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Ninkuu V, Zhou Y, Liu H, Sun S, Liu Z, Liu Y, Yang J, Hu M, Guan L, Sun X. Regulation of nitrogen metabolism by COE2 under low sulfur stress in Arabidopsis. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 346:112137. [PMID: 38815871 DOI: 10.1016/j.plantsci.2024.112137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
The interplay between nitrogen and sulfur assimilation synergistically supports and sustains plant growth and development, operating in tandem to ensure coordinated and optimal outcomes. Previously, we characterized Arabidopsis CHLOROPHYLL A/B-BINDING (CAB) overexpression 2 (COE2) mutant, which has a mutation in the NITRIC OXIDE-ASSOCIATED (NOA1) gene and exhibits deficiency in root growth under low nitrogen (LN) stress. This study found that the growth suppression in roots and shoots in coe2 correlates with decreased sensitivity to low sulfur stress treatment compared to the wild-type. Therefore, we examined the regulatory role of COE2 in nitrogen and sulfur interaction by assessing the expression of nitrogen metabolism-related genes in coe2 seedlings under low sulfur stress. Despite the notable upregulation of nitrate reductase genes (NIA1 and NIA2), there was a considerable reduction in nitrogen uptake and utilization, resulting in a substantial growth penalty. Moreover, the elevated expression of miR396 perhaps complemented growth stunting by selectively targeting and curtailing the expression levels of GROWTH REGULATING FACTOR 2 (GRF2), GRF4, and GRF9. This study underscores the vital role of COE2-mediated nitrogen signaling in facilitating seedling growth under sulfur deficiency stress.
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Affiliation(s)
- Vincent Ninkuu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Yaping Zhou
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Hao Liu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Susu Sun
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Zhixin Liu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Yumeng Liu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Jincheng Yang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Mengke Hu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Liping Guan
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China
| | - Xuwu Sun
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, 85 Minglun Street, Kaifeng 475001, China.
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Niu R, Zhuang Y, Lali MN, Zhao L, Xie J, Xiong H, Wang Y, He X, Shi X, Zhang Y. Root Reduction Caused Directly or Indirectly by High Application of Nitrogen Fertilizer Was the Main Cause of the Decline in Biomass and Nitrogen Accumulation in Citrus Seedlings. PLANTS (BASEL, SWITZERLAND) 2024; 13:938. [PMID: 38611468 PMCID: PMC11013181 DOI: 10.3390/plants13070938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/07/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024]
Abstract
Citrus is the largest fruit crop around the world, while high nitrogen (N) application in citrus orchards is widespread in many countries, which results not only in yield, quality and environmental issues but also slows down the establishment of citrus canopies in newly cultivated orchards. Thus, the objective of this study was to investigate the physiological inhibitory mechanism of excessive N application on the growth of citrus seedlings. A pot experiment with the citrus variety Orah (Orah/Citrus junos) at four N fertilization rates (0, 50, 100, and 400 mg N/kg dry soil, denoted as N0, N50, N100, and N400, respectively) was performed to evaluate the changes of root morphology, biomass, N accumulation, enzyme activities, and so on. The results showed that the N400 application significantly reduced the total biomass (from 14.24 to 6.95 g/Plant), N accumulation (from 0.65 to 0.33 g/Plant) and N use efficiency (92.69%) in citrus seedlings when compared to the N100 treatment. The partial least squares pathway model further showed that the decline of biomass and N accumulation by high N application were largely attributed to the reduction of root growth through direct and indirect effects (the goodness of fit under the model was 0.733.) rather than just soil N transformation and activity of root N uptake. These results are useful to optimize N management through a synergistic N absorption and utilization by citrus seedlings.
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Affiliation(s)
- Runzheng Niu
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yuan Zhuang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Mohammad Naeem Lali
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
- Department of Forestry and Natural Resources, Faculty of Agriculture, Bamyan University, Bamyan 1601, Afghanistan
| | - Li Zhao
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Jiawei Xie
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Huaye Xiong
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yuheng Wang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Xinhua He
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Xiaojun Shi
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yueqiang Zhang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
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Liao Y, Zhao S, Zhang W, Zhao P, Lu B, Moody ML, Tan N, Chen L. Chromosome-level genome and high nitrogen stress response of the widespread and ecologically important wetland plant Typha angustifolia. FRONTIERS IN PLANT SCIENCE 2023; 14:1138498. [PMID: 37265642 PMCID: PMC10230045 DOI: 10.3389/fpls.2023.1138498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/11/2023] [Indexed: 06/03/2023]
Abstract
Typha angustifolia L., known as narrowleaf cattail, is widely distributed in Eurasia but has been introduced to North America. Typha angustifolia is a semi-aquatic, wetland obligate plant that is widely distributed in Eurasia and North America. It is ecologically important for nutrient cycling in wetlands where it occurs and is used in phytoremediation and traditional medicine. In order to construct a high-quality genome for Typha angustifolia and investigate genes in response to high nitrogen stress, we carried out complete genome sequencing and high-nitrogen-stress experiments. We generated a chromosomal-level genome of T. angustifolia, which had 15 pseudochromosomes, a size of 207 Mb, and a contig N50 length of 13.57 Mb. Genome duplication analyses detected no recent whole-genome duplication (WGD) event for T. angustifolia. An analysis of gene family expansion and contraction showed that T. angustifolia gained 1,310 genes and lost 1,426 genes. High-nitrogen-stress experiments showed that a high nitrogen level had a significant inhibitory effect on root growth and differential gene expression analyses using 24 samples found 128 differentially expressed genes (DEGs) between the nitrogen-treated and control groups. DEGs in the roots and leaves were enriched in alanines, aspartate, and glutamate metabolism, nitrogen metabolism, photosynthesis, phenylpropanoid biosynthesis, plant-pathogen interaction, and mitogen-activated protein kinase pathways, among others. This study provides genomic data for a medicinal and ecologically important herb and lays a theoretical foundation for plant-assisted water pollution remediation.
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Affiliation(s)
- Yang Liao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Shuying Zhao
- School of Environment and Ecology, Jiangsu Open University, Nanjing, China
| | - Wenda Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Puguang Zhao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Bei Lu
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Michael L. Moody
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, United States
| | - Ninghua Tan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Lingyun Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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Fu Y, Zhong X, Lu C, Liang K, Pan J, Hu X, Hu R, Li M, Ye Q, Liu Y. Growth, nutrient uptake and transcriptome profiling of rice seedlings in response to mixed provision of ammonium- and nitrate-nitrogen. JOURNAL OF PLANT PHYSIOLOGY 2023; 284:153976. [PMID: 37028191 DOI: 10.1016/j.jplph.2023.153976] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 06/19/2023]
Abstract
Nitrogen (N) is a principal macronutrient and plays a paramount role in mineral nutrition of rice plants. Mixed provision of ammonium- and nitrate-nitrogen (MPAN) at a moderate level could enhance N uptake and translocation and promote growth of rice, but current understanding of their molecular mechanisms is still insufficient. Two rice lines of W6827 and GH751, with contrasting ability of N uptake, were subjected to four levels of MPAN (NH4+/NO3- = 100:0, 75:25, 50:50, 25:75) in hydroponic experiments. In terms of plant height, growth rate and shoot biomass, growth of GH751 tended to increase firstly and then decrease with enhancement in NO3--N ratio. It attained maximal level under 75:25 MPAN, with an 8.3% increase in shoot biomass. In general, W6827 was comparatively less responsive to MPAN. For GH751, the uptake rate of N, phosphor (P) and potassium (K) under 75:25 MPAN was enhanced by 21.1%, 20.8% and 16.1% in comparison with that of control (100:0 MPAN). Meanwhile, the translocation coefficient and content in shoots of N, P and K were all increased significantly. In contrast to transcriptomic profile under control, 288 differentially expressed genes (DEGs) were detected to be up-regulated and 179 DEGs down-regulated in transcription under 75:25 MPAN. Gene Ontology analysis revealed that some DEGs were up-regulated under 75:25 MPAN and they code for proteins mainly located in membrane and integral component of membrane and involved in metal ion binding, oxidoreductase activity and other biological processes. KEGG pathway enrichment analysis indicated that DEGs related to nitrogen metabolism, carbon fixation in photosynthetic organisms, photosynthesis, starch and sucrose metabolism, and zeatin biosynthesis were up- or down-regulated in transcription under 75:25 MPAN, and they are responsible for improved nutrient uptake and translocation and enhanced growth of seedlings.
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Affiliation(s)
- Youqiang Fu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Xuhua Zhong
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Chusheng Lu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Kaiming Liang
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China.
| | - Junfeng Pan
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Xiangyu Hu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Rui Hu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Meijuan Li
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Qunhuan Ye
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China
| | - Yanzhuo Liu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Rice Engineering Laboratory/ Guangdong Key Laboratory of New Technology in Rice Breeding /Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640, PR China.
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