Words similar to root-knot
Example sentences for: root-knot
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2), and included all of the sequences shown in Figure 2except for the incomplete sequences from a spider ( C. salei run-2 ) and from the root-knot nematode ( M. hapla ). The consensus topology produced by each method was largely consistent with accepted phylogenies for all nodes with significant bootstrap values (Fig.
Plant-parasitic forms are responsible for an estimated $100 billion in annual crop damage worldwide [ 2 ] . The most damaging family (the Heteroderidae) includes the root-knot ( Meloidogyne spp.)
A possible ancient bacterial origin of these genes has been theorized [ 17 18 19 ] . A bacterial origin for a number of root-knot nematode (RKN) genes also has been proposed, although their possible role in parasitism is less clear.
The most extensively studied HGT candidates are four genes encoding β-1,4-endoglucanase, initially identified in the cyst nematodes G. rostochiensis and H. glycines [ 18 19 ] . These four genes (NemaGene Contig IDs MI00537, MI01011, MI01381 and MI01842) [ 30 ] appear to define two sets of paralogs formed before divergence of the cyst and root-knot nematodes.
Root-knot nematodes penetrate plant hosts and migrate between the cells in roots, where they induce formation of large multinucleate cells called 'giant cells'.