Heterokonta

Gyrista

Belongs within: Heterokonta.Contains: Diatomista, Chrysista, Peronosporomycetes. The Gyrista are a clade of heterokonts in which cells have a helical or double helix/ring system ciliary transition zone. Members include the Ochrophyta, containing the photosynthetic heterokonts. <==Gyrista [Bigyromonada, Bigyromonadea]C-S18 |–Developea [Developayellida, Developayellidae]WES23 | | i. s.: Develorapax marinusWES23 | | Developayella Tong 1995C-S18, KC01 [Developayellaceae, Developayellales] | | `–D.… Continue reading Gyrista

Saprolegniaceae

Belongs within: Peronosporomycetes. The Saprolegniaceae are a family of water moulds exhibiting asexual reproduction via sporangia and sexual reproduction via thick-walled oogonia (Kirk et al. 2001). Water moulds Published 12 November 2015 In the 1970s and 1980s, stocks of salmon and trout around the North Atlantic Ocean took a sizeable hit. Mature fish entering fresh water had… Continue reading Saprolegniaceae

Peronosporomycetes

Belongs within: Gyrista.Contains: Peronosporidae, Saprolegniaceae. The Peronosporomycetes, water moulds, are a lineage of fungus-like micro-organisms with heterokont zoospores and cellulose walls (Kirk et al. 2001). Characters (Kirk et al. 2001, as Oomycota): Aquatic or terrestrial, freshwater or marine, saprobic or parasitic; thallus unicellular to mycelial (hyphae coenocytic), mainly aseptate; assimilative phase diploid; zoospores with unequal flagella, a tinsel one diverted with… Continue reading Peronosporomycetes

Labyrinthulomycetes

Belongs within: Heterokonta. The Labyrinthulomycetes, slime nets, are a group of mostly aquatic protists producing a network of anastomosing filaments. This network is produced by a specialised organelle, the bothrosome. Slime nets: another group of not-fungi Published 10 March 2008 Labyrinthuleans, commonly referred to as ‘slime nets’ are one of those organisms that, being neither… Continue reading Labyrinthulomycetes

Peronosporidae

Belongs within: Peronosporomycetes.Contains: Peronosporaceae, Pythiaceae. The Peronosporidae are a section of water moulds exhibiting a characteristic periplasmic pattern of oogenesis. <==Peronosporidae [Peronosporomycetidae]C-SC06 |–PeronosporalesC-SC06 | | i. s.: Dicksonomyces Thirum., Rao & Salam 1957KC01 | |–PeronosporaceaeKC01 | `–Albugo (Pers.) Roussel 1806 [incl. Cystopus Lév. 1847; Albuginaceae]KC01 | |–A. candidaKC01 | |–A. evolvuliSB72 | |–A. ipomoeae-penduranaeSB72 | |–A. laibachiiTS25… Continue reading Peronosporidae

Belongs within: Sar.Contains: Labyrinthulomycetes, Gyrista, Opalinata. The Heterokonta are a diverse clade of eukaryotes in which motile cells typically bear two dissimilar cilia, the anterior cilium bearing mastigonemes and the posterior being smooth (Adl et al. 2019). Characters (Adl et al. 2019, as Stramenopiles): Motile cells typically biciliate, typically with heterokont ciliation—anterior cilium with tripartite mastigonemes in two opposite rows and a… Continue reading Heterokonta

Xanthophyceae

Belongs within: Chrysista. The Xanthophyceae, yellow-green algae, are a group of algae found primarily in fresh water with smaller numbers of species in soil or marine habitats. Representatives include both unicellular and filamentous forms. The Vaucheriaceae grow as siphonous filaments and produce elaborate reproductive structures as antheridia and oogonia (Adl et al. 2012). Characters (Adl et al.… Continue reading Xanthophyceae