respiratory chain

noun

Biochemistry.

1. a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.

Example Sentences

Recent research shows that the infection leads to significant transcriptional modification of genes encoding proteins involved in the mitochondrial network, such as the respiratory chain, apoptosis, and the structural organization of mitochondria.

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"But there are also proteins that are synthesized by the mitochondria themselves. One of these is ND5, a subunit of complex I of the respiratory chain," explained Professor Kristina Friedland.

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"The synthesis process is undermined and fewer proteins of the subunit ND5, which is of central relevance to complex I, are formed because the whole process commences with the respiratory chain," added Friedland.

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The nanoparticles seem to attack the bacteria in several ways: they inhibit the synthesis of important cell-wall components, promoting collapse of the walls; they also pierce the cell membrane and destabilize it; disrupt the respiratory chain and metabolism; and increase oxidative stress while simultaneously disrupting the antioxidant defense system of the bacteria.

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