Heteronema
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Heteronema | |
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Scientific classification | |
Domain: | Eukaryota |
Phylum: | Euglenozoa |
Class: | Euglenida |
Clade: | Anisonemia |
Genus: | Heteronema Dujardin, 1841 |
Heteronema is a genus of
Taxonomy
This genus was first described by Félix Dujardin, a French zoologist in 1841 as having variable shape, then typified in 1970 by Bourelly as an Anisonema.[4] In 1970, Stein modified the description to include cells with two flagella and two new species’ descriptions with one containing ingestion rods.[1] There was difficulty separating this genus from Paranema; however, in 1967 Leedale described Parenema to be different based on a more flattened morphology and a trailing flagellum pressed to the side of the cell compared to Heteronema.[1]
The genus appears to be
List of species
As of May 2023[update], AlgaeBase recognized the following species:[6]
- Heteronema abruptum Skuja
- Heteronema aciforme Z.X.Shi
- Heteronema acus (Ehrenberg) F.Stein
- Heteronema acuta Wawrik
- Heteronema acutissimum Lemmermann
- Heteronema aquae Skvortzov
- Heteronema bifurcata H.Silva
- Heteronema capitatum Z.X.Shi
- Heteronema citriformis Wawrik
- Heteronema diaphanum Skuja
- Heteronema discomorphum Skuja
- Heteronema distigmoides Christen
- Heteronema eneydae Skvortzov
- Heteronema fidalgae Skvortzov
- Heteronema fusiforme Skvortzov
- Heteronema globuliferum (Ehrenberg) F.Stein
- Heteronema hexagonum (Playfair) Skuja
- Heteronema invaginata Prowse
- Heteronema klebsii Senn
- Heteronema leptosomum Skuja
- Heteronema longiovata H.Silva
- Heteronema marina Dujardin
- Heteronema medusae Skvortzov
- Heteronema metabolissimum Wawrik
- Heteronema mutabile (A.Stokes) Lemmermann
- Heteronema nebuloglabrum H.Silva
- Heteronema ovalis Kahl
- Heteronema palmeri Skvortzov
- Heteronema plicatum Skuja
- Heteronema polymorphum Deflandre
- Heteronema proteus Christen
- Heteronema pterbica Schroeckh, W.J.Lee & D.J.Patterson
- Heteronema punctato Skvortzov
- Heteronema robusta Skvortzov
- Heteronema rosae-mariae Skvortzov
- Heteronema sacculus Skuja
- Heteronema saopaulensis Skvortzov
- Heteronema scabra Z.Cyrus
- Heteronema shii Kapustin & D.Davydov
- Heteronema similis Skvortzov
- Heteronema spirale Klebs
- Heteronema spirogyra Skuja
- Heteronema splendens J.Larsen & D.J.Patterson
- Heteronema subsucculus Z.Shi
- Heteronema taurica Vetrova
- Heteronema tortum Z.Shi
- Heteronema tortuosum Christen
- Heteronema trachelomonades Skvortzov
- Heteronema tremulum Zacharias
- Heteronema trispira Matvienko
- Heteronema vetrovae Kapustin & D.Davydov
Description
This genus consists of diverse, colourless euglenoids that range in size from 8-75um.[1][2] Individuals are assigned to this genus if they have characteristic such as an ingestion apparatus, a capacity for flagellar movement and a recurrent flagellum that is not adpressed to the ventral side of the cell.[1][7] The cells are covered with a large number of proteinaceous
Habitat and ecology
Heteronema is generally widespread and commonly found in
Life history
There is no
References
- ^ a b c d e f g h i Guiry, M. D.; Guiry, G. M. (2012). “Heteronema Dujardin, 1841”. Retrieved February 14, 2019, from [1]
- ^ a b c d e f g h i j k l m Lax, G.; Simpson, A. G. (2013). “Combining Molecular Data with Classical Morphology for Uncultured Phagotrophic Euglenids (Excavata): A Single-Cell Approach". Journal of Eukaryotic Microbiology. 6: 615-625. doi: 10.1111/jeu.12068
- ^ a b c Lee, Won J. (2011). “Free-living benthic heterotrophic euglenids from Botany Bay, Australia”. Marine Biology Research. 8 (1): 3-27. doi: 10.1080/17451000.2011.596545
- ^ Dujardin, F. (1841). “Histoire naturelle des zoophytes. Infusoires, comprenant la physiologie et la classification de ces animaux, et la manière de les étudier à laide du microscope”. doi:10.5962/bhl.title.51143
- PMID 33715388
- ^ Guiry, M.D.; Guiry, G.M. "Heteronema Dujardin, 1841". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2023-05-22.
- ^ a b c Breglia, Susana A.; Yubuki, Naoji; Leander, Brian S. (2013). “Ultrastructure and Molecular Phylogenetic Position of Heteronema scaphrum: A Eukaryovorous Euglenid with a Cytoproct”. Journal of Eukaryotic Microbiology. 2: 107-120. doi: 10.1111/jeu.12014
- ^ Larsen, Jacob; Patterson, David J. (1990). “Some flagellates (Protista) from tropical marine sediments”. Journal of Natural History. 24 (4): 801-937. doi:10.1080/00222939000770571
- ^ Schroeckh, Sabrina; Lee Won J.; Patterson, David J. (2006). “Free-living heterotrophic euglenids from freshwater sites in mainland Australia”. Hydrobiologia. 493:1-3. doi: 10.1023/A:1025457801420
- ^ a b Esson, H. J.; Leander, B. S. (2006). “A model for the morphogenesis of strip reduction patterns in phototrophic euglenids: Evidence for heterochrony in pellicle evolution”. Evolution Development, 8 (4): 378-388. doi:10.1111/j.1525-142x.2006.00110.x