Pre- and post-transcriptional modifications of gene expression are emerging as foci of disease studies, with some studies revealing the importance of non-coding transcripts, like long non-coding RNAs (lncRNAs) and microRNAs (miRNAs). We hypothesize that TFs, lncRNAs and miRNAs can modulate the immune response in bovine mastitis and potentially serve as disease biomarkers and/or drug targets. With computational analyses, we identified candidate genes potentially regulated by miRNAs and lncRNAs base pair complementation and thermodynamic stability of binding regions. Remarkably, we found six miRNAs, two being bta-miR-223 and bta-miR-24-3p, to bind to several targets. NONBTAT027932.1 and XR_003029725.1, were identified to target several genes. Functional and pathway analyses revealed lipopolysaccharide-mediated signaling pathway, regulation of chemokine (C-X-C motif) ligand 2 production and regulation of IL-23 production among others. The overarching interactome deserves further in vitro/in vivo explication for specific molecular regulatory mechanisms during bovine mastitis immune response and could lay the foundation for development of disease markers and therapeutic intervention.

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No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
Figure S1. Venn diagram of bovine mastitis immune genes harvested from meta-analysis and Genomatix. In total was 919 genes identified from the meta-analysis (purple) and 20 from Genomatix software (pink). The overlap region represents the 16 target bovine mastitis genes used for further analysis in this study.
Figure S2. Venn diagram involving the three miRNAs prediction software; miRWalk, miRNet, and TargetScan. The blue circle represents the number of miRNA predicted by miRWalk (693), pink miRNet (47), and green Target Scan (146). The center region represents the six miRNAs used for further analysis in this study.
Figure S3. Multiple sequence alignment of the six predicted bovine miRNAs and corresponding genes in 15 other species using MultiAlin; bta-miR-24-3p, bta-miR-149-5p, bta-miR-185, bta-miR-223, bta-miR-328, and bta-miR-874. The highlighted yellow region within the gene sequences represent the miRNA sequence. Red indicates regions of high consensus and blue low consensus.
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Table S1. Characteristics of species sequences used to create phylogenetic trees for candidate lncRNA and miRNA.
Table S2. miRNA and their target gene as predicted by miRWalk.
Table S3. List of miRNAs from all three software and their target candidate gene (three or more).
Table S4. List of Bovine lncRNA mined from NONCODE and their target candidate genes, genomic location, strand type, and length. If available, the accession number for NCBI is listed.
Table S5. GO Pathway Analysis for candidate bovine mastitis genes.
Table S6. All transcription factors identified for each of the target bovine mastitis genes.
Table S7. lncRNA-miRNA predicted binding data.
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Posted 14 Jun, 2021
On 17 Sep, 2021
Received 15 Sep, 2021
Received 19 Jul, 2021
Received 20 Jun, 2021
On 14 Jun, 2021
On 10 Jun, 2021
Invitations sent on 10 Jun, 2021
On 10 Jun, 2021
On 10 Jun, 2021
On 09 Jun, 2021
On 03 Jun, 2021
Posted 14 Jun, 2021
On 17 Sep, 2021
Received 15 Sep, 2021
Received 19 Jul, 2021
Received 20 Jun, 2021
On 14 Jun, 2021
On 10 Jun, 2021
Invitations sent on 10 Jun, 2021
On 10 Jun, 2021
On 10 Jun, 2021
On 09 Jun, 2021
On 03 Jun, 2021
Pre- and post-transcriptional modifications of gene expression are emerging as foci of disease studies, with some studies revealing the importance of non-coding transcripts, like long non-coding RNAs (lncRNAs) and microRNAs (miRNAs). We hypothesize that TFs, lncRNAs and miRNAs can modulate the immune response in bovine mastitis and potentially serve as disease biomarkers and/or drug targets. With computational analyses, we identified candidate genes potentially regulated by miRNAs and lncRNAs base pair complementation and thermodynamic stability of binding regions. Remarkably, we found six miRNAs, two being bta-miR-223 and bta-miR-24-3p, to bind to several targets. NONBTAT027932.1 and XR_003029725.1, were identified to target several genes. Functional and pathway analyses revealed lipopolysaccharide-mediated signaling pathway, regulation of chemokine (C-X-C motif) ligand 2 production and regulation of IL-23 production among others. The overarching interactome deserves further in vitro/in vivo explication for specific molecular regulatory mechanisms during bovine mastitis immune response and could lay the foundation for development of disease markers and therapeutic intervention.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11
No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
Figure S1. Venn diagram of bovine mastitis immune genes harvested from meta-analysis and Genomatix. In total was 919 genes identified from the meta-analysis (purple) and 20 from Genomatix software (pink). The overlap region represents the 16 target bovine mastitis genes used for further analysis in this study.
Figure S2. Venn diagram involving the three miRNAs prediction software; miRWalk, miRNet, and TargetScan. The blue circle represents the number of miRNA predicted by miRWalk (693), pink miRNet (47), and green Target Scan (146). The center region represents the six miRNAs used for further analysis in this study.
Figure S3. Multiple sequence alignment of the six predicted bovine miRNAs and corresponding genes in 15 other species using MultiAlin; bta-miR-24-3p, bta-miR-149-5p, bta-miR-185, bta-miR-223, bta-miR-328, and bta-miR-874. The highlighted yellow region within the gene sequences represent the miRNA sequence. Red indicates regions of high consensus and blue low consensus.
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S4a-c. Evolutionary analysis of the six miRNAs generated from the multiple sequence alignment using MEGA-X and iTOL(A-C); phylogenetic trees of bta-miR-24-3p and bta-miR-149-5p and their corresponding gene in the 15 other species (A); phylogenetic trees of bta-miR-185 and bta-miR-223 (B); phylogenetic trees of bta-miR-328 and bta-miR-874 (C).
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Figure S5a-d. Evolutionary analysis of the eight lncRNA generated from multiple sequence alignment using MEGA-X and iTOL (A-D); phylogenetic trees of NONBTAT001181.2 and NONBTAT007847.2 (A); phylogenetic trees of NONBTAT011890.2 and NONBTAT010129.2 (B); phylogenetic trees of NONBTAT013032.2 and NONBTAT017501.2 (C); and phylogenetic trees for NONBTAT021220.2 and NONBTAT027932.1.
Table S1. Characteristics of species sequences used to create phylogenetic trees for candidate lncRNA and miRNA.
Table S2. miRNA and their target gene as predicted by miRWalk.
Table S3. List of miRNAs from all three software and their target candidate gene (three or more).
Table S4. List of Bovine lncRNA mined from NONCODE and their target candidate genes, genomic location, strand type, and length. If available, the accession number for NCBI is listed.
Table S5. GO Pathway Analysis for candidate bovine mastitis genes.
Table S6. All transcription factors identified for each of the target bovine mastitis genes.
Table S7. lncRNA-miRNA predicted binding data.
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