Clegg has concluded that Artemia embryos have a multicast of forms of water and during dehydration an inhibition of cellular metabolism occurs with each loss of variable water types. Water ranges within a cell from 0.65 to 0.3 g/g restricts cellular metabolism shutting down such occurrences as cellular respiration, protein synthesis and cellular metabolism. After the cells’ water hydration level drops to 0.3 to 0 g/g all catalysis of enzymes is stopped.

In order for a protein to be degraded the ubiquitin molecule must be activated by the E-1 enzyme. Therefore, in order for a cell to cease in protein degradation the depression of ubiquitin must occur. As of not yet proven but decrease in ph accompanied by changes in the adenylate pool are thought to alter protein degradation by ubiquitin.

The ability of many organisms to conserve energy during metabolic rate depression has been widely explored and documented. Many organisms have been observed using this idea of metabolic downregulation during environmental conditions such as cold, desiccation anoxia, and starvation. Organisms have survived countless types of environmental stress by the capability to down regulate their cellular metabolism. Different degrees of metabolic depression can increase the survivability of these organisms when energy supplies are limited due to environmental stress (Hand and Hardwiring). There are few mechanisms utilized by these organisms to counteract various degrees of environmental stress in order to lower energy usage by the cells.

A. limnaeus embryos reduce water loss during diapause. B-sheets within the embryo’s egg envelopes or chorions increase their contact by 36% to aid in the conservation of water needed during times of diapause. The perivitelline space in the egg envelope of the embryo is found to form a hydrophobic barrier within the embryo keeping the eggs from drying. These perivitelline spaces are also believed to vitrify of form a glass substance aiding in water retention (Podrabsky et al.).

The protein that makes up the egg envelope also plays a role in conserving water during diapause. Amyloid proteins have a unique structure that protects against mechanical disruption, invading microbes and retention of water (Podrabsky et al.).

Some topics in this essay:
Hand Hardweig, Podrabsky Hand, , Hand Hardwiring, Hardweig Gnaiger, Diapause II, Slowing ADP, II III, Hersheg Physiological, protein synthesis, Hand Hordweig, cellular metabolism, et al, environmental stress, ion pumping, hand hardweig, diapause ii, ground squirrel, protein degradation, limnaeus embryos, hand limnaeus embryos, podrabsky hand limnaeus, depression protein synthesis, mitochondria ground squirrel, liver mitochondria ground,