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Character analysis, phylogeny, and biogeography of the genus Xiphinema Cobb, 1913 (Nematoda:Longidoridae)
The embryonic cell lineage of the nematode Rhabditophanes sp.
- W. Houthoofd, Maxime Willems, K. Jacobsen, A. Coomans, G. Borgonie
- BiologyInternational Journal of Developmental Biology
It is proposed that an early symmetry-breaking event in nematodes of clade IV-V is a major developmental constraint which shapes their asymmetric cell lineage with strong left-right asymmetry.
Embryonic cell lineage of the marine nematode Pellioditis marina.
Occurrence of novel verrucomicrobial species, endosymbiotic and associated with parthenogenesis in Xiphinema americanum-group species (Nematoda, Longidoridae).
- T. Vandekerckhove, A. Willems, M. Gillis, A. Coomans
- BiologyInternational Journal of Systematic and…
- 1 November 2000
A new genus, 'Candidatus Xiphinematobacter' gen. nov., along with three new candidate verrucomicrobial species, are described, the first endosymbiotic species described among the Verrucomicrobia.
TAXONOMY AND BIOGEOGRAPHY OF THE
The use of egg morphology, recently suggested to be a key taxonomic criterion within the genus Eulimnadia, is here criticized, on the basis of material identified as E. cylindrova from several North American populations.
A new class of ubiquitin extension proteins secreted by the dorsal pharyngeal gland in plant parasitic cyst nematodes.
By performing cDNA AFLP on pre- and early parasitic juveniles, genes encoding a novel type of ubiquitin extension proteins secreted by the dorsal pharyngeal gland in the cyst nematode Heterodera schachtii are identified and it is hypothesized that the C-terminal peptide might have a regulatory function during syncytium formation in plant roots.
A phylogenetic approach to the classification of the longidoridae (Nematoda: Dorylaimida)
- A. Coomans
- 1 March 1985
Nematode systematics: past, present and future.
- A. Coomans
The future of nematode taxonomy will depend on the funding opportunities provided by national and international authorities and molecular techniques have made systematics again exciting; when combined with the more traditional morphological approach, they will lead to new insights.
The Xiphinema americanum-group (Nematoda : Longidoridae). 2. Observations on Xiphinema brevicollum Lordello & da Costa, 1961 and comments on the group
A critical review of the article of Lamberti et al. (1992) with descriptions of X. brevu:ollum, X. diffusum, and three new species, which show to be c10sely related to each other, and a detailed characterization of the Xiphinema americanum-group.
Ultrastructure of the Stoma in Cephalobidae, Panagrolaimidae and Rhabditidae, With a Proposal for a Revised Stoma Terminology in Rhabditida (Nematoda)
It is shown that the stoma of most examined species can be divided into six regions rather than five, on the basis of the cuticular differentiations and especially the surrounding structures and tissues.