Plant proton pumps as markers of biostimulant action
نویسندگان
چکیده
منابع مشابه
Proton pumps: mechanism of action and applications.
Recent progress in understanding the molecular structures and mechanisms of action of proton pumps has paved the way to their novel applications in biotechnology. Proton pumps, bacteriorhodopsin and ATP synthases in particular, are capable of continuous, renewable conversion of light to chemical, mechanical or electrical energy, which can be used in macro- or nano-scale devices. The capability ...
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Plant-derived protein hydrolysates (PHs) have gained prominence as plant biostimulants because of their potential to increase the germination, productivity and quality of a wide range of horticultural and agronomic crops. Application of PHs can also alleviate the negative effects of abiotic plant stress due to salinity, drought and heavy metals. Recent studies aimed at uncovering the mechanisms...
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The aim of this study was to evaluate the biostimulant action (hormone like activity, nitrogen uptake, and growth stimulation) of a plant-derived protein hydrolysate by means of two laboratory bioassays: a corn (Zea mays L.) coleoptile elongation rate test (Experiment 1), a rooting test on tomato cuttings (Experiment 2); and two greenhouse experiments: a dwarf pea (Pisum sativum L.) growth test...
متن کاملProton pumps in bacterial photosynthesis.
We have previously suggested that the cyclic electron-transport chain in Rhodopseudomonas sphaeroides and Rhodopseudomonas capsulata is arranged as two proton pumps operating in series, one pump being associated with the photochemical reaction centre and its immediate secondary donor (cytochrome c2) and acceptor (ubiquinone), and the other with the 'dark' electron transport through which the cy...
متن کاملThe mechanochemistry of V-ATPase proton pumps.
The vacuolar H(+)-ATPases (V-ATPases) are a universal class of proton pumps that are structurally similar to the F-ATPases. Both protein families are characterized by a membrane-bound segment (V(o), F(o)) responsible for the translocation of protons, and a soluble portion, (V(1), F(1)), which supplies the energy for translocation by hydrolyzing ATP. Here we present a mechanochemical model for t...
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ژورنال
عنوان ژورنال: Scientia Agricola
سال: 2016
ISSN: 0103-9016
DOI: 10.1590/0103-9016-2015-0076