly fauna includes 17 species: five belong to the genus Phlebotomus, ten to the genus Sergentomyia, and two to the genus Grassomyia. The current article describes Sergentomyia brunhesi sp. nov. and Sergentomyia vistellei sp. nov. from the Malagasy Highlands. Females were described morphologically from specimens collected at Ranomafana-Ifanadiana and Andringitra. Partial molecular sequences of cyt b and 28S rDNA were retrieved for Se. vistellei sp. nov. Waiting new data, we consider these species as ungrouped Sergentomyia. Two new species of Sergentomyia are recorded at higher altitudes in Madagascar. Knowledge of local Biodiversity is increasing. New investigations have to be carried out to describe males, to understand their bionomics, and to identify other potential new species at higher altitudes.
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Haridas S, Albert R, Binder M, Bloem J, LaButti K, Salamov A, Andreopoulos B, Baker SE, Barry K, Bills G, Bluhm BH, Cannon C, Castanera R, Culley DE, Daum C, Ezra D, González JB, Henrissat B, Kuo A, Liang C, Lipzen A, Lutzoni F, Magnuson J, Mondo SJ, Nolan M, Ohm RA, Pangilinan J, Park HJ, Ramírez L, Alfaro M, Sun H, Tritt A, Yoshinaga Y, Zwiers LH, Turgeon BG, Goodwin SB, Spatafora JW, Crous PW, Grigoriev IV. 101 Dothideomycetes genomes: A test case for predicting lifestyles and emergence of pathogens. Stud Mycol 2020; 96:141-153. [PMID: 32206138 PMCID: PMC7082219 DOI: 10.1016/j.simyco.2020.01.003] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Dothideomycetes is the largest class of kingdom Fungi and comprises an incredible diversity of lifestyles, many of which have evolved multiple times. Plant pathogens represent a major ecological niche of the class Dothideomycetes and they are known to infect most major food crops and feedstocks for biomass and biofuel production. Studying the ecology and evolution of Dothideomycetes has significant implications for our fundamental understanding of fungal evolution, their adaptation to stress and host specificity, and practical implications with regard to the effects of climate change and on the food, feed, and livestock elements of the agro-economy. In this study, we present the first large-scale, whole-genome comparison of 101 Dothideomycetes introducing 55 newly sequenced species. The availability of whole-genome data produced a high-confidence phylogeny leading to reclassification of 25 organisms, provided a clearer picture of the relationships among the various families, and indicated that pathogenicity evolved multiple times within this class. We also identified gene family expansions and contractions across the Dothideomycetes phylogeny linked to ecological niches providing insights into genome evolution and adaptation across this group. Using machine-learning methods we classified fungi into lifestyle classes with >95 % accuracy and identified a small number of gene families that positively correlated with these distinctions. This can become a valuable tool for genome-based prediction of species lifestyle, especially for rarely seen and poorly studied species.
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Key Words
- Aulographales Crous, Spatafora, Haridas & Grigoriev
- Coniosporiaceae Crous, Spatafora, Haridas & Grigoriev
- Coniosporiales Crous, Spatafora, Haridas & Grigoriev
- Eremomycetales Crous, Spatafora, Haridas & Grigoriev
- Fungal evolution
- Genome-based prediction
- Lineolataceae Crous, Spatafora, Haridas & Grigoriev
- Lineolatales Crous, Spatafora, Haridas & Grigoriev
- Machine-learning
- New taxa
- Rhizodiscinaceae Crous, Spatafora, Haridas & Grigoriev
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Description of Two New Species of Philometra Costa, 1845 (Nematoda: Philometridae) from Marine Fishes off Japan, with Notes on Philometroides seriolae (Yamaguti, 1935). Acta Parasitol 2019; 64:829-838. [PMID: 31418167 DOI: 10.2478/s11686-019-00107-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 08/06/2019] [Indexed: 11/20/2022]
Abstract
PURPOSE Philometrid nematodes (Philometridae) represent a group of more than 200 species parasitic in the body cavity and various body tissues of fishes. Due to morphological and biological peculiarities, the majority of them are known only by their large females. Generally, the fauna of these parasites remains little known. METHODS Occasional helminthological examinations of three species of marine fishes in Japan revealed two new and one insufficiently known species of these tissue-dwelling parasites. These were studied with the use of light and scanning electron microscopy. RESULTS All three nematode species are described. Philometra ostorhinchi sp. nov. (males and females) from the ovary of Ostorhinchus semilineatus (Temminck et Schlegel) (Apogonidae, Perciformes) is characterized mainly by the lengths and structure of spicules and the gubernaculum (spicules 108-120 µm long, length of the gubernaculum 78-87 µm); it is the only species of philometrids parasitic in a fish belonging to the Apogonidae. The gravid females of Philometra tenuis sp. nov. (only females available) from the head subcutaneous tissues of Conger myriaster (Brevoort) (Congridae, Anguilliformes) differ from congeners mainly in an unusual shape of the anterior oesophageal bulb. Some new data on the morphology of an insufficiently known species Philometroides seriolae (Ishii, 1931), collected from the body musculature of Seriola quinqueradiata Temminck et Schlegel (Carangidae, Perciformes), are provided; the number and arrangement of cephalic papillae in subgravid females of P. seriolae were found to be similar to those in females of the majority of other philometrid species. CONCLUSIONS The present study extends the knowledge of the species composition of philometrids parasitizing marine fishes and of the morphology of P. seriolae, the type species of Philometroides Yamaguti, 1935.
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Rodríguez-Andrade E, Stchigel AM, Terrab A, Guarro J, Cano-Lira JF. Diversity of xerotolerant and xerophilic fungi in honey. IMA Fungus 2019; 10:20. [PMID: 32647624 PMCID: PMC7325685 DOI: 10.1186/s43008-019-0021-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/17/2019] [Indexed: 11/10/2022] Open
Abstract
Fungi can colonize most of the substrata on Earth. Honey, a sugary food produced by bees (and other insects) has been studied little in terms of its fungal diversity. We have surveyed and evaluated the presence of xerotolerant and xerophilic fungi in a set of honey bee samples collected from across Spain. From 84 samples, a total of 104 fungal strains were isolated, and morphologically and phylogenetically characterized. We identified 32 species distributed across 16 genera, most of them belonging to the ascomycetous genera Aspergillus, Bettsia, Candida, Eremascus, Monascus, Oidiodendron, Penicillium, Skoua, Talaromyces and Zygosaccharomyces. As a result of this survey, eight new taxa are proposed: i.e. the new family Helicoarthrosporaceae, two new genera, Helicoarthrosporum and Strongyloarthrosporum in Onygenales; three new species of Eurotiales, Talaromyces affinitatimellis, T. basipetosporus, and T. brunneosporus; and two new species of Myxotrichaceae, Oidiodendron mellicola, and Skoua asexualis.
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Thuy B, Gale A, Numberger-Thuy L. Brittle stars looking like starfish: the first fossil record of the Astrophiuridae and a remarkable case of convergent evolution. PeerJ 2019; 7:e8008. [PMID: 31741791 PMCID: PMC6858817 DOI: 10.7717/peerj.8008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/07/2019] [Indexed: 11/20/2022] Open
Abstract
The genus Astrophiura, which ranks among the most extraordinary of modern brittle stars, is the type genus of the recently resurrected family Astrophiuridae within the order Ophiurida. On account of its absurdly enlarged and strongly modified lateral arm plates, Astrophiura bears a closer resemblance to a pentagonal starfish than to a typical ophiuroid. Although molecular evidence suggests an ancient origin of the Astrophiuridae, dating back at least to the Early Jurassic, not a single fossil astrophiurid has been reported so far. Here, we describe dissociated lateral arm plates from the Campanian of Cringleford near Norwich, UK, and the Maastrichtian of Rügen, Germany (both Upper Cretaceous) with unambiguous astrophiurid affinities and assign these to a new species, Astrophiura markbeneckei. This represents the first fossil record of the family. In addition, the Rügen material included lateral arm plates that superficially resemble those of A. markbeneckei sp. nov. but differ in having spine articulations that are typical of the ophionereidoid family Amphilimnidae. We assign these plates to a new genus and species, Astrosombra rammsteinensis, an extinct amphilimnid with morphological modifications similar to those of Astrophiura, and thus representing a remarkable case of parallel evolution amongst brittle stars looking like starfish.
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Jiang H, Deng T, Lv XY, Zhang RB, Wen F. Primulina serrulata (Gesneriaceae), a new species from southeastern Guizhou, China. PHYTOKEYS 2019; 132:11-18. [PMID: 31579145 PMCID: PMC6763502 DOI: 10.3897/phytokeys.132.36717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 08/30/2019] [Indexed: 06/02/2023]
Abstract
Primulina serrulata R.B.Zhang & F. Wen, a new species from a limestone area in southeastern Guizhou, China, is described and illustrated here. The new species is morphologically related to P. fimbrisepala (Hand.-Mazz.) Y.Z.Wang. We examined the morphological differences between these congeners and provide illustrations and photographs of this new species in this paper.
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Delgat L, Dierickx G, De Wilde S, Angelini C, De Crop E, De Lange R, Halling R, Manz C, Nuytinck J, Verbeken A. Looks can be deceiving: the deceptive milkcaps ( Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity. IMA Fungus 2019; 10:14. [PMID: 32647618 PMCID: PMC7325672 DOI: 10.1186/s43008-019-0017-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 08/27/2019] [Indexed: 11/10/2022] Open
Abstract
The ectomycorrhizal genus Lactifluus is known to contain many species complexes, consisting of morphologically very similar species, which can be considered cryptic or pseudocryptic. In this paper, a thorough molecular study is performed of the clade around Lactifluus deceptivus (originally described by Peck from North America) or the deceptive milkcaps. Even though most collections were identified as L. deceptivus, the clade is shown to contain at least 15 species, distributed across Asia and America, indicating that the L. deceptivus clade represents a species complex. These species are morphologically very similar and are characterized by a tomentose pileus with thin-walled hyphae and a velvety stipe with thick-walled hyphae. An ITS1 sequence was obtained through Illumina sequencing for the lectotype of L. deceptivus, dating from 1885, revealing which clade represents the true L. deceptivus. In addition, it is shown that three other described species also belong to the L. deceptivus clade: L. arcuatus, L. caeruleitinctus and L. mordax, and molecularly confirmed that L. tomentoso-marginatus represents a synonym of L. deceptivus. Furthermore, two new Neotropical species are described: Lactifluus hallingii and L. domingensis.
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Crous P, Wingfield M, Cheewangkoon R, Carnegie A, Burgess T, Summerell B, Edwards J, Taylor P, Groenewald J. Foliar pathogens of eucalypts. Stud Mycol 2019; 94:125-298. [PMID: 31636729 PMCID: PMC6797021 DOI: 10.1016/j.simyco.2019.08.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Species of eucalypts are commonly cultivated for solid wood and pulp products. The expansion of commercially managed eucalypt plantations has chiefly been driven by their rapid growth and suitability for propagation across a very wide variety of sites and climatic conditions. Infection of foliar fungal pathogens of eucalypts is resulting in increasingly negative impacts on commercial forest industries globally. To assist in evaluating this threat, the present study provides a global perspective on foliar pathogens of eucalypts. We treat 110 different genera including species associated with foliar disease symptoms of these hosts. The vast majority of these fungi have been grown in axenic culture, and subjected to DNA sequence analysis, resolving their phylogeny. During the course of this study several new genera and species were encountered, and these are described. New genera include: Lembosiniella (L. eucalyptorum on E. dunnii, Australia), Neosonderhenia (N. eucalypti on E. costata, Australia), Neothyriopsis (N. sphaerospora on E. camaldulensis, South Africa), Neotrichosphaeria (N. eucalypticola on E. deglupta, Australia), Nothotrimmatostroma (N. bifarium on E. dalrympleana, Australia), Nowamyces (incl. Nowamycetaceae fam. nov., N. globulus on E. globulus, Australia), and Walkaminomyces (W. medusae on E. alba, Australia). New species include (all from Australia): Disculoides fraxinoides on E. fraxinoides, Elsinoe piperitae on E. piperita, Fusculina regnans on E. regnans, Marthamyces johnstonii on E. dunnii, Neofusicoccum corticosae on E. corticosa, Neotrimmatostroma dalrympleanae on E. dalrympleana, Nowamyces piperitae on E. piperita, Phaeothyriolum dunnii on E. dunnii, Pseudophloeospora eucalyptigena on E. obliqua, Pseudophloeospora jollyi on Eucalyptus sp., Quambalaria tasmaniae on Eucalyptus sp., Q. rugosae on E. rugosa, Sonderhenia radiata on E. radiata, Teratosphaeria pseudonubilosa on E. globulus and Thyrinula dunnii on E. dunnii. A new name is also proposed for Heteroconium eucalypti as Thyrinula uruguayensis on E. dunnii, Uruguay. Although many of these genera and species are commonly associated with disease problems, several appear to be opportunists developing on stressed or dying tissues. For the majority of these fungi, pathogenicity remains to be determined. This represents an important goal for forest pathologists and biologists in the future. Consequently, this study will promote renewed interest in foliar pathogens of eucalypts, leading to investigations that will provide an improved understanding of the biology of these fungi.
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Marin-Felix Y, Hernández-Restrepo M, Iturrieta-González I, García D, Gené J, Groenewald J, Cai L, Chen Q, Quaedvlieg W, Schumacher R, Taylor P, Ambers C, Bonthond G, Edwards J, Krueger-Hadfield S, Luangsa-ard J, Morton L, Moslemi A, Sandoval-Denis M, Tan Y, Thangavel R, Vaghefi N, Cheewangkoon R, Crous P. Genera of phytopathogenic fungi: GOPHY 3. Stud Mycol 2019; 94:1-124. [PMID: 31636728 PMCID: PMC6797016 DOI: 10.1016/j.simyco.2019.05.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
This paper represents the third contribution in the Genera of Phytopathogenic Fungi (GOPHY) series. The series provides morphological descriptions, information about the pathology, distribution, hosts and disease symptoms for the treated genera, as well as primary and secondary DNA barcodes for the currently accepted species included in these. This third paper in the GOPHY series treats 21 genera of phytopathogenic fungi and their relatives including: Allophoma, Alternaria, Brunneosphaerella, Elsinoe, Exserohilum, Neosetophoma, Neostagonospora, Nothophoma, Parastagonospora, Phaeosphaeriopsis, Pleiocarpon, Pyrenophora, Ramichloridium, Seifertia, Seiridium, Septoriella, Setophoma, Stagonosporopsis, Stemphylium, Tubakia and Zasmidium. This study includes three new genera, 42 new species, 23 new combinations, four new names, and three typifications of older names.
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Key Words
- Allophoma pterospermicola Q. Chen & L. Cai
- Alternaria aconidiophora Iturrieta-González, Dania García & Gené
- Alternaria altcampina Iturrieta-González, Dania García & Gené
- Alternaria chlamydosporifera Iturrieta-González, Dania García & Gené
- Alternaria curvata Iturrieta-González, Dania García & Gené
- Alternaria fimeti Iturrieta-González, Dania García & Gené
- Alternaria inflata Iturrieta-González, Dania García & Gené
- Alternaria lawrencei Iturrieta-González, Dania García & Gené
- Alternaria montsantina Iturrieta-González, Dania García & Gené
- Alternaria pobletensis Iturrieta-González, Dania García & Gené
- Alternaria pseudoventricosa Iturrieta-González, Dania García & Gené
- Arezzomyces Y. Marín & Crous
- Arezzomyces cytisi (Wanas. et al.) Y. Marín & Crous
- Ascochyta chrysanthemi F. Stevens
- Brunneosphaerella roupeliae Crous
- DNA barcodes
- Elsinoe picconiae Crous
- Elsinoe veronicae Crous, Thangavel & Y. Marín
- Fungal systematics
- Globoramichloridium Y. Marín & Crous
- Globoramichloridium indicum (Subram.) Y. Marín & Crous
- Neosetophoma aseptata Crous, R.K. Schumach. & Y. Marín
- Neosetophoma phragmitis Crous, R.K. Schumach. & Y. Marín
- Neosetophoma sambuci Crous, R.K. Schumach. & Y. Marín
- Neostagonospora sorghi Crous & Y. Marín
- New taxa
- Parastagonospora novozelandica Crous, Thangavel & Y. Marín
- Parastagonospora phragmitis Crous & Y. Marín
- Pestalotia unicornis Cooke & Ellis
- Phaeosphaeria phoenicicola (Crous & Thangavel) Y. Marín & Crous
- Phaeosphaeriopsis aloes Crous & Y. Marín
- Phaeosphaeriopsis aloicola Crous & Y. Marín
- Phaeosphaeriopsis grevilleae Crous & Y. Marín
- Phaeosphaeriopsis pseudoagavacearum Crous & Y. Marín
- Pleiocarpon livistonae Crous & Quaedvl.
- Pyrenophora avenicola Y. Marín & Crous
- Pyrenophora cynosuri Y. Marín & Crous
- Pyrenophora nisikadoi Y. Marín & Crous
- Pyrenophora novozelandica Y. Marín & Crous
- Pyrenophora poae (Baudyš) Y. Marín & Crous
- Pyrenophora pseudoerythrospila Y. Marín & Crous
- Pyrenophora sieglingiae Y. Marín & Crous
- Pyrenophora variabilis Hern.-Restr. & Y. Marín
- Pyrenophora wirreganensis (Wallwork et al.) Y. Marín & Crous
- Rhynchosphaeria cupressi Nattrass et al
- Seiridium cupressi (Nattrass et al.) Bonthond, Sandoval-Denis & Crous
- Seiridium pezizoides (de Not.) Crous
- Septoriella agrostina (Mapook et al.) Y. Marín & Crous
- Septoriella artemisiae (Wanas. et al.) Y. Marín & Crous
- Septoriella arundinicola (Wanas. et al.) Y. Marín & Crous
- Septoriella arundinis (W.J. Li et al.) Y. Marín & Crous
- Septoriella bromi (Wijayaw. et al.) Y. Marín & Crous
- Septoriella dactylidicola Y. Marín & Crous
- Septoriella dactylidis (Wanas. et al.) Y. Marín & Crous
- Septoriella elongata (Wehm.) Y. Marín & Crous
- Septoriella forlicesenica (Thambug. et al.) Y. Marín & Crous
- Septoriella garethjonesii (Thambug. et al.) Y. Marín & Crous
- Septoriella germanica Crous, R.K. Schumach. & Y. Marín
- Septoriella hibernica Crous, Quaedvl. & Y. Marín
- Septoriella hollandica Crous, Quaedvl. & Y. Marín
- Septoriella italica (Thambug. et al.) Y. Marín & Crous
- Septoriella muriformis (Ariyaw. et al.) Y. Marín & Crous
- Septoriella neoarundinis Y. Marín & Crous
- Septoriella neodactylidis Y. Marín & Crous
- Septoriella pseudophragmitis Crous, Quaedvl. & Y. Marín
- Septoriella rosae (Mapook et al.) Y. Marín & Crous
- Septoriella subcylindrospora (W.J. Li et al.) Y. Marín & Crous
- Septoriella vagans (Niessl) Y. Marín & Crous
- Setophoma brachypodii Crous, R.K. Schumach. & Y. Marín
- Setophoma pseudosacchari Crous & Y. Marín
- Stemphylium rombundicum Moslemi, Y.P. Tan & P.W.J. Taylor
- Stemphylium truncatulae Moslemi, Y.P. Tan & P.W.J. Taylor
- Stemphylium waikerieanum Moslemi, Jacq. Edwards & P.W.J Taylor
- Vagicola arundinis Phukhams., Camporesi & K.D. Hyde
- Wingfieldomyces Y. Marín & Crous
- Wingfieldomyces cyperi (Crous & M.J. Wingf.) Y. Marín & Crous
- Zasmidium ducassei (R.G. Shivas et al.) Y. Marín & Crous
- Zasmidium thailandicum Crous
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Fernández-López J, Telleria MT, Dueñas M, Wilson AW, Padamsee M, Buchanan PK, Mueller GM, Martín MP. Addressing the diversity of Xylodon raduloides complex through integrative taxonomy. IMA Fungus 2019; 10:9. [PMID: 32355610 PMCID: PMC7184894 DOI: 10.1186/s43008-019-0010-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 06/03/2019] [Indexed: 11/28/2022] Open
Abstract
In this study, the taxonomic diversity of the Xylodon raduloides species complex (Hymenochaetales, Basidiomycota) is examined. Specimens were studied using an integrative taxonomic approach that includes molecular phylogenetic and morphological analyses, and environmental niche comparisons. Four different species were found inside the Xylodon raduloides complex, with a biogeographic distribution pattern bound by geographic regions: Europe, North America, Patagonia, and Australia-New Zealand. Molecular, morphological, and environmental evidences delimit two lineages within this complex: a Northern Hemisphere clade with longer basidiospores and wider ranges in temperature and precipitation tolerance, and a Southern Hemisphere clade with smaller and more spherical basidiospores, and an isothermal and more humid climate preference. The integrative taxonomic approach used in this study demonstrates congruence between data sets and shows how morphological and environmental characteristics contribute to the differentiation of fungal species complexes. By combining various sources of taxonomic information, three new species are described: Xylodon laurentianus, X. novozelandicus, and X. patagonicus.
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de Silva DD, Groenewald JZ, Crous PW, Ades PK, Nasruddin A, Mongkolporn O, Taylor PWJ. Identification, prevalence and pathogenicity of Colletotrichum species causing anthracnose of Capsicum annuum in Asia. IMA Fungus 2019; 10:8. [PMID: 32355609 PMCID: PMC7184891 DOI: 10.1186/s43008-019-0001-y] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 04/25/2019] [Indexed: 12/14/2022] Open
Abstract
Anthracnose of chili (Capsicum spp.) causes major production losses throughout Asia where chili plants are grown. A total of 260 Colletotrichum isolates, associated with necrotic lesions of chili leaves and fruit were collected from chili producing areas of Indonesia, Malaysia, Sri Lanka, Thailand and Taiwan. Colletotrichum truncatum was the most commonly isolated species from infected chili fruit and was readily identified by its falcate spores and abundant setae in the necrotic lesions. The other isolates consisted of straight conidia (cylindrical and fusiform) which were difficult to differentiate to species based on morphological characters. Taxonomic analysis of these straight conidia isolates based on multi-gene phylogenetic analyses (ITS, gapdh, chs-1, act, tub2, his3, ApMat, gs) revealed a further seven known Colletotrichum species, C. endophyticum, C. fructicola, C. karsti, C. plurivorum, C. scovillei, C. siamense and C. tropicale. In addition, three novel species are also described as C. javanense, C. makassarense and C. tainanense, associated with anthracnose of chili fruit in West Java (Indonesia); Makassar, South Sulawesi (Indonesia); and Tainan (Taiwan), respectively. Colletotrichum siamense is reported for the first time causing anthracnose of Capsicum annuum in Indonesia and Sri Lanka. This is also the first report of C. fructicola causing anthracnose of chili in Taiwan and Thailand and C. plurivorum in Malaysia and Thailand. Of the species with straight conidia, C. scovillei (acutatum complex), was the most prevalent throughout the surveyed countries, except for Sri Lanka from where this species was not isolated. Colletotrichum siamense (gloeosporioides complex) was also common in Indonesia, Sri Lanka and Thailand. Pathogenicity tests on chili fruit showed that C. javanense and C. scovillei were highly aggressive, especially when inoculated on non-wounded fruit, compared to all other species. The existence of new, highly aggressive exotic species, such as C. javanense, poses a biosecurity risk to production in countries which do not have adequate quarantine regulations to restrict the entry of exotic pathogens.
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Caboň M, Li GJ, Saba M, Kolařík M, Jančovičová S, Khalid AN, Moreau PA, Wen HA, Pfister DH, Adamčík S. Phylogenetic study documents different speciation mechanisms within the Russula globispora lineage in boreal and arctic environments of the Northern Hemisphere. IMA Fungus 2019; 10:5. [PMID: 32647614 PMCID: PMC7325667 DOI: 10.1186/s43008-019-0003-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 05/01/2019] [Indexed: 11/10/2022] Open
Abstract
The Russula globispora lineage is a morphologically and phylogenetically well-defined group of ectomycorrhizal fungi occurring in various climatic areas. In this study we performed a multi-locus phylogenetic study based on collections from boreal, alpine and arctic habitats of Europe and Western North America, subalpine collections from the southeast Himalayas and collections from subtropical coniferous forests of Pakistan. European and North American collections are nearly identical and probably represent a single species named R. dryadicola distributed from the Alps to the Rocky Mountains. Collections from the southeast Himalayas belong to two distinct species: R. abbottabadensis sp. nov. from subtropical monodominant forests of Pinus roxburghii and R. tengii sp. nov. from subalpine mixed forests of Abies and Betula. The results suggest that speciation in this group is driven by a climate disjunction and adaptation rather than a host switch and geographical distance.
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Zhang Y, Zhuang J, Pang H, Wang Y, Li Y, Zhang J. Paenibacillus luteus sp. nov., isolated from soil. Int J Syst Evol Microbiol 2019; 69:2354-2359. [PMID: 31140964 DOI: 10.1099/ijsem.0.003475] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-positive, strictly aerobic, motile, spore-forming and rod-shaped bacterial strain, designated R-3T, was isolated from a soil sample obtained from the shore of Lake Panyang, Sichuan Province, PR China. Strain R-3T hydrolysed starch and casein. It could not assimilate d-glucose as a carbon source, or produce acid from d-glucose and l-arabinose. Phylogenetic, phenotypic, chemotaxonomic and molecular studies were performed on the new isolate. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain R-3T was a member of the genus Paenibacillus, exhibiting the highest sequence similarity to Paenibacillus sinopodophylli TEGR-3T (98.4 %). The organism grew at 4-38 °C (optimum, 28-30 °C), at pH 6.0-10.0 (pH 7.0-7.5) and with 0-2.5 % (w/v) NaCl (1 %). The predominant menaquinone was MK-7. Anteiso-C15 : 0 (60.7 %) and C16 : 0 (15.5 %) were the major fatty acids. The cellular polar lipids contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, three unidentified aminophospholipids and one unidentified phospholipid. The DNA G+C content of strain R-3T was determined to be 47.0 mol%. The DNA-DNA relatedness between strain R-3T and P. sinopodophylli TEGR-3T was 21.2 %. Based on the results obtained in this study, strain R-3T is considered to represent a novel species of the genus Paenibacillus, for which the name Paenibacillusluteus sp. nov. is proposed. The type strain is R-3T (=CGMCC 1.16135T=KCTC 33912T).
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Abstract
The family Plectosphaerellaceae (Glomerellales, Sordariomycetes) includes numerous plant pathogenic genera and soil-borne fungal species. Ten genera are currently accepted, including several taxa that occupy an unresolved position within the family. To address this issue, a multilocus sequence analysis was carried out using partial gene sequences from the 28S large subunit nrRNA gene (LSU), the internal transcribed spacer (ITS) regions of the nrDNA region, including the 5.8S nrRNA gene, the translation elongation factor 1-alpha (TEF1-α), tryptophan synthase (TS), actin (ACT) and the RNA polymerase II second largest subunit (RPB2), based on a large set of isolates mainly from the CBS collection. Results of the molecular data combined with a detailed morphological study resolved 22 genera in the family, of which 12 are newly described. Additionally, 15 new species and 10 new combinations are proposed. An epitype and neotype are also introduced for Stachylidium bicolor and Plectosphaerella cucumerina, respectively.
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Liu F, Bonthond G, Groenewald J, Cai L, Crous P. Sporocadaceae, a family of coelomycetous fungi with appendage-bearing conidia. Stud Mycol 2019; 92:287-415. [PMID: 30584265 PMCID: PMC6298422 DOI: 10.1016/j.simyco.2018.11.001] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Species of Sporocadaceae are endophytic, plant pathogenic or saprobic, and associated with a wide range of host plants. Recent molecular studies that have attempted to address familial and generic boundaries of fungi belonging to Sporocadaceae were based on a limited number of samples and DNA loci. The taxonomy of this group of fungi is therefore still not fully resolved. The aim of the present study is to provide a natural classification for the Sporocadaceae based on multi-locus phylogenetic analyses, using LSU, ITS, tef-1α, tub2 and rpb2 loci, in combination with morphological data. A total of 30 well-supported monophyletic clades in Sporocadaceae are recognised, representing 23 known and seven new genera. Typifications are proposed for the type species of five genera (Diploceras, Discosia, Monochaetia, Sporocadus and Truncatella) to stabilise the application of these names. Furthermore, Neotruncatella and Dyrithiopsis are synonymised under Hymenopleella, and the generic circumscriptions of Diploceras, Disaeta, Hymenopleella, Monochaetia, Morinia, Pseudopestalotiopsis, Sarcostroma, Seimatosporium, Synnemapestaloides and Truncatella are emended. A total of 51 new species, one nomina nova and 15 combinations are introduced.
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Key Words
- Bartalinia pini F. Liu, L. Cai & Crous
- Discosia rubi F. Liu, L. Cai & Crous
- Discosia tricellularis (Okane et al.) F. Liu, L. Cai & Crous
- Discosia yakushimensis (Kaz. Tanaka et al.) F. Liu, L. Cai & Crous
- Distononappendiculata F. Liu, L. Cai & Crous
- Distononappendiculata banksiae (Crous & Summerell) F. Liu, L. Cai & Crous
- Distononappendiculata casuarinae F. Liu, L. Cai & Crous
- Distononappendiculata verrucata F. Liu, L. Cai & Crous
- Diversimediispora F. Liu, L. Cai & Crous
- Diversimediispora humicola F. Liu, L. Cai & Crous
- Heterotruncatella F. Liu, L. Cai & Crous
- Heterotruncatella acacigena F. Liu, L. Cai & Crous
- Heterotruncatella aspera F. Liu, L. Cai & Crous
- Heterotruncatella avellanea F. Liu, L. Cai & Crous
- Heterotruncatella breviappendiculata F. Liu, L. Cai & Crous
- Heterotruncatella constricta F. Liu, L. Cai & Crous
- Heterotruncatella diversa F. Liu, L. Cai & Crous
- Heterotruncatella grevilleae F. Liu, L. Cai & Crous
- Heterotruncatella longissima F. Liu, L. Cai & Crous
- Heterotruncatella lutea (H.J. Swart & D.A. Griffiths) F. Liu, L. Cai & Crous
- Heterotruncatella proteicola F. Liu, L. Cai & Crous
- Heterotruncatella quercicola F. Liu, L. Cai & Crous
- Heterotruncatella restionacearum (S.J. Lee & Crous) F. Liu, L. Cai & Crous
- Heterotruncatella singularis F. Liu, L. Cai & Crous
- Heterotruncatella spadicea (S.J. Lee & Crous) F. Liu, L. Cai & Crous
- Heterotruncatella spartii (Senan. et al.) F. Liu, L. Cai & Crous
- Heterotruncatella synapheae F. Liu, L. Cai & Crous
- Heterotruncatella vinaceobubalina F. Liu, L. Cai & Crous
- Hymenopleella austroafricana F. Liu, L. Cai & Crous
- Hymenopleella endophytica (Hyang B. Lee et al.) F. Liu, L. Cai & Crous
- Hymenopleella lakefuxianensis (L. Cai et al.) F. Liu, L. Cai & Crous
- Hymenopleella polyseptata F. Liu, L. Cai & Crous
- Hymenopleella subcylindrica F. Liu, L. Cai & Crous
- Monochaetia quercus F. Liu, L. Cai & Crous
- Morinia acaciae (Crous) F. Liu, L. Cai & Crous
- Morinia crini F. Liu, L. Cai & Crous
- Multi-locus phylogeny
- New taxa
- Nonappendiculata F. Liu, L. Cai & Crous
- Nonappendiculata quercina F. Liu, L. Cai & Crous
- Parabartalinia F. Liu, L. Cai & Crous
- Parabartalinia lateralis F. Liu, L. Cai & Crous
- Pestalotia hypericina Ces.
- Pestalotia monochaeta Desmazières
- Pestalotiopsis hispanica F. Liu, L. Cai & Crous
- Pestalotiopsis leucadendri F. Liu, L. Cai & Crous
- Pestalotiopsis spathuliappendiculata F. Liu, L. Cai & Crous
- Pestalotiopsis terricola F. Liu, L. Cai & Crous
- Pseudopestalotiopsis elaeidis (C. Booth & J.S. Robertson) F. Liu, L. Cai & Crous
- Pseudopestalotiopsis solicola F. Liu, L. Cai & Crous
- Pseudosarcostroma F. Liu, L. Cai & Crous
- Pseudosarcostroma osyridicola F. Liu, L. Cai & Crous
- Robillarda australiana F. Liu, L. Cai & Crous
- Sarcostroma africanum F. Liu, L. Cai & Crous
- Sarcostroma australiense F. Liu, L. Cai & Crous
- Sarcostroma diversiseptatum F. Liu, L. Cai & Crous
- Sarcostroma leucospermi F. Liu, L. Cai & Crous
- Sarcostroma longiappendiculatum F. Liu, L. Cai & Crous
- Sarcostroma paragrevilleae F. Liu, L. Cai & Crous
- Sarcostroma proteae F. Liu, L. Cai & Crous
- Seimatosporium
- Seimatosporium germanicum F. Liu, L. Cai & Crous
- Seimatosporium soli F. Liu, L. Cai & Crous
- Seimatosporium vitis-viniferae F. Liu, L. Cai & Crous
- Sphaeria artocreas Tode
- Sporocadus
- Sporocadus biseptatus F. Liu, L. Cai & Crous
- Sporocadus cornicola (Wijayaw. & Camporesi) F. Liu, L. Cai & Crous
- Sporocadus cotini F. Liu, L. Cai & Crous
- Sporocadus incanus F. Liu, L. Cai & Crous
- Sporocadus lichenicola Corda
- Sporocadus mali F. Liu, L. Cai & Crous
- Sporocadus microcyclus F. Liu, L. Cai & Crous
- Sporocadus multiseptatus F. Liu, L. Cai & Crous
- Sporocadus rosarum (Henn.) F. Liu, L. Cai & Crous
- Sporocadus rosigena F. Liu, L. Cai & Crous
- Sporocadus rotundatus F. Liu, L. Cai & Crous
- Sporocadus sorbi (Wijayaw. et al.) F. Liu, L. Cai & Crous
- Sporocadus trimorphus F. Liu, L. Cai & Crous
- Stilbospora angustata Pers
- Synnemapestaloides juniperi F. Liu, L. Cai & Crous
- Taxonomy
- Truncatella spadicea S. Lee & Crous
- Xenoseimatosporium F. Liu, L. Cai & Crous
- Xenoseimatosporium quercinum (Goonas. et al.) F. Liu, L. Cai & Crous
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High diversity and novelty of Actinobacteria isolated from the coastal zone of the geographically remote young volcanic Easter Island, Chile. Int Microbiol 2019; 22:377-390. [PMID: 30811004 DOI: 10.1007/s10123-019-00061-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 01/08/2019] [Accepted: 01/24/2019] [Indexed: 10/27/2022]
Abstract
Easter Island is an isolated volcanic island in the Pacific Ocean. Despite the extended knowledge about its origin, flora, and fauna, little is known about the bacterial diversity inhabiting this territory. Due to its isolation, Easter Island can be considered as a suitable place to evaluate microbial diversity in a geographically isolated context, what could shed light on actinobacterial occurrence, distribution, and potential novelty. In the present study, we performed a comprehensive analysis of marine Actinobacteria diversity of Easter Island by studying a large number of coastal sampling sites, which were inoculated into a broad spectrum of different culture media, where most important variations in composition included carbon and nitrogen substrates, in addition to salinity. The isolates were characterized on the basis of 16S ribosomal RNA gene sequencing and phylogenetic analysis. High actinobacterial diversity was recovered with a total of 163 pure cultures of Actinobacteria representing 72 phylotypes and 20 genera, which were unevenly distributed in different locations of the island and sample sources. The phylogenetic evaluation indicated a high degree of novelty showing that 45% of the isolates might represent new taxa. The most abundant genera in the different samples were Micromonospora, Streptomyces, Salinispora, and Dietzia. Two aspects appear of primary importance in regard to the high degree of novelty and diversity of Actinobacteria found. First, the application of various culture media significantly increased the number of species and genera obtained. Second, the geographical isolation is considered to be of importance regarding the actinobacterial novelty found.
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Põldmaa K, Bills G, Lewis DP, Tamm H. Taxonomy of the Sphaerostilbella broomeana-group (Hypocreales, Ascomycota). Mycol Prog 2019; 18:77-89. [PMID: 31662730 DOI: 10.1007/s11557-018-01468-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Three new species, closely related to Sphaerostilbella broomeana, are described from the USA and India. These species form septate conidia from simple conidiophores with individual branches terminating in a single phialide and chlamydospores. Teleomorphs, known for S. broomeana and S. appalachiensis, are characterised by hairy perithecia and fusiform, apiculate, and conspicuously warted ascospores. This combination of characters distinguishes the S. broomeana-group from other members of Sphaerostilbella that all form gliocladium-type anamorphs and mostly grow on basidiomata of Stereum spp. Like in other species of the genus, the majority of hosts of the species described in this paper belong to wood-inhabiting taxa of Russulales. Sphaerostilbella broomeana had been recorded from a few regions in Europe and exclusively on Heterobasidion annosum. Herein, it is reported also from H. parviporum in many other localities and on H. insulare s.l. at the foothills of the Himalayas. Its sister species, found in the same region in northern India on another member of Russulales (Dichostereum effuscatum), is described as S. himalayensis. The two species described from North America colonize polypores from various taxa. Whereas S. appalachiensis occurs in eastern USA, with H. irregulare among its hosts, S. toxica is so far known only from two locations in eastern Texas, growing on Gloeophyllum striatum (Polyporales). Despite their great similarity in morphology and ITS rDNA, TEF1 sequences clearly distinguish these two North-American species. Moreover, the two strains of S. toxica appeared metabolically distinct as their organic extracts strongly inhibited the growth of human pathogenic microbes grown in vitro. Phylogenetic analysis of rDNA sequences supports monophyly of the genus Sphaerostilbella and the included S. broomeana-group, established here.
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He MQ, Chuankid B, Hyde KD, Ratchadawan Cheewangkoon, Zhao RL. A new section and species of AgaricussubgenusPseudochitonia from Thailand. MycoKeys 2018:53-67. [PMID: 30271264 PMCID: PMC6160818 DOI: 10.3897/mycokeys.40.26918] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 09/07/2018] [Indexed: 12/05/2022] Open
Abstract
A large species diversity has recently been discovered in the genus Agaricus. Six subgenera and 23 sections are now recognised. In this study, three specimens collected from Thailand, formed a monophyletic clade in subgenus Pseudochitonia, based on analyses of ITS sequence data. Further analyses, based on multi-gene sequence data (ITS, LSU, tef1-α), using BEAST, revealed that this clade originated 26.7 Ma. According to their distinct morphological characteristics, phylogenetic position and relatively old divergence time, a new section Cymbiformes is proposed and this section is represented by a new species A.angusticystidiatus. This new section is characterised by the strong iodoform odour of basidiomes and cymbiform basidiospores. Descriptions, colour photographs and illustrations are presented.
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Kim KH, Cho GY, Chun BH, Weckx S, Moon JY, Yeo SH, Jeon CO. Acetobacter oryzifermentans sp. nov., isolated from Korean traditional vinegar and reclassification of the type strains of Acetobacter pasteurianus subsp. ascendens (Henneberg 1898) and Acetobacter pasteurianus subsp. paradoxus (Frateur 1950) as Acetobacter ascendens sp. nov., comb. nov. Syst Appl Microbiol 2018; 41:324-332. [PMID: 29655875 DOI: 10.1016/j.syapm.2018.03.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 03/20/2018] [Accepted: 03/22/2018] [Indexed: 02/07/2023]
Abstract
Twelve Acetobacter pasteurianus-related strains with publicly available genomes in GenBank shared high 16S rRNA gene sequence similarity (>99.59%), but average nucleotide identity (ANI) and in silico DNA-DNA hybridization (DDH) values and multilocus sequence- and genome-based relatedness analyses suggested that they were divided into four different phylogenetic lineages. Relatedness analyses based on multilocus sequences, 1,194 core genes and whole-cell MALDI-TOF profiles supported that strains LMG 1590T and LMG 1591 (previously classified as the type strains of A. pasteurianus subsp. ascendens and paradoxus, respectively) and strain SLV-7T do not belong to A. pasteurianus. Strain SLV-7T, isolated from Korean traditional vinegar, shared low ANI (<91.0%) and in silico DDH (44.2%) values with all other Acetobacter type strains analyzed in this study, indicating that strain SLV-7T represents a new Acetobacter species. The phenotypic and chemotaxonomic analyses confirmed these results and therefore a new species named Acetobacter oryzifermentans sp. nov. is proposed with SLV-7T (=KACC 19301T=JCM 31096T) as the type strain. Strains LMG 1590T and LMG 1591 shared high ANI (99.4%) and in silico DDH (96.0%) values between them, but shared low ANI (<92.3%) and in silico DDH (<49.0%) values with other type strains analyzed in this study, indicating that strains LMG 1590T and LMG 1591 should be reclassified into a new single species that should be named Acetobacter ascendens sp. nov., comb. nov., with LMD 51.1T (=LMG 1590T=NCCB 51001T) as its type strain.
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Réblová M, Miller AN, Réblová K, Štěpánek V. Phylogenetic classification and generic delineation of Calyptosphaeria gen. nov., Lentomitella, Spadicoides and Torrentispora ( Sordariomycetes). Stud Mycol 2017; 89:1-62. [PMID: 29367793 PMCID: PMC5773705 DOI: 10.1016/j.simyco.2017.11.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The genus Ceratostomella has a long history of taxonomic confusion. While species with evanescent asci have been transferred to the Microascales and Ophiostomatales, the taxonomic status of species with persistent asci has not been completely resolved. In previous studies using DNA sequence data, cultures and morphology, several Ceratostomella spp. were allocated in 13 genera in the Eurotiomycetes and Sordariomycetes. In our study, the systematics of the remaining Ceratostomella spp. with persistent asci is revisited with new collection data, cultures and phylogeny based on novel DNA sequences from six nuclear loci. Bayesian inference and Maximum Likelihood analyses support the monophyly of several wood-inhabiting species formerly classified in Ceratostomella and other unknown morphologically similar taxa and their division into four genera, i.e. Lentomitella, Spadicoides, Torrentispora and the newly described Calyptosphaeria. This robust clade represents the order Xenospadicoidales in the Sordariomycetidae. Comparative analysis of the ITS2 secondary structure revealed a genetic variation among Lentomitella isolates; 11 species were recognised, of which five are newly introduced and two are new combinations. Other taxonomic novelties include four new species and eight new combinations in Calyptosphaeria, Spadicoides, and Torrentispora. Molecular data suggest that Spadicoides is polyphyletic. The core of the genus is positioned in the Xenospadicoidales; Spadicoides s. str. is experimentally linked with sexual morphs for the first time. Based on DNA sequence data, the monotypic genera Xenospadicoides and Pseudodiplococcium are reduced to synonymy under Spadicoides, while Fusoidispora and Pseudoannulatascus are synonymised with Torrentispora. Members of the Xenospadicoidales inhabit decaying wood in terrestrial and freshwater environments and share a few morphological characters such as the absence of stromatic tissue, ascomata with a cylindrical or rostrate neck, similar anatomies of the ascomatal walls, thin-walled unitunicate asci with a non-amyloid apical annulus, disintegrating paraphyses, usually ellipsoidal to fusiform ascospores and holoblastic-denticulate or tretic conidiogenesis. Revised Ceratostomella spp. with persistent asci are listed and the taxonomic status of each species is re-evaluated based on revision of the holotype and other representative material, published details and available phylogenetic data.
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Chen WM, Su CL, Sheu SY. Flavobacterium lacunae sp. nov., isolated from a freshwater pond. Int J Syst Evol Microbiol 2017; 67:875-882. [PMID: 29162201 DOI: 10.1099/ijsem.0.001693] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel bacterial strain AHQ-46T was isolated from a freshwater lake in Taiwan. The strain was Gram-stain-negative, strictly aerobic, motile by gliding, rod-shaped and formed translucent yellow colonies. Optimal growth occurred at 20-25 °C, pH 7.0, and in the absence of NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain AHQ-46T belonged to the genus Flavobacterium and was most closely related to Flavobacterium verecundum TTM-46T with a sequence similarity of 95.8 %. Strain AHQ-46T contained iso-C15 : 1 G, iso-C15 : 0, summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c) and iso-C17 : 0 3-OH as the predominant fatty acids. The polar lipid profile consisted of phosphatidylethanolamine and several uncharacterized aminophospholipids and phospholipids. The major polyamine was homospermidine. The major isoprenoid quinone was MK-6. The DNA G+C content of the genomic DNA was 32.1 mol%. Differential phenotypic properties, together with the phylogenetic inference, demonstrate that strain AHQ-46T should be classified as a representative of a novel species of the genus Flavobacterium, for which the name Flavobacterium lacunae sp. nov. is proposed. The type strain is AHQ-46T (=BCRC 80889T=LMG 28710T).
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Abstract
The taxonomy of the coelomycetes has undergone dramatic changes in recent years, but remains controversial due to the high number of taxa involved, their poor morphological differentiation, the rare occurrence of the sexual morphs, and rapid loss of fertility in vitro. In the present study, we revisited the families Cucurbitariaceae and Didymellaceae (Pleosporales, Dothideomycetes), which include numerous plant pathogens, endophytic species associated with a wide host range, and saprobes. The taxonomy of two of the most relevant genera, i.e. Phoma and Pyrenochaeta, remains ambiguous after several phylogenetic studies, and needs further revision. We have studied a total of 143 strains of coelomycetes from clinical or environmental origin, by combining the LSU, ITS, tub2 and rpb2 sequences for a multi-locus analysis and a detailed morphological comparison. The resulting phylogenetic tree revealed that some fungi previously considered as members of Cucurbitariaceae represented five different families, and four of them, Neopyrenochaetaceae, Parapyrenochaetaceae, Pseudopyrenochaetaceae and Pyrenochaetopsidaceae, are proposed here as new. Furthermore, 13 new genera, 28 new species, and 20 new combinations are proposed within the Pleosporineae. Moreover, four new typifications are introduced to stabilise the taxonomy of these fungi.
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Key Words
- Allocucurbitaria Valenzuela-Lopez, Stchigel, Guarro & Cano
- Allocucurbitaria botulispora Valenzuela-Lopez, Stchigel, Guarro & Cano
- Allophoma cylindrispora Valenzuela-Lopez, Cano, Guarro & Stchigel
- Cu. pneumoniae Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- Cucurbitariaceae
- Cumuliphoma Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- Cumuliphoma indica Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Cumuliphoma omnivirens (Aveskamp et al.) Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- D. keratinophila Valenzuela-Lopez, Cano, Guarro & Stchigel
- Didymella brunneospora Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Didymellaceae
- Ec. pomi (Horne) Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Ectophoma Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Ectophoma multirostrata (P.N. Mathur et al.) Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Ep. keratinophilum Valenzuela-Lopez, Cano, Guarro & Stchigel
- Ep. ovisporum Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- Ep. pneumoniae Valenzuela-Lopez, Stchigel, Guarro & Cano
- Epicoccum catenisporum Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- Epicoccum proteae (Crous) Valenzuela-Lopez, Stchigel, Crous, Guarro & Cano
- Juxtiphoma Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Juxtiphoma eupyrena (Sacc.) Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Multigene phylogeny
- Neoa. tardicrescens Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Neoascochyta cylindrispora Valenzuela-Lopez, Cano, Guarro & Stchigel
- Neocu. hakeae (Crous) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neocu. irregularis Valenzuela-Lopez, Cano, Guarro & Stchigel
- Neocu. keratinophila (Verkley et al.) Valenzuela-Lopez, Stchigel, Guarro & Cano
- Neocucurbitaria aquatica Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neocucurbitaria cava (Schulzer) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopy. inflorescentiae (Crous et al.) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopy. telephoni (Rohit Sharma et al.) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopyrenochaeta Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopyrenochaeta acicola (Moug. & Lév.) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopyrenochaeta fragariae Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Neopyrenochaetaceae Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Neopyrenochaetopsis Valenzuela-Lopez, Cano, Guarro & Stchigel
- Neopyrenochaetopsis hominis Valenzuela-Lopez, Cano, Guarro & Stchigel
- New taxa
- Nothophoma variabilis Valenzuela-Lopez, Cano, Guarro & Stchigel
- Paracucurbitaria Valenzuela-Lopez, Stchigel, Guarro & Cano
- Paracucurbitaria corni (Bat. & A.F. Vital) Valenzuela-Lopez, Stchigel, Guarro & Cano
- Paracucurbitaria italica Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Parapy. protearum (Crous) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Parapyrenochaeta Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Parapyrenochaeta acaciae (Crous et al.) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Parapyrenochaetaceae Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Phoma
- Pleosporales
- Pleosporineae
- Pseudopyrenochaeta Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Pseudopyrenochaeta lycopersici (R.W. Schneid. & Gerlach) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Pseudopyrenochaeta terrestris Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Pseudopyrenochaetaceae Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Py. botulispora Valenzuela-Lopez, Cano, Guarro & Stchigel
- Py. confluens Valenzuela-Lopez, Cano, Guarro & Stchigel
- Py. globosa Valenzuela-Lopez, Cano, Guarro & Stchigel
- Py. paucisetosa Valenzuela-Lopez, Cano, Guarro & Stchigel
- Py. setosissima Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Py. uberiformis Valenzuela-Lopez, Cano, Guarro & Stchigel
- Pyrenochaeta
- Pyrenochaetopsidaceae Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Pyrenochaetopsis
- Pyrenochaetopsis americana Valenzuela-Lopez, Cano, Guarro & Stchigel
- Remotididymella Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Remotididymella anthropophila Valenzuela-Lopez, Cano, Guarro & Stchigel
- Remotididymella destructiva (Plowr.) Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Similiphoma Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Similiphoma crystallifera (Gruyter et al.) Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Taxonomy
- Vacuiphoma Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Vacuiphoma bulgarica (Aveskamp et al.) Valenzuela-Lopez, Cano, Crous, Guarro & Stchigel
- Vacuiphoma oculihominis Valenzuela-Lopez, Stchigel, Guarro & Cano
- Xenodidymella saxea (Aveskamp et al.) Valenzuela-Lopez, Crous, Cano, Guarro & Stchigel
- Xenopyrenochaetopsis Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
- Xenopyrenochaetopsis pratorum (P.R. Johnst. & Boerema) Valenzuela-Lopez, Crous, Stchigel, Guarro & Cano
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Bocek M, Bocak L. The comparison of molecular and morphology-based phylogenies of trichaline net-winged beetles (Coleoptera: Lycidae: Metriorrhynchini) with description of a new subgenus. PeerJ 2017; 5:e3963. [PMID: 29085759 PMCID: PMC5657417 DOI: 10.7717/peerj.3963] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/05/2017] [Indexed: 01/25/2023] Open
Abstract
Separate morphological and molecular phylogenetic analyses are presented and the classification of trichaline net-winged beetles is revised. The clade, earlier given a subfamily, tribe or subtribe rank, is a terminal lineage in Metriorrhynchina and contains DiatrichalusKleine, 1926, EniclasesWaterhouse, 1879, Flabellotrichalus Pic, 1921, Lobatang Bocak, 1998, Microtrichalus Pic, 1921, SchizotrichalusKleine, 1926, and TrichalusWaterhouse, 1877. Maibrius subgen. nov. is proposed in Flabellotrichalus with the type-species Flabellotrichalus (Maibrius) horaki sp. nov. Unlike previous studies, Lobatang is included in the trichaline clade. Further, SpinotrichalusKazantsev, 2010, stat. nov. is down-ranked to the subgenus in Lobatang Bocak, 1998 and a new combination, Lobatang (Spinotrichalus) telnovi (Kazantsev, 2010) comb. nov., is proposed. The morphology does not provide a sufficient support for robust phylogeny due to the intrageneric variability of most phenotypic traits and the limited number of characters supporting deep relationships. Most morphological generic diagnoses must be based on the shape of male genitalia. Other characters, such as the shapes of pronotum and antennae are commonly variable within genera. The fronto-lateral pronotal ridges of Eniclases + Schizotrichalus resemble the ancestral condition in Metriorrhynchini and they re-evolved in the terminal clade and do not indicate the early split of Eniclases + Schizotrichalus from other trichaline genera. The evolution of morphological traits and the conflict in the morphological and molecular phylogenetic signal are discussed in details. We suggest that the general appearance is affected by the evolution of mimetic complexes, the patterns of elytral costae by their strengthening function, and the presence of flabellate antennae by their role in sexual communication. Then, similar phenotypic traits evolve in unrelated lineages. The results demonstrate that phylogenetic classification must be based on all available information because neither morphological traits nor DNA data robustly support all recovered relationships.
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Sheu SY, Xie PB, Sheu C, Chen WM. Salsuginimonas clara gen. nov., sp. nov., a member of the family Pseudoalteromonadaceae isolated from a brackish river. Int J Syst Evol Microbiol 2017; 67:4747-4753. [PMID: 28984553 DOI: 10.1099/ijsem.0.002371] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A bacterial strain designated LSN-49T was isolated from a brackish river in Taiwan and characterized using a polyphasic taxonomy approach. Cells of strain LSN-49T were Gram-staining-negative, aerobic, poly-β-hydroxybutyrate accumulating, motile by means of a monopolar flagellum, non-spore forming, straight rods and formed shiny and translucent colonies. Growth occurred at 20-40 °C (optimum, 25-30 °C), at pH 6-10 (optimum, pH 7-8) and with 0-3 % (w/v) NaCl [optimum, 0-1 % (w/v)]. The predominant fatty acids were summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c), C17 : 1ω8c and C16 : 0. The polar lipid profile consisted of a mixture of phosphatidylethanolamine (PE), phosphatidylglycerol (PG), phosphatidylcholine, (PC), two uncharacterized aminophospholipids (APL1 and APL2), one uncharacterized glycolipid (GL1), four uncharacterized phospholipids (PL1-PL4) and four uncharacterized lipids (L1-L4). The major polyamine was putrescine. The major isoprenoid quinone was Q-8 and the DNA G+C content was 51.0 mol%. The results of phylogenetic analyses based on 16S rRNA gene sequences indicated that LSN-49T formed a distinct lineage with respect to closely related genera in the family Pseudoalteromonadaceae. LSN-49T was most closely related to Pseudoalteromonas, Algicola and Psychrosphaera and showed 89.3-92.1 % sequence similarity with members of the family Pseudoalteromonadaceae with validly published names. On the basis of the genotypic and phenotypic data, LSN-49T represents a novel genus and species of the family Pseudoalteromonadaceae, for which the name Salsuginimonas clara gen. nov., sp. nov. is proposed. The type strain is LSN-49T (=BCRC 81005T=LMG 29726T=KCTC 52439T).
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Fraussen K, Sellanes J, Stahlschmidt P. The South American radiation of Jerrybuccinum (Gastropoda, Buccinidae), with a new deep-water species from Chile. Zookeys 2014:61-70. [PMID: 24899844 PMCID: PMC4042690 DOI: 10.3897/zookeys.409.7194] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 04/17/2014] [Indexed: 11/19/2022] Open
Abstract
A new deep water species from off the Chilean coast, Jerrybuccinum kantorisp. n., is described. The animal is equipped with a large statocyst. Kryptos explorator Fraussen & Sellanes, 2008 from off Concepción is found to be congeneric and transferred to the genus Jerrybuccinum. Differences in size and sculpture serve to distinguish the new species from J. explorator. Both Chilean species are associated with methane seep or low oxygen environments. They are compared with J. malvinense Kantor & Pastorino, 2009 and two still unnamed species from the Falkland Plateau.
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