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#ISEPpapers 5: Summer 2019

Updated: Mar 11

Your fifth digest of papers and preprints published by members of the International Society for Evolutionary Protistology is here. Do you like your ISEPpapers as fresh as possible? Join our Facebook group or follow us on Twitter. Enjoy!



Single-cell genomics unveiled a cryptic cyanobacterial lineage with a worldwide distribution hidden by a dinoflagellate host. Takuro Nakayama, Mami Nomura, Yoshihito Takano, Goro Tanifuji, Kogiku Shiba, Kazuo Inaba, Yuji Inagaki, and Masakado Kawata. Read.





A Genetically Tractable, Natural Mouse Model of Cryptosporidiosis Offers Insights into Host Protective Immunity. Adam Sateriale, Jan Šlapeta, Rodrigo Baptista, Julie B. Engiles, Jodi A. Gullicksrud, Gillian T. Herbert, Carrie F. Brooks, Emily M. Kugler, Jessica C. Kissinger, Christopher A. Hunter, Boris Striepen. Read.








Microbial Eukaryotes in Oil Sands Environments: Heterotrophs in the Spotlight. Elisabeth Richardson and Joel B. Dacks. Read.












Mesocosm and Microcosm Experiments On the Feeding of Temperate Salt Marsh Foraminifera. Jennifer L. Frail-Gauthier, Peta J. Mudie, Alastair G. B. Simpson, David B. Scott. Read.










PhyloMagnet: Fast and accurate screening of short-read meta-omics data using gene-centric phylogenetics. Max E. Schön, Laura Eme, Thijs J.G. Ettema. Read.










An enigmatic catalase of Blastocrithidia. Claretta Bianchi, Alexei Yu. Kostygov, Natalya Kraevaa, Kristína Záhonová, Eva Horáková, Roman Sobotka, Julius Lukeš, Vyacheslav Yurchenko. Read.






High Prevalence and Endemism of Trypanosomatids on a Small Caribbean Island. Jan Votýpka, Petr Kment, Eva Kriegová, Mark J. A. Vermeij, Patrick J. Keeling, Vyacheslav Yurchenko, Julius Lukeš. Read.

















Phylogeny, Evidence for a Cryptic Plastid, and Distribution of Chytriodinium Parasites (Dinophyceae) Infecting Copepods. Jürgen F.H. Strassert, Elisabeth Hehenberger, Javier del Campo, Noriko Okamoto, Martin Kolisko, Thomas A. Richards, Alexandra Z. Worden, Alyson E. Santoro, Patrick J. Keeling. Read.




Two New Marine Species of Placopus (Vampyrellida, Rhizaria) That Perforate the Theca of Tetraselmis (Chlorodendrales, Viridiplantae). Kira More, Alastair G.B. Simpson, Sebastian Hess. Read.













A Non‐Flagellated Member of the Myxogastria and Expansion of the Echinosteliida. Anna Maria Fiore‐Donno, Alexander K. Tice, Matthew W. Brown. Read.









Validation of a universal set of primers to study animal‐associated microeukaryotic communities. Javier del Campo, Maria J. Pons, Maria Herranz, Kevin C. Wakeman, Juana del Valle, Mark J. A. Vermeij, Brian S. Leander, Patrick J. Keeling. Read.








Dinoflagellates with relic endosymbiont nuclei as novel models for elucidating organellogenesis. Chihiro Sarai, Goro Tanifuji, Takuro Nakayama, Ryoma Kamikawa, Kazuya Takahashi, Hideaki Miyashita, Ken-ichiro Ishida, Mitsunori Iwataki, Yuji Inagaki. Read.






Symbionts of the ciliate Euplotes: diversity, patterns and potential as models for bacteria–eukaryote endosymbioses. Vittorio Boscaro, Filip Husnik, Claudia Vannini, and Patrick J. Keeling. Read.







Causes and Effects of Loss of Classical Nonhomologous End Joining Pathway in Parasitic Eukaryotes. Anna Nenarokova, Kristína Záhonová, Marija Krasilnikova, Ondřej Gahura, Richard McCulloch, Alena Zíková, Vyacheslav Yurchenko, Julius Lukeš. Read.







Non-photosynthetic predators are sister to red algae. Ryan M. R. Gawryluk, Denis V. Tikhonenkov, Elisabeth Hehenberger, Filip Husnik, Alexander P. Mylnikov & Patrick J. Keeling. Read.









Nephromyces represents a diverse and novel lineage of the Apicomplexa that has retained apicoplasts. Sergio A Muñoz-Gómez, Keira Durnin, Laura Eme, Christopher Paight, Christopher E Lane, Mary B Saffo, Claudio H Slamovits. Read.








The Symbiotic Spectrum: Where Do the Gregarines Fit? Sonja Rueckert, Emma L. Betts, Anastasios D. Tsaousis. Read.





Dictyochophyceae Plastid Genomes Reveal Unusual Variability in Their Organization. Kwi Young Han, Kacper Maciszewski, Louis Graf, Ji Hyun Yang, Robert A. Andersen, Anna Karnkowska, Hwan Su Yoon. Read.



The Oxymonad Genome Displays Canonical Eukaryotic Complexity in the Absence of a Mitochondrion. Anna Karnkowska, Sebastian C Treitli, Ondřej Brzoň, Lukáš Novák, Vojtěch Vacek, Petr Soukal, Lael D Barlow, Emily K Herman, Shweta V Pipaliya, Tomáš Pánek, David Žihala, Romana Petrželková, Anzhelika Butenko, Laura Eme, Courtney W Stairs, Andrew J Roger, Marek Eliáš, Joel B Dacks, Vladimír Hampl. Read.







Genetic tool development in marine protists: Emerging model organisms for experimental cell biology. Drahomíra Faktorová et al. Read.









A new marine prasinophyte genus alternates between a flagellate and a dominant benthic stage with microrhizoids for adhesion. Richard Wetherbee, Vanessa R. Marcelino, Joana F. Costa, Brenna Grant, Simon Crawford, Ross F. Waller, Robert A. Andersen, Drew Berry, Geoffrey I. McFadden, Heroen Verbruggen. Read.












The Biochemistry and Evolution of the Dinoflagellate Nucleus. Sebastian G. Gornik, Ian Hu, Imen Lassadi, Ross F. Waller. Read.











Genomics reveals alga-associated cyanobacteria hiding in plain sight. John M. Archibald. Read.














Mitochondrion-Related Organelles in Free-Living Protists. Michelle M. Leger, Martin Kolísko, Courtney W. Stairs, Alastair G. B. Simpson. Read.








Organisms Without Mitochondria, How It May Happen? Vladimír Hampl. Read.










A kleptoplastidic dinoflagellate and the tipping point between transient and fully integrated plastid endosymbiosis. Elisabeth Hehenberger, Rebecca J. Gast, and Patrick J. Keeling. Read.












Progress towards the Tree of Eukaryotes. Patrick J. Keeling, Fabien Burki. Read.














There Is Treasure Everywhere: Reductive Plastid Evolution in Apicomplexa in Light of Their Close Relatives. Eric D. Salomaki, Martin Kolisko. Read.










Multiple Independent Origins of Apicomplexan-Like Parasites. Varsha Mathur, Martin Kolísko, Elisabeth Hehenberger, Nicholas A.T.Irwin, Brian S. Leander, Árni Kristmundsson, Mark A. Freeman, Patrick J. Keeling. Read.




Morphology, Morphogenesis, and Phylogeny of Urosoma caudata (Ehrenberg, 1833) Berger, 1999 (Ciliophora, Hypotrichia) based on a Chinese Population. Wenxin Xu, Yan Zhao, Bo Pan, Yongqiang Liu, Yuan Li, William A. Bourland, Xiaotian Luo. Read.





Phylogenetic Estimation of Community Composition and Novel Eukaryotic Lineages in Base Mine Lake: An Oil Sands Tailings Reclamation Site in Northern Alberta. Elisabeth Richardson David Bass Angela Smirnova Lucas Paoli Peter Dunfield Joel B. Dacks. Read.









Should I stay or should I go? Retention and loss of components in vestigial endosymbiotic organelles. Kacper Maciszewski, Anna Karnkowska. Read.








Ecological and evolutionary patterns in the enigmatic protist genus Percolomonas (Heterolobosea; Discoba) from diverse habitats. Denis V. Tikhonenkov, Soo Hwan Jhin, Yana Eglit, Kai Miller, Andrey Plotnikov, Alastair G. B. Simpson, Jong Soo Park. Read.










The fate of obligate endosymbionts: reduction, integration, or extinction. Filip Husnik, Patrick J. Keeling. Read.








Accessing Cryptosporidium Omic and Isolate Data via CryptoDB.org. Susanne Warrenfeltz, Jessica C. Kissinger, On Behalf of the EuPathDB Team. Read.






An essential pentatricopeptide repeat protein in the apicomplexan remnant chloroplast. Joanna L. Hicks, Imen Lassadi, Emma F. Carpenter, Madeleine Eno, Alexandros Vardakis, Ross F. Waller, Christopher J. Howe, R. Ellen R. Nisbet. Read.




Phylogeny of the ciliate family Psilotrichidae (Protista, Ciliophora), a curious and poorly-known taxon, with notes on two algae-bearing psilotrichids from Guam, USA. Xiaotian Luo, Jie A. Huang, Lifang Li, Weibo Song & William A. Bourland. Read.












Revealing the metabolic capacity of Streblomastix strix and its bacterial symbionts using single-cell metagenomics. Sebastian C. Treitli, Martin Kolisko, Filip Husník, Patrick J. Keeling, and Vladimír Hampl. Read.




Lateral Acquisitions Repeatedly Remodel the Oxygen Detoxification Pathway in Diplomonads and Relatives. Alejandro Jiménez-González, Feifei Xu, Jan O Andersson. Read.

















A Simple and Rapid Cryopreservation Technique for Ciliates: A Long‐Term Storage Procedure Used for Marine Scuticociliates. Yongqiang Liu, Bei Nan, Lili Duan, Ting Cheng, William A. Bourland, Mingjian Liu, Yan Zhao. Read.





Parallel Paths to Parasitism in the Apicomplexa. Sonja Rueckert, Shweta V. Pipaliya, Joel B. Dacks. Read.







Metatranscriptomics reveals unsuspected protistan diversity in leaf litter across temperate beech forests, with Amoebozoa the dominating lineage. Christian Voss, Anna Maria Fiore-Donno, Marco Alexandre Guerreiro, Derek Peršoh, Michael Bonkowski. Read.







An unprecedented combination of metabolic pathways in the cryptic plastid of a non-photosynthetic euglenophyte. Zoltán Füssy, Kristína Záhonová, Aleš Tomčala, Juraj Krajčovič, Vyacheslav Yurchenko, Miroslav Oborník, Marek Eliáš. Read.







Recent gene duplications dominate evolutionary dynamics of adaptor protein complex subunits in embryophytes. Raegan T. Larson, Joel B. Dacks, Lael D. Barlow. Read.







Is reliance on an inaccurate genome sequence sabotaging your experiments? Rodrigo P. Baptista, Jessica C. Kissinger. Read.









The highly diverged trypanosomal MICOS complex is organized in a non‐essential integral membrane and an essential peripheral module. Claudia Eichenberger, Silke Oeljeklaus, Julia Bruggisser, Jan Mani, Beat Haenni, Iosif Kaurov, Moritz Niemann, Benoît Zuber, Julius Lukeš, Hassan Hashimi, Bettina Warscheid, Bernd Schimanski, André Schneider. Read.

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