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Most Wanted Taxa Needed For This Project



Meloidogyn incognita Meloidogynidae
Globodera pallida Heteroderidae
Heterodera glycines Heteroderidae
Tylenchulus semipenetrans Tylenchulidae
Pratulenchus penetrans Pratylenchidae
Nacobbus abberans Pratylenchidae  
Hirshmaniella spp. Pratylenchidae  
Radopholus similis Pratylenchidae
Mesocriconema xenoplax Criconematidae
Aphelenchus avenae Aphelenchidae  
Bursaphelenchus xylophilus Aphelenhoididae
Helicotylenchus spp. Hoplolaimidae
Hemicycliophora spp. Hemicycliophoridae
Merlinius spp. Telotylenchidae
Trophurus spp. Telotylenchidae
Tylenchorhynchus spp. Telotylenchidae
Psilenchus spp. Psilenchidae
Coslenchus spp. Tylenchidae
Boleodorus spp. Tylenchidae
Basiria spp. Tylenchidae
Malenchus spp. Tylenchidae
Thada sp. Tylenchidae
Ecphyadophora spp. Ecphyadophoridae
Ottolenchus spp. Tylenchidae
Eutylenchus spp. Autylenchidae
Tylodorus spp. Tylodoridae
Cephalenchus spp. Tylodoridae
Ditylenchus dipsaci Anguinidae
Ditylenchus destructor Anguinidae
Nothanguina sp. Anguinidae
Anguina tritici Anguinidae
Pseudhalenchus spp. Anguinidae
Dolichodorus spp. Dolichodoridae  
Belonolaimus spp. Belonolaimidae
Fergusobia sp. Neotylenchidae
Sphaerularia bombi Spaerulariidae
Howardula sp. Allantonematidae
Wachekitylenchus spp. Parasitylenchidae
Skarbilovinema spp. Iotonchiidae
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Why Tylenchid Nematodes?

Some of the most promising approaches to controlling plant parasitic nematodes involve the identification and manipulation of parasitism genes in nematodes, and resistance genes in plants. However, in the absence of a resolved tylenchid phylogeny, most researchers must infer phylogenetic relationships from classifications. Preliminary analyses show that most of the families within the group are paraphyletic, and that no sister taxon relationships can be inferred with confidence for any of the families.

The lack of a resolved tylenchid phylogeny has major consequences on the extrapolation and extension of understanding the genomes of plant parasitic nematodes, and the role of the “parasitome” in plant pathology. Indeed, without a resolved phylogeny, it is impossible to infer with reason even the most basic and biologically fundamental questions concerning plant pathogenic nematodes; the origin and maintenance of the genetic, morphological, and even ecological associations between nematodes and their plant hosts. Thus, the primary goal of the proposed research is the empowerment of all other research programs in plant nematology.