Words similar to cyst
Example sentences for: cyst
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The generation of expressed sequence tags (ESTs) by single-pass random sequencing of cDNA libraries is a powerful tool for rapid gene transcript identification in metazoans [ 14 15 16 17 ] including parasitic nematodes of humans and animals [ 18 19 20 21 22 23 ] . High-throughput projects on two dozen nematode species have now brought the total number of publicly available roundworm ESTs to nearly 400,000, with half the sequences coming from parasites [ 24 25 26 27 ] . As a part of these efforts, EST sequencing from plant parasitic nematodes is in progress [ 28 ] and pilot EST datasets from the root-knot nematode M. incognita and the cyst nematodes Globodera rostochiensis and G. pallida second-stage larvae have recently been analyzed [ 29 30 ] .
Alternatively, the transfer event may be more recent, such as to the progenitor of the Meloidogyne lineage since its divergence from the cyst nematodes (event 'b' in Figure 1), or in a lineage leading to a single Meloidogyne species (event 'c').
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.
Should a gene appear to be present in other closely related plant parasites, such as the cyst nematodes, the transfer event probably affected a common ancestor of the two families of parasitic nematodes (event 'a' in Figure 1).
and the cyst ( Globodera and Heterodera spp.)
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