Примери за използване на Polyamines на Английски и техните преводи на Български
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What's more, polyamines actually smell bad.
The body uses it in the biosynthesis of L-arginine,L-proline and polyamines.
Polyamines are required to maintain the stability of double-stranded DNA.
It is used in the body in the biosynthesis of L-arginine,L-proline and polyamines.
Polyamines, such as spermidine, are polycationic aliphatic amines and are multifunctional.
Ornithine decarboxylase: processes ornithine as the first step in the production of polyamines.
In the absence of polyamines(spd and spm), calmodulin activity declines dramatically.
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Polyamines are polycations that interact with RNA and DNA and are associated with stress, aging, and cancer.
Also through calmodulin activity, polyamines appear to be inhibitors of self destruction of the cell.
It also supports mental and nervous system health, andprotects the health of cells by mitigating polyamines and acting as an antioxidant.
Spermidine is a precursor to further polyamines, such as spermine and its structural isomer thermospermine.
Polyamines seem to be a kind of cellular glue which can be and is turned off selectively(in older leaves during progressive senescence) when needed.
Conversely loss of control over the synthesis of polyamines may be one of the causes of tumor formation in plants and animals.
These polyamines are then^responsible for delaying final senescence, by inhibiting the synthesis or the activity of already synthesized hydrolytic proteins(the"ases".).
Another intriguing finding by Suresh(1978 Coats? 3)suggests where polyamines may fit in the causal chain entailed in final senescence.
The action of polyamines might be one mechanism that plants(and animals too) have for keeping their constituent cells under control.
Spermidine-rich wheat germ extract is obtained from non-fermented, non-sprouting wheat germs(Triticum aestevium) by the process of solid-liquid extraction targeting specifically, butnot exclusively polyamines.
Also, spermidine is a precursor to other polyamines, such as spermine and thermospermine, some of which contribute to tolerance against drought and salinity in plants.
PLP plays a role in the conversion of levodopa into dopamine, facilitates the conversion of the excitatory neurotransmitter glutamate to the inhibitory neurotransmitter GABA, and allows SAM to be decarboxylated to form propylamine,which is a precursor to polyamines.
The latter authors were then able to explain why polyamines inhibit detached leaf senescence-they found that DNase and protease activity were greatly inhibited by spm and spd.
There are three areas that appear worthy of a little further discussion, the implications for agriculture of the knowledge gained from the study of plant senescence,the implications of this knowledge for a general understanding of the role of polyamines in plant biology, and finally the implications of the annual strategy for the broader issues of mortality and immortality.
Although all the polyamines we tested were able to participate in formation of RNA-rich droplets, they differed in their ability to support RNA elongation,” said Christine Keating, professor of chemistry at Penn State and a senior author on the paper.
It has been proven that L-arginine improves the synthesis of growth factors(polyamines) involved in the tissue growth process and, as shown by clinical trials, it promotes protein synthesis in the body.
The research on all polyamines mentioned above, along with some other research mentioned later, led Galston(1982) to conclude that spm and spd are some sort of second messengers for Zeatin(a Cytokinin), IAA and GA(Gibberellic acid) in the final senescence process.