Growth, nutrient uptake and transcriptome profiling of rice seedlings in response to mixed provision of ammonium- and nitrate-nitrogen

Fu, Youqiang; Zhong, Xin; Lu, Chusheng; Liang, Kun; Pan, Jiluan; Hu, Xiangyu; Hu, Rui; Li, Meijuan; Ye, Qunhuan; Liu, Yanzhuo

doi:10.1016/j.jplph.2023.153976

Cited by 7 publications

(6 citation statements)

References 28 publications

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“…However, some new sprouts from the main stems were observed in each group of planted pots under greywater irrigation, while no new sprouts were observed by irrigating with freshwater. The reduced shoot growth, leaf development, and lack of flowering in freshwaterirrigated plants are likely due to a lack of nutrients necessary to develop plant physiology [37], since these nutrients are lacking in freshwater. However, freshwater plants may have obtained nutrients from the soil initially.…”

Section: Plant Morphological and Biomass Characteristicsmentioning

confidence: 99%

Evaluation of Greywater as a Sustainable Source of Irrigation for Ornamental Crops in Green Walls—A Study of Plant and Soil Using Ruellia tuberosa

Anangadan,

Pradhan,

Saththasivam

et al. 2024

Sustainability

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Green walls and roofs are sustainable building systems with several benefits. However, the irrigation requirements of these building systems conflict with water sustainability goals in water-scarce places. This study investigates using greywater directly to irrigate ornamental species for such situations by examining the effects of freshwater and greywater irrigation on Ruellia tuberosa growth, plant health and soil characteristics. Five replicates for each condition were grown for 91 days. Greywater irrigation led to a 15% higher plant growth height, a 31% higher plant biomass (p = 0.065), and a 71% increase in stem biomass (p < 0.001) compared to freshwater irrigation. However, greywater-irrigated plants had reduced chlorophyll content (10.7%, p < 0.001), and increased leaf chlorosis (p = 0.003), likely caused by stress from laundry and detergent chemicals. Greywater irrigation led to greater mineral content in greywater-irrigated plant biomass and soil for all minerals tested, most notably boron, which was deficient in the soil. Greywater-irrigated soil also had a higher organic content according to FTIR and electron dispersive spectroscopy. Greywater irrigation improved nutritional and soil conditions, including phosphate, which helped Ruellia tuberosa flourish. This study suggests raw greywater can replace freshwater in water-scarce climates for green wall irrigation instead of high-energy onsite greywater treatment systems.

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Section: Plant Morphological and Biomass Characteristicsmentioning

confidence: 99%

Evaluation of Greywater as a Sustainable Source of Irrigation for Ornamental Crops in Green Walls—A Study of Plant and Soil Using Ruellia tuberosa

Anangadan,

Pradhan,

Saththasivam

et al. 2024

Sustainability

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“…Nitrogen metabolism refers to the whole process of uptake, assimilation, and utilization of nitrogen in plants, and is one of the basic metabolic pathways in plants [21] . Based on the functional annotation results, we found that 3 genes encoding NRT (Nitrate transporter, Podel.03G118100, Podel.12G073800 and Podel.14G167600)…”

Section: Degs Related To Nitrogen Metabolismmentioning

confidence: 99%

“…Especially, up-regulated the genes involved in nitrogen metabolism and carbohydrate metabolism pathways. Studies showed that the low nitrogen supply could decrease the expression of photosystem I (PSI) and photosystem II (PSII) genes [39] , and DEGs related to photosynthetic biotic nitrogen metabolism, carbon xation, photosynthesis, starch, and sucrose metabolism, and zeatin synthesis were up-or down-regulated in rice under the appropriate nutrient conditions [21] , indicating that water-fertilizer combination management contributes to improving nutrient uptake and translocation in poplar. In addition, a comparison of gene expression patterns under different water-fertilizer combination management (water-soluble fertilizer, MD and controlled-release fertilizer, CD) revealed that water-fertilizer integration may negatively affect gene expression, such as down-regulated energy supply-related genes.…”

Section: Expression Pattern and Functional Analysis Of Degs Under Pre...mentioning

confidence: 99%

“…Ou et al [20] studied the effects of different nitrogen fertilizer treatments on transcriptome variations of Panax notoginseng roots and found that ammonium and nitrate fertilizers are simultaneously used could increase the P. notoginseng root yield by promoting the TCA cycle, which activated by up-regulation of ACLA-3 and several key metabolites in this cycle. Fu et al [21] researched how rice (Oryza sativa L.) responded to the mixed provision of ammonium-and nitrate-nitrogen(MPAN)and found that the amount and rate of nutrient (N, P, and K) uptake and their translocation in rice were highly enhanced under 75:25 MPAN with 25% of NO 3 − -N and shoot biomass was also increased signi cantly under 75:25 MPAN.…”

Section: Introductionmentioning

confidence: 99%

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RNA-seq reveals the gene expression in patterns in Populus × euramericana 'Neva' plantation forests under different precision water and fertilizer-intensive management

Wang,

Zhang,

Ding

et al. 2024

Preprint

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Background: Populus spp. is a crucial fast-growing and productive tree species extensively cultivated in the mid-latitude plains of the world. However, the impact of intensive cultivation management on gene expression in plantation forestry remains largely unexplored. Results: Precision water and fertilizer-intensive management substantially increased key enzyme activities of nitrogen transport, assimilation, and photosynthesis (1.12–2.63 times than CK) in Populus × euramericana 'Neva' plantation. Meanwhile, this management approach had a significant regulatory effect on the gene expression of poplar plantations. 1554 differential expression genes (DEGs)were identified in drip irrigation (ND) compared with conventional irrigation. Relative to ND, 2761–4116 DEGs, predominantly up-regulated, were identified under three drip fertilization combinations, among which 202 DEGs were mainly regulated by fertilization. Moreover, drip irrigation reduced the expression of cell wall synthesis-related genes to reduce unnecessary water transport. Precision drip and fertilizer management promotes the synergistic regulation of carbon and nitrogen metabolism and up-regulates the expression of major genes in nitrogen transport and assimilation processes (5 DEGs), photosynthesis (15 DEGs), and plant hormone signal transduction (11 DEGs). The incorporation of trace elements further enhanced the up-regulation of secondary metabolic process genes. In addition, the co-expression network identified nine hub genes regulated by precision water and fertilizer management, suggesting a pivotal role in regulating the growth of poplar. Conclusion: Precision water and fertilizer-intensive management demonstrated the ability to regulate the expression of key genes and transcription factor genes involved in carbon and nitrogen metabolism pathways, plant hormone signal transduction, and enhance the activity of key enzymes involved in related processes. This regulation facilitated nitrogen absorption and utilization, and photosynthetic abilities such as light capture, light transport, and electron transport, which faintly synergistically regulate the growth of poplar plantations. These results provide a reference for proposing highly efficient precision intensive management to optimize the expression of target genes.

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“…Studies have also shown that the photosynthetic rate of plants supplied with NH 4 + is higher than those provided with NO 3 − [ 12 ]. However, other studies have shown that high concentrations of nitrate nitrogen can reduce the photosynthetic rate of plants [ 13 ]. Raab et al [ 14 ] found that the photosynthetic efficiency of sugar beet leaves supplied with NH 4 + was lower than that of those supplied with NO 3 − .…”

Section: Introductionmentioning

confidence: 99%

Effects of Different Forms and Proportions of Nitrogen on the Growth, Photosynthetic Characteristics, and Carbon and Nitrogen Metabolism in Tomato

Sun,

Jin,

et al. 2023

Plants

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Optimal plant growth in many species is achieved when the two major forms of N are supplied at a particular ratio. This study investigated optimal nitrogen forms and ratios for tomato growth using the ‘Jingfan 502’ tomato variety. Thirteen treatments were applied with varying proportions of nitrate nitrogen (NN), ammonium nitrogen (AN), and urea nitrogen (UN). Results revealed that the combination of AN and UN inhibited tomato growth and photosynthetic capacity. Conversely, the joint application of NN and UN or NN and AN led to a significant enhancement in tomato plant growth. Notably, the T12 (75%UN:25%NN) and T4 (75%NN:25%AN) treatments significantly increased the gas exchange and chlorophyll fluorescence parameters, thereby promoting the accumulation of photosynthetic products. The contents of fructose, glucose, and sucrose were significantly increased by 121.07%, 206.26%, and 94.64% and by 104.39%, 156.42%, and 61.40%, respectively, compared with those in the control. Additionally, AN favored starch accumulation, while NN and UN favored fructose, sucrose, and glucose accumulation. Gene expression related to nitrogen and sugar metabolism increased significantly in T12 and T4, with T12 showing greater upregulation. Key enzyme activity in metabolism also increased notably. In summary, T12 enhanced tomato growth by upregulating gene expression, increasing enzyme activity, and boosting photosynthesis and sugar accumulation. Growers should consider using NN and UN to reduce AN application in tomato fertilization.

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Growth, nutrient uptake and transcriptome profiling of rice seedlings in response to mixed provision of ammonium- and nitrate-nitrogen

Cited by 7 publications

References 28 publications

Evaluation of Greywater as a Sustainable Source of Irrigation for Ornamental Crops in Green Walls—A Study of Plant and Soil Using Ruellia tuberosa

Evaluation of Greywater as a Sustainable Source of Irrigation for Ornamental Crops in Green Walls—A Study of Plant and Soil Using Ruellia tuberosa

RNA-seq reveals the gene expression in patterns in Populus × euramericana 'Neva' plantation forests under different precision water and fertilizer-intensive management

Effects of Different Forms and Proportions of Nitrogen on the Growth, Photosynthetic Characteristics, and Carbon and Nitrogen Metabolism in Tomato

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