Transcriptomic Analysis Portal

Complete expression profiling and 20-Analysis Multi-Tier Transcriptome Suite for Nephila pilipes (NPFM1, NPFM2, NPFM3, NPFM4).

Access Raw FASTQ & BAM on Google Drive Explore 20-Analysis Suite
Quick Jump: Master Feasibility Table Core Deliverables Tier 1: Assembly Quality (1-7) Tier 2: Functional Annotation (8-14) Tier 3: Spider Biology (15-20) Targeted Biological Systems (1-7)

Deliverables & Feasibility Matrix

Comprehensive status breakdown and direct download directory for all transcriptomic deliverables and functional profiling modules.

# Deliverable / Requirement Feasibility Status Methodology & Analytical Implementation Download / Action
🎯 7 Targeted Biological Systems Suite
Digestion, Detoxification, Reproduction, Immunity, Neuropeptides, Visual Transduction & Photoreceptor Phylogeny
✔ Complete Complete gene catalogues, multi-sheet Excel workbooks, FPKM expression matrices, and dedicated biological pathway figures. View All 7 Systems
1 Raw & Processed FASTQ Files
Paired-end reads before & after adapter trimming
✔ Fully Possible Trimmed with fastp (poly-G tail removal, adapter clipping, Q20/Q30 quality filtering) per sample. Google Drive (Raw)
2 QC Reports & rRNA Filtration
fastp summaries & ribosomal RNA depletion
✔ Fully Possible SortMeRNA database indexing & Bowtie2 depletion (--un-conc-gz) with MultiQC report aggregation. MultiQC QC Report
3 Filtered Mapping Statistics
Total Reads, Mapped %, Unique %, Multi %, Unmapped %
✔ Fully Possible HISAT2 genomic alignment metrics for rRNA-depleted mRNA reads across NPFM1, NPFM2, NPFM3, and NPFM4. MultiQC Alignment Table 1 CSV
4 Gene / Transcript Absolute Counts
Expression profiling, variability, PCA, and normalization
✔ Fully Possible Quantified via featureCounts on genomic features; mapped to reference GTF locus IDs and gene symbols. Counts (.xlsx) Raw .txt
5 FPKM Normalized Counts
Depth and gene-length normalized expression
✔ Fully Possible Calculated using DESeq2::fpkm() with intercept design (design = ~1) and GTF feature lengths. Download FPKM (.csv)
6 Principal Component Analysis (PCA)
Multivariate clustering across individual samples
✔ Fully Possible Computed using variance-stabilized rlog transformed counts showing sample separation and variance axes. View PNG PDF
7 Sample Distance Matrix Heatmap
Euclidean sample-to-sample distance clustering
✔ Fully Possible Hierarchical clustering on Euclidean distances of rlog counts across the 4 independent samples. View PNG PDF
8 Differential Expression Analysis (DESeq2)
Two-group hypothesis testing (Control vs Treatment)
✖ Not Statistically Valid Requires biological replicates ($n \ge 2$ per condition). Replaced with pairwise fold changes without false p-values. N/A (Bypassed)
9 Master Annotated Expression Table
Gene ID, Chr, Name, Description, S1..S4, Avg, StdDev, Z-scores
✔ Fully Possible Primary profiling deliverable: incorporates FPKM expression, mean, variance, and row Z-scores across all 4 samples. Master (.xlsx) (.csv)
10 Detailed Coordinate & Fold-Change Table
Coords, counts, FC, Log2FC (without p-value/FDR)
⚠ Partially Possible All coordinates, counts, pairwise FC, and Log2FC are fully computed across all 6 pairwise sample combinations. Download Table (.xlsx)
11 Top 50 Most Variable Genes Heatmap & Table
Heatmap & annotated data table of highest variance genes
✔ Fully Possible Top 50 genes selected by row variance across normalized counts; standardized by row Z-scores with dedicated tables. Table (.xlsx) (.csv) View PNG PDF
⭐ Top Highly Expressed Genes Tables
Top 50 & Top 100 highest expressing genes ranked by mean FPKM
✔ Fully Possible Identifies dominant basal and structural transcripts across NPFM1–NPFM4 with complete gene annotation and expression metrics. Top 50 (.xlsx) (.csv) Top 100 (.xlsx) (.csv)
🧬 GO Functional Classification Dataset
Figure 2 Gene Ontology breakdown (BP, CC, MF) with unigene counts & percentages
✔ Fully Possible Unigene functional annotation across Biological Process, Cellular Component, and Molecular Function categories. Data (.xlsx) (.csv) View Plot
🗺️ KEGG Pathway Functional Annotation
31,649 mapped unigenes, 770 KEGG pathways, KO numbers, EC enzymes, and BRITE functional hierarchy
✔ Fully Possible Diamond search against eggNOG orthology database with complete metabolic, cellular, and signaling pathway mappings. Master (.xlsx) (.csv) Stats (.xlsx)
🧩 Pfam Protein Domain Functional Analysis
28,106 annotated transcripts across Toxins, Proteases, Ion Channels, Protein Binding, Enzymes & Extracellular Matrix
✔ Fully Possible Comprehensive Pfam domain identification detailing toxin signatures (ShKT, Kunitz), proteases (Trypsin, A17), ion channels, and binding scaffolds. Master (.xlsx) (.csv) Stats (.xlsx)
🎯 Targeted Physiological Processes Candidate Genes
Candidate genes, GO annotations, and KEGG pathways for Digestion, Detoxification, Sex Determination, Immunity, Silk Production & Toxin Biogenesis
✔ Fully Possible Multi-sheet workbook detailing 10,647 candidate transcript instances annotated with exact Gene Symbols, Pfam domains, GO IDs, KEGG pathways, and expression profiles. Candidates (.xlsx) (.csv) Summary (.xlsx)

Core Deliverable Highlights

Annotated Expression Table

.xlsx / .csv

The master expression profiling matrix for all 4 samples. Contains Gene IDs, Chromosomal coordinates, Gene Names, Functional Descriptions, Average Expression, Standard Deviations, and Z-scores.

Generation Process: Quantified with featureCounts, normalized for sequencing depth and gene length, and merged with GTF attributes via pandas.
Master (.xlsx) Master (.csv)

Pairwise Fold-Changes

.xlsx

Pairwise Log2 Fold-Changes between all combinations of the 4 independent samples (e.g., NPFM1 vs NPFM2) to inspect relative expression changes without false group assumptions.

Generation Process: Direct logarithmic ratios calculated on FPKM-normalized values with pseudocounts across all 6 pairwise combinations.
Download Pairwise Comparisons

FPKM Normalized Counts

.csv

Gene counts normalized for sequencing depth and gene length using Fragments Per Kilobase of transcript per Million mapped reads (FPKM).

Generation Process: Estimated size factors with DESeq2 treating samples as independent (design = ~1) factoring in feature lengths.
Download FPKM CSV

Comprehensive 20-Analysis Transcriptome Suite

Full systematic profiling covering Quality Control & Assembly Metrics (Tier 1), Functional & Structural Annotations (Tier 2), and Spider Biological Repertoires (Tier 3) for Nephila pilipes.

Tier 1

Assembly & Sequence Quality Statistics (Items 1 – 7)

BUSCO Completeness Assessment

1. BUSCO Completeness

Benchmarking Universal Single-Copy Orthologs assessment against Arthropoda and Arachnida lineages (>96% complete single & duplicated orthologs).

Download PDF Table (.xlsx)
Assembly Statistics Lollipop Chart

2. Assembly Overview Statistics

Lollipop chart profiling total transcript count (72,441), total length (82.1 Mb), mean/median lengths, and average GC content.

Download PDF Table (.xlsx)
N50 N90 L50 L90 Contiguity Metrics

3. N50/N90/L50/L90 Contiguity

Contiguity metrics comparing contig length milestones (N50, N75, N90) and cumulative transcript count thresholds (L50, L75, L90).

Download PDF Table (.xlsx)
Transcript Length ECDF Plot

4. Transcript Length Distribution

Empirical Cumulative Distribution Function (ECDF) modeling transcript length dynamic range with median and N50 markers.

Download PDF
GC Content Density Profile

5. GC-Content Distribution

Kernel density estimation curve detailing GC percentage distribution across all 72,441 coding sequences (Mean: 41.2% GC).

Download PDF
ORF CDS Prediction Breakdown

6. ORF / CDS Completeness

Classification of predicted open reading frames into Complete full-length CDS, 5'-partial, 3'-partial, and internal coding segments.

Download PDF Table (.xlsx)
Predicted Protein Stats ECDF

7. Predicted Protein Statistics

Cumulative length distribution (amino acids), molecular weights (kDa), and isoelectric point (pI) profiles across all translated proteins.

Download PDF
Tier 2

Functional & Structural Annotation (Items 8 – 14)

InterPro Domain Co-occurrence Heatmap

8. InterPro Domain Co-occurrence

Heatmap demonstrating multi-domain architecture co-occurrence frequencies across top regulatory and structural domains.

Download PDF Matrix (.xlsx)
eggNOG COG Classification Bubble Plot

9. eggNOG / COG Classification

Bubble plot displaying unigene counts across all 25 standard COG categories (Information Storage, Cellular Processes, and Metabolism).

Download PDF Table (.xlsx)
Transcription Factor Families Lollipop Chart

10. Transcription-Factor Families

Ranked lollipop chart detailing all major TF families (C2H2-ZF, Homeobox, bHLH, bZIP, Forkhead, Nuclear Receptors, and DMRT).

Download PDF Table (.xlsx)
Signal Peptide Analysis Donut Chart

11. Signal Peptide Prediction

SignalP donut chart showing proportion of proteins with cleavable N-terminal secretory signal peptides (SP+ vs SP-).

Download PDF Table (.xlsx)
Transmembrane Domains TMD Classes

12. Transmembrane-Domain Analysis

Distribution of TMHMM predicted transmembrane helices across classes (0 TMD soluble, 1 TMD single-pass, 7 TMD GPCRs, 8+ TMD channels).

Download PDF Table (.xlsx)
Secretome Prediction Functional Classification

13. Secretome Functional Repertoire

Functional categorization of 8,920 high-confidence secreted proteins (SP+ / TM-) across toxins, proteases, structural silk, and effectors.

Download PDF Table (.xlsx)
Subcellular Localization Predictions

14. Subcellular Localization

DeepLoc compartmental localization predictions (Cytoplasm, Nucleus, Extracellular, Plasma Membrane, Mitochondrion, and ER).

Download PDF Table (.xlsx)
Tier 3

Spider Biology & Physiological Repertoires (Items 15 – 20)

Venom and Toxin Repertoire Catalogue

15. Venom / Toxin Catalogue

Repertoire of spider toxins and venom peptides: ShK potassium channel toxins, Kunitz inhibitors, Latrotoxin-like, and PLA2 enzymes.

Download PDF Table (.xlsx)
MEROPS Protease Repertoire

16. Protease Repertoire

Complete MEROPS protease family profiling: Aspartic (A17), Serine (S1 Trypsins), Cysteine (C1 Cathepsins, Caspases), and Astacin Metalloproteases.

Download PDF Table (.xlsx)
Ion Channel and Neuroreceptor Repertoire

17. Ion-Channel Repertoire

Voltage-gated (Kv, Cav, Nav) and ligand-gated (GluR, Nicotinic AChR, TRP, and ASIC/DEG acid-sensing) neuroreceptors and ion channels.

Download PDF Table (.xlsx)
Spidroin Silk Repertoire

18. Spidroin Silk & Structural Matrix

Full spider silk spidroin catalog: MaSp1/2 (dragline), MiSp (web frame), Flag (capture spiral), TuSp (egg sac), PySp, and cuticle chitin-binding proteins.

Download PDF Table (.xlsx)
Candidate Reference Genes Stability Heatmap

19. Candidate Reference Genes

geNorm stability score (M) and coefficient of variation (CV%) ranking for internal RT-qPCR reference gene selection (GAPDH, RPL32, EF1A, ACTB).

Download PDF Table (.xlsx)
Alternative Splicing Events Profile

20. Alternative Splicing / Isoforms

Genome-wide alternative splicing profiling: Alternative 3' splice sites (A3SS), Alternative 5' splice sites (A5SS), Skipped Exons (SE), and Retained Introns (RI).

Download PDF Table (.xlsx)

Multivariate Expression & Functional Visualizations

Principal Component Analysis Plot

PCA Plot

Principal Component Analysis based on Variance Stabilized Transformation (rlog) of read counts across individual samples.

Download PDF
Sample Distance Matrix

Sample Distance Matrix

Euclidean distance clustering of the 4 samples based on rlog-transformed counts.

Download PDF
Top 50 Variable Genes Heatmap

Top 50 Variable Genes

Heatmap illustrating the expression patterns of the 50 genes with the highest variance across samples, scaled by row Z-scores.

Download PDF
GO Classification Plot

GO Classification

Gene Ontology (GO) classification bar chart displaying unigene counts across Biological Process, Cellular Component, and Molecular Function.

Dataset (.xlsx) (.csv)
Log2-Expression Boxplot

Log2-Expression Boxplot

Classic Tukey boxplot displaying median (solid line), mean (dashed line), 25th–75th IQR, and whiskers of log2(FPKM + 1) across NPFM1–NPFM4.

Download PDF
Log2-Expression Violin Distributions

Log2-Expression Violin Plot

Continuous violin density profiles demonstrating matching multi-modal distribution dynamics across all 4 libraries.

Download PDF
Expression Density Distribution KDE

Expression Density Distributions (KDE)

Kernel Density Estimation curves displaying matching multi-modal expression profiles across all 4 independent libraries.

Download PDF
Cumulative CPM Read Fraction

Cumulative CPM Read Fraction

Quantifies library complexity and transcript diversity, tracking the cumulative proportion of sequencing depth consumed across unigenes.

Download PDF
KEGG Pathway Functional Classification

KEGG Pathway Classification

Top 20 represented biological and signaling pathways across the spider transcriptome, highlighting Endocytosis, Ribosome, Lysosome, and Spliceosome.

Download PDF Master Table (.xlsx)
KEGG Pathway Representation Dotplot

KEGG Pathway Representation Dotplot

Publication ggplot2-style dotplot illustrating pathway representation, gene ratios, and significance values.

Download PDF
Top Protein Domains in Nephila pilipes Control Transcriptome

Top Protein Domains Analysis

6-panel categorized Pfam protein domain architecture highlighting Toxins, Proteases, Ion Channels, Binding, Enzymes, and Extracellular Matrix.

Download PDF Master Table (.xlsx)

7 Targeted Biological Systems & Special Deliverables

Specialized Systems

Comprehensive functional curation, gene catalogues, expression matrices, and dedicated biological cascade figures across 7 targeted physiological systems.

Digestion Functional Enzyme Clustered Heatmap

1. Digestion: Functional Enzyme Heatmap

Hierarchically clustered heatmap of 1,952 digestive enzymes across 28 families (Proteases, Lipases, CAZymes, Nucleases) with transcript count overlays and log2-abundance shading.

Download PDF Master (.xlsx) Matrix (.csv)
Detoxification Pathway Cascade Map

2. Detoxification: Phase I → II → III Cascade

Detoxification pathway architecture (1,319 genes) detailing Functionalization (CYP450, COE), Conjugation (GST, UGT, SULT), and Efflux (ABC, MFS) with sample expression heatmap.

Download PDF Master (.xlsx) Stats (.csv)
Reproductive Gene Network & Sankey Flow

3. Reproduction: Regulatory Flow & Network

Sankey flow and network diagram (427 genes) connecting Upstream Endocrine Signals (EcR/JH) to Core Regulators (Dsx/Tra-2/Vasa/Nanos) and Biological Processes (Vitellogenesis/Spermatogenesis).

Download PDF Master (.xlsx) Stats (.csv)
Immune-Pathway Clustered Heatmap

4. Immunity: Pathway Modules Heatmap

Clustered heatmap of 219 innate immune genes across Recognition PRRs (PGRP, GNBP, Lectins), Signaling (Toll, IMD), Melanization (ProPO, Serpins), and Effectors (AMPs, Lysozymes).

Download PDF Master (.xlsx) Stats (.csv)
Neuropeptide-Receptor Bipartite Network

5. Neuropeptide–Receptor Bipartite Graph

Bipartite interaction network mapping 72 neuropeptide precursors (AST, AKH, Bursicon, CCAP, NPF, Proctolin) with their cognate 7TM GPCR receptor subfamilies and physiological roles.

Download PDF Master (.xlsx) Pairs (.csv)
Visual Transduction Pathway Map

6. Visual Transduction Pathway Map

Biological cascade diagram (929 genes) of rhabdomeric phototransduction: Light → Opsin → Gαq → PLCβ → PIP2 hydrolysis → TRP/TRPL cation channels with INAD scaffolding and Arrestin feedback.

Download PDF Master (.xlsx) Stats (.csv)
Photoreceptor Phylogenetic Tree

7. Photoreceptor Evolutionary Phylogeny

Maximum-likelihood phylogenetic tree resolving spider opsins into Rh1, Rh2, LWS, UV, Blue/SWS, Arthropsins, and Arrestin outgroups with bootstrap support and expression levels.

Download PDF Master (.xlsx) Clades (.csv)