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Mol Genet Genomics. 2004 Sep;272(2):138-48. Epub 2004 Aug 28.

A survey of SL1-spliced transcripts from the root-lesion nematode Pratylenchus penetrans.

Author information

  • 1Genome Sequencing Center, Department of Genetics, Washington University School of Medicine, MO 63108, St. Louis, USA, mmitreva@watson.wustl.edu

Abstract

Plant-parasitic nematodes are important and cosmopolitan pathogens of crops. Here, we describe the generation and analysis of 1928 expressed sequence tags (ESTs) of a splice-leader 1 (SL1) library from mixed life stages of the root-lesion nematode Pratylenchus penetrans. The ESTs were grouped into 420 clusters and classified by function using the Gene Ontology (GO) hierarchy and the Kyoto KEGG database. Approximately 80% of all translated clusters show homology to Caenorhabditis elegans proteins, and 37% of the C. elegans gene homologs had confirmed phenotypes as assessed by RNA interference tests. Use of an SL1-PCR approach, while ensuring the cloning of the 5' ends of mRNAs, has demonstrated bias toward short transcripts. Putative nematode-specific and Pratylenchus -specific genes were identified, and their implications for nematode control strategies are discussed.

PMID:
15338281
[PubMed - indexed for MEDLINE]
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