Reactive oxygen species and seed germination

Author: xitl

August undefined, 2024

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. WebApr 17, 2014 · Involvement of reactive oxygen species in endosperm cap weakening and embryo elongation growth during lettuce seed germination.pdf Available via license: CC BY 3.0 Content may be subject to copyright.

Frontiers Mechanisms of ROS Regulation of Plant …

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 ... WebApr 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. iran ofac general licenses

Implications of reactive oxygen and nitrogen species in seed …

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 treatment resulted in faster seed germination and early seedling growth under non-stressed conditions, and, interestingly, these effects were more prominent under abiotic ... WebJun 1, 2013 · Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of seeds, and apparently play important roles in biological … 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; iran nuclear talks break off without a deal

Reactive oxygen species and seed germination

Response to temperature stress of reactive oxygen species …

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, superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) are essential enzymes involved in ROS metabolism, and an increase in their activity contributes to the … 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] iran nuclear sanctions ukWebFeb 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 … ord. dr. thomas handl

"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 … " - Reactive oxygen species and seed germination

Reactive oxygen species and seed germination

Special Issue "Reactive Oxygen and Nitrogen Species in Plants"

WebSuperoxide dismutase (SOD) can effectively eliminate the accumulation of reactive oxygen species (ROS) during the rapid growth of plant organs under biotic and abiotic ... WebJun 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 …

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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 … WebMar 27, 2009 · It has been suggested that reactive oxygen species participate in the injury and death of sensitive plants treated with auxin herbicides, and a role for xanthine oxidase (XOD) and for peroxisomes in the oxidative stress and senescence induced by auxin Herbicides in the leaves ofsensitive plants is suggested. 10 ... 1 2 3 4 5 ... References

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 … 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 …

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. WebJun 27, 2024 · Seed germination is a critical step in the life cycle of higher plants. During germination, viable seeds develop into plants upon imbibition in water, which then allows for embryo growth until the radicle breaks through the peripheral tissue structures (endosperm and seed coat; Bewley et al., 2013).

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 …

WebNov 1, 2024 · Reactive oxygen species (ROS) function as signaling molecules to regulate seed germination [13]. Thus, it was of interest to examine accumulations of O 2 − and H 2 … ord-budWebApr 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 … ord.dignityhealth.orgWebMar 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 … iran nuclear plantsWebReactive oxygen species have a dual role in seed physiology. Understanding the relative importance of beneficial and detrimental effects of ROS provides great scope for the … iran oclockWebHere, 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. iran nuclear facility cyberattack iran nuclear weapons 2023WebAbstract: 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 … iran nuclear talks jcpoa