Degradation starvation conditions

Answer Lysine and leucine are exclusively ketogenic. These amino acids are degraded entirely to acetyl-CoA and acetoacetyl-CoA, and no parts of their carbon skeletons can be used for glucose synthesis. Leucine is especially common in proteins. Its degradation makes a substantial contribution to ketosis under starvation conditions. 

Self-preservation. Blue-green bacteria deprived of a source of nitrogen digest their least-essential proteins. Which phycobilisome component is likely to be degraded first under starvation conditions ... 

Experiments carried out during early stationary phase cultures (a carbon starvation condition that provokes a rapid PHA degradation) of P. oleovorans and its phaZ minus mutant showed that the mutant strain was more sensitive to heat and oxidative shocks than the wild type. In P. putida, impaired survival and resistance to oxidative stress of an rpoS mutant was shown under conditions inducing PHA accumulation (Raiger-Iustman and Ruiz 2008). 

Degradation Caused by Dynamic Operation and Starvation Conditions... 

In this section, measurement techniques for the detection of starvation conditions and for cell characterization during the degradation processes are presented. 

In summary, we conclude that a uniform reactant gas distribution across the entire stack is most effective in order to prevent starvation conditions. In addition, high electrode potentials y > 0.9 V under cycling conditions and stationary operation have to be avoided. There are effective start-up and shut-down procedures that strongly reduce cell degradation induced by the RCD mechanism. By means of these mitigation strategies, long-term stability is optimized. 

The primary fate of acetyl CoA under normal metabolic conditions is degradation in the citric acid cycle to yield C02. When the body is stressed by prolonged starvation, however, acetyl CoA is converted into compounds called ketone bodies, which can be used by the brain as a temporary fuel. Fill in the missing information indicated by the four question marks in the following biochemical pathway for the synthesis of ketone bodies from acetyl CoA ... 

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