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adult vs dauer larva |
Transcripts that showed differential expression in adult vs dauer lava in N2 animals at 20C. |
N.A. |
WBPaper00050488:adult_vs_dauer_regulated_N2_20C
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Transcripts that showed significantly decreased expression in daf-16(mgDf50) comparing to in N2 at L1 larva stage. |
DESeq v1.20.0 was used to analyze differential gene expression. Transcripts with adjusted p-value < 0.05 were considered differentialled expressed. |
WBPaper00048971:daf-16(mgDf50)_downregulated_L1
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Up-regulated genes (fold change > 1.5) in two CoQ-deficient clk-1 mutant strains (e2519, qm30) compared to wild types N2. |
Fold-changes of intensities were calculated from the arithmetic mean of gene expression values between experimental and corresponding control group. Fold change >= 1.5 was used as cut-off. |
WBPaper00045774:clk-1_upregulated
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TGF- Dauer pathway adult transcriptional targets. Results obtained by comparing the microarray results of the dauer-constitutive mutants daf-7(e1372), daf-7(m62), and daf-1(m40) with dauer-defective mutants daf-3(mgDf90), daf-5(e1386), and daf-7(e1372);daf-3(mgDf90) double mutants at the permissive temperature, 20C, on the first day of adulthood. |
SAM |
WBPaper00031040:TGF-beta_adult_downregulated
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Significantly downregulated genes from cyc-1(RNAi) microarrays using SAM algorithm with an FDR < 0.1 from adult-only chips. |
SAM algorithm with an FDR < 0.1. |
WBPaper00033065:cyc-1(RNAi)_downregulated
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Genes with differential expression under 1.0mg/l Diazinon treatment at 16 centigrade. |
To identify the differentially expressed genes in each treatment authors used linear models per toxicant and temperature (gene expression = Toxicant (effect) + error). The lm function in R stats package was used to implement the linear models analysis with recommended default options. For threshold determination authors used a permutation approach. For each of the 23,232 permutations used authors randomly picked a transcript (array spot), which could only be picked once. Authors combined all the expression values of this transcript and randomly distributed them over the replicates and used them in the linear model. In this way authors obtained a threshold for each of the toxicants. Authors used a -log10 p-value 2 as common threshold for the analysis, which resembles to the following FDR per toxicant: 0.0155 for CPF at 24 centigrade, 0.0148 for DZN at 24 centigrade, 0.0168 for CPF+DZN at 24 centigrade, 0.0142 for CPF at 16 centigrade, 0.0151 for DZN at 16 centigrade, and 0.0148 for CPF+DZN, at 16 centigrade. |
WBPaper00037113:Diazinon_16C_regulated
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Genes that showed flat mRNA expression level throughout the 16 hour time courses from L3 larva to young adult. |
The following three lines of R code were used to perform the classification: increasing <-2*amplitude-PC1 < -1.7; oscillating <-!increasing & (amplitude > 0.55); flat <-!increasing & !oscillating; Note that the amplitude of a sinusoidal wave corresponds to only half the fold change between trough and peak. |
WBPaper00044736:flat_dev_expression
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Fungi infection: Drechmeria coniospora |
Genes with increased expression after 12 hours of infection by D.coniospora Fold changes shown are pathogen vs OP50. |
For RNA-seq and tiling arrays, log2 fold changes between gene expression values of infected versus uninfected nematodes were calculated. For log2 fold changes > 0.00001 the values > 81.25th percentile were defined as up-regulated and for log2 fold changes < -0.00001 the values < 18.75th percentile were defined as down-regulated. |
WBPaper00038438:D.coniospora_12hr_upregulated_RNAseq
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Bacteria Diet: L. plantarum with pdxH mutant vs. L. plantarum |
Transcripts that showed significantly decreased expression in N2 animals fed with L. plantarum with pdxH mutant, comparing to in N2 animals fed with L. plantarum. |
GFold3, logFC < -1 or > 1. |
WBPaper00066703:L.plantarum-pdxH_downregulated
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miRNA targets that are significantly enriched at L1 larva stage. To generate a global view of the dynamics of miRNA-mediated regulation of gene expression during C. elegans development, authors analyzed the mRNAs in the AIN-2-GFP IP results from five developmental stages. The magnitude of the combined interaction of miRNAs with a given target mRNA was assessed by measuring the fold enrichment of that mRNA in AIN-2 IP samples, relative to the abundance of the mRNA in the corresponding total lysate. Because this enrichment in the IP sample versus total lysate directly reflects the miRISC-associated fraction of a given mRNA, high enrichment indicates the likelihood of strong miRNA-mediated regulation of the mRNA, whereas low or negative enrichment indicates the likelihood of weak or absent miRNA regulation of the mRNA. It is also possible that poor enrichment could reflect interactions that occur only in a rare subset of cells at any given stage of development. Transcripts that were significantly enriched (0
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For each transcript represented on the microarray, authors first used all 18 data points from all of the 18 microarrays to calculate its average in-stage standard deviation as SD=SQRT((i=1-K (ni-1)SDi2)/(N-K)), degree of freedom (df)=N-K, where K is the number of developmental stages in which the given transcript had at least one non-missing log2(IP/Total) value; ni is the number of non-missing values in stage i among the K stages; SDi is the standard deviation of the log2(IP/Total) values from all the replicates of stage i; N is the total number of non-missing values for this transcript at all stages. A transcript must have at least one stage with at least two non-missing values to be testable. All of the non-missing values of a transcript at each stage were averaged to generate the stage-average values (Mi for stage i). The standard error of Mi was calculated as SEi=SD/SQRT(ni) (df=N-K), where SD is the average in-stage standard deviation calculated above and ni is the number of non-missing values at stage i, as explained above. Based on the SEi, a one-tailed Students t-test was used to calculate the P-value of enrichment in stage i (Test if Mi>0). The T statistic was constructed as T=Mi/SEi (df=N-K). Mi>0 and enrichment P<0.001 were used as the threshold of enrichment for each stage. |
WBPaper00035084:L1_enriched_AIN-2_IP
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miRNA targets that are significantly enriched at L2 larva stage. To generate a global view of the dynamics of miRNA-mediated regulation of gene expression during C. elegans development, authors analyzed the mRNAs in the AIN-2-GFP IP results from five developmental stages. The magnitude of the combined interaction of miRNAs with a given target mRNA was assessed by measuring the fold enrichment of that mRNA in AIN-2 IP samples, relative to the abundance of the mRNA in the corresponding total lysate. Because this enrichment in the IP sample versus total lysate directly reflects the miRISC-associated fraction of a given mRNA, high enrichment indicates the likelihood of strong miRNA-mediated regulation of the mRNA, whereas low or negative enrichment indicates the likelihood of weak or absent miRNA regulation of the mRNA. It is also possible that poor enrichment could reflect interactions that occur only in a rare subset of cells at any given stage of development. Transcripts that were significantly enriched (0
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For each transcript represented on the microarray, authors first used all 18 data points from all of the 18 microarrays to calculate its average in-stage standard deviation as SD=SQRT((i=1-K (ni-1)SDi2)/(N-K)), degree of freedom (df)=N-K, where K is the number of developmental stages in which the given transcript had at least one non-missing log2(IP/Total) value; ni is the number of non-missing values in stage i among the K stages; SDi is the standard deviation of the log2(IP/Total) values from all the replicates of stage i; N is the total number of non-missing values for this transcript at all stages. A transcript must have at least one stage with at least two non-missing values to be testable. All of the non-missing values of a transcript at each stage were averaged to generate the stage-average values (Mi for stage i). The standard error of Mi was calculated as SEi=SD/SQRT(ni) (df=N-K), where SD is the average in-stage standard deviation calculated above and ni is the number of non-missing values at stage i, as explained above. Based on the SEi, a one-tailed Students t-test was used to calculate the P-value of enrichment in stage i (Test if Mi>0). The T statistic was constructed as T=Mi/SEi (df=N-K). Mi>0 and enrichment P<0.001 were used as the threshold of enrichment for each stage. |
WBPaper00035084:L2_enriched_AIN-2_IP
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Transcripts that showed significantly increased expression in drh-3(rrr2) comparing to in N2. |
edgeR, log2 fold change > 2 or < -2. |
WBPaper00053888:drh-3(rrr2)_upregulated
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Genes enriched in intestinal AIN-2 miRISCs. Pges-1-ain-2-gfp IP was performed in mixed stage worms. |
Enrichment values are expressed as mean percent rank. The p value was computed by comparing all enrichment values for a given transcript to all enrichment values of all transcripts by a one-tailed t test. Significantly enriched genes are those with p value < 0.01. |
WBPaper00040985:AIN-2_asynchronous_intestine
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