Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 349885
Title Genomewide analysis of phospholipid signaling genes in Phytophthora spp.: novelties and a missing link
Author(s) Meijer, H.J.G.; Govers, F.
Source Molecular Plant-Microbe Interactions 19 (2006)12. - ISSN 0894-0282 - p. 1337 - 1347.
Department(s) Laboratory of Phytopathology
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) phosphatidylinositol phosphate kinases - saccharomyces-cerevisiae - corynebacterium-pseudotuberculosis - bacterial phospholipases - cryptococcus-neoformans - diacylglycerol kinases - arabidopsis-thaliana - candida-albicans - plasma-membrane - plant-growth
Abstract Phospholipids are cellular membrane components in eukaryotic cells that execute many important roles in signaling. Genes encoding enzymes required for phosphollipid signaling and metabolism have been characterized in several organisms, but only a few have been described for oomycetes. In this study, the genome sequences of Phytophthora sojae and P ramorum were explored to construct a comprehensive genomewide inventory of genes involved in the most universal phospholipid signaling pathways. Several genes and gene families were annotated, including those encoding phosphatidylinositol synthase (PIS), phosphatidylinositol (phosphate) kinase (PI[P]K), diacylglyceroll kinase (DAG), and phospholipase D (PLD). The most obvious missing link is a gene encoding phospholipase C (PLC). In all eukaryotic genomes sequenced to date, PLC genes are annotated based on certain conserved features; however, these genes seem to be absent in Phytophthora spp. Analysis of the structural and regulatory domains and domain organization of the predicted isoforms of PIS, PIK, PIPK, DAG, and PLD revealed many novel features compared with characterized representatives in other eukaryotes. Examples are transmembrane proteins with a C-terminal catalytic PLD domain, secreted PLD-like proteins, and PIPKs that have an N-terminal G-protein-coupled receptor-transmembrane signature. Compared with other sequenced eukaryotes, the genus Phytophthora clearly has several exceptional features in its phospholipid-modifying enzymes.
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