Project Summary
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Crown Rust Fungi with Short Lifecycles – the Puccinia Mesnieriana Species Complex
DOI 10.12905/0380.sydowia71-2019-0047 Published online 6 June 2019 Crown rust fungi with short lifecycles – the Puccinia mesnieriana species complex Sarah Hambleton1,*, Miao Liu1,*, Quinn Eggertson1, Sylvia Wilson1**, Julie Carey1, Yehoshua Anikster2 & James A. Kolmer3 1 Biodiversity and Bioresources, Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, ON K1A 0C6, Canada. 2 Institute for Cereal Crops Improvement, George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 69978, Israel. 3 USDA-ARS Cereal Disease Laboratory, St. Paul, MN 55108, USA * e-mails: [email protected]; [email protected] ** Current address: Ottawa Plant Laboratory (Fallowfield) - Plant Pathology, Canadian Food Inspection Agency, Nepean ON K2H 8P9 Canada Hambleton S., Liu M., Eggertson Q., Wilson S., Carey J., Anikster Y. & Kolmer J.A. (2019) Crown rust fungi with short lifecy- cles – the Puccinia mesnieriana species complex. – Sydowia 71: 47–63. The short lifecycle rust species Puccinia mesnieriana produces telia and teliospores on buckthorns (Rhamnus spp.) that are similar to those produced by the crown rust fungi (Puccinia series Coronata) on oats and grasses. The morphological similarity of these fungi led to hypotheses of their close relationship as correlated species. Phylogenetic analyses based on ITS2 and partial 28S nrDNA regions and the cytochrome oxidase subunit I (COI) revealed that P. mesnieriana was a species complex comprising four lineages within P. ser. Coronata. Each lineage was recognized as a distinct species with differentiating morphological char- acteristics, host associations and geographic distribution. Puccinia mesnieriana was restricted to a single specimen from Portu- gal that was morphologically similar to and shared the same provenance as the type specimen of the species, which was not se- quenced. -
For Review Only 377 Algomyces Stechlinensis Clustered Together with Environmental Clones from a Eutrophic 378 Lake in France (Jobard Et Al
Journal of Eukaryotic Microbiology Page 18 of 43 1 Running head: Parasitic chytrids of volvocacean algae. 2 3 Title: Diversity and Hidden Host Specificity of Chytrids infecting Colonial 4 Volvocacean Algae. 5 Authors: Silke Van den Wyngaerta, Keilor Rojas-Jimeneza,b, Kensuke Setoc, Maiko Kagamic, 6 Hans-Peter Grossarta,d 7 a Department of ExperimentalFor Limnology, Review Leibniz-Institute Only of Freshwater Ecology and Inland 8 Fisheries, Alte Fischerhuette 2, D-16775 Stechlin, Germany 9 b Universidad Latina de Costa Rica, Campus San Pedro, Apdo. 10138-1000, San Jose, Costa Rica 10 c Department of Environmental Sciences, Faculty of Science, Toho University, Funabashi, Chiba, 11 Japan 12 d Institute of Biochemistry and Biology, Potsdam University, Maulbeerallee 2, 14476 Potsdam, 13 Germany 14 15 Corresponding Author: 16 Silke Van den Wyngaert, Department of Experimental Limnology, Leibniz-Institute of 17 Freshwater Ecology and Inland Fisheries, Alte Fischerhuette 2, D-16775 Stechlin, Germany 18 Telephone number: +49 33082 69972; Fax number: +49 33082 69917; e-mail: [email protected], 19 [email protected] 20 21 22 23 1 Page 19 of 43 Journal of Eukaryotic Microbiology 24 ABSTRACT 25 Chytrids are zoosporic fungi that play an important, but yet understudied, ecological role in 26 aquatic ecosystems. Many chytrid species have been morphologically described as parasites on 27 phytoplankton. However, the majority of them have rarely been isolated and lack DNA sequence 28 data. In this study we isolated and cultivated three parasitic chytrids, infecting a common 29 volvocacean host species, Yamagishiella unicocca. In order to identify the chytrids, we 30 characterized morphology and life cycle, and analyzed phylogenetic relationships based on 18S 31 and 28S rDNA genes. -
Downloaded from by IP: 199.133.24.106 On: Mon, 18 Sep 2017 10:43:32 Spatafora Et Al
UC Riverside UC Riverside Previously Published Works Title The Fungal Tree of Life: from Molecular Systematics to Genome-Scale Phylogenies. Permalink https://escholarship.org/uc/item/4485m01m Journal Microbiology spectrum, 5(5) ISSN 2165-0497 Authors Spatafora, Joseph W Aime, M Catherine Grigoriev, Igor V et al. Publication Date 2017-09-01 DOI 10.1128/microbiolspec.funk-0053-2016 License https://creativecommons.org/licenses/by-nc-nd/4.0/ 4.0 Peer reviewed eScholarship.org Powered by the California Digital Library University of California The Fungal Tree of Life: from Molecular Systematics to Genome-Scale Phylogenies JOSEPH W. SPATAFORA,1 M. CATHERINE AIME,2 IGOR V. GRIGORIEV,3 FRANCIS MARTIN,4 JASON E. STAJICH,5 and MEREDITH BLACKWELL6 1Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331; 2Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907; 3U.S. Department of Energy Joint Genome Institute, Walnut Creek, CA 94598; 4Institut National de la Recherche Agronomique, Unité Mixte de Recherche 1136 Interactions Arbres/Microorganismes, Laboratoire d’Excellence Recherches Avancés sur la Biologie de l’Arbre et les Ecosystèmes Forestiers (ARBRE), Centre INRA-Lorraine, 54280 Champenoux, France; 5Department of Plant Pathology and Microbiology and Institute for Integrative Genome Biology, University of California–Riverside, Riverside, CA 92521; 6Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803 and Department of Biological Sciences, University of South Carolina, Columbia, SC 29208 ABSTRACT The kingdom Fungi is one of the more diverse INTRODUCTION clades of eukaryotes in terrestrial ecosystems, where they In 1996 the genome of Saccharomyces cerevisiae was provide numerous ecological services ranging from published and marked the beginning of a new era in decomposition of organic matter and nutrient cycling to beneficial and antagonistic associations with plants and fungal biology (1). -
Taxonomic Utility of Old Names in Current Fungal Classification and Nomenclature: Conflicts, Confusion & Clarifications
Mycosphere 7 (11): 1622–1648 (2016) www.mycosphere.org ISSN 2077 7019 Article – special issue Doi 10.5943/mycosphere/7/11/2 Copyright © Guizhou Academy of Agricultural Sciences Taxonomic utility of old names in current fungal classification and nomenclature: Conflicts, confusion & clarifications Dayarathne MC1,2, Boonmee S1,2, Braun U7, Crous PW8, Daranagama DA1, Dissanayake AJ1,6, Ekanayaka H1,2, Jayawardena R1,6, Jones EBG10, Maharachchikumbura SSN5, Perera RH1, Phillips AJL9, Stadler M11, Thambugala KM1,3, Wanasinghe DN1,2, Zhao Q1,2, Hyde KD1,2, Jeewon R12* 1Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand 2Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan China3Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, Guizhou, China 4Engineering Research Center of Southwest Bio-Pharmaceutical Resources, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou Province, China5Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, P.O. Box 34, Al-Khod 123,Oman 6Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, No 9 of ShuGuangHuaYuanZhangLu, Haidian District Beijing 100097, China 7Martin Luther University, Institute of Biology, Department of Geobotany, Herbarium, Neuwerk 21, 06099 Halle, Germany 8Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584CT Utrecht, The Netherlands. 9University of Lisbon, Faculty of Sciences, Biosystems and Integrative Sciences Institute (BioISI), Campo Grande, 1749-016 Lisbon, Portugal. 10Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, 50200, Thailand 11Helmholtz-Zentrum für Infektionsforschung GmbH, Dept. -
SCIENCE CITATION INDEX EXPANDED - JOURNAL LIST Total Journals: 8631
SCIENCE CITATION INDEX EXPANDED - JOURNAL LIST Total journals: 8631 1. 4OR-A QUARTERLY JOURNAL OF OPERATIONS RESEARCH 2. AAPG BULLETIN 3. AAPS JOURNAL 4. AAPS PHARMSCITECH 5. AATCC REVIEW 6. ABDOMINAL IMAGING 7. ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAMBURG 8. ABSTRACT AND APPLIED ANALYSIS 9. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 10. ACADEMIC EMERGENCY MEDICINE 11. ACADEMIC MEDICINE 12. ACADEMIC PEDIATRICS 13. ACADEMIC RADIOLOGY 14. ACCOUNTABILITY IN RESEARCH-POLICIES AND QUALITY ASSURANCE 15. ACCOUNTS OF CHEMICAL RESEARCH 16. ACCREDITATION AND QUALITY ASSURANCE 17. ACI MATERIALS JOURNAL 18. ACI STRUCTURAL JOURNAL 19. ACM COMPUTING SURVEYS 20. ACM JOURNAL ON EMERGING TECHNOLOGIES IN COMPUTING SYSTEMS 21. ACM SIGCOMM COMPUTER COMMUNICATION REVIEW 22. ACM SIGPLAN NOTICES 23. ACM TRANSACTIONS ON ALGORITHMS 24. ACM TRANSACTIONS ON APPLIED PERCEPTION 25. ACM TRANSACTIONS ON ARCHITECTURE AND CODE OPTIMIZATION 26. ACM TRANSACTIONS ON AUTONOMOUS AND ADAPTIVE SYSTEMS 27. ACM TRANSACTIONS ON COMPUTATIONAL LOGIC 28. ACM TRANSACTIONS ON COMPUTER SYSTEMS 29. ACM TRANSACTIONS ON COMPUTER-HUMAN INTERACTION 30. ACM TRANSACTIONS ON DATABASE SYSTEMS 31. ACM TRANSACTIONS ON DESIGN AUTOMATION OF ELECTRONIC SYSTEMS 32. ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS 33. ACM TRANSACTIONS ON GRAPHICS 34. ACM TRANSACTIONS ON INFORMATION AND SYSTEM SECURITY 35. ACM TRANSACTIONS ON INFORMATION SYSTEMS 36. ACM TRANSACTIONS ON INTELLIGENT SYSTEMS AND TECHNOLOGY 37. ACM TRANSACTIONS ON INTERNET TECHNOLOGY 38. ACM TRANSACTIONS ON KNOWLEDGE DISCOVERY FROM DATA 39. ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE 40. ACM TRANSACTIONS ON MODELING AND COMPUTER SIMULATION 41. ACM TRANSACTIONS ON MULTIMEDIA COMPUTING COMMUNICATIONS AND APPLICATIONS 42. ACM TRANSACTIONS ON PROGRAMMING LANGUAGES AND SYSTEMS 43. ACM TRANSACTIONS ON RECONFIGURABLE TECHNOLOGY AND SYSTEMS 44. -
A Higher-Level Phylogenetic Classification of the Fungi
mycological research 111 (2007) 509–547 available at www.sciencedirect.com journal homepage: www.elsevier.com/locate/mycres A higher-level phylogenetic classification of the Fungi David S. HIBBETTa,*, Manfred BINDERa, Joseph F. BISCHOFFb, Meredith BLACKWELLc, Paul F. CANNONd, Ove E. ERIKSSONe, Sabine HUHNDORFf, Timothy JAMESg, Paul M. KIRKd, Robert LU¨ CKINGf, H. THORSTEN LUMBSCHf, Franc¸ois LUTZONIg, P. Brandon MATHENYa, David J. MCLAUGHLINh, Martha J. POWELLi, Scott REDHEAD j, Conrad L. SCHOCHk, Joseph W. SPATAFORAk, Joost A. STALPERSl, Rytas VILGALYSg, M. Catherine AIMEm, Andre´ APTROOTn, Robert BAUERo, Dominik BEGEROWp, Gerald L. BENNYq, Lisa A. CASTLEBURYm, Pedro W. CROUSl, Yu-Cheng DAIr, Walter GAMSl, David M. GEISERs, Gareth W. GRIFFITHt,Ce´cile GUEIDANg, David L. HAWKSWORTHu, Geir HESTMARKv, Kentaro HOSAKAw, Richard A. HUMBERx, Kevin D. HYDEy, Joseph E. IRONSIDEt, Urmas KO˜ LJALGz, Cletus P. KURTZMANaa, Karl-Henrik LARSSONab, Robert LICHTWARDTac, Joyce LONGCOREad, Jolanta MIA˛ DLIKOWSKAg, Andrew MILLERae, Jean-Marc MONCALVOaf, Sharon MOZLEY-STANDRIDGEag, Franz OBERWINKLERo, Erast PARMASTOah, Vale´rie REEBg, Jack D. ROGERSai, Claude ROUXaj, Leif RYVARDENak, Jose´ Paulo SAMPAIOal, Arthur SCHU¨ ßLERam, Junta SUGIYAMAan, R. Greg THORNao, Leif TIBELLap, Wendy A. UNTEREINERaq, Christopher WALKERar, Zheng WANGa, Alex WEIRas, Michael WEISSo, Merlin M. WHITEat, Katarina WINKAe, Yi-Jian YAOau, Ning ZHANGav aBiology Department, Clark University, Worcester, MA 01610, USA bNational Library of Medicine, National Center for Biotechnology Information, -
Occurrence of Non-Obligate Microfungi Inside Lichen Thalli
ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Sydowia Jahr/Year: 2005 Band/Volume: 57 Autor(en)/Author(s): Suryanarayanan Trichur Subramanian, Thirunavukkarasu N., Hariharan G. N., Balaji P. Artikel/Article: Occurrence of non-obligate microfungi inside lichen thalli. 120-130 ©Verlag Ferdinand Berger & Söhne Ges.m.b.H., Horn, Austria, download unter www.biologiezentrum.at Occurrence of non-obligate microfungi inside lichen thalli T. S. Suryanarayanan1, N. Thirunavukkarasu1, G. N. Hariharan2 and P. Balajr 1 Vivekananda Institute of Tropical Mycology, Ramakrishna Mission Vidyapith, Chennai 600 004, India; 2 M S Swaminathan Research Foundation, Taramani, Chennai 600 113, India. Suryanarayanan, T. S., N. Thirunavukkarasu, G. N. Hariharan & P. Balaji (2005): Occurrence of non-obligate microfungi inside lichen thalli. - Sydowia 57 (1): 120-130. Five corticolous lichen species (four foliose and one fruticose) and the leaf and bark tissues of their host trees were screened for the presence of asympto- matic, culturable microfungi. Four isolation procedures were evaluated to identify the most suitable one for isolating the internal mycobiota of lichens. A total of 242 isolates of 21 fungal genera were recovered from 500 thallus segments of the lichens. Different fungi dominated the fungal assemblages of the lichen thalli and the host tissues. An ordination analysis showed that there was little overlap between the fungi of the lichens and those of the host tissues even though, con- sidering their close proximity, they must have been exposed to the same fungal inoculum. This is the first study that compares the microfungal assemblage asso- ciated with lichens with those occurring in their substrates. -
Chytridiomycetes, Chytridiomycota)
VOLUME 5 JUNE 2020 Fungal Systematics and Evolution PAGES 17–38 doi.org/10.3114/fuse.2020.05.02 Taxonomic revision of the genus Zygorhizidium: Zygorhizidiales and Zygophlyctidales ord. nov. (Chytridiomycetes, Chytridiomycota) K. Seto1,2,3*, S. Van den Wyngaert4, Y. Degawa1, M. Kagami2,3 1Sugadaira Research Station, Mountain Science Center, University of Tsukuba, 1278-294, Sugadaira-Kogen, Ueda, Nagano 386-2204, Japan 2Department of Environmental Science, Faculty of Science, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan 3Graduate School of Environment and Information Sciences, Yokohama National University, 79-7, Tokiwadai, Hodogaya, Yokohama, Kanagawa 240- 8502, Japan 4Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Alte Fischerhuette 2, D-16775 Stechlin, Germany *Corresponding author: [email protected] Key words: Abstract: During the last decade, the classification system of chytrids has dramatically changed based on zoospore Chytridiomycota ultrastructure and molecular phylogeny. In contrast to well-studied saprotrophic chytrids, most parasitic chytrids parasite have thus far been only morphologically described by light microscopy, hence they hold great potential for filling taxonomy some of the existing gaps in the current classification of chytrids. The genus Zygorhizidium is characterized by an zoospore ultrastructure operculate zoosporangium and a resting spore formed as a result of sexual reproduction in which a male thallus Zygophlyctis and female thallus fuse via a conjugation tube. All described species of Zygorhizidium are parasites of algae and Zygorhizidium their taxonomic positions remain to be resolved. Here, we examined morphology, zoospore ultrastructure, host specificity, and molecular phylogeny of seven cultures of Zygorhizidium spp. Based on thallus morphology and host specificity, one culture was identified as Z. -
Author's Guidelines 2008.DOC, 1
Author's guidelines 2008.DOC, 1 Author's guidelines Editorial Board of Sydowia General policy Sydowia publishes contributions (reports of original research and reviews) relevant to fungal taxonomy, systematics, evolution, structure, development, ecology, pathology (plants, animals, humans), and biotechnological applica- tions. The official journal language is English. An abstract of no more than 200 words is mandatory for each paper. Submission of a manuscript to the Exe- cutive Editor implies that the results have not been published or submitted for publication elsewhere, except as an abstract. When the authors are in doubt as to the suitability of their papers for Sydowia, the editor of the journal should be consulted before submission of the manuscript. Manuscript preparation A proper and quick processing of your manuscript requires a clean manuscript regarding both its scientific content and its formal presentation. Detailed information on the layout/style conventions recommended for Sydowia is given in the attached file ‘Sydowia_Manuscript_Template.DOC’. When in doubt as for the presentation of special items, please refer to papers recently published in Sydowia. Responsibility The author(s) alone bear full responsibility for the form and contents of their contributions. Submission of a manuscript for publication implies that all authors have agreed to publication of the work. The authors must ensure that the manuscript does not infringe copyrights or property rights. The editors of Sydowia will not bear any responsibility in issues of copyright infringement. Author's guidelines 2008.DOC, 2 Review of the papers All manuscripts are reviewed by two referees and an Associate Editor. In case of doubt, the right to consult additional experts is reserved to the editor. -
Author's Guidelines
Authors guide-lines 2005.DOC, 1 Author's guidelines Editorial Board of Sydowia General policy Sydowia publishes contributions (reports of original research and reviews) relevant to fungal taxonomy, systematics, evolution, structure, development, ecology, pathology (plants, animals, humans), and biotechnological applications. The official journal language is English. An abstract of no more than 200 words is mandatory for each paper. Submission of a manuscript to the Executive Editor implies that the results have not been published or submitted for publication elsewhere, except as an abstract. When the authors are in doubt as to the suitability of their papers for Sydowia, the editor of the journal should be consulted before submission of the manuscript. Manuscript preparation A proper and quick processing of your manuscript requires a clean manuscript regarding both its scientific content and its formal presentation. Detailed information on the layout/style conventions recommended for Sydowia is given in the attached file ‘Sydowia_Manuscript_Template.DOC’. When in doubt as for the presentation of special items, please refer to papers recently published in Sydowia. Responsibility The author(s) alone bear full responsibility for the form and contents of their contributions. Submission of a manuscript for publication implies that all authors have agreed to publication of the work. The authors must ensure that the manuscript does not infringe copyrights or property rights. The editors of Sydowia will not bear any responsibility in issues of copyright infringement. Authors guide-lines 2005.DOC, 2 Review of the papers All manuscripts are reviewed by two referees and an Associate Editor. In case of doubt, the right to consult additional experts is reserved to the editor. -
Autochthonous White Rot Fungi from the Tropical Forest of Colombia for Dye Decolourisation and Ligninolytic Enzymes Production
©Verlag Ferdinand Berger & Söhne Ges.m.b.H., Horn, Austria, download unter www.biologiezentrum.at Autochthonous white rot fungi from the tropical forest of Colombia for dye decolourisation and ligninolytic enzymes production Carolina Arboleda1, Amanda I. MejõÂa1, Ana E. Franco-Molano2, Gloria A. JimeÂnez3, Michel J. Penninckx3 * 1 Grupo Biopolimer, Facultad de QuõÂmica FarmaceÂutica, Universidad de Antioquia, A.A. 1226, MedellõÂn, Colombia 2 Grupo de TaxonomõÂa y EcologõÂa de Hongos, Instituto de BiologõÂa, Universidad de Antioquia A.A. 1226, MedellõÂn, Colombia 3 Laboratoire de Physiologie et Ecologie Microbienne, Universite Libre de Bruxelles, Belgium Arboleda C., MejõÂa A. I., Franco-Molano A. E., JimeÂnez G. A., Penninckx M. J. (2008) Autochthonous white rot fungi from the tropical forest of Colombia for dye decolourisation and ligninolytic enzymes production. ± Sydowia 60 (2): 165±180. Nineteen different strains of white rot fungi, originating from the tropical forest in Colombia were screened for their ability to decolourise Azure B and Coomassie Blue included in solid media. Collybia plectophyla, Pleurous djamor, Lentinus swartzii, Lentinus crinitus, Pycnoporus sanguineus, Auricularia auricula, Auricularia fuscosuccinea, Oudemansiella canarii, Ganoderma stipitatum and Collybia omphalodes were selected on the basis of this screening. These ten strains were further characterized in liquid medium for decolourisation and production of Laccase, Manganese and Lignin peroxidases. The strains producing best decolour- isation were L. swartzii, L. crinitus, G. stipitatum, and O. canarii. A correlation between dyes decolourisation, laccase and manganese peroxidase production, was shown. Lignin peroxidase was never detected in the cultivation conditions used. Enzyme induction by Mn2+, Ethanol and Cu2+ was studied in more detail for Ganoderma stipitatum, Lentinus crinitus and Lentinus swartzi. -
Clade (Kingdom Fungi, Phylum Chytridiomycota)
TAXONOMIC STATUS OF GENERA IN THE “NOWAKOWSKIELLA” CLADE (KINGDOM FUNGI, PHYLUM CHYTRIDIOMYCOTA): PHYLOGENETIC ANALYSIS OF MOLECULAR CHARACTERS WITH A REVIEW OF DESCRIBED SPECIES by SHARON ELIZABETH MOZLEY (Under the Direction of David Porter) ABSTRACT Chytrid fungi represent the earliest group of fungi to have emerged within the Kingdom Fungi. Unfortunately despite the importance of chytrids to understanding fungal evolution, the systematics of the group is in disarray and in desperate need of revision. Funding by the NSF PEET program has provided an opportunity to revise the systematics of chytrid fungi with an initial focus on four specific clades in the order Chytridiales. The “Nowakowskiella” clade was chosen as a test group for comparing molecular methods of phylogenetic reconstruction with the more traditional morphological and developmental character system used for classification in determining generic limits for chytrid genera. Portions of the 18S and 28S nrDNA genes were sequenced for isolates identified to genus level based on morphology to seven genera in the “Nowakowskiella” clade: Allochytridium, Catenochytridium, Cladochytrium, Endochytrium, Nephrochytrium, Nowakowskiella, and Septochytrium. Bayesian, parsimony, and maximum likelihood methods of phylogenetic inference were used to produce trees based on one (18S or 28S alone) and two-gene datasets in order to see if there would be a difference depending on which optimality criterion was used and the number of genes included. In addition to the molecular analysis, taxonomic summaries of all seven genera covering all validly published species with a listing of synonyms and questionable species is provided to give a better idea of what has been described and the morphological and developmental characters used to circumscribe each genus.