Paratrichodorus
In this article, we will explore the fascinating world of Paratrichodorus, a topic that has captured the attention of researchers, enthusiasts and the curious alike. From its beginnings to the present, Paratrichodorus has played a crucial role in various aspects of society, culture and history. Throughout the next few lines, we will delve into its impact, its implications and its evolution over time, in order to have a more complete and deeper understanding of this exciting topic. Join us on this journey of discovery and learning about Paratrichodorus.
| Paratrichodorus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Adenophorea |
| Order: | Triplonchida |
| Family: | Trichodoridae |
| Genus: | Paratrichodorus Siddiqi, 1974 |
| Type species | |
| Paratrichodorus tunisiensis Siddiqi | |
| Species | |
Paratrichodorus is a genus of terrestrial root feeding (stubby-root) nematodes in the Trichodoridae family (trichorids), being one of five genera. They are economically important plant parasites and virus vectors. The females are didelphic (two genital tracts), and are distributed worldwide.
Taxonomy
Historically, Trichodorus formed the only genus in the Trichodoridae family. Then Trichodorus was split into two genera in 1974 by Siddiqi, Trichodorus and Paratrichodorus. The genus, which is the second largest in the family consists of 34 species. Siddiqi based the separation on the position of the gland nuclei and the type of pharyngo-intestinal junction.
Subdivision
Using the same characteristics as those establishing the genus, Siddiqi described three subgenera, Paratrichodorus, Atlantadorus and Nanidorus, but Decraemer did not support the validity of this. While the latter approach has not been accepted by some authorities, Siddiqi elevated them to genus status in 1980, an approach that few other authors have followed, but maintained by that author, and now receiving some support from modern molecular approaches to taxonomy. At least in the case of Nanidorus, phylogenetic analysis has supported its recognition as a separate genus, although clustering with Trichodorus rather than its parent Paratrichodorus.
Plant pathology
Trichorids became of interest in 1951. At that time Trichodorus christie (=Paratrichodorus minor) was recognised as a pest of crops in Florida.
References
- ^ a b Siddiqi, M.R. (1974). "Systematics of the genus Trichodorus Cobb, 1913 (Nematoda: Dorylaimida), with descriptions of three new species". Nematologica. 19: 259–278.
- ^ Order Triplochida: Paratrichodorus Nemaplex: Nematode-Plant Expert Information System. University of California, Davis. Version October 9, 2012.
- ^ Decraemer 1995.
- ^ a b Decraemer, W; Robbins, RT (2007). "The who, what and where of longidoridae and trichodoridae". J Nematol. 39 (4): 295–7. PMC 2586508. PMID 19259501.
- ^ a b Decraemer, W. 1980. Systematics of the Trichodoridae (Nematoda) with keys to their species. Revue. Nematol. 3(1): 81-99.
- ^ SIDDIQI, M.R. (1980). On the generic status of Atlantadorus Siddiqi, 1974 and Nanidorus Siddiqi, 1974 (Nematoda: Trichodoridae). Systematic Parasitology 1, 151-152.
- ^ Decraemer 1995, p. 10.
- ^ a b Duarte et al. 2010.
- ^ Siddiqi, M.R. (2002). "Ecuadorus equatorius gen. n., sp. and Nanidorus mexicanus sp. n. (Nematoda: Trichodoridae)". International Journal of Nematology. 12: 197–202.
- ^ Kumari & Subbotin 2012.
- ^ CHRISTIE, J. R. & PERRY, V. G. (1951). Removing nematodes from soil. Proc. helm. Soc. Wasb. 18: 106-108.
- ^ Decraemer 1995, p. 3.
Bibliography
- Blaxter, Mark L.; De Ley, Paul; Garey, James R.; Liu, Leo X.; Scheldeman, Patsy; Vierstraete, Andy; Vanfleteren, Jacques R.; Mackey, Laura Y.; Dorris, Mark; Frisse, Linda M.; Vida, J. T.; Thomas, W. Kelley (5 March 1998). "A molecular evolutionary framework for the phylum Nematoda". Nature. 392 (6671): 71–75. doi:10.1038/32160. PMID 9510248. S2CID 4301939.
- Lee, Donald L, ed. (2010). The biology of nematodes. London: Taylor & Francis. ISBN 978-0415272117. Retrieved 16 December 2014.
- De Ley, P & Blaxter, M 2004, 'A new system for Nematoda: combining morphological characters with molecular trees, and translating clades into ranks and taxa'. in R Cook & DJ Hunt (eds), Nematology Monographs and Perspectives. vol. 2, E.J. Brill, Leiden, pp. 633–653.
- Decraemer, W. (1995). The family Trichodoridae: stubby root and virus vector nematodes. Dordrecht: Kluwer Academic Publishers. ISBN 978-0792337737. Retrieved 15 December 2014.
- Zuckerman, B.N.; Mai, W.F.; Rohde, R.A., eds. (1971). Plant Parasitic Nematodes: Volume I. Morphology, Anatomy, Taxonomy, and Ecology. Oxford: Elsevier Science. ISBN 978-0323154246. Retrieved 15 December 2014.
- Perry, Roland N.; Moens, Maurice, eds. (2013). Plant nematology (2 ed.). Boston, MA: CABI. ISBN 978-1780641515. Retrieved 16 December 2014.
- Duarte, Isabel; Neilson, Roy; Decraemer, Wilfrida; Brown, Derek; de Almeida, Maria Teresa M.; Marques (1 February 2010). "Phylogenetic relationships, based on SSU rDNA sequences, among the didelphic genera of the family Trichodoridae from Portugal". Nematology. 12 (2): 171–180. doi:10.1163/156854109X461721. hdl:1822/18363.
- Kumari, S.; Subbotin, S. A. (December 2012). "Molecular characterization and diagnostics of stubby root and virus vector nematodes of the family Trichodoridae (Nematoda: Triplonchida) using ribosomal RNA genes". Plant Pathology. 61 (6): 1021–1031. doi:10.1111/j.1365-3059.2012.02598.x.
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