Reactive oxygen species and seed germination
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 … 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.
Reactive oxygen species and seed germination
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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 … WebApr 13, 2013 · Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of seeds, and apparently play important roles in biological processes such as germination and dormancy. Germination and ROS accumulation …
WebJun 25, 2024 · Reactive oxygen species (ROS) are regarded as by-products of plant aerobic metabolism and are generated in several cellular compartments such as chloroplasts (Dietz et al., 2016), ... From seed … 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.
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 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 · Background and AimsDespite their toxicity, reactive oxygen species (ROS) play important roles in plant cell signalling pathways, such as mediating responses to stress or infection and in...
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 … lala studyWebJun 1, 2013 · Reactive oxygen species (ROS) are continuously produced by the metabolically active cells of seeds, and apparently play important roles in biological … lala sy joey starrWebHydroxyl 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 … lala sylvesterWebJun 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 … assai marginal tiete tatuapeWebNov 18, 2015 · Reactive oxygen species (ROS) promote the germination of several seeds, and antioxidants suppress it. However, questions remain regarding the role and production mechanism of ROS in seed germination. Here, we focused on … assai marginal tieteWebApr 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. assai manilhaWebSep 26, 2024 · The study observed biologically-reactive oxygen and nitrogen species, for example, NO, N 2 O and O, in FTIR measurements of the exhaust gas and in the emission spectrum of the discharge. Such... assai market