ArticlePlant cell reports2022
Seed priming with protein hydrolysate promotes seed germination via reserve mobilization, osmolyte accumulation and antioxidant systems under PEG-induced drought stress.
Article in Plant cell reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 39 citations in OpenAlex.
- An animal-derived protein hydrolysate alleviates osmotic stress-induced oxidative damage in tomato by activating ascorbate and glutathione cycle.BMC plant biology · 2026Article
- Metabolomics and biochemical analysis reveal the regulatory mechanism of exogenous sorbitol-chelated potassium on wheat under drought stress.Frontiers in plant science · 2026Article
- The optimization of crop response to climatic stress through modulation of plant stress response mechanisms. Opportunities for biostimulants and plant hormones to meet climate challenges.The New phytologist · 2026Review
- Elicitation with CaClPlant cell reports · 2025Article
- Regulation of seed germination: ROS, epigenetic, and hormonal aspects.Journal of advanced research · 2025Review
- Physiological and molecular mechanisms of nitrogen in alleviating drought stress in Phoebe bournei.Scientific reports · 2025Article
- Analysis of the threshold range of ROS concentration in winter rapeseed of theFrontiers in plant science · 2025Article
- Response of photosynthetic characteristics and antioxidant system in the leaves of safflower to NaCl and NaHCOPlant cell reports · 2024Article
- Genotype-specific germination behavior induced by sustainable priming techniques in response to water deprivation stress in rice.Frontiers in plant science · 2024Article
- Chitosan induced cold tolerance inFrontiers in plant science · 2024Article
- Article
- Elicitation with hydrogen peroxide promotes growth, phenolic-enrichment, antioxidant activity and nutritional values of two hydroponic lettuce genotypes.Food chemistry: X · 2023Article
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Authors and funding
7 authors at 1 institution in 1 country.
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Abstract
key messageSeed priming with pig blood protein hydrolysate improves tomato seed germination and seedling growth via regulation of reserve mobilization, osmotic adjustment, and antioxidant mechanism under drought conditions. Protein hydrolysates obtained from agro-industrial byproducts are widely recognized because of their positive roles in regulating plant responses to environmental stresses. However, little is known regarding the roles of animal protein hydrolysates in mediating seed drought tolerance and its underlying mechanisms. This study investigated the potential effects of seed priming on tomato seed germination and seedling growth under PEG-induced drought stress using protein hydrolysates derived from pig blood (PP). PP priming effectively alleviated the drought-induced reduction in seed germination traits, resulting in improved tomato seedling growth. PP priming enhanced the gene expressions and activities of amylase and sucrose synthase and soluble sugar, soluble protein, and free amino acid levels, thereby promoting reserve mobilization in seeds. PP priming also reduced osmotic toxicity through increased accumulations of proline, soluble protein, and soluble sugar. Drought stress substantially enhanced reactive oxygen species production and the subsequent increases in malondialdehyde levels and Evans blue solution uptake, which were substantially alleviated after PP priming via the improved activities of enzymatic and non-enzymatic antioxidants. Moreover, the increased DPPH free radical scavenging capacity and ferric reducing antioxidant power indicated that PP-treated tomato seedings had high antioxidant activities under drought stress. Therefore, PP priming is a novel, promising, and practicable method for improving tomato seed germination and seedling growth under drought stress.
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