Horizontal transfer of a bacterial gene involved in polyglutamate biosynthesis to the plant‐parasitic nematode Meloidogyne artiellia

FEBS Letters - Tập 508 - Trang 470-474 - 2001
Pasqua Veronico1, John Jones2, Mauro Di Vito3, Carla De Giorgi1
1Dipartimento di Biochimica e Biologia Molecolare, Universita di Bari, Via Orabona 4, 70126 Bari, Italy
2Mycology, Bacteriology and Nematology Unit, Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, UK
3Istituto di Nematologia Agraria CNR, Via Amendola 165/A, 70126 Bari, Italy

Tóm tắt

Analysis of a genomic fragment from the plant parasitic nematode Meloidogyne artiellia revealed the presence of a gene which, in bacteria, is involved in the formation of polyglutamate capsule. Searching of various databases, including the Caenorhabditis elegans genome sequence and the large EST datasets from a variety of parasitic nematodes, showed that no similar genes have been identified in other nematodes or in any other eukaryotic organisms. The M. artiellia gene has a typical eukaryotic structure and its mRNA is present in the intestine. The gene is expressed in all life cycle stages tested. These findings demonstrate horizontal gene transfer may be important in catalyzing the diversification of nematode lineages.

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FEBS Letters

Tập 508

470-474

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