Genome-wide identification and evolutionary analysis of the FGF gene family in buffalo

文献类型： 外文期刊

第一作者： Hassan, Faiz-ul

作者： Hassan, Faiz-ul;Rehman, Muhammad Saif-ur;Mushahid, Muhammad;Deng, Tingxian;Deng, Tingxian;Rehman, Zia-ur;Sarfraz, Saad;Rehman, Saif Ur

作者机构：

关键词： FGF gene family; buffalo; enomic characterization; mutations; gene duplications

期刊名称：JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS （ 影响因子：4.4； 五年影响因子：3.8 ）

ISSN： 0739-1102

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Fibroblast growth factors (FGFs) are important polypeptide growth factors that play a critical role in many developmental processes, including differentiation, cell proliferation, and migration in mammals. This study employs in silico analyses to characterize the FGF gene family in buffalo, investigating their genome-wide identification, physicochemical properties, and evolutionary patterns. For this purpose, genomic and proteomic sequences of buffalo, cattle, goat, and sheep were retrieved from NCBI database. We identified a total of 22 FGF genes in buffalo. Physicochemical properties observed through ProtParam tool showed notable features of these proteins including in-vitro instability, thermostability, hydrophilicity, and basic nature. Phylogenetic analysis grouped 22 identified genes into nine sub-families based on evolutionary relationships. Additionally, analysis of gene structure, motif patterns, and conserved domains using TBtools revealed the remarkable conservation of this gene family across selected species throughout the course of evolution. Comparative amino acid analysis performed through ClustalW demonstrated significant conservation between buffalo and cattle FGF proteins. Mutational analysis showed three non-synonymous mutations at positions R103 > G, P7 > L, and E98 > Q in FGF4, FGF6, and FGF19, respectively in buffalo. Duplication events revealed only one segmental duplication (FGF10/FGF22) in buffalo and two in cattle (FGF10/FGF22 and FGF13/FGF13-like) with Ka/Ks values <1 indicating purifying selection pressure for these duplications. Comparison of protein structures of buffalo, goat, and sheep exhibited more similarities in respective structures. In conclusion, our study highlights the conservation of the FGF gene family in buffalo during evolution. Furthermore, the identified non-synonymous mutations may have implications for the selection of animals with better performance.

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