deficiency

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deficiency

Biology the absence of a gene or a region of a chromosome normally present
References in periodicals archive ?
Copper deficiency has been recognized as a cause of neurologic diseases in offspring due to deficiency of this metal in their dams (SILVA et al.
Deficiencies in copper can also result in posterior column dysfunction with bone marrow suppression and degeneration of the spinal cord, resulting in the socalled "human swayback disease," normally only seen in domesticated ruminants with copper deficiency (Bolamperti et al.
Copper deficiency induced by tetrathiomolybdate suppresses tumor growth and angiogenesis.
The ability of neutrophils to kill microorganisms is reduced during copper deficiency (Spears and Weiss, 2008).
A copper deficiency also can cause weakened heart and blood vessels.
Copper deficiency is often associated with increased incidence of root rot, stem and head Melanesia (purpling, appears as brown patches in the field at maturity) and possibly may increase the incidence of ergot [29].
2000) showed that copper deficiency affects lipid metabolism, resulting in high levels of triglycerides, phospholipids and cholesterol in rat serum.
Free choice minerals should also be provided, but care should be taken with sheep and goats as goats require much higher amounts of copper than sheep, and feeding the wrong feed can result in copper deficiency or toxicity.
Copper deficiency results in augmentation of iron in the liver, whereas an excess of copper consequences in diminishing of iron content of liver.
Hypermolybdenosis also induces copper deficiency leading to reduced activity of copper containing enzyme superoxide dismutase which is part of erythrocyte protection mechanism against oxidative stress.
Since normal copper metabolism is important for eye health, future research may focus on whether copper deficiency could place someone at higher risk for nearsightedness.
The symptoms of copper deficiency are similar to those of iron-deficiency anaemia [28].