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<p><i>Ideonella</i> and <i>Thermobifida</i> were the most promising bacterial candidates for degrading plastic polymers. A comparative pan- and phylogenomic analysis of 33 <i>Ideonella</i> and <i>Thermobifida</i> strains was done to determine their plastic degradation potential, niche adaptation and speciation. Our study disclosed that more accessory genes in the strains showed phenotypic plasticity, according to the BPGA data. Pan and core genes were employed for the phylogenetic reconstruction. Pathway enrichment analyses scrutinized the functional roles of the core and adaptive-associated genes. KEGG annotation revealed that most genes were associated with the metabolism of amino acids and carbohydrates. The detailed COG analysis disclosed that approximately 40% of the pan genes performed metabolic functions. The unique gene pool consisted of genes chiefly involved in "general function prediction" and "amino acid transport and metabolism". Our in silico study revealed that these strains could assist in agronomic applications in the future since they devour nitrogen compounds and their central metabolic pathways are involved in amino acid metabolism. The rational selection of strains of <i>Ideonella</i> is far more effective at depolymerising plastics than <i>Thermobifida.</i> A greater number of unique genes, 1701 and 692, were identified for <i>Ideonella sakaiensis</i> 201-F6 and <i>Thermobifida alba</i> DSM-43795, respectively. Furthermore, we examined the singletons involved in xenobiotic catabolism. The unique singleton data were used to construct a supertree. To characterize the conserved patterns, we used SMART and MEME to identify domain and transmembrane regions in the unique protein sequences. Therefore, our study unraveled the genomic insights into the ecology-driven speciation of <i>Ideonella</i> and <i>Thermobifida.</i></p>

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Comparative Pan- and Phylo-Genomic Analysis of Ideonella and Thermobifida Strains: Dissemination of Biodegradation Potential and Genomic Divergence

  • 期刊论文

  • 发表日期：

    2025年2月25日

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  • Arockiyajainmary Michealsamy,
  • Saranya Jayapalan

摘要

Ideonella and Thermobifida were the most promising bacterial candidates for degrading plastic polymers. A comparative pan- and phylogenomic analysis of 33 Ideonella and Thermobifida strains was done to determine their plastic degradation potential, niche adaptation and speciation. Our study disclosed that more accessory genes in the strains showed phenotypic plasticity, according to the BPGA data. Pan and core genes were employed for the phylogenetic reconstruction. Pathway enrichment analyses scrutinized the functional roles of the core and adaptive-associated genes. KEGG annotation revealed that most genes were associated with the metabolism of amino acids and carbohydrates. The detailed COG analysis disclosed that approximately 40% of the pan genes performed metabolic functions. The unique gene pool consisted of genes chiefly involved in "general function prediction" and "amino acid transport and metabolism". Our in silico study revealed that these strains could assist in agronomic applications in the future since they devour nitrogen compounds and their central metabolic pathways are involved in amino acid metabolism. The rational selection of strains of Ideonella is far more effective at depolymerising plastics than Thermobifida. A greater number of unique genes, 1701 and 692, were identified for Ideonella sakaiensis 201-F6 and Thermobifida alba DSM-43795, respectively. Furthermore, we examined the singletons involved in xenobiotic catabolism. The unique singleton data were used to construct a supertree. To characterize the conserved patterns, we used SMART and MEME to identify domain and transmembrane regions in the unique protein sequences. Therefore, our study unraveled the genomic insights into the ecology-driven speciation of Ideonella and Thermobifida.