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Li P, Yang R, Liu J, Huang C, Huang G, Deng Z, Zhao X, Xu L. Coexpression Regulation of New and Ancient Genes in the Dynamic Transcriptome Landscape of Stem and Rhizome Development in "Bainianzhe"-An Ancient Chinese Sugarcane Variety Ratooned for Nearly 300 Years. PLANT, CELL & ENVIRONMENT 2024. [PMID: 39462914 DOI: 10.1111/pce.15232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 10/02/2024] [Accepted: 10/05/2024] [Indexed: 10/29/2024]
Abstract
The sucrose yield in sugarcane largely depends on stem morphology, including length, diameter and sugar content, making sugarcane stem a key trait in breeding. The "Bainianzhe" variety from Songxi County, Fujian Province, possesses both aerial stems and rhizomes, providing a unique model for studying stem development. We performed a spatiotemporal transcriptomic analysis of the base, middle and apical sections of both aerial stems and rhizomes. The analysis categorized transcriptomes by developmental stage-base, middle and apical-rather than environmental differences. Apical segments were enriched with genes related to cell proliferation, while base segments were linked to senescence and fibrosis. Gene regulatory networks revealed key TFs involved in stem development. Orphan genes may be involved in rhizome development through coexpression networks. Plant hormones, especially genes involved in ABA and GAs synthesis, were highly expressed in rhizomes. Thiamine-related genes were also more prevalent in rhizomes. Furthermore, the apical segments of rhizomes enriched in photosynthesis-related genes suggest adaptations to light exposure. Low average temperatures in Songxi have led to unique cold acclimation in Bainianzhe, with rhizomes showing higher expression of genes linked to unsaturated fatty acid synthesis and cold-responsive calcium signalling. This indicates that rhizomes may have enhanced cold tolerance, aiding in the plant's overwintering success.
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Affiliation(s)
- Peiting Li
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ruiting Yang
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jiarui Liu
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chaohua Huang
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Guoqiang Huang
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zuhu Deng
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
- Guangxi Key Laboratory for Sugarcane Biology, Guangxi University, Nanning, China
| | - Xinwang Zhao
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
- Guangxi Key Laboratory for Sugarcane Biology, Guangxi University, Nanning, China
- Yunnan Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Yunnan Academy of Agricultural Sciences, Kaiyuan, China
| | - Liangnian Xu
- National Engineering Research Center for Sugarcane, Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
- Guangxi Key Laboratory for Sugarcane Biology, Guangxi University, Nanning, China
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Zhao Y, Wang T, Wan S, Tong Y, Wei Y, Li P, Hu N, Liu Y, Chen H, Pan X, Zhang B, Peng R, Hu S. Genome-wide identification and functional analysis of the SiCIN gene family in foxtail millet (Setaria italica L.). Gene 2024; 921:148499. [PMID: 38718970 DOI: 10.1016/j.gene.2024.148499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024]
Abstract
Cell wall invertase (CIN) is a vital member of plant invertase (INV) and plays a key role in the breakdown of sucrose. This enzyme facilitates the hydrolysis of sucrose into glucose and fructose, which is crucial for various aspects of plant growth and development. However, the function of CIN genes in foxtail millet (Setaria italica) is less studied. In this research, we used the blast-p of NCBI and TBtools for bidirectional comparison, and a total of 13 CIN genes (named SiCINs) were identified from foxtail millet by using Arabidopsis and rice CIN sequences as reference sequences. The phylogenetic tree analysis revealed that the CIN genes can be categorized into three subfamilies: group 1, group 2, and group 3. Furthermore, upon conducting chromosomal localization analysis, it was observed that the 13 SiCINs were distributed unevenly across five chromosomes. Cis-acting elements of SiCIN genes can be classified into three categories: plant growth and development, stress response, and hormone response. The largest number of cis-acting elements were those related to light response (G-box) and the cis-acting elements related to seed-specific regulation (RY-element). qRT-PCR analysis further confirmed that the expression of SiCIN7 and SiCIN8 in the grain was higher than that in any other tissues. The overexpression of SiCIN7 in Arabidopsis improved the grain size and thousand-grain weight, suggesting that SiCIN7 could positively regulate grain development. Our findings will help to further understand the grain-filling mechanism of SiCIN and elucidate the biological mechanism underlying the grain development of SiCIN.
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Affiliation(s)
- Yongqing Zhao
- College of Agricultural, Tarim University, Alar 843300, Xinjiang, China; College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China; Key Laboratory of Genetic Improvement and Efficient Production for Specialty Crops in Arid Southern Xinjiang of Xinjiang Corp, China
| | - Tao Wang
- College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China
| | - Sumei Wan
- College of Agricultural, Tarim University, Alar 843300, Xinjiang, China; Key Laboratory of Genetic Improvement and Efficient Production for Specialty Crops in Arid Southern Xinjiang of Xinjiang Corp, China
| | - Yan Tong
- Anyang Academy of Agriculture Sciences, Anyang 455000, Henan, China
| | - Yangyang Wei
- College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China
| | - Pengtao Li
- College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China
| | - Nan Hu
- College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China
| | - Yuling Liu
- College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China
| | - Hongqi Chen
- Anyang Academy of Agriculture Sciences, Anyang 455000, Henan, China
| | - Xiaoping Pan
- Department of Biology, East Carolina University, Greenville, NC 27858, United States
| | - Baohong Zhang
- Department of Biology, East Carolina University, Greenville, NC 27858, United States.
| | - Renhai Peng
- College of Agricultural, Tarim University, Alar 843300, Xinjiang, China; College of Biology and Food Engineering, Anyang Institute of Technology, Anyang 455000, Henan, China; Key Laboratory of Genetic Improvement and Efficient Production for Specialty Crops in Arid Southern Xinjiang of Xinjiang Corp, China.
| | - Shoulin Hu
- College of Agricultural, Tarim University, Alar 843300, Xinjiang, China; Key Laboratory of Genetic Improvement and Efficient Production for Specialty Crops in Arid Southern Xinjiang of Xinjiang Corp, China.
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Zhong C, Hu C, Xu C, Zhang Z, Hu G. Metabolomics reveals changes in soil metabolic profiles during vegetation succession in karst area. Front Microbiol 2024; 15:1337672. [PMID: 38989027 PMCID: PMC11233535 DOI: 10.3389/fmicb.2024.1337672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 06/13/2024] [Indexed: 07/12/2024] Open
Abstract
Soil metabolites are critical in regulating the dynamics of ecosystem structure and function, particularly in fragile karst ecosystems. Clarification of response of soil metabolism to vegetation succession in karst areas will contribute to the overall understanding and management of karst soils. Here, we investigated the metabolite characteristics of karst soils with different vegetation stages (grassland, brushwood, secondary forest and primary forest) based on untargeted metabolomics. We confirmed that the abundance and composition of soil metabolites altered with vegetation succession. Of the 403 metabolites we found, 157 had significantly varied expression levels across vegetation soils, including mainly lipids and lipid-like molecules, phenylpropanoids and polyketides, organic acids and derivatives. Certain soil metabolites, such as maltotetraose and bifurcose, were sensitive to vegetation succession, increasing significantly from grassland to brushwood and then decreasing dramatically in secondary and primary forests, making them possible indicators of karst vegetation succession. In addition, soil metabolic pathways, such as galactose metabolism and biosynthesis of unsaturated fatty acids, also changed with vegetation succession. This study characterized the soil metabolic profile in different vegetation stages during karst secondary succession, which would provide new insights for the management of karst soils.
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Affiliation(s)
| | | | | | - Zhonghua Zhang
- Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, College of Environmental and Life Sciences, Nanning Normal University, Nanning, China
| | - Gang Hu
- Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, College of Environmental and Life Sciences, Nanning Normal University, Nanning, China
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Jin L, Li Z, Zhang J. Research on Plant Genomics and Breeding 2.0. Int J Mol Sci 2024; 25:6659. [PMID: 38928365 PMCID: PMC11203404 DOI: 10.3390/ijms25126659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 05/29/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Plant genomics and breeding is one among the several highly regarded disciplines in today's field of biological sciences [...].
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Affiliation(s)
| | - Zhiyong Li
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
| | - Jian Zhang
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
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Wang K, Li J, Fan Y, Yang J. Temperature Effect on Rhizome Development in Perennial rice. RICE (NEW YORK, N.Y.) 2024; 17:32. [PMID: 38717687 PMCID: PMC11078906 DOI: 10.1186/s12284-024-00710-2] [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: 10/31/2023] [Accepted: 04/29/2024] [Indexed: 05/12/2024]
Abstract
Traditional agriculture is becoming increasingly not adapted to global climate change. Compared with annual rice, perennial rice has strong environmental adaptation and needs fewer natural resources and labor inputs. Rhizome, a kind of underground stem for rice to achieve perenniallity, can grow underground horizontally and then bend upward, developing into aerial stems. The temperature has a great influence on plant development. To date, the effect of temperature on rhizome development is still unknown. Fine temperature treatment of Oryza longistaminata (OL) proved that compared with higher temperatures (28-30 ℃), lower temperature (17-19 ℃) could promote the sprouting of axillary buds and enhance negative gravitropism of branches, resulting in shorter rhizomes. The upward growth of branches was earlier at low temperature than that at high temperature, leading to a high frequency of shorter rhizomes and smaller branch angles. Comparative transcriptome showed that plant hormones played an essential role in the response of OL to temperature. The expressions of ARF17, ARF25 and FucT were up-regulated at low temperature, resulting in prospectively asymmetric auxin distribution, which subsequently induced asymmetric expression of IAA20 and WOX11 between the upper and lower side of the rhizome, further leading to upward growth of the rhizome. Cytokinin and auxin are phytohormones that can promote and inhibit bud outgrowth, respectively. The auxin biosynthesis gene YUCCA1 and cytokinin oxidase/dehydrogenase gene CKX4 and CKX9 were up-regulated, while cytokinin biosynthesis gene IPT4 was down-regulated at high temperature. Moreover, the D3 and D14 in strigolactones pathways, negatively regulating bud outgrowth, were up-regulated at high temperature. These results indicated that cytokinin, auxins, and strigolactones jointly control bud outgrowth at different temperatures. Our research revealed that the outgrowth of axillary bud and the upward growth of OL rhizome were earlier at lower temperature, providing clues for understanding the rhizome growth habit under different temperatures, which would be helpful for cultivating perennial rice.
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Affiliation(s)
- Kai Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, 530004, China
| | - Jie Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, 530004, China
| | - Yourong Fan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, 530004, China.
| | - Jiangyi Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, 530004, China.
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Lindsay P, Swentowsky KW, Jackson D. Cultivating potential: Harnessing plant stem cells for agricultural crop improvement. MOLECULAR PLANT 2024; 17:50-74. [PMID: 38130059 DOI: 10.1016/j.molp.2023.12.014] [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: 10/14/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
Meristems are stem cell-containing structures that produce all plant organs and are therefore important targets for crop improvement. Developmental regulators control the balance and rate of cell divisions within the meristem. Altering these regulators impacts meristem architecture and, as a consequence, plant form. In this review, we discuss genes involved in regulating the shoot apical meristem, inflorescence meristem, axillary meristem, root apical meristem, and vascular cambium in plants. We highlight several examples showing how crop breeders have manipulated developmental regulators to modify meristem growth and alter crop traits such as inflorescence size and branching patterns. Plant transformation techniques are another innovation related to plant meristem research because they make crop genome engineering possible. We discuss recent advances on plant transformation made possible by studying genes controlling meristem development. Finally, we conclude with discussions about how meristem research can contribute to crop improvement in the coming decades.
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Affiliation(s)
- Penelope Lindsay
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
| | | | - David Jackson
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA; National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
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Huang J, Li Z, Zhang J. Research on Plant Genomics and Breeding. Int J Mol Sci 2023; 24:15298. [PMID: 37894978 PMCID: PMC10607305 DOI: 10.3390/ijms242015298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023] Open
Abstract
In recent years, plant genomics has made significant progress following the development of biotechnology [...].
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Affiliation(s)
| | - Zhiyong Li
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
| | - Jian Zhang
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
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Qi C, Xv L, Xia W, Zhu Y, Wang Y, Zhang Z, Dai H, Miao M. Genome-Wide Identification and Expression Patterns of Cucumber Invertases and Their Inhibitor Genes. Int J Mol Sci 2023; 24:13421. [PMID: 37686228 PMCID: PMC10487868 DOI: 10.3390/ijms241713421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Invertases and their inhibitors play important roles in sucrose metabolism, growth and development, signal transduction, and biotic and abiotic stress tolerance in many plant species. However, in cucumber, both the gene members and functions of invertase and its inhibitor families remain largely unclear. In this study, in comparison with the orthologues of Citrullus lanatus (watermelon), Cucumis melo (melon), and Arabidopsis thaliana (Arabidopsis), 12 invertase genes and 12 invertase inhibitor genes were identified from the genome of Cucumis sativus (cucumber). Among them, the 12 invertase genes were classified as 4 cell wall invertases, 6 cytoplasmic invertases, and 2 vacuolar invertases. Most invertase genes were conserved in cucumber, melon, and watermelon, with several duplicate genes in melon and watermelon. Transcriptome analysis distinguished these genes into various expression patterns, which included genes CsaV3_2G025540 and CsaV3_2G007220, which were significantly expressed in different tissues, organs, and development stages, and genes CsaV3_7G034730 and CsaV3_5G005910, which might be involved in biotic and abiotic stress. Six genes were further validated in cucumber based on quantitative real-time PCR (qRT-PCR), and three of them showed consistent expression patterns as revealed in the transcriptome. These results provide important information for further studies on the physiological functions of cucumber invertases (CSINVs) and their inhibitors (CSINHs).
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Affiliation(s)
- Chenze Qi
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Liyun Xv
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Wenhao Xia
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Yunyi Zhu
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Yudan Wang
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Zhiping Zhang
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Haibo Dai
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
| | - Minmin Miao
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (C.Q.); (L.X.); (W.X.); (Y.Z.); (Y.W.); (Z.Z.); (H.D.)
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Plant Functional Genomics, The Ministry of Education, Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding, Yangzhou University, Yangzhou 225009, China
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Ran F, Yuan Y, Bai X, Li C, Li J, Chen H. Carbon and nitrogen metabolism affects kentucky bluegrass rhizome expansion. BMC PLANT BIOLOGY 2023; 23:221. [PMID: 37101108 PMCID: PMC10131326 DOI: 10.1186/s12870-023-04230-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 04/15/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND Rhizome is vital for carbon and nitrogen metabolism of the whole plant. However, the effect of carbon and nitrogen in the rhizome on rhizome expansion remains unclear. RESULTS Three wild Kentucky bluegrass (Poa pratensis L.) germplasms with different rhizome expansion capacity (strong expansion capacity, 'YZ'; medium expansion capacity, 'WY'; and weak expansion capacity, 'AD') were planted in the field and the rhizomes number, tiller number, rhizome dry weight, physiological indicators and enzyme activity associated carbon and nitrogen metabolisms were measured. Liquid chromatography coupled to mass spectrometry (LC-MS) was utilized to analyze the metabolomic of the rhizomes. The results showed that the rhizome and tiller numbers of the YZ were 3.26 and 2.69-fold of that of the AD, respectively. The aboveground dry weight of the YZ was the greatest among all three germplasms. Contents of soluble sugar, starch, sucrose, NO3--N, and free amino acid were significantly higher in rhizomes of the YZ than those of the WY and AD (P < 0.05). The activities of glutamine synthetase (GS), glutamate dehydrogenase (GDH) and sucrose phosphate synthase (SPS) of the YZ were the highest among all three germplasm, with values of 17.73 A·g- 1 h- 1, 5.96 µmol·g- 1 min- 1, and 11.35 mg·g- 1 h- 1, respectively. Metabolomics analyses revealed that a total of 28 differentially expressed metabolites (DEMs) were up-regulated, and 25 DEMs were down-regulated in both comparison groups (AD vs. YZ group and WY vs. YZ group). Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis demonstrated that metabolites related to histidine metabolism, tyrosine metabolism, tryptophan metabolism, and phenylalanine metabolism were associated with rhizomes carbon and nitrogen metabolism. CONCLUSIONS Overall, the results suggest that soluble sugar, starch, sucrose, NO3--N, and free amino acid in rhizome are important to and promote rhizome expansion in Kentucky bluegrass, while tryptamine, 3-methylhistidine, 3-indoleacetonitrile, indole, and histamine may be key metabolites in promoting carbon and nitrogen metabolism of rhizome.
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Affiliation(s)
- Fu Ran
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China
| | - Yajuan Yuan
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China
| | - Xiaoming Bai
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China.
- Key Laboratory of Grassland Ecosystem, Gansu Agricultural University, Lanzhou, 730070, China.
| | - Changning Li
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China
| | - Juanxia Li
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China
| | - Hui Chen
- College of Grassland Science, Gansu Agricultural University, Lanzhou, 730070, China
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