Reactive oxygen species and seed germination

Author: xfbk

August undefined, 2024

WebMar 13, 2024 · Previous studies have shown that the accumulation of reactive oxygen species (ROS) in seed species severely inhibits seed germination [10,11]. Additionally, … WebRNS are regulatory molecules of various physiological processes in plants, including seed formation, maturation, dormancy and germination. The free radical theory of aging, well documented for animals, indicated that RNS participate in the regulation of the life span.

High temperature and drought stress cause abscisic acid and reactive …

WebApr 8, 2024 · Seed imbibition induced melatonin 2-hydroxylase (M2H) expression, leading to 2-OHM synthesis, which triggered reactive oxygen species (ROS) production followed by gibberellic acid (GA) biosynthesis, resulting in increased seed germination. Paclobutrazol treatment nullified 2-OHM-mediated seed germination enhancement. WebJun 14, 2024 · Reactive oxygen species (ROS) are believed to initiate seed aging via the degradation of cell membrane phospholipids and the structural and functional … nicknames for the name asia

Special Issue "Reactive Oxygen and Nitrogen Species in Plants"

WebJul 1, 2010 · Introduction. Reactive oxygen species (ROS), including the superoxide anion radical (O 2 −), hydrogen peroxide (H 2 O 2), the hydroxyl radical (OH) and singlet oxygen … WebApr 10, 2024 · Plant endogenous hormones play an essential role in seed germination . Gibberellin (GA) is an important regulatory hormone that can break seed dormancy and … WebMar 30, 2024 · Furthermore, we discuss how reactive oxygen species and the associated redox processes, which are intrinsically linked to energy carbohydrate metabolism, also play a key role in the orchestration of quiescence. ... (Rushton et al., 2010), ABI4 also regulates development, and is important in processes such as seed germination (Finkelstein et al ... nicknames for the name ben

Integrated metabolomics and transcriptomics analysis during seed …

Reactive Oxygen Species Signaling and Seed Germination

WebMar 3, 2024 · As a consequence, reactive oxygen species (ROS) are produced during all phases of seed development, from seed dehydration to storing and germination, posing different outcomes on seed longevity and quality [ 5, 6, 7 ]. WebReactive oxygen species and seed germination MarceloPedrosaGomes1,2*&QueilaSouzaGarcia3 1Université du Québec `a Montréal, Institut des Sciences de l’environnement, Succ. Centre-Ville, C.P. 8888,H 3C P8, ... Abstract: Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of … nicknames for the name briannaWebApr 13, 2024 · How these seeds germinate and infect the host is unknown (Wicaksono et al., 2024), but after the seed germinates in the host, ... Oxidoreductases catalyze redox reactions that produce reactive oxygen species (ROS), and in parasitic plants, ... nicknames for the name autumn

"WebHere, we demonstrate that COP1 is a negative regulator of the ABA-mediated inhibition of seed germination. Disruption of COP1 enhanced Arabidopsis seed sensitivity to ABA and increased reactive oxygen species (ROS) levels. In seeds, ABA induced the translocation of COP1 to the cytoplasm, resulting in enhanced ABA-induced ROS levels. " - Reactive oxygen species and seed germination

Reactive oxygen species and seed germination

WebFeb 23, 2024 · Reactive oxygen species (ROS) play an essential role in the regulation of seed dormancy, germination, and deterioration in plants. The low level of ROS as signaling … WebHydroxyl radical (center dot OH) is considered to be the most damaging among reactive oxygen species. Although a few studies have reported on its effects on gr ... The …

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Web摘要： A number of studies have shown the existence of cross-tolerance in plants, but the physiological mechanism is poorly understood. In this study, we used the germination of … Webseed germination rate, and different species have different minimum and maximum temperatures below and above which seed germination is suppressed, such as Arabidopsis (Chiu et al. 2012), sunflower (Bin and Dinkova 2015), and rice (Mangrauthia et al. 2016). Moreover, water availability affects seed germination (Williams and Shaykewich 1971;

WebJun 1, 2024 · reactive oxygen species SNAP S-nitroso-N-acetyl-DL-pencillamine SNO ABI5 S-nitrosylated abscisic acid insensitive 5 SNO SnRKS-nitrosylated sucrose non-fermenting 1 (SNF1)-related protein kinases SNO S-nitrosothiol SNP sodium nitroprusside SnRK sucrose non-fermenting 1 (SNF1)-related protein kinases SOD superoxide dismutase S-S disulfide … WebJun 1, 2013 · Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of seeds, and apparently play important roles in biological …

WebNov 6, 2012 · Recently, as one of such factors, the relationship between seed germination and reactive oxygen species (ROS) in species such as Arabidopsis thaliana ... From intracellular signaling networks to cell death: the dual role of reactive oxygen species in seed physiology. Comptes Rendus Biologies. 2008; 331:806–814. [Google Scholar] WebAug 12, 2015 · Background Reactive oxygen species (ROS) are considered to be detrimental to seed viability. However, recent studies have demonstrated that ROS have key roles in seed germination particularly in the release of seed dormancy and embryogenesis, as well as in protection from pathogens.

WebSep 11, 2024 · In these cases the mechanism of dormancy imposition by the seed coat and endosperm barrier is not always entirely clear; but a feature of these seeds is a low oxygen environment, and increasing the partial pressure of oxygen often results in faster germination and higher germination rates.

WebMar 23, 2024 · In this study, we used Zhonghua11 (ZH11) with a weak dormancy, and Introgression line (IL) with a strong dormancy to study the mechanism of hormones and reactive oxygen species (ROS) crosstalk regulating rice dormancy. The germination experiment showed that the germination rate of ZH11 was 76.86%, while that of IL was … now a days in frenchWebApr 17, 2014 · Introduction. Seed germination begins with water uptake and ends with the emergence of the radicle (RAD) through the surrounding seed tissues (Bewley et al., … now a days in a sentenceWebAbstract: Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of seeds, and appar-ently play important roles in biological processes such as … nicknames for the name brieWebReactive oxygen species (ROS) plays a wide role in all stages of plant growth and development. Recent reports suggest that ROS plays a major role in the fusion of male … nowadays internetWebApr 18, 2024 · In the present study, we investigated the roles of the plant hormone abscisic acid (ABA) and reactive oxygen species (ROS) in high temperature (HT) and drought-induced inhibition of rice seed germination. HT and drought stress caused ABA accumulation in seeds and inhibited seed germination and seedling establishment. nicknames for the name bryanWebJun 1, 2013 · Germination and ROS accumulation appear to be linked, and seed germination success may be closely associated with internal ROS contents and the activities of ROS … nicknames for the name averyWebApr 13, 2024 · The objective of this article is to present an overview about (i) general mechanisms of ROS homeostasis in plants, (ii) ROS homeostasis in dry seeds, (iii) ROS … nicknames for the name brooke