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1. The act or process of degrading.
2. The state of being degraded; degeneration.
3. A decline to a lower condition, quality, or level.
4. Geology A general lowering of the earth's surface by erosion or weathering.
5. Chemistry Decomposition of a compound, especially complex substances such as polymers and proteins, by stages, exhibiting well-defined intermediate products.

deg′ra·da′tive adj.


formal causing degradation
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References in periodicals archive ?
The PQC system is composed of two main arms: Firstly the molecular chaperone, mainly represented by the heat shock proteins (HSPs) and secondly the degradative pathways, including the proteasome, the autophagic response and the unfolded protein response (UPR).
Adult mesenchymal stem cells (MSCs) work by stopping the natural breakdown of tissue by degradative or "catabolic" proteins and over time reversing the process to stimulate healing.
Coupled with the presence of residual amounts of other degradative enzymes such as proteases and lipases, both host origin and from the intestinal flora, it's a very hostile environment from which to try to recover any intact RNA.
Poorly formed joints develop damage to the joint cartilage that leads to a buildup of debris and degradative enzymes in the joint capsule.
The degradative temperatures, registered by TGA, of TPU and TPU nanocomposites were summarized in Table 2 while the thermograms were shown in Fig.
During fruit senescence, ethylene and abscisic acid act together with degradative enzymes that gradually reduce the physiological capacity of the cells due to catabolic processes, cell dehydration and accentuated invasion of microorganisms, resulting in pulp softening (Chitarra & Chitarra, 2005; Saquet & Streif, 2012).
Lipid oxidation in meat is one of the major degradative change responsible for loss of meat quality.
In turn, as viruses often serve as valuable tools to study cell function, this work is likely to uncover new insights into how cells spatially and temporally regulate their own degradative capacities.
During fruit ripening, degradation in a chlorophyll is generally more intense than in b chlorophyll, since b chlorophyll has to be converted to a chlorophyll to enter the degradative route (MATILE et al.
Chlorophyll catabolism in senescing plant tissues: In vivo breakdown intermediates suggest different degradative pathways for citrus fruit and parsley leaves.
Strains ZP-FP5 and ZP-F6 exhibited maximum pectin degradative properties by producing zones of 45 and 40 mm sizes respectively as shown in Figure 2.