Characteristics of Seed Vigor in Rice Varieties with Different Globulin Accumulations

Peng, Liling; Lu, Hulun; Chen, Jia-Jin Jason; Wu, Ziyan; Xiao, Zitong; Qing, Xindong; Song, Jukun; Wang, Zhoufei; Zhao, Jia

doi:10.3390/ijms23179717

Cited by 2 publications

(1 citation statement)

References 27 publications

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“…In our study, it was showed that AsCP would have a positive response at 32 h in imbibition of the aged seeds (Figure S4B). Rice varieties with high globulin accumulation have significantly higher seed vigor and the content of globulin can be applied to the assessment of seed vigor (Peng et al, 2022). Albumin is mostly distributed in the embryo and almost absent in the endosperm, and gliadin is mainly found in the endosperm, which could regulate seeds germination and growth (Xiong et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

Germination of aged oat seeds associated with changes in antioxidant enzyme activity and storage compounds mobilization

Yi,

Yue,

Yang

et al. 2023

Physiologia Plantarum

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Germination of aged seeds may be associated with specific metabolic changes. The objective of this study was to examine physiological and metabolic alterations before and after germination of control and aged oat (Avena sativa) seeds. The activity of antioxidant enzymes and the level of storage compounds were measured in the embryo and endosperm at 0, 4, 16, and 32 h of imbibition for control seeds and 0, 4, 16, 32, and 60 h of imbibition for medium vigor seeds after artificially accelerated aging; metabolomic changes were determined in embryos at 16 and 32 h of seed imbibition. In aged oat seeds, superoxide dismutase activity and catalase activity increased in the late imbibition stage. The content of soluble sugars decreased significantly in the later stages of imbibition, while the content of proteins increased in 32 h of seed imbibition eventually producing mannitol and proline. The mobilization of fat in deteriorated seeds was mainly through the sphingolipid metabolic pathway generated by cell growth‐promoting dihydrosphingosine‐1‐phosphate. Ascorbic acid, avenanthramide and proline levels increased significantly at 60 h of imbibition, playing an important role in the germination of aged oat seeds.

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Section: Discussionmentioning

confidence: 99%

Germination of aged oat seeds associated with changes in antioxidant enzyme activity and storage compounds mobilization

Yi,

Yue,

Yang

et al. 2023

Physiologia Plantarum

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Peptidomics analysis reveals stress response proteins involved in the establishment of seed vigor in tobacco

Wang,

Zhang,

Niu

et al. 2024

J. Seed Sci.

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Seed vigor of tobacco (Nicotiana tabacum L.) is established during seed development stage, while its regulators remain largely unknown. Here, a comparative peptidomics analysis of the developing seeds was conducted to reveal the regulators involving the establishment of tobacco seed vigor. The most significant difference of seed vigor was observed between seeds harvested at 20 and 30 days after pollination (DAP), and then the corresponding seeds were collected separately for peptidomics analysis. A total of 2932 and 2812 nonredundant peptides were identified in seeds harvested at 20 and 30 DAP, respectively. In which, 349 differentially expressed peptides (DEPs) were characterized. To explore the potential functions of these DEPs, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis were further analyzed according to their precursor proteins. Most DEP precursor proteins were involved in response to abiotic stimulus, response to water, and protein processing in endoplasmic reticulum. Further, the peptides derived from the precursor proteins, such as late embryogenesis abundant (LEA) protein, heat shock protein, peroxiredoxin, and globulin proteins, may regulates the establishment of seed vigor by influencing reactive oxygen species. The results provide a foundation for further exploration of the peptides functions on the establishment of seed vigor in tobacco.

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Characteristics of Seed Vigor in Rice Varieties with Different Globulin Accumulations

Cited by 2 publications

References 27 publications

Germination of aged oat seeds associated with changes in antioxidant enzyme activity and storage compounds mobilization

Germination of aged oat seeds associated with changes in antioxidant enzyme activity and storage compounds mobilization

Peptidomics analysis reveals stress response proteins involved in the establishment of seed vigor in tobacco

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