The NCBI database15 provided 16S rRNA gene variants (accessions: FM208770.1, FM208766.1, FM20867.1, FM208768.1k, FM208769.1, FM208775.1, FM208776.1, FM208777.1, FM208778.1, FM208779.1, FM208780.1, FM208781.1, FM208782.1, FM208783.1, FM208784.1). CFTR (PDB: 1XMJ) and 16S rRNA-associated protein (PDB: 8SR6) sequences were identified through literature curation.16 The CFTR is the best receptor for CRS-related disorders. Almost all people with two CFTR mutations and Cystic Fibrosis (CF) will develop CRS. Both genes and proteins are reviewed from the literature.

Start Codons (AUG) were located using CodonExplorer.17 siRNA target motifs and Untranslated Regions (UTRs) were identified via siRNA Target Finder18 (provided at https://www.genscript.com) and RegRNA,19 respectively. Tandem repeats were excluded using Tandem Repeats Finder.20 5' to 3' Untranslated Regions (UTRS) were found using RegRNA service.25 Tandem repeats were detected using the Tandem Repeats Finder site.26 The 3' Untranslated Region (3'UTR) is a section of mRNA that immediately follows the translation termination codon. An mRNA molecule is synthesized from the DNA sequence and then translated into a protein. The 3'UTR has binding sites for both regulatory proteins and microRNAs. Expression of related gene of Microbiome from the BacwGSTdb 2.0 database27 and CRS disease CFTR protein from the gene cards.28

Homology analysis (NCBI BLAST)21 ensured target specificity by excluding sequences with > 80% similarity to human genes. siRNA candidates (19 nt) were designed using OligoWalk22 (ΔG < −10 kcal/moL, GC content: 30%–60%). Hairpin structures (3‒9 nt loops) were optimized for RNA Pol III transcription.23 The structural prediction of the 16S rRNA gene and CFTR protein using the Uniprot database.

KEGG24 (http://www.kegg.jp/ or http://www.genome.jp/kegg/) mapped 16S rRNA and CFTR pathways, while ClusPro25 (https://cluspro.org) performed protein docking (PDB: 1XMJ, 8SR6) with default parameters (attraction/repulsion = 0, SAXS data excluded). Hydrophobic and hydrogen-bond interactions were visualized using LigPlot+.26

Data are presented as mean ± SEM. siRNA efficacy was assessed via one-way ANOVA (GraphPad Prism v9.0, p < 0.05).

The selected mRNA sequences of 16S rRNA gene consist of fifteen variants. FM208770.1, FM208766.1, FM20867.1, FM208768.1, FM208769.1, FM208775.1, FM208776.1, FM208777.1, FM208778.1, FM208779.1, FM208780.1, FM208781.1, FM208782.1, FM208783.1 and FM208784.1. FM208770, FM 208766.1, FM208769.1, FM208775.1, FM208776.1, FM208777.1, FM208779.1, FM208780.1, FM208781.1, FM208783.1 Variant 1 (16S rRNA partial) have no start translation frame AUG codons. FM20867.1 Variant 2 (16S rRNA partial) has start translation frame AUG codons which help in translation. FM20868.1 Variant 3 (16S rRNA partial) has start translation frame AUG codons which help in translation, direct exon extends. FM20878.1 Variant 3 (16S rRNA partial) has start translation frame AUG codons which help in translation of protein. FM20882.1 Variant 3 (16S rRNA partial) has start translation frame AUG codons which help in translation of protein. FM20882.1 Variant 3 (16S rRNA partial) has start translation frame AUG codons which help in translation of protein. FM208770.1, FM208766.1, FM20867.1, FM208768.1, FM208769.1, FM208775.1, FM208776.1, FM208777.1, FM208778.1, FM208779.1, FM208780.1, FM208781.1, FM208782.1, FM208783.1 and FM208784.1 all mRNAs have not occupied any repetition in his sequence. It’s accomplished that all mRNA have cDNA regions available. The identification of unique and repeat-free 16S rRNA variants ensures high specificity in downstream therapeutic targeting, minimizing unintended gene silencing and reducing off-target effects that could compromise clinical safety.

Next we find siRNA target from all the mRNAs. Launch the codon every mRNA sequence started with AUG. After searching each mRNA sequence for target sites, the AA dinucleotide and the 19 3' surrounding nucleotides were selected as important siRNA target sites. The belief of Elbashir et al. that siRNAs with 3' overhanging UU dinucleotides are the best and successfully activate RNAi is the basis for this process for selecting siRNA target sites. This is also useful for translating and transcribed siRNAs using RNA pol III since RNA pol III terminates translation at 4–6 nucleotide poly(T) tracts, resulting in RNA particles with a short poly(U) tail.29 The same target sites were found in each mRNA transcript sequence; Table 1 displays all of the target sites and the G+C content ratio. Ten siRNAs with a GC% ratio in the sense and antisense strand regions are present in all mRNAs. Every mRNA has a GC ratio of 50% or above, with beginning regions revealed as well. Selecting siRNAs with optimal GC content enhances gene silencing efficiency while reducing cellular toxicity, a critical factor for the development of safe and effective RNAi-based therapeutics.

SiRNAs with 30%–50% G+C content are more energetic and more likely to operate as siRNAs than siRNAs with a higher G+C content percentage.30 5'URT and 3'UTR should be avoided while designing siRNAs, despite the fact that UTRs that target siRNA have been shown to successfully induce gene silence. The section of the translation end codon that immediately follows is known as the 3' untranslated region. A few mRNA sections, including as the 5'UTR, 5' cap, poly (A) tail, and 3'UTR, are not translated into proteins. There are frequently regulatory areas in the 3'UTR that affect the gene's expression post-transcriptionally. The 3'UTR has a median length of 700 nucleotides. The 3'UTR contains regulatory regions that can affect the mRNA's polyadenylation, translation efficiency, stability, and localization.31,32

The expression of the 16S rRNA gene in human illness and the incidence of tissue development are described in Fig. 1. The most likely gene that humans are born with that contributes to the spread of various cancers, cell division, and destruction capacity.33 The translation of 16SrRNA gene into various components, its help to increase bacterial growth in homosapiens, especially concerned in pneumonia alvoli section 8SR6 protein involved. The structure of the CFTR protein, a key component of CRS illness, is derived from Uniprot RSCB PDB database (1XMJ). 1XMI have major component of CFTR protein complex, having mutational chains available in it. 1XMJ is same derivation year and having X-Ray crystallography ratio is 2.3 contain single chain.34 Alpha helices and beta sheets in the structure include appealing amino acids with strong binding affinities. The gene 16SrRNA expression in human body for the development of tissue production and generation of carcinomas in different organs. Most probable expression in upper region of body and having effects in lungs, kidney displayed in Fig. 2. The presence of blue color indicates the high level regions among the bodies and gray color indicates the less expression and cutoff region in the body. The area of the mRNA directly upstream of the initiation codon is known as the 5′UTR. This area is involved in transcription control. Each mRNA transcript's comparable untranslated sections and corresponding positions were found. Tandem repeat elimination is a crucial step in the discovery of siRNA target locations.35

Fig. 1.

Illustrate the graphical abstract to follow methodology to Identification of stress-induced miRNA of microbial flora, networking, expression with chronic sinusitis.

Fig. 2.

Illustrate the expression of 16SrRNA gene in different carcinomas, regions of the body and genome state of the body, blue color indicates the rich expression while gray color indicated the cutoff expression of gene.

Typically, a tandem repeat consists of two or more neighboring copies of the same nucleotide sequence. The target site will not bind to siRNA if it ends with a length of four or five repetitions. Repeats are thus often eliminated throughout the siRNA design process. The 16S rRNA gene's mRNA straps are all unique and include no repeat, which calls for more investigation. Tissue-specific expression patterns highlight organs at higher risk of infection-related damage, aiding in the development of targeted diagnostic and therapeutic interventions for respiratory and systemic diseases.

Every siRNA is a well-known and distinct one, although all mRNAs lack a homology search in the NCBI. Then, we investigate the structural feature, CFTR, and 16S rRNA in the homology search; nevertheless, none of the genes with comparable sequences that are identified as anticipated target sites. Avoiding homologous target sites is essential because there is a possibility that the siRNA or shRNA that is being created will bind to the target site of the normal gene and inhibit its production if a similar sequence is found in any gene that serves as a target site. Different criteria for siRNA design were used by experts who initially reported using siRNA expression vectors to induce RNA interference. Two inverted repetitions separated by a brief buffer sequence constituted a significant portion of the designs, which concluded with a string of Ts acting as the translation end site.36 The length of the nucleotide arrangement being used as siRNA varies to varying degrees. A few studies have employed the 19-nucleotide sequence as the siRNA.37 On the other hand, some research teams have employed siRNA that ranges in length from 21 to 25–29 nucleotides.38 It is discovered that all siRNAs of these various lengths may activate gene silencing.39 19 nucleotides in length were used to design the siRNA used in this study; 15 distinct siRNA were created for each target site. For further details, see the top-ranked siRNA reselection. In Table 2, the siRNA are displayed. Table 2's stated probability values for effective siRNA are excellent. The server's overall positive predictive value is 0.954, which indicates that 78.6% of the siRNAs it chooses will effectively silence targets. Testing against a database of siRNA studies carried out under various experimental settings yields the positive predictive value. High predictive silencing probabilities support the translational feasibility of these siRNAs as therapeutic candidates, increasing confidence in their clinical efficacy against pathogenic gene expression.

Since all of the likelihood values in this instance are higher than 0.8, it is certain that the anticipated siRNAs will be more successful in silencing the mutant 16S rRNA gene. Several research teams have demonstrated successful hairpin siRNA gene silencing using a loop of three to twenty-three nucleotides.40 According to our findings, all siRNAs have a probability larger than 0.8, indicating that they are a superior option for silencing a gene's impact. Typically, a hairpin siRNA is created with the target's sense strand first, then its antisense strand in a certain order, separated by a brief spacer. For every target site sequence, a hairpin siRNA was created. If the planned hairpin construct does not start with a purine at siRNA exert 3, an additional 'G' is inserted to the construct's beginning. It is preferred by RNA Poly Ⅲ to use a purine to start transcription. Typically, siRNA transports the siRNA duplex directly to the cytosol, where it may bind DNA. It is composed of two complementary 19–22 bp RNA sequences joined by a brief loop of 4–11 nucleotides, akin to the hairpin present in actual miRNA.

The protein 1XMI, which have seven chains and a structure between 2 and 2.3 X-Ray crystallography score, is encoded to the CFTR protein complex that directly associate in CRS illness. Crystal structure of NBDI domain associated single chain A 1XMJ (Crystal structure of human F508A NBD1 domain with ATP). Both 1XMJ and 1XMI discovered in same year in 2005 for the component factor for CFTR in homosapiens.41 1XMJ contain normal one chain taking for the further analysis, having structural conform changes Alpha helix, Beta sheets, coil and loop region available in it. The protein 8SR6 (Crystal structure of legAS4 from Legionella pneumophila subsp. pneumophila with histone H3 (3–17) peptide),42 which aids in translation, is directly responsive to 16SrRNA gene coding. The 8SR6 protein mutation directly affects the bacterial infection and help in spreading to all the body. The protein 8SR6 directly connect to Eukaryotic huntingtin interacting protein B in homosapiens which predicted in species Legionella pneumophila subsp. pneumophila. The structural features of the 1XMJ and 8SR6 proteins are explained in Fig. 3. Understanding the structural properties of CFTR and bacterial translation-associated proteins provides molecular insight into infection susceptibility and chronic respiratory disorders, supporting structure-guided therapeutic development.

Fig. 3.

Illustrate the features and appearance of protein IXMJ having single chain available that retrieved from the IXMI multiple mutant protein of CFTR component hiving directly proportion to CRS illness, 16SrRNA gene translate into 8SR6 protein component.

Our understanding of the molecular causes of human disease is nevertheless hampered by the persistent incompleteness of the data, despite extraordinary experimental efforts to map out the human interactome. An encouraging substitute is provided by computational techniques, which aid in the discovery of physiologically meaningful but as-yet-unmapped Protein-Protein Interactions (PPIs). Although biological or network-based similarity is the basis for link prediction approaches to connect proteins, comparable proteins do not always interact and interacting proteins are not always similar. Here, we present structural and evolutionary evidence supporting the idea that proteins interact when one of them is similar to the partner of the other rather than when they are similar to one other. Ozger identified the SARS-COVID-2 network route, its interactions with other proteins, and its effects on other proteins.43–45 Our study looks into the various biological functions and pathways that the 16S rRNA (8SR6) protein participates in, such as mRNA pseudouridine synthesis, mitochondrial ribosome assembly, enzyme-directed rRNA pseudouridine synthesis, assembly of the large ribosomal subunit in the mitochondria, and positive regulation of mitochondrial translation. It culminated in rRNA binding, rRNA methyltransferase activity, pseudouridine synthase activity, and rRNA (guanosine-2-O-)-methyltransferase activity on a molecular level. It coordinated several pathways inside the cell, including the mitochondrial nucleoid, ribosome, matrix, granule of ribonucleoprotein, and mitochondrion.

The biological functions and pathways that the CFTR (1XMJ) protein is involved in vary. These include chaperone-mediated autophagy, protein kinase A signaling, high-density lipoprotein particle assembly, negative regulation of the smoothened signaling pathway involved in dorsal/ventral neural tube patterning, and regulation of anion channel activity.46 AMP-activated protein kinase activity, Type 2 metabotropic glutamate receptor binding, Type 3 metabotropic glutamate receptor binding, cAMP-dependent protein kinase activity, and TPR domain binding were the molecular outcomes. It synchronized many pathways with cAMP-dependent protein kinase complex, ciliary base, plasma membrane, and membrane in a biological manner. The co expression and network module of the CFTR protein (1XMJ) and 16S rRNA (8SR6) are described in Fig. 4. Mapping interaction networks between bacterial and host proteins enhances understanding of disease mechanisms and supports the identification of novel intervention points for complex infectious and genetic disorders.

Fig. 4.

Explain the networking and pathway module of both 16SrRNA and CFTR proteins. Both proteins participate in various pathways and their co-expression lies in homosapiens and other organisms with great interest score.

The scientific community became interested in studying the properties of proteins because of their biological relevance. The research provided insight into how proteins interact and serve many purposes in a live organism.47 Protein-Protein Interactions (PPIs) have a variety of vital functions in cells, including those of protein-protein inhibitors, antibody-antigen complexes, and super complexes. It is amazing how structural analysis techniques, such as cryo-EM, have advanced recently for determining protein complex structures.48 When compared to C6 rat glioblastoma cells, naringin exhibits a greater cytotoxic potency against U-87MG human glioblastoma cells, suggesting that it may be used as a therapeutic treatment for glioblastoma.[53] Our research concluded that accession key 1XMJ protein for CFTR and 8SR6 protein for 16SrRNA display docking interaction. The 8SR6 protein treat as a receptor having active residue, which bind to other protein with high affinity; THR207; THR208; ASP115 and ARG113. Similarly, 1XMJ protein treat as ligand in this complex shown their interaction residues; ASP443 and GLU632. Both proteins (ligand + Receptor Complex) interact each other with lowest energy -844.0 and -895.9 and bond lies at center of residues having distance noticed. This protein-protein interaction complex cluster the residues of both proteins having distance 2.60, 3.00, 2.89 and 2.42Fig. 5 illustrate the docking interaction, hydrophobic and distance between the bonds of interacting residues. This integrative approach bridges molecular biology and clinical application, offering a rational pathway toward precision RNA therapeutics for infection-related and genetic diseases.

Fig. 5.

Describe the hydrophobic region, docking phenomenon of both proteins. Both proteins have interacted each other with high binding energy and distances.