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    Mol Plant Microbe Interact. 2004 Aug;17(8):846-52.

    A new class of ubiquitin extension proteins secreted by the dorsal pharyngeal gland in plant parasitic cyst nematodes.

    Source

    Department of Biology, Section Nematology, Ghent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium.

    Abstract

    By performing cDNA AFLP on pre- and early parasitic juveniles, we identified genes encoding a novel type of ubiquitin extension proteins secreted by the dorsal pharyngeal gland in the cyst nematode Heterodera schachtii. The proteins consist of three domains, a signal peptide for secretion, a mono-ubiquitin domain, and a short C-terminal positively charged domain. A gfp-fusion of this protein is targeted to the nucleolus in tobacco BY-2 cells. We hypothesize that the C-terminal peptide might have a regulatory function during syncytium formation in plant roots.

    PMID:
    15305605
    [PubMed - indexed for MEDLINE]
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