International Journal of Molecular Zoology, 2025, Vol.15, No.1, 1-9 http://animalscipublisher.com/index.php/ijmz 6 genetically against environmental stresses such as pathogens and heterogeneous substances (Slodkowicz and Goldman, 2020). Such approaches improve our understanding of the mechanisms of niche adaptation of species through genetic changes. 6 Emerging Technologies and Methodological Innovations inCapra Evolutionary Studies 6.1 Applications of RNA-seq and single-cell omics in immunity and development RNA sequencing, especially the application of single-cell RNA sequencing (scRNA-seq), has completely revolutionized the investigation of gene expression at the single-cell level, in an effort to deeply investigate the heterogeneity and developmental process of cells. Single-cell omics technology like scRNA-seq can profile expression divergence between single cells and is extremely crucial in understanding the immune system and developmental biology of the Capra species (Linnarsson and Teichmann, 2016; Yip et al., 2019). Joining scRNA-seq with additional omics strategies such as proteomics and epigenetics is capable of an end-to-end analysis of cellular function and condition and, as a result, an end-to-end investigation into developmental processes and immune responses (Stuart and Satija, 2019; Ahmed et al., 2022) (Figure 2). Similarly, such technology is feasible to identify the genes that have highly varying and extreme values among varied cells and consequently better understanding of Capra’s intricate processes (Yip et al., 2019). Figure 2 RNA sequencing and proteomics scatter plot (Adopted from Sanches et al., 2024) Image caption: A: High correlation between transcriptomics and proteomics data; B, C: Discrepancies between gene expression changes and protein level changes for certain genes/proteins. The 45-degree line in red dashed represents the theoretical correspondence, where changes in gene expression at the RNA-Seq level will on average reflect changes at the protein level (Adopted from Sanches et al., 2024) 6.2 Role of ancient dna techniques in reconstructing extinct Capralineages Ancient DNA (aDNA) techniques are also at the forefront of unraveling the evolutionary history of extinct Capra species. aDNA techniques enable researchers to recover and analyze DNA from fossilized bones and ancient skeletons, and with this, reconstruct past genetic diversity and dynamics for the species. Since there is overlap with other developing technologies like high-throughput sequencing, scientists can now recreate evolutionary pasts of extinct Capra species. They can also ascertain genetic characteristics that enabled certain species to survive—or why others went extinct (Yu et al., 2023). This not only increases our understanding of Capra evolution, but also helps us in finding good genetic markers which can be used for the protection of the current species that is present today. 6.3 High-throughput structural variation analysis and 3D genome technologies Sophisticated structural variation analysis and 3D genome techniques are now the main tools with which researchers investigate Capra evolution. The techniques enable researchers to see how the DNA is packed and organized within the nucleus. They also show how genomic structure variations influence how genes work and physical characteristics develop (Liu et al., 2023). Technologies in the process of development, like HiRES (which is a fusion of Hi-C and RNA sequencing), allow researchers to investigate at the same time the connection
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