Cloning and characterization of phospholipase D from olive flounder (Paralichthys olivaceus). 2008

Soo Jin Jeon, and Moo-Sang Kim, and Sang Jung Ahn, and Jung Soo Seo, and Sang Uk Lim, and Ji Hea Sung, and Na Young Kim, and Hyun Do Jeong, and Hyung Ho Lee, and Joon Ki Chung
Department of Aquatic Life Medicine, Pukyong National University, Busan 608-737, Republic of Korea.

The phospholipase D1 (PLD1) cDNA, designated PoPLD, encoding a predicted protein of 1053 amino acids in olive flounder (Paralichthys olivaceus) has been cloned. The deduced amino acid sequence shares high identity with that of PLD1s and PLD2 in human, rat and mouse. The phylogenic analysis and sequence comparison of PoPLD with other PLD isozymes were found to be closely related to the PLD1 isozyme in primary structure. The tissue expression analysis of PoPLD showed that the mRNA of PoPLD was predominantly expressed in the brain, gullet, muscle, stomach, head kidney, pyloric caeca, intestine and gill. The expression of the PoPLD gene was examined in various tissues of flounder by RT-PCR following stimulation with LPS and compared also with that of the inflammatory cytokines IL-1beta and IL-8 in various tissues of the stimulated flounder. This provides indirect evidence that PLD1 might have a relevant role in immune responses against pathogens and in inflammation. In addition, the recombinant protein of PoPLD (GFP-PoPLD), which demonstrated a phosphatidylcholine (PC)-hydrolyzing activity, was partially localized as a distinct ring-shaped form surrounding the rim of the nucleus in EPC cells. Together, our results suggest that PoPLD is similar to the mammalian PLD1 isoform, is generally widespread within olive flounder tissue, might have a relevant role in the fish immune system against pathogens and specifically may be localized in the subcellular membranes of the nuclear rim in EPC cells.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D010739 Phospholipase D An enzyme found mostly in plant tissue. It hydrolyzes glycerophosphatidates with the formation of a phosphatidic acid and a nitrogenous base such as choline. This enzyme also catalyzes transphosphatidylation reactions. EC 3.1.4.4. Lecithinase D,Phosphatidylcholine Phosphohydrolase
D010802 Phylogeny The relationships of groups of organisms as reflected by their genetic makeup. Community Phylogenetics,Molecular Phylogenetics,Phylogenetic Analyses,Phylogenetic Analysis,Phylogenetic Clustering,Phylogenetic Comparative Analysis,Phylogenetic Comparative Methods,Phylogenetic Distance,Phylogenetic Generalized Least Squares,Phylogenetic Groups,Phylogenetic Incongruence,Phylogenetic Inference,Phylogenetic Networks,Phylogenetic Reconstruction,Phylogenetic Relatedness,Phylogenetic Relationships,Phylogenetic Signal,Phylogenetic Structure,Phylogenetic Tree,Phylogenetic Trees,Phylogenomics,Analyse, Phylogenetic,Analysis, Phylogenetic,Analysis, Phylogenetic Comparative,Clustering, Phylogenetic,Community Phylogenetic,Comparative Analysis, Phylogenetic,Comparative Method, Phylogenetic,Distance, Phylogenetic,Group, Phylogenetic,Incongruence, Phylogenetic,Inference, Phylogenetic,Method, Phylogenetic Comparative,Molecular Phylogenetic,Network, Phylogenetic,Phylogenetic Analyse,Phylogenetic Clusterings,Phylogenetic Comparative Analyses,Phylogenetic Comparative Method,Phylogenetic Distances,Phylogenetic Group,Phylogenetic Incongruences,Phylogenetic Inferences,Phylogenetic Network,Phylogenetic Reconstructions,Phylogenetic Relatednesses,Phylogenetic Relationship,Phylogenetic Signals,Phylogenetic Structures,Phylogenetic, Community,Phylogenetic, Molecular,Phylogenies,Phylogenomic,Reconstruction, Phylogenetic,Relatedness, Phylogenetic,Relationship, Phylogenetic,Signal, Phylogenetic,Structure, Phylogenetic,Tree, Phylogenetic
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D005432 Flounder Common name for two families of FLATFISHES belonging to the order Pleuronectiformes: left-eye flounders (Bothidae) and right-eye flounders (Pleuronectidae). The latter is more commonly used in research. Plaice,Platichthys,Pleuronectes,Pseudopleuronectes,Halibut,Pleuronectes platessa,Flounders
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015971 Gene Expression Regulation, Enzymologic Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in enzyme synthesis. Enzymologic Gene Expression Regulation,Regulation of Gene Expression, Enzymologic,Regulation, Gene Expression, Enzymologic
D017386 Sequence Homology, Amino Acid The degree of similarity between sequences of amino acids. This information is useful for the analyzing genetic relatedness of proteins and species. Homologous Sequences, Amino Acid,Amino Acid Sequence Homology,Homologs, Amino Acid Sequence,Homologs, Protein Sequence,Homology, Protein Sequence,Protein Sequence Homologs,Protein Sequence Homology,Sequence Homology, Protein,Homolog, Protein Sequence,Homologies, Protein Sequence,Protein Sequence Homolog,Protein Sequence Homologies,Sequence Homolog, Protein,Sequence Homologies, Protein,Sequence Homologs, Protein

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