Abstract：
:Melatonin (MEL; N-acetyl-5-methoxytryptamine) plays an important role in plant stress defense. Various plant species rich in this indoleamine have shown a higher capacity for stress tolerance. Moreover, it has great potential for plant biostimulation, is biodegradable and non-toxic for the environment. All this indicates that our concept of seed enrichment with exogenous MEL is justified. This work concerns the effects of corn (Zea mays L.) seed pre-sowing treatments supplemented with MEL. Non-treated seeds (nt), and those hydroprimed with water (H) or with MEL solutions 50 and 500 μM (HMel50, HMel500) were compared. Positive effects of seed priming are particularly apparent during germination under suboptimal conditions. The impact of MEL applied by priming on seed protein profiles during imbibition/germination at low temperature has not been investigated to date. In order to identify changes in the corn seed proteome after applying hydropriming techniques, purified protein extracts of chilling stressed seed embryos (14 days, 5°C) were separated by two-dimensional electrophoresis. Then proteome maps were graphically and statistically compared and selected protein spots were qualitatively analyzed using mass spectrometry techniques and identified. This study aimed to analyze the priming-induced changes in maize embryo proteome and at identifying priming-associated and MEL-associated proteins in maize seeds subjected to chilling. We attempt to explain how MEL expands plant capacity for stress tolerance.
journal_name
J Plant Physioljournal_title
Journal of plant physiologyauthors
Kołodziejczyk I,Dzitko K,Szewczyk R,Posmyk MMdoi
10.1016/j.jplph.2016.01.012subject
Has Abstractpub_date
2016-04-01 00:00:00pages
47-56eissn
0176-1617issn
1618-1328pii
S0176-1617(16)00027-4journal_volume
193pub_type
杂志文章abstract：:Alterations in temperature adaptation processes and changes in the content of stress-related compounds, polyamines and salicylic acid were evaluated in Atnoa1 (NO-associated 1) Arabidopsis mutant. The F(v)/F(m) chlorophyll-a fluorescence induction parameter and the actual quantum yield were significantly lower in the ...
journal_title：Journal of plant physiology
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abstract：:Cell wall polysaccharides, pectin composition, as well as apoplastic superoxide dismutase and peroxidase activities were investigated in strawberry (Fragaria x ananassa) cultivars (cvs) Korona and Elsanta differing in their ozone sensitivity. Plants were exposed to 140-170 microg m(-3) ozone either short-term for 7 da...
journal_title：Journal of plant physiology
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abstract：:Characterization of the photosynthetic electron transport in a mutant of Spirulina platensis, generated by chemical mutagenesis, demonstrated that the electron transfer from the plastoquinone (PQ) to cytochrome b6/f was slowed. Thermoluminescence (TL) measurements suggested the presence of reversed energy flow via PQ,...
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abstract：:Glycolate oxidase (EC 1.1.3.15) activity was detected both in the bundle sheath (79%) and mesophyll (21%) tissues of maize leaves. Three peaks of glycolate oxidase activity were separated from maize leaves by the linear KCl gradient elution from the DEAE-Toyopearl column. The first peak corresponded to the glycolate o...
journal_title：Journal of plant physiology
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pub_type： 杂志文章,评审
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更新日期：2016-09-20 00:00:00
abstract：:Thymus vulgaris L. (Lamiaceae), a well-known aromatic medicinal herb, has many important essential constituents in its oil, including γ-terpinene, carvacrol, thymol, and p-cymene. Gibberellins comprise hundreds of components, which regulate several various growths and underlying developmental processes, such as cell d...
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pub_type： 杂志文章
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abstract：:In sterile cultivated protonema of the moss Funaria hygrometrica we found a promotion of ethylene formation by ACC but not by other possible precursors such as 2-ketoglutarate or glutamate. The ACC contents and ethylene formation during development of protonema were correlated. Both ACC contents and ethylene formation...
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abstract：:Change of extracellular ion concentration in the main pulvinus of Mimosa pudica L. during a slow downward movement induced by white light (0.24 mW cm(-2)) was investigated using K(+)- and Cl(-)-selective electrodes and a pH electrode. The photostimulation induced a transient and concurrent efflux of K(+) and Cl(-) fro...
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pub_type： 杂志文章
doi：10.1016/S0176-1617(84)80043-7
更新日期：1984-08-01 00:00:00
abstract：:The well-known neurotransmitter 5-hydroxytryptamine (serotonin) not only regulates sleep and mood in humans and animals but may also play important roles in modulating growth, development, and defense responses, such as seed germination, flowering, and abiotic stress tolerance, in plants. Serotonin inhibits primary ro...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2018.07.004
更新日期：2018-10-01 00:00:00
abstract：:This study revealed that cytosolic aconitase (ACO, EC 4.2.1.3) and isocitrate lyase (ICL, EC 4.1.3.1, marker of the glyoxylate cycle) are active in germinating protein seeds of yellow lupine. The glyoxylate cycle seems to function not only in the storage tissues of food-storage organs, but also in embryonic tissue of ...
journal_title：Journal of plant physiology
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doi：10.1016/j.jplph.2011.05.016
更新日期：2011-10-15 00:00:00
abstract：:Changes in plasma membrane lipids, such as sterols and fatty acids, have been observed as a result of salt stress. These alterations, together with modification of the plasma membrane protein profile, confer changes in the physical properties of the membrane to be taken into account for biotechnological uses. In our e...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2014.12.003
更新日期：2015-03-01 00:00:00
abstract：:The study was performed in order to investigate a simple, efficient, reliable and rapid method of extracting and quantifying natural vitamin E for pressurized liquid extraction (PLE) as well as high-performance liquid chromatography (HPLC) analysis. Lyophilized Corylus avellana L. nut samples were powdered by high-spe...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2005.04.018
更新日期：2005-11-01 00:00:00
abstract：:The aim of the present work was to analyze the impact of salinity on the plant response to Cd toxicity in the Mediterranean halophyte species Inula crithmoides. For this purpose, cuttings were cultivated hydroponically during 21d in the presence of 0, 25 or 50μM CdCl2 combined or not with 0, 100, 200 and 400mM NaCl. T...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2017.05.018
更新日期：2017-09-01 00:00:00
abstract：:We present here the comparative protective potentiality of exogenously applied polyamines (PAs), namely spermidine (Spd) and spermine (Spm), in mitigating NaCl toxicity and inducing short-term salinity tolerance in three indica rice varieties, namely M-1-48 (salt-sensitive), Nonabokra (salt-tolerant) and Gobindobhog (...
journal_title：Journal of plant physiology
pub_type： 杂志文章
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更新日期：2011-03-01 00:00:00
abstract：:Flash induced 685 nm fluorescence emission of preilluminated and dark kept Chlamydobotrys stellata has been measured under conditions of CO(2)-deprivation. The difference in fluorescence intensity between dark kept and preilluminated cells is taken as a measure for the reduced state of the primary stable electron acce...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/S0176-1617(85)80227-3
更新日期：1985-03-01 00:00:00
abstract：:High salinity is a major abiotic stress that affects the growth and development of plants. This type of stress can influence flowering, the production of crops, defense mechanisms and other physiological processes. Previous studies have attempted to elucidate salt-tolerance mechanisms to improve plant growth and produ...
journal_title：Journal of plant physiology
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doi：10.1016/j.jplph.2016.08.015
更新日期：2016-11-01 00:00:00
abstract：:Olive tree (Olea europaea L.) is an important crop in the Mediterranean Basin where drought and salinity are two of the main factors affecting plant productivity. Despite several studies have reported different responses of various olive tree cultivars to salt stress, the mechanisms that convey tolerance and sensitivi...
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更新日期：2016-10-01 00:00:00
abstract：:A ribosome undergoes significant conformational changes during elongation of a polypeptide chain, and these are correlated with structural changes of rRNAs. We tested 15 different oligonucleotides complementary to the selected, highly conserved seqences of rRNAs (L-rRNA, 5S rRNA and tRNA) important in protein biosynth...
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abstract：:The accumulation of 5,6-O-methyl trans-aconitate in wheat was previously found to be linked with the presence of powdery mildew (Blumeria graminis) and silicon (Si) feeding. In this work, we sought to determine if trans-aconitate (TA) could act as a precursor of methylated forms of TA in wheat and if a relationship ex...
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journal_title：Journal of plant physiology
pub_type： 杂志文章
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abstract：:Saliva miltiorrhiza ethylene response factor (SmERF), predicted to be expressed genome-wide, is the potential regulator of tanshinone biosynthesis. However, few studies have investigated its transcriptional regulation pathways in tanshinone biosynthesis. Here, we report an ethylene response factor (SmERF8), which was ...
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更新日期：2020-01-01 00:00:00
abstract：:Gibberellin 20-oxidases, enzymes of gibberellin (GA) biosynthesis, play an important role in (GA) homeostasis. To investigate the regulation of tomato SlGA20ox1 expression, a genomic clone was isolated, its promoter transcriptionally fused to the GUS reporter gene, and the construct used to transform Arabidopsis. Expr...
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pub_type： 杂志文章
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更新日期：2010-09-15 00:00:00
abstract：:The effect of excess copper on the expression of soluble proteins in 10-day old Phaseolus vulgaris seedlings was studied with two-dimensional electrophoresis and mass spectrometry, to find sensitive biochemical markers of exposure. Despite major differences in root Cu contents, both 15 and 50 microM Cu treatments resu...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2004.07.018
更新日期：2005-04-01 00:00:00
abstract：:This article reports marked modulation of the activity and regulatory properties of phosphoenolpyruvate carboxylase (PEPC) by temperature and light in leaf discs as well as leaves of Amaranthus hypochondriacus. The activity of PEPC increased by 1.7-fold at 45 degrees C over 25 degrees C. Warm temperature also stimulat...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2007.09.003
更新日期：2008-07-07 00:00:00
abstract：:A fragment encoding a partial sequence of a prohibitin (Phb) gene was isolated. The expression of Phb mRNA and protein in seeds of wild type and mutant Arabidopsis thaliana is presented. Phb mRNA is abundant in wild-type seeds; thus, it may have sequence or structural characteristics responsible for this stability. Th...
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pub_type： 杂志文章
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更新日期：2007-03-01 00:00:00
abstract：:Drought is one of the stresses that limit the yield of barley. Despite extensive studies focused on the issue, the molecular mechanism of the response to drought is still not fully understood. In our previous study, we proposed drought-induced signal perception controlled by actin filaments (AFs). To test this hypothe...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2016.02.006
更新日期：2016-04-01 00:00:00
abstract：:We observed the release of the benzoxazinoids defense molecules on the surface of the primary root and the coleoptilar node in Zea mays during the emergence of lateral- and crown-roots, respectively. At later stages of crown root and lateral root development, benzoxazinoids around the emerged roots were no longer obse...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2004.01.005
更新日期：2004-08-01 00:00:00
abstract：:This study investigates the influence of various rootstocks for pear on the phytochemical composition in the phloem above and below the graft union and the role of phenols in pear graft incompatibility. Assays of phloem with cambium from 4-year-old 'Conference', 'Abate Fetel' and 'Williams' pear trees grafted on diffe...
journal_title：Journal of plant physiology
pub_type： 杂志文章
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更新日期：2014-03-01 00:00:00
