کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2821456 1160953 2010 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Exploring mitochondrial evolution and metabolism organization principles by comparative analysis of metabolic networks
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی ژنتیک
پیش نمایش صفحه اول مقاله
Exploring mitochondrial evolution and metabolism organization principles by comparative analysis of metabolic networks
چکیده انگلیسی

The endosymbiotic theory proposed that mitochondrial genomes are derived from an alpha-proteobacterium-like endosymbiont, which was concluded from sequence analysis. We rebuilt the metabolic networks of mitochondria and 22 relative species, and studied the evolution of mitochondrial metabolism at the level of enzyme content and network topology. Our phylogenetic results based on network alignment and motif identification supported the endosymbiotic theory from the point of view of systems biology for the first time. It was found that the mitochondrial metabolic network were much more compact than the relative species, probably related to the higher efficiency of oxidative phosphorylation of the specialized organelle, and the network is highly clustered around the TCA cycle. Moreover, the mitochondrial metabolic network exhibited high functional specificity to the modules. This work provided insight to the understanding of mitochondria evolution, and the organization principle of mitochondrial metabolic network at the network level.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Genomics - Volume 95, Issue 6, June 2010, Pages 339–344
نویسندگان
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