Journal of Phycology

Cover image for Vol. 50 Issue 6

Edited By: Debashish Bhattacharya, Michael Graham, Arthur Grossman, Jonathan Zehr

Impact Factor: 2.529

ISI Journal Citation Reports © Ranking: 2013: 17/102 (Marine & Freshwater Biology); 50/196 (Plant Sciences)

Online ISSN: 1529-8817

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  • Eukaryotic pathogens (Chytridiomycota and Oomycota) infecting marine microphytobenthic diatoms – a methodological comparison

    Eukaryotic pathogens (Chytridiomycota and Oomycota) infecting marine microphytobenthic diatoms – a methodological comparison

    Examples of diatoms infected by different chytrids found in the Solthörn tidal flat. Samples were prepared as described in the methods & material part, using the modified CW method. Black bars indicate 10 μm. Pictures A, B, E and F were taken under fluorescence light, whereas for C and D usual visible light was used. (A) Cylindrotheca closterium/chytrid type II; (B) Amphora exigua/chytrid type IV; (C) Navicula digitoradiata/chytrid type III; (D) Achnanthes brevipes/chytrid type V; (E) Navicula gregaria/chytrid type I; (F) Diploneis didyma/chytrid type II.

  • Five Cyanophora (Cyanophorales, Glaucophyta) species delineated based on morphological and molecular data

    Five Cyanophora (Cyanophorales, Glaucophyta) species delineated based on morphological and molecular data

    Field-emission scanning electron microscope images of the dorsal and ventral sides of vegetative cells of five Cyanophora species. All images are at the same magnification; scale bar = 5 μm. Upper and lower panels show dorsal sides, showing fenestrations aligned by ridges, and ventral sides, showing anterior folds with flagella, respectively. Note the flagella attached to the right part of the anterior fold. (A and F) C. paradoxa Korshikov strain CCAP 981/1, with a rounded posterior end. (B and G) C. cuspidata Tos.Takah. & Nozaki sp. nov. strain 101, showing a pointed posterior end. (C and H) C. kugrensii Tos.Takah. & Nozaki sp. nov. strain NIES-763, with a rounded posterior end. (D and I) C. sudae Tos.Takah. & Nozaki sp. nov. strain NIES-764, showing a deep furrow (I). (E and J) C. biloba Kugrens, B.L.Clay, C.J.Mey. & R.E.Lee strain UTEX 2766, showing a deep furrow (J).

  • Selective feeding and foreign plastid retention in an Antarctic dinoflagellate

    Selective feeding and foreign plastid retention in an Antarctic dinoflagellate

    DIC light micrograph of a living RSD cell that had been cultured in the absence of Phaeocystis antarctica prey for 22 months.

  • Reassessment of the cyanobacterial family Microchaetaceae and establishment of new families Tolypothrichaceae and Godleyaceae

    Reassessment of the cyanobacterial family Microchaetaceae and establishment of new families Tolypothrichaceae and Godleyaceae

    Tolypothrix. True Tolypothrix (a–c). T. tenuis CCALA 197 – characteristic branching for whole family (a); T. distorta ACOI 730 – branching (b) and terminal cell (c); “Tolypothrix” sensu Bergey′s Manual (2001) (d–h); Tolypothrix sp. PCC 7504 (d, e); Tolypothrix sp. PCC 7415 (f-h). Differences in terminal cells are marked with arrowheads, resting cells are marked with an arrow.

  • Toward an inordinate fondness for stars, beetles and Lobophora? Species diversity of the genus Lobophora (Dictyotales, Phaeophyceae) in New Caledonia

    Toward an inordinate fondness for stars, beetles and Lobophora? Species diversity of the genus Lobophora (Dictyotales, Phaeophyceae) in New Caledonia

    (a–l) External morphology of New Caledonian Lobophora species. For new species the picture represents the holotype. (a) L. gibbera; (b) L. crassa; (c) L. densa; (d) L. abscondita; (e) L. abaculusa; (f) L. monticola; (g) L. undulata; (h) L. hederacea; (i) L. rosacea; (j) L. rosacea; (k) L. dimorpha; (l) L. dimorpha; (m) L. pachyventera; (n) L. petila; (o) L. nigrescens s.l..

  • Ailadinium reticulatum gen. et sp. nov. (Dinophyceae), a New Thecate, Marine, Sand-Dwelling Dinoflagellate from the Northern Red Sea

    Ailadinium reticulatum gen. et sp. nov. (Dinophyceae), a New Thecate, Marine, Sand‐Dwelling Dinoflagellate from the Northern Red Sea

    Light micrographs of Ailadinium reticulatum gen. et sp. nov. from field samples. (a–d) Bright field (BF) micrographs: (a) Ventral view, focus in the cell middle plane, showing numerous chloroplasts, two small pusules (p), and asymmetrical antapical spine (arrowhead). (b) Dorsal view, focus in the cell surface. Note the deeply indented cingulum and numerous colored and colorless globules in the cytoplasm. (c and d) Dorsal view, focus in the cell middle plane, showing numerous chloroplasts, pusules (p), nucleus (n) and four pyrenoids at the periphery of the cell (arrowheads). (e and f) Differential interference contrast (DIC): (e) Ventral view showing the thecal ornamentation and asymmetrical antapical spine (arrowhead). (f) Dorsal view showing the thecal ornamentation. (g–i) Cells stained with DAPI and illuminated with UV light, showing nucleus (n), arrowheads point pyrenoids. (j) Cell illuminated with UV light, showing the chlorophyll autofluoresecence. Scale bar, 10 μm.

  • Eukaryotic pathogens (Chytridiomycota and Oomycota) infecting marine microphytobenthic diatoms – a methodological comparison
  • Five Cyanophora (Cyanophorales, Glaucophyta) species delineated based on morphological and molecular data
  • Selective feeding and foreign plastid retention in an Antarctic dinoflagellate
  • Reassessment of the cyanobacterial family Microchaetaceae and establishment of new families Tolypothrichaceae and Godleyaceae
  • Toward an inordinate fondness for stars, beetles and Lobophora? Species diversity of the genus Lobophora (Dictyotales, Phaeophyceae) in New Caledonia
  • Ailadinium reticulatum gen. et sp. nov. (Dinophyceae), a New Thecate, Marine, Sand‐Dwelling Dinoflagellate from the Northern Red Sea

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