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violaxanthin/kukuřice setá

Odkaz je uložen do schránky
ČlánkyKlinické testyPatenty
11 Výsledek

A violaxanthin de-epoxidase interacts with a viral suppressor of RNA silencing to inhibit virus amplification.

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Přihlášení Registrace
RNA silencing plays a critical role against viral infection. To counteract this antiviral silencing, viruses have evolved various RNA silencing suppressors. Meanwhile, plants have evolved counter-counter defense strategies against RNA silencing suppression (RSS). In this study, the violaxanthin

Abscisic acid, xanthoxin and violaxanthin in the caps of gravistimulated maize roots.

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Přihlášení Registrace
The occurrence and distribution of abscisic acid (ABA), xanthoxin (Xa) and the carotenoid violaxanthin (Va) were investigated in root tips of maize (Zea mays L. cv. Merit). In roots grown in the dark, Va and ABA were present in relatively high amounts in the root cap and in low amounts in the

Abscisic acid, xanthoxin and violaxanthin in the caps of gravistimulated maize roots.

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Přihlášení Registrace
The occurrence and distribution of abscisic acid (ABA), xanthoxin (Xa) and the carotenoid violaxanthin (Va) were investigated in root tips of maize (Zea mays L. cv. Merit). In roots grown in the dark, Va and ABA were present in relatively high amounts in the root cap and in low amounts in the
Infiltrating detached maize (Zea mays L.) leaves with L-galactono-1,4-lactone (L-GAL) resulted in a 4-fold increase in the content of leaf ascorbate. Upon exposure to high irradiance (1000 mumol photons m-2 s-1) at 5 degrees C, L-GAL leaves de-epoxidized the xanthophyll-cycle pigments faster than
Non-photochemical quenching of chlorophyll fluorescence (NPQ) and quantum yield of photosystem II (PSII) were studied with intact mesophyll chloroplasts of maize (Zea mays L.) during the initial minutes of illumination using the pulse-modulated chlorophyll fluorescence technique. Non-photochemical

Xanthophyll content of selected vegetables commonly consumed in the Philippines and the effect of boiling.

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Přihlášení Registrace
The purpose of this study was to quantify xanthophylls in selected vegetables commonly consumed in the Philippines and to investigate the effect of boiling on their availability. Thirteen vegetables were grouped into green-leafy and non-leafy. Results showed that fresh malunggay contains the highest

Xanthophyll epoxides, unlike beta-carotene monoepoxides, are not detectibly absorbed by humans.

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Přihlášení Registrace
Increased intake of fruits and vegetables is associated with reduced risk of cancer and other chronic diseases. Epoxycarotenoids are widely distributed in nature and constitute major dietary carotenoids in a number of fruits and vegetables. Previous studies have shown that beta-carotene 5,6-epoxide

Abscisic acid biosynthesis in roots : I. The identification of potential abscisic acid precursors, and other carotenoids.

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Přihlášení Registrace
The pathway of water-stress-induced abscisic acid (ABA) biosynthesis in etiolated and light-grown leaves has been elucidated (see A.D. Parry and R. Horgan, 1991, Physiol. Plant. 82, 320-326). Roots also have the ability to synthesise ABA in response to stress and it was therefore of interest to

ZmCCD10a encodes a distinct type of carotenoid cleavage dioxygenase and enhances plant tolerance to low phosphate

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Přihlášení Registrace
Carotenoid cleavage dioxygenases (CCDs) drive carotenoid catabolism to produce various apocarotenoids and immediate derivatives with particular developmental, ecological, and agricultural importance. How CCD genes evolved with species diversification and the resulting functional novelties in cereal

Dynamics of chromophore binding to Lhc proteins in vivo and in vitro during operation of the xanthophyll cycle.

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Přihlášení Registrace
Three plant xanthophylls are components of the xanthophyll cycle in which, upon exposure of leaves to high light, the enzyme violaxanthin de-epoxidase (VDE) transforms violaxanthin into zeaxanthin via the intermediate antheraxanthin. Previous work () showed that xanthophylls are bound to Lhc

The role of cis-carotenoids in abscisic acid biosynthesis.

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Přihlášení Registrace
Evidence has been obtained which is consistent with 9'-cis-neoxanthin being a major precursor of abscisic acid (ABA) in higher plants. A mild, rapid procedure was developed for the extraction and analysis of carotenoids from a range of tissues. Once purified the carotenoids were identified from
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