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Article: Transcriptomic responses of Atlantic salmon (Salmo salar) to environmental enrichment during juvenile rearing.

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Evans ML; Hori TS; Rise ML; Fleming IA
PLoS ONE, 2015


10.1371/journal.pone.0118378.t003 List of the top ten differentially transcribed genes (for overall fold-change) in Atlantic salmon reared in each of the enriched and unenriched hatchery environments.

The analysis of relative gene transcript abundance among juveniles from each of three families (X11, X22, X35) was performed using the cGRASP-designed 4×44K microarray. Significantly differentially transcribed genes were identified using a FDR = 5%. Fold-changes (enriched/unenriched) in gene transcript abundance are shown across all families and separately for each of the three families. Only genes that were successfully annotated using BLASTx are shown. Up to five GO terms associated with each gene are also indicated.

Probe ID Best BLASTx hita All families fold-changeb Fold-change(X11) Fold-change(X22) Fold-change(X35) GO termsc
Relatively upregulated enriched C067R138 protein-glutamine gamma-glutamyltransferase e-like 8.55 4.21 20.72 2.21 Peptide cross-linking (P); protein-glutamine gamma-glutamyltransferase activity (F); metal ion binding (F)
C204R103 cytochrome p450 2m1 4.23 5.37 4.99 3.06 Heme binding (F); iron ion binding (F); oxidoreductase activity (F); organic acid metabolic process (P); small molecular metabolic process (P)
C237R040 PREDICTED: hypothetical protein LOC324610 2.87 3.40 2.66 2.58 -
C205R145 claudin-10-like 2.41 3.92 1.38 2.48 Structural molecule activity (F); cell junction (C); plasma membrane (C)
C211R110 complement receptor type 1-like 2.26 1.99 2.87 2.12 Receptor activity (F)
C051R138 hypothetical protein MTR_5g050970 2.05 2.22 1.92 2.09 -
C211R161 metalloproteinase inhibitor 2 precursor 2.05 2.76 2.51 1.32 Metalloendopeptidase inhibitor activity (F); metal ion binding (F); negative regulation of endopeptidase activity (P); extracellular region (C)
C026R035 protein phosphatase 1 regulatory subunit 14b 1.90 2.82 1.43 1.52 Regulation of phosphorylation (P); protein phosphatase inhibitor activity (F); protein phosphatase type 1 regulator activity (F)
C001R030 metalloproteinase inhibitor 2 precursor 1.89 2.12 2.02 1.60 Metalloendopeptidase inhibitor activity (F); metal ion binding (F); negative regulation of endopeptidase activity (P); extracellular region (C)
C155R133 gtpase imap family member 7 1.87 2.20 1.40 2.49 GTP binding (F); biological process (P); cellular component (C)
Relatively upregulated unenriched C152R152* ependymin-1 precursor 0.46 0.20 0.57 0.69 Cell-matrix adhesion (P); calcium ion binding (F); extracellular region (C)
C147R072 asph protein 0.46 0.25 0.51 0.78 Negative regulation of cell proliferation (P); face morphogenesis (P); limb morphogenesis (P); endoplasmic reticulum membrane (C); oxidoreductase activity (F)
C228R108 ttd non-photosensitive 1 protein homolog 0.46 0.25 0.49 0.95 None
C233R135 myosin heavy chain 0.45 0.33 0.68 0.46 Metabolic process (P); muscle cell development (P); motor activity (F); myosin complex (C); plasma membrane (P)
C211R037 ubiquitin thioesterase partial 0.44 0.23 0.43 0.79 Cell surface (C)
C113R135 regulator of chromosome condensation 0.44 0.23 0.60 0.75 Nuclear membrane (C); spindle assembly (P); nucleosomal DNA binding (F); mitosis (P); regulation of S phase of mitotic cell cycle (P)
C020R131 phosphatidylinositol transfer protein beta isoform isoform 2 0.31 0.22 0.46 0.42 Lipid binding (F); in utero embryonic development (P); phosphatidylinositol transported activity (F); Golgi apparatus (C); phospholipid binding (F)
C176R119 apolipoprotein a-i precursor 0.15 0.16 0.07 0.59 Lipid metabolic process (P); lipid transport (P); cholesterol metabolic process (P); cholesterol transport (P); lipid binding (F)
C251R080 myosin regulatory light chain atrial isoform 0.10 0.06 0.12 0.13 Calcium ion binding (F); dendritic spine (C); heart morphogenesis (P); atrial cardiac myofibril assembly (P); cardiac muscle tissue development (P)
C086R103 myosin light polypeptide 4 0.06 0.04 0.08 0.08 Calcium ion binding (F); sarcomere organization (P); heart morphogenesis (P); ventricular cardiac myofibril assembly (P); cardiac muscle tissue development (P)

aSignificantly differentially transcribed genes were annotated in Blast2GO using the BLASTx algorithm; the best BLASTx hit (E-value < 10-6) is presented.

b Fold-changes are presented as output from siggenes.

cUp to five examples of GO terms mapped to each microarray probe in Blast2GO are indicated. The associated GO category, biological process (P), molecular function (F), and cellular component (C), is also indicated for each term in parentheses.

*While this gene was initially annotated as ependymin-1, further analyses suggest that contig C152R152 is chimeric (data not shown).


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