The induction of triglyceride metabolism in the germinating wheat grain

Tavener, R J; Laidman, D. L.

doi:10.1016/s0031-9422(00)88442-3

Cited by 25 publications

(17 citation statements)

References 12 publications

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“…This hormone has no effect on lipid mobilization in germinating wheat grains, in contrast with the breakdown of carbohydrates. However, the lipid metabolism in wheat seeds can be induced by the application of cytokinin and indol-3-yl acetic acid together with hydroxylamine (Taverner & Laidman, 1972).…”

Section: Discussionmentioning

confidence: 99%

The breakdown of lipid reserves in the endosperm of germinating castor beans

Marriott

Northcote

1975

Biochemical Journal

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1. Lipid extracts were obtained from castor-bean endosperm tissue at various times during germination and, after purification, the total lipid content was determined. Quantitative measurements of the triglyceride and phospholipid content together with the fatty acid composition were made. 2. The total lipid content of the endosperm rapidly decreased during germination; after 10 days less than 20% of the original weight of lipid remained. In contrast, the phospholipid content (initially less than 0.5 % of the total lipid) increased slightly during this time. The fatty acid composition and the relative proportions of the triglyceride species of the total lipid extract remained constant during 10 days of germination. 3. Gibberellic acid (0.3mM) markedly stimulated the rate oflipid breakdown but did not alter either the fatty acid composition or the relative proportion of triglyceride species. 4. The embyro had little effect on lipid metabolism in the endosperm tissue; only after 6 days of germination were differences observed in the rate of fat utilization in the presence and absence of the embryo.

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Section: Discussionmentioning

confidence: 99%

The breakdown of lipid reserves in the endosperm of germinating castor beans

Marriott

Northcote

1975

Biochemical Journal

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“…After the harvest, the inedible outer hull of the rice was removed, the BR was dried using a dryer (INBD-150E, Hansung, Iksan-shi, Korea) at 35 • C for 17 h, and the moisture content was determined as 15.9%. To prepare GBR, the dried BR were soaked in water in the fermenter (180 L, Rubbermaid Korea, Seoul, Korea) at 20 • C and then fine air bubbles were continuously provided by the air pump of the fermenter for 48 h. During germination, GBR samples were collected after 4,8,12,16,24,32,40, and 48 h, and non-germinated BR was used as a control (0 h).…”

Section: Br and Germinationmentioning

confidence: 99%

Metabolomic Analysis of Germinated Brown Rice at Different Germination Stages

Kim

Ahn

et al. 2020

Foods

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Brown rice (BR) is unpolished rice containing many bioactive compounds in addition to the basic nutrients of the rice grain. Herein, BR was germinated for up to 48 h to prepare germinated brown rice (GBR). The physiological and chemical changes in the GBR during germination were analyzed. GBR samples germinated for 48 h were in the radicle-emergence stage, but root formation was not observed. The change in the GBR metabolite profile during germination was analyzed to determine the effect of germination on the chemical profiles of the GBR samples. Twenty-five metabolites including acidic compounds, amino acids, sugars, lipid metabolites, and secondary metabolites were identified as the components that contributed to the variations in the GBR groups germinated for different time periods. Among the metabolites, the carbohydrates associated with energy production and lipid metabolites changed significantly. Based on the identified metabolites, a metabolomic pathway was proposed. Carbohydrate metabolism, citric acid cycle, and lipid metabolism were the main processes that were affected during germination. Although further studies on the relationship between the metabolite profile and nutritional quality of the GBR are needed, these results are useful for understanding the effect of germination on the physiological and chemical changes in BR.

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“…The induction of lipase activity during germination might be dependent on factors from embryo [65]. Early study of Shoshi and Reevers [66] showed the presence of two lipases in the endosperm of Castor been seed, acid lipase in dry seed and alkaline lipase during germination.…”

Section: Hydrolysis Of Storage Seed Lipidsmentioning

confidence: 99%

Metabolic Processes During Seed Germination

Ali¹,

Elozeiri²

2017

Advances in Seed Biology

125

102

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Seed germination is crucial stage in plant development and can be considered as a determinant for plant productivity. Physiological and biochemical changes followed by morphological changes during germination are strongly related to seedling survival rate and vegetative growth which consequently affect yield and quality. This study is aimed to focus on proceeding of the most vital metabolic processes namely reserve mobilization, phytohormonal regulation, glyoxylate cycle and respiration process under either stressful or non-stressful conditions that may be led to suggest and conduct the more successful experimental improvements. Seed imbibition triggered the activation of various metabolic processes such as synthesis of hydrolytic enzymes which resulted in hydrolysis of reserve food into simple available form for embryo uptake. Abiotic stresses potentially affect seed germination and seedling establishment through various factors, such as a reduction in water availability, changes in the mobilization of stored reserves, hormonal balance alteration and affecting the structural organization of proteins. Recent strategies for improving seed quality involved classical genetic, molecular biology and invigoration treatments known as priming treatments. H 2 O 2 accumulation and associated oxidative damages together with a decline in antioxidant mechanisms can be regarded as a source of stress that may suppress germination. Seed priming was aimed primarily to control seed hydration by lowering external water potential, or shortening the hydration period.

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The induction of triglyceride metabolism in the germinating wheat grain

Cited by 25 publications

References 12 publications

The breakdown of lipid reserves in the endosperm of germinating castor beans

The breakdown of lipid reserves in the endosperm of germinating castor beans

Metabolomic Analysis of Germinated Brown Rice at Different Germination Stages

Metabolic Processes During Seed Germination

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