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Feng L, Wei L, Liu Y, Ren J, Liao W. Carbon monoxide/heme oxygenase system in plant: Roles in abiotic stress response and crosstalk with other signals molecules. Nitric Oxide 2023; 138-139:51-63. [PMID: 37364740 DOI: 10.1016/j.niox.2023.06.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/15/2023] [Accepted: 06/23/2023] [Indexed: 06/28/2023]
Abstract
Carbon monoxide (CO) has been recognized as a crucial gasotransmitter mainly produced by heme oxygenase (HO)-catalyzed heme degradation in plant. Recent studies have shown that CO plays an important role in regulating growth and development of plant, as well as and responding to a variety of abiotic stresses. Meanwhile, many studies have reported on CO working in combination with other signal molecules to mitigate abiotic stress. Here, we presented a comprehensive overview of recent developments in which CO reduces plant damage caused by abiotic stresses. The regulation of antioxidant system, photosynthetic system, ion balance and transport are the main mechanisms of CO-alleviated abiotic stress. We also proposed and discussed the relationship between CO and other signal molecules, including nitric oxide (NO), hydrogen sulfide (H2S), hydrogen gas (H2), abscisic acid (ABA), indole 3-acetic acid (IAA), gibberellin (GA), cytokine (CTK), salicylic acid (SA), jasmonic acid (JA), hydrogen peroxide (H2O2) and calcium ion (Ca2+). Furthermore, the important role of HO genes in alleviating abiotic stress was also discussed. We proposed promising and new research directions for the study of plant CO, which can provide further insights on the role of CO in plant growth and development under abiotic stress.
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Affiliation(s)
- Li Feng
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Lijuan Wei
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Yayu Liu
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Jiaxuan Ren
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Weibiao Liao
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China.
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2
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Min T, Lu K, Chen J, Niu L, Lin Q, Yi Y, Hou W, Ai Y, Wang H. Biochemical Mechanism of Fresh-Cut Lotus ( Nelumbo nucifera Gaertn.) Root with Exogenous Melatonin Treatment by Multiomics Analysis. Foods 2022; 12:foods12010044. [PMID: 36613262 PMCID: PMC9818798 DOI: 10.3390/foods12010044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/11/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Browning limits the commercial value of fresh-cut lotus root slices. Melatonin has been reported to play crucial plant roles in growth and development. However, the mechanisms in repressing the browning of fresh-cut lotuses are still unclear. In this study, fresh-cut lotus root slices were treated with melatonin, the physical signs of browning were tested, and then the selected samples (0 d, 6 d, 12 d) were used in multiomics analysis. Fresh-cut lotus root slices with a thickness of 4 mm were soaked in a 40 mmol/L melatonin solution for 10 min; then, the slices were packed in pallets and packages and stored at 10 ± 1 °C. The results show that the 40 mmol/L melatonin selected for repressing the browning of lotus roots significantly delayed the decrease in water, total soluble solid content, and Vitamin C, decreased the growth of microorganisms, enhanced total phenolic content, improved total antioxidant capacity, and decreased ·OH, H2O2, and O2-· contents. Moreover, this treatment enhanced phenylalanine ammonialyase, polyphenol oxidase, superoxide dismutase, and catalase activities and reduced peroxidase activities and soluble quinones. NnSOD (104590242), NnCAT (104609297), and some NnPOD genes showed a similar transcript accumulation pattern with enzyme activity. It can be seen from these results that exogenous melatonin accelerated an enhancement in the antioxidant system and AsA-GSH cycle system by regulating ROS-metabolism-related genes, thereby improving the capacity to withstand browning and the quality of lotus root slices. The microbiome also showed that melatonin suppressed the fertility of spoilage organisms, such as Pseudomonas, Tolumonas, Acinetobacter, Stenotrophomonas, and Proteobacteria. Metabonomics data uncovered that the metabolites of flavonoid biosynthesis, phenylpropanoid biosynthesis, tyrosine metabolism, and phenylalanine metabolism were involved in the process.
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Affiliation(s)
- Ting Min
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan 430023, China
| | - Keyan Lu
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jinhui Chen
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lifang Niu
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Qiong Lin
- Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yang Yi
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan 430023, China
| | - Wenfu Hou
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Youwei Ai
- College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Hongxun Wang
- Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan 430023, China
- School Biology and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Correspondence:
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Reimer JJ, Thiele B, Biermann RT, Junker-Frohn LV, Wiese-Klinkenberg A, Usadel B, Wormit A. Tomato leaves under stress: a comparison of stress response to mild abiotic stress between a cultivated and a wild tomato species. PLANT MOLECULAR BIOLOGY 2021; 107:177-206. [PMID: 34677706 PMCID: PMC8553704 DOI: 10.1007/s11103-021-01194-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/16/2021] [Indexed: 05/03/2023]
Abstract
Tomato is one of the most produced crop plants on earth and growing in the fields and greenhouses all over the world. Breeding with known traits of wild species can enhance stress tolerance of cultivated crops. In this study, we investigated responses of the transcriptome as well as primary and secondary metabolites in leaves of a cultivated and a wild tomato to several abiotic stresses such as nitrogen deficiency, chilling or warmer temperatures, elevated light intensities and combinations thereof. The wild species responded different to varied temperature conditions compared to the cultivated tomato. Nitrogen deficiency caused the strongest responses and induced in particular the secondary metabolism in both species but to much higher extent in the cultivated tomato. Our study supports the potential of a targeted induction of valuable secondary metabolites in green residues of horticultural production, that will otherwise only be composted after fruit harvest. In particular, the cultivated tomato showed a strong induction in the group of mono caffeoylquinic acids in response to nitrogen deficiency. In addition, the observed differences in stress responses between cultivated and wild tomato can lead to new breeding targets for better stress tolerance.
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Affiliation(s)
- Julia J Reimer
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, PtJ, 52425, Jülich, Germany
| | - Björn Thiele
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Agrosphere (IBG-3), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Robin T Biermann
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Leibniz Institute of Vegetable and Ornamental Crops (IGZ) e.V., 14979, Großbeeren, Germany
| | - Laura V Junker-Frohn
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Anika Wiese-Klinkenberg
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Bioinformatics (IBG-4), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Björn Usadel
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Bioinformatics (IBG-4), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
- Heinrich-Heine-University, Chair of Biological Data Science, 40225, Düsseldorf, Germany
| | - Alexandra Wormit
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany.
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany.
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Chen K, Sun J, Li Z, Zhang J, Li Z, Chen L, Li W, Fang Y, Zhang K. Postharvest Dehydration Temperature Modulates the Transcriptomic Programme and Flavonoid Profile of Grape Berries. Foods 2021; 10:foods10030687. [PMID: 33807052 PMCID: PMC8005005 DOI: 10.3390/foods10030687] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/14/2021] [Accepted: 03/20/2021] [Indexed: 12/19/2022] Open
Abstract
Raisins are a popular and nutritious snack that is produced through the dehydration of postharvest grape berries under high temperature (HT). However, the response of the endogenous metabolism of white grape varieties to postharvest dehydration under different temperature have not been fully elucidated to date. In this study, the white grape cultivar ‘Xiangfei’ was chosen to investigate the effect of dehydration at 50 °C, 40 °C, and 30 °C on the transcriptomic programme and metabolite profiles of grape berries. Postharvest dehydration promoted the accumulation of soluble sugar components and organic acids in berries. The content of gallic acid and its derivatives increased during the dehydration process and the temperature of 40 °C was the optimal for flavonoids and proanthocyanidins accumulation. High-temperature dehydration stress might promote the accumulation of gallic acid by increasing the expression levels of their biosynthesis related genes and regulating the production of NADP+ and NADPH. Compared with that at 30 °C, dehydration at 40 °C accelerated the transcription programme of 7654 genes and induced the continuous upregulation of genes related to the heat stress response and redox homeostasis in each stage. The results of this study indicate that an appropriate dehydration temperature should be selected and applied when producing polyphenols-rich raisins.
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Zhou H, Chen Y, Zhai F, Zhang J, Zhang F, Yuan X, Xie Y. Hydrogen sulfide promotes rice drought tolerance via reestablishing redox homeostasis and activation of ABA biosynthesis and signaling. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:213-220. [PMID: 32771932 DOI: 10.1016/j.plaphy.2020.07.038] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/13/2020] [Accepted: 07/20/2020] [Indexed: 05/01/2023]
Abstract
Hydrogen sulfide (H2S) has been explored as the third biologically gasotransmitter regulating plant adaptation response, however, its possible mechanisms on drought tolerance are not completely clear yet. Here, we discovered that during dehydration treatment, the activities of L-cysteine desulfhydrase (LCD), the important synthetic enzymes of H2S in rice, was enhanced in rice seedling leaves, further leading to continuous increasing of endogenous H2S production. Pretreatment with NaHS, a well-known H2S donor, significantly improved rice performance under drought stress. The beneficial roles of NaHS were confirmed by the alleviation of lipid peroxidation, and the activation of antioxidant defence system. Importantly, besides repressing its degradation pathway, NaHS pretreatment promoted ABA de-novo synthesis as well. This resulted in an increase of ABA accumulation and the expression of downstream ABA-responsive genes in rice seedling upon drought stress. Together, the present study illustrated that H2S improve drought tolerance via reestablishing redox homeostasis and triggering ABA signaling.
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Affiliation(s)
- Heng Zhou
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Ying Chen
- Youlaigucheng Science Innovation Center, Kunshan, 215300, PR China
| | - Fengchao Zhai
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Jing Zhang
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Feng Zhang
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Xingxing Yuan
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Yanjie Xie
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China.
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Zhang K, Mu Y, Li W, Shan X, Wang N, Feng H. Identification of two recessive etiolation genes (py1, py2) in pakchoi (Brassica rapa L. ssp. chinensis). BMC PLANT BIOLOGY 2020; 20:68. [PMID: 32041529 PMCID: PMC7011377 DOI: 10.1186/s12870-020-2271-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 01/29/2020] [Indexed: 05/03/2023]
Abstract
BACKGROUND Leaf color is a major agronomic trait, which has a strong influence on crop yields. Isolating leaf color mutants can represent valuable materials for research in chlorophyll (Chl) biosynthesis and metabolism regulation. RESULTS In this study, we identified a stably inherited yellow leaf mutant derived from 'Huaguan' pakchoi variety via isolated microspore culture and designated as pylm. This mutant displayed yellow leaves after germination. Its etiolated phenotype was nonlethal and stable during the whole growth period. Its growth was weak and its hypocotyls were markedly elongated. Genetic analysis revealed that two recessive nuclear genes, named py1 and py2, are responsible for the etiolation phenotype. Bulked segregant RNA sequencing (BSR-Seq) showed that py1 and py2 were mapped on chromosomes A09 and A07, respectively. The genes were single Mendelian factors in F3:4 populations based on a 3:1 phenotypic segregation ratio. The py1 was localized to a 258.3-kb interval on a 34-gene genome. The differentially expressed gene BraA09004189 was detected in the py1 mapping region and regulated heme catabolism. One single-nucleotide polymorphism (SNP) of BraA09004189 occurred in pylm. A candidate gene-specific SNP marker in 1520 F3:4 yellow-colored individuals co-segregated with py1. For py2, 1860 recessive homozygous F3:4 individuals were investigated and localized py2 to a 4.4-kb interval. Of the five genes in this region, BraA07001774 was predicted as a candidate for py2. It encoded an embryo defective 1187 and a phosphotransferase related to chlorophyll deficiency and hypocotyl elongation. One SNP of BraA07001774 occurred in pylm. It caused a single amino acid mutation from Asp to Asn. According to quantitative real-time polymerase chain reaction (qRT-PCR), BraA07001774 was downregulated in pylm. CONCLUSIONS Our study identified a Chl deficiency mutant pylm in pakchoi. Two recessive nuclear genes named py1 and py2 had a significant effect on etiolation. Candidate genes regulating etiolation were identified as BraA09004189 and BraA07001774, respectively. These findings will elucidate chlorophyll metabolism and the molecular mechanisms of the gene interactions controlling pakchoi etiolation.
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Affiliation(s)
- Kun Zhang
- College of Life Sciences, Shanxi Datong University, Datong, 037009, People's Republic of China
| | - Yu Mu
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, People's Republic of China
| | - Weijia Li
- Institute of Carbon Materials Science, Shanxi Datong University, Datong, 037009, People's Republic of China
| | - Xiaofei Shan
- College of Life Sciences, Shanxi Datong University, Datong, 037009, People's Republic of China
| | - Nan Wang
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, People's Republic of China
| | - Hui Feng
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, People's Republic of China.
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Yahia Darwish H, Abdelmigid H, Albogami S, Alotaibi S, Nour El-Deen A, Alnefaie A. Induction of Biosynthetic Genes Related to Rosmarinic Acid in Plant Callus Culture and Antiproliferative Activity Against Breast Cancer Cell Line. Pak J Biol Sci 2020; 23:1025-1036. [PMID: 32700853 DOI: 10.3923/pjbs.2020.1025.1036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Rosmarinic acid is considered as one of the most important secondary metabolites in medicinal plants especially of family Lamiaceae. Rosmarinic acid can prevent both the tumor initiation and promotion stages of carcinogenesis. The aim of current study was to evaluate the antiproliferative effects of Hyssopus officinalis and Thymus vulgaris callus crude extracts contained rosmarinic acid on breast cancer cells with correlation to phenylpropanoid biosynthetic pathway genes expression. MATERIALS AND METHODS Calli of both plants were maintained on Murashige and Skoog medium supplemented with kinetin and 2,4-D. Rosmarinic acid was determined spectrophotometrically in both seed-germinated plants (control) and callus tissues. Transcriptional profiling of rosmarinic acid pathway genes was performed with RT-PCR system. The human breast cancer cell line MCF-7 was treated with different levels of crude extracts at different time intervals in order to show their effects on the cell proliferation using a cell viability colorimetric assay (MTT). RESULTS The results showed a significant increase of rosmarinic acid content up to 6.5% in callus compared to control. The transcriptional profile of the selected rosmarinic acid genes in callus tissues indicated significant effects on the rosmarinic acid content in both genotypes. T. vulgaris (90 μg mL-1) and H. officinalis (150 μg mL-1) callus extracts had exhibited highest reduction in the cell MCF-7 viability after 48 h of exposure. CONCLUSION It was concluded that rosmarinic acid production increased in callus tissue, showed the higher gene expression levels and remarkably inhibited growth of human breast cancer cell line.
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Phukan T, Syiem MB. Modulation of oxidant and antioxidant homeostasis in the cyanobacterium Nostoc muscorum Meg1 under UV-C radiation stress. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 213:105228. [PMID: 31229888 DOI: 10.1016/j.aquatox.2019.105228] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/13/2019] [Accepted: 06/15/2019] [Indexed: 06/09/2023]
Abstract
The present work was conducted to study how restoration of perturbed oxidant and antioxidant homeostasis is achieved in the UV-C radiation exposed cells of cyanobacterium Nostoc muscorum Meg1. Exposure to varying doses of UV-C radiation (6, 12, 18 and 24 mJ/cm2) showed damage to ultrastructures especially cytoplasmic membrane, cell wall and organisation of thylakoid membranes of the cyanobacterium under transmission electron microscope (TEM). All doses of UV-C exposure significantly induced most of the enzymatic antioxidant {catalase, superoxide dismutase (SOD) and glutathione reductase (GR)} activities, their protein levels (western blot analysis) and mRNA levels (real time PCR analysis) within the first hour of post UV-C radiation incubation period. In the same way, contents of many non-enzymatic antioxidants such as ascorbic acid, reduced glutathione, proline, phenol and flavonoids were also augmented in response to such UV-C radiation exposure. Although notable increase in ROS level was only seen in cultures treated with 24 mJ/cm2 UV-C exposure which also registered increase in protein oxidation (22%) and lipid peroxidation (20%), this boost in both enzymatic and non-enzymatic antioxidants was significant in all radiation exposed cells indicating cell's preparation to combat rise in oxidants. Further, albeit all antioxidants increased considerably, their levels were restored back to control values by day seventh re-establishing physiological redox state for normal metabolic function. The combined efficiency of the enzymatic and non-enzymatic antioxidants were so effective that they were able to bring down the increase levels of ROS, lipid peroxidation and protein oxidation to the physiological levels within 1 h of radiation exposure signifying their importance in the defensive roles in protecting the organism from oxidative toxicity induced by UV-C radiation exposure.
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Affiliation(s)
- Tridip Phukan
- Department of Biochemistry, North Eastern Hill University, Shillong, 793022, Meghalaya, India
| | - Mayashree B Syiem
- Department of Biochemistry, North Eastern Hill University, Shillong, 793022, Meghalaya, India.
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Physicochemical modeling of the phytochrome-mediated photothermal sensing. Sci Rep 2019; 9:10485. [PMID: 31324849 PMCID: PMC6642129 DOI: 10.1038/s41598-019-47019-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 07/09/2019] [Indexed: 11/08/2022] Open
Abstract
Light and temperature cues share many common signaling events towards plant photothermal morphogenesis. Particularly, the red (R)/far-red (FR)-absorbing phytochrome photoreceptors also function as temperature sensors, suggesting that light and temperature responses are intimately associated with each other. Here, we present data from physicochemical modeling of temperature sensing and thermomorphogenic patterning of hypocotyl growth, which illustrate that the two seemingly distinct stimulating cues are tightly coupled through physicochemical principles and temperature effects can be described as a function of infra-red (IR) thermal radiation. It is possible that the dark reversion from the FR-absorbing Pfr to the R-absorbing Pr phytochromes is essentially an IR-mediated thermal conversion. We propose that the phytochromes modulate photothermal responses by monitoring R:IR ratios, as they sense R:FR ratios during photomorphogenesis.
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Rao Y, Xu N, Li S, Hu J, Jiao R, Hu P, Lin H, Lu C, Lin X, Dai Z, Zhang Y, Zhu X, Wang Y. PE-1, Encoding Heme Oxygenase 1, Impacts Heading Date and Chloroplast Development in Rice ( Oryza sativa L.). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:7249-7257. [PMID: 31244201 DOI: 10.1021/acs.jafc.9b01676] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The duration of the rice growth phase has always been an important target trait. The identification of mutations in rice that alter these processes and result in a shorter growth phase could have potential benefits for crop production. In this study, we isolated an early aging rice mutant, pe-1, with light green leaves, using γ-mutated indica rice cultivar and subsequent screening methods, which is known as the phytochrome synthesis factor Se5 that controls rice flowering. The pe-1 plant is accompanied by a decreased chlorophyll content, an enhanced photosynthesis, and a decreased pollen fertility. PE-1, a close homologue of HY1, is localized in the chloroplast. Expression pattern analysis indicated that PE-1 was mainly expressed in roots, stems, leaves, leaf sheaths, and young panicles. The knockout of PE-1 using the CRISPR/Cas9 system decreased the chlorophyll content and downregulated the expression of PE-1-related genes. Furthermore, the chloroplasts of pe-1 were filled with many large-sized starch grains, and the number of osmiophilic granules (a chloroplast lipid reservoir) was significantly decreased. Altogether, our findings suggest that PE-1 functions as a master regulator to mediate in chlorophyll biosynthesis and photosynthetic pathways.
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Affiliation(s)
- Yuchun Rao
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Na Xu
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Sanfeng Li
- State Key Laboratory of Rice Biology , China National Rice Research Institute , Hangzhou , Zhejiang 310006 , People's Republic of China
| | - Juan Hu
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Ran Jiao
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Ping Hu
- State Key Laboratory of Rice Biology , China National Rice Research Institute , Hangzhou , Zhejiang 310006 , People's Republic of China
| | - Han Lin
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Caolin Lu
- State Key Laboratory of Rice Biology , China National Rice Research Institute , Hangzhou , Zhejiang 310006 , People's Republic of China
| | - Xue Lin
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Zhijun Dai
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Yilan Zhang
- College of Chemistry and Life Sciences , Zhejiang Normal University , Jinhua , Zhejiang 321004 , People's Republic of China
| | - Xudong Zhu
- State Key Laboratory of Rice Biology , China National Rice Research Institute , Hangzhou , Zhejiang 310006 , People's Republic of China
| | - Yuexing Wang
- State Key Laboratory of Rice Biology , China National Rice Research Institute , Hangzhou , Zhejiang 310006 , People's Republic of China
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Liu Y, Wang J, Yin H, Zhang A, Huang S, Wang TJ, Meng Q, Nan N, Wu Y, Guo P, Ahmad R, Liu B, Xu ZY. Trithorax-group protein ATX5 mediates the glucose response via impacting the HY1-ABI4 signaling module. PLANT MOLECULAR BIOLOGY 2018; 98:495-506. [PMID: 30406469 DOI: 10.1007/s11103-018-0791-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 10/22/2018] [Indexed: 05/29/2023]
Abstract
Trithorax-group Protein ARABIDOPSIS TRITHORAX5 modulates the glucose response. Glucose is an evolutionarily conserved modulator from unicellular microorganisms to multicellular animals and plants. Extensive studies have shown that the Trithorax-group proteins (TrxGs) play essential roles in different biological processes by affecting histone modifications and chromatin structures. However, whether TrxGs function in the glucose response and how they achieve the control of target genes in response to glucose signaling in plants remain unknown. Here, we show that the Trithorax-group Protein ARABIDOPSIS TRITHORAX5 (ATX5) affects the glucose response and signaling. atx5 loss-of-function mutants display glucose-oversensitive phenotypes compared to the wild-type (WT). Genome-wide RNA-sequencing analyses have revealed that ATX5 impacts the expression of a subset of glucose signaling responsive genes. Intriguingly, we have established that ATX5 directly controls the expression of HY1 by trimethylating H3 lysine 4 of the Arabidopsis Heme Oxygenase1 (HY1) locus. Glucose signaling causes the suppression of ATX5 activity and subsequently reduces the H3K4me3 levels at the HY1 locus, thereby leading to the increased expression of ABSCISIC ACID-INSENSITIVE4 (ABI4). This result suggests that an important ATX5-HY1-ABI4 regulatory module governs the glucose response. This idea is further supported by genetic evidence showing that an atx5 hy1-100 abi4 triple mutant showed a similar glucose-insensitive phenotype as compared to that of the abi4 single mutant. Our findings show that a novel ATX5-HY1-ABI4 module controls the glucose response in Arabidopsis thaliana.
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Affiliation(s)
- Yutong Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Jie Wang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Hao Yin
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Ai Zhang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Shuangzhan Huang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Tian-Jing Wang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Qingxiang Meng
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Nan Nan
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Yifan Wu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Peng Guo
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Rafiq Ahmad
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China.
| | - Zheng-Yi Xu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, People's Republic of China.
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12
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Fraikin GY, Belenikina NS, Rubin AB. Damaging and Defense Processes Induced in Plant Cells by UVB Radiation. BIOL BULL+ 2018. [DOI: 10.1134/s1062359018060031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Jin Y, He X, Andoh‐Kumi K, Fraser RZ, Lu M, Goodman RE. Evaluating Potential Risks of Food Allergy and Toxicity of Soy Leghemoglobin Expressed in Pichia pastoris. Mol Nutr Food Res 2018; 62:1700297. [PMID: 28921896 PMCID: PMC5813221 DOI: 10.1002/mnfr.201700297] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 08/09/2017] [Indexed: 11/24/2022]
Abstract
SCOPE The Soybean (Glycine max) leghemoglobin c2 (LegHb) gene was introduced into Pichia pastoris yeast for sustainable production of a heme-carrying protein, for organoleptic use in plant-based meat. The potential allergenicity and toxicity of LegHb and 17 Pichia host-proteins each representing ≥1% of total protein in production batches are evaluated by literature review, bioinformatics sequence comparisons to known allergens or toxins, and in vitro pepsin digestion. METHODS AND RESULTS Literature searches found no evidence of allergenicity or toxicity for these proteins. There are no significant sequence matches of LegHb to known allergens or toxins. Eleven Pichia proteins have modest identity matches to minor environmental allergens and 13 Pichia proteins have significant matches to proteins from toxic sources. Yet the matched allergens and toxins have similar matches to proteins from the commonly consumed yeast Saccharomyces cerevisiae, without evidence of food allergy or toxicity. The demonstrated history of safe use indicates additional tests for allergenicity and toxicity are not needed. The LegHb and Pichia sp. proteins were rapidly digested by pepsin at pH 2. CONCLUSION These results demonstrate that foods containing recombinant soy LegHb produced in Pichia sp. are unlikely to present an unacceptable risk of allergenicity or toxicity to consumers.
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Affiliation(s)
- Yuan Jin
- Food Allergy Research and Resource ProgramDept. of Food Science & TechnologyUniversity of Nebraska‐LincolnLincolnNEUSA
| | - Xiaoyun He
- College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijingChina
| | - Kwame Andoh‐Kumi
- Food Allergy Research and Resource ProgramDept. of Food Science & TechnologyUniversity of Nebraska‐LincolnLincolnNEUSA
| | | | - Mei Lu
- Food Allergy Research and Resource ProgramDept. of Food Science & TechnologyUniversity of Nebraska‐LincolnLincolnNEUSA
| | - Richard E. Goodman
- Food Allergy Research and Resource ProgramDept. of Food Science & TechnologyUniversity of Nebraska‐LincolnLincolnNEUSA
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Sankari M, Hridya H, Sneha P, George Priya Doss C, Ramamoorthy S. Effect of UV radiation and its implications on carotenoid pathway in Bixa orellana L. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 176:136-144. [DOI: 10.1016/j.jphotobiol.2017.10.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/20/2017] [Accepted: 10/01/2017] [Indexed: 12/24/2022]
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15
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Guo H, Zhou H, Zhang J, Guan W, Xu S, Shen W, Xu G, Xie Y, Foyer CH. l-cysteine desulfhydrase-related H 2 S production is involved in OsSE5-promoted ammonium tolerance in roots of Oryza sativa. PLANT, CELL & ENVIRONMENT 2017; 40:1777-1790. [PMID: 28474399 DOI: 10.1111/pce.12982] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 04/26/2017] [Accepted: 04/28/2017] [Indexed: 06/07/2023]
Abstract
Previous studies revealed that rice heme oxygenase PHOTOPERIOD SENSITIVITY 5 (OsSE5) is involved in the regulation of tolerance to excess ammonium by enhancing antioxidant defence. In this study, the relationship between OsSE5 and hydrogen sulfide (H2 S), a well-known signalling molecule, was investigated. Results showed that NH4 Cl triggered the induction of l-cysteine desulfhydrase (l-DES)-related H2 S production in rice seedling roots. A H2 S donor not only alleviated the excess ammonium-triggered inhibition of root growth but also reduced endogenous ammonium, both of which were aggravated by hypotaurine (HT, a H2 S scavenger) or dl-propargylglycine (PAG, a l-DES inhibitor). Nitrogen metabolism-related enzymes were activated by H2 S, thus resulting in the induction of amino acid synthesis and total nitrogen content. Interestingly, the activity of l-DES, as well as the enzymes involved in nitrogen metabolism, was significantly increased in the OsSE5-overexpression line (35S:OsSE5), whereas it impaired in the OsSE5-knockdown mutant (OsSE5-RNAi). The application of the HT/PAG or H2 S donor could differentially block or rescue NH4 Cl-hyposensitivity or hypersensitivity phenotypes in 35S:OsSE5-1 or OsSE5-RNAi-1 plants, with a concomitant modulation of nitrogen assimilation. Taken together, these results illustrated that H2 S function as an indispensable positive regulator participated in OsSE5-promoted ammonium tolerance, in which nitrogen metabolism was facilitated.
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Affiliation(s)
- Hongming Guo
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Heng Zhou
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jing Zhang
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wenxue Guan
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Sheng Xu
- Institute of Botany, Jiangsu Province and the Chinese Academy of Sciences, Jiangsu Province Key Laboratory for Plant Ex-Situ Conservation, Nanjing, 210014, China
| | - Wenbiao Shen
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Guohua Xu
- MOA, Laboratory of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yanjie Xie
- Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- MOA, Laboratory of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River, Nanjing Agricultural University, Nanjing, 210095, China
- Centre for Plant Sciences, School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds, LS2 9JT, UK
| | - Christine Helen Foyer
- Centre for Plant Sciences, School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds, LS2 9JT, UK
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16
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Song L, Ma Q, Zou Z, Sun K, Yao Y, Tao J, Kaleri NA, Li X. Molecular Link between Leaf Coloration and Gene Expression of Flavonoid and Carotenoid Biosynthesis in Camellia sinensis Cultivar 'Huangjinya'. FRONTIERS IN PLANT SCIENCE 2017; 8:803. [PMID: 28596773 PMCID: PMC5443146 DOI: 10.3389/fpls.2017.00803] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 04/28/2017] [Indexed: 05/18/2023]
Abstract
'Huangjinya' is an excellent albino tea germplasm cultivated in China because of its bright color and high amino acid content. It is light sensitive, with yellow leaves under intense light while green leaves under weak light. As well, the flavonoid and carotenoid levels increased after moderate shading treatment. However, the mechanism underlying this interesting phenomenon remains unclear. In this study, the transcriptome of 'Huangjinya' plants exposed to sunlight and shade were analyzed by high-throughput sequencing followed by de novo assembly. Shading 'Huangjinya' made its leaf color turn green. De novo assembly showed that the transcriptome of 'Huangjinya' leaves comprises of 127,253 unigenes, with an average length of 914 nt. Among the 81,128 functionally annotated unigenes, 207 differentially expressed genes were identified, including 110 up-regulated and 97 down-regulated genes under moderate shading compared to full light. Gene ontology (GO) indicated that the differentially expressed genes are mainly involved in protein and ion binding and oxidoreductase activity. Antioxidation-related pathways, including flavonoid and carotenoid biosynthesis, were highly enriched in these functions. Shading inhibited the expression of flavonoid biosynthesis-associated genes and induced carotenoid biosynthesis-related genes. This would suggest that decreased flavonoid biosynthetic gene expression coincides with increased flavonoids (e.g., catechin) content upon moderate shading, while carotenoid levels and biosynthetic gene expression are positively correlated in 'Huangjinya.' In conclusion, the leaf color changes in 'Huangjinya' are largely determined by the combined effects of flavonoid and carotenoid biosynthesis.
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Affiliation(s)
- Lubin Song
- Tea Research Center, Shandong Institute of PomologyTai'an, China
| | - Qingping Ma
- Tea Research Institute, College of Horticulture, Nanjing Agricultural UniversityNanjing, China
| | - Zhongwei Zou
- Department of Plant Science, University of Manitoba, WinnipegMB, Canada
| | - Kang Sun
- Tea Research Institute, College of Horticulture, Nanjing Agricultural UniversityNanjing, China
| | - Yuantao Yao
- Tea Research Center, Shandong Institute of PomologyTai'an, China
| | - Jihan Tao
- Tea Research Center, Shandong Institute of PomologyTai'an, China
| | - Najeeb A Kaleri
- Tea Research Institute, College of Horticulture, Nanjing Agricultural UniversityNanjing, China
| | - Xinghui Li
- Tea Research Institute, College of Horticulture, Nanjing Agricultural UniversityNanjing, China
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17
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Zhu L, Yang Z, Zeng X, Gao J, Liu J, Yi B, Ma C, Shen J, Tu J, Fu T, Wen J. Heme oxygenase 1 defects lead to reduced chlorophyll in Brassica napus. PLANT MOLECULAR BIOLOGY 2017; 93:579-592. [PMID: 28108964 DOI: 10.1007/s11103-017-0583-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 01/09/2017] [Indexed: 05/08/2023]
Abstract
We previously described a Brassica napus chlorophyll-deficient mutant (ygl) with yellow-green seedling leaves and mapped the related gene, BnaC.YGL, to a 0.35 cM region. However, the molecular mechanisms involved in this chlorophyll defect are still unknown. In this study, the BnaC07.HO1 gene (equivalent to BnaC.YGL) was isolated by the candidate gene approach, and its function was confirmed by genetic complementation. Comparative sequencing analysis suggested that BnaC07.HO1 was lost in the mutant, while a long noncoding-RNA was inserted into the promoter of the homologous gene BnaA07.HO1. This insert was widely present in B. napus cultivars and down-regulated BnaA07.HO1 expression. BnaC07.HO1 was highly expressed in the seedling leaves and encoded heme oxygenase 1, which was localized in the chloroplast. Biochemical analysis showed that BnaC07.HO1 can catalyze heme conversion to form biliverdin IXα. RNA-seq analysis revealed that the loss of BnaC07.HO1 impaired tetrapyrrole metabolism, especially chlorophyll biosynthesis. According, the levels of chlorophyll intermediates were reduced in the ygl mutant. In addition, gene expression in multiple pathways was affected in ygl. These findings provide molecular evidences for the basis of the yellow-green leaf phenotype and further insights into the crucial role of HO1 in B. napus.
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Affiliation(s)
- Lixia Zhu
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zonghui Yang
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Shandong Branch of National Vegetable Improvement Center, Institute of Vegetables and Flowers, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
| | - Xinhua Zeng
- Key Laboratory of Biology and Genetic Improvement of Oil Crops Oil Crops Research the Chinese Institute of Academy of Agricultural Sciences,, Ministry of Agriculture, Wuhan, 430062, China
| | - Jie Gao
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie Liu
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Bin Yi
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Chaozhi Ma
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jinxiong Shen
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jinxing Tu
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Tingdong Fu
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jing Wen
- National Key Laboratory of Crop Genetic Improvement, National Sub-center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan, 430070, China.
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18
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Li Q, Zhang X, Lv Q, Zhu D, Qiu T, Xu Y, Bao F, He Y, Hu Y. Physcomitrella Patens Dehydrins (PpDHNA and PpDHNC) Confer Salinity and Drought Tolerance to Transgenic Arabidopsis Plants. FRONTIERS IN PLANT SCIENCE 2017; 8:1316. [PMID: 28798765 PMCID: PMC5526925 DOI: 10.3389/fpls.2017.01316] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 07/12/2017] [Indexed: 05/18/2023]
Abstract
Dehydrins (DHNs) as a member of late-embryogenesis-abundant (LEA) proteins are involved in plant abiotic stress tolerance. Two dehydrins PpDHNA and PpDHNC were previously characterized from the moss Physcomitrella patens, which has been suggested to be an ideal model plant to study stress tolerance due to its adaptability to extreme environment. In this study, functions of these two genes were analyzed by heterologous expressions in Arabidopsis. Phenotype analysis revealed that overexpressing PpDHN dehydrin lines had stronger stress resistance than wild type and empty-vector control lines. These stress tolerance mainly due to the up-regulation of stress-related genes expression and mitigation to oxidative damage. The transgenic plants showed strong scavenging ability of reactive oxygen species(ROS), which was attributed to the enhancing of the content of antioxidant enzymes like superoxide dismutase (SOD) and catalase (CAT). Further analysis showed that the contents of chlorophyll and proline tended to be the appropriate level (close to non-stress environment) and the malondialdehyde (MDA) were repressed in these transgenic plants after exposure to stress. All these results suggest the PpDHNA and PpDHNC played a crucial role in response to drought and salt stress.
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19
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Nanda S, Mohanty JN, Mishra R, Joshi RK. Metabolic Engineering of Phenylpropanoids in Plants. REFERENCE SERIES IN PHYTOCHEMISTRY 2017. [DOI: 10.1007/978-3-319-28669-3_30] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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20
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Lv Q, Wang L, Wang JZ, Li P, Chen YL, Du J, He YK, Bao F. SHB1/HY1 Alleviates Excess Boron Stress by Increasing BOR4 Expression Level and Maintaining Boron Homeostasis in Arabidopsis Roots. FRONTIERS IN PLANT SCIENCE 2017; 8:790. [PMID: 28559907 PMCID: PMC5432644 DOI: 10.3389/fpls.2017.00790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 04/27/2017] [Indexed: 05/02/2023]
Abstract
Boron is an essential mineral nutrient for higher plant growth and development. However, excessive amounts of boron can be toxic. Here, we report on the characterization of an Arabidopsis mutant, shb1 (sensitive to high-level of boron 1), which exhibits hypersensitivity to excessive boron in roots. Positional cloning demonstrated that the shb1 mutant bears a point mutation in a gene encoding a heme oxygenase 1 (HO1) corresponding to the HY1 gene involved in photomorphogenesis. The transcription level of the SHB1/HY1 gene in roots is up-regulated under excessive boron stimulation. Either overexpressing SHB1/HY1 or applying the HO1 inducer hematin reduces boron accumulation in roots and confers high boron tolerance. Furthermore, carbon monoxide and bilirubin, catalytic products of HO1, partially rescue the boron toxicity-induced inhibition of primary root growth in shb1. Additionally, the mRNA level of BOR4, a boron efflux transporter, is reduced in shb1 roots with high levels of boron supplementation, and hematin cannot relieve the boron toxicity-induced root inhibition in bor4 mutants. Taken together, our study reveals that HO1 acts via its catalytic by-products to promote tolerance of excessive boron by up-regulating the transcription of the BOR4 gene and therefore promoting the exclusion of excessive boron in root cells.
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Affiliation(s)
| | | | | | | | | | | | - Yi-Kun He
- *Correspondence: Yi-Kun He, Fang Bao,
| | - Fang Bao
- *Correspondence: Yi-Kun He, Fang Bao,
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21
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de Oliveira IR, Crizel GR, Severo J, Renard CMGC, Chaves FC, Rombaldi CV. Preharvest UV-C radiation influences physiological, biochemical, and transcriptional changes in strawberry cv. Camarosa. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2016; 108:391-399. [PMID: 27552177 DOI: 10.1016/j.plaphy.2016.08.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 08/11/2016] [Accepted: 08/11/2016] [Indexed: 05/02/2023]
Abstract
Ultraviolet C (UV-C) radiation is known for preventing fungal decay and enhancing phytochemical content in fruit when applied postharvest. However, limited knowledge is available regarding fruit responses to preharvest application of UV-C radiation. Thus, the effects of UV-C radiation on photosynthetic efficiency, dry matter accumulation and partitioning, fruit yield and decay, phytochemical content, and relative transcript accumulation of genes associated with these metabolic pathways were monitored in strawberry (Fragaria x ananassa Duch.) cv. Camarosa. A reduction in photosynthetic efficiency was followed by a decrease in light harvesting complex LhcIIb-1 mRNA accumulation as well as a decrease in yield per plant. Phenylalanine ammonia lyase activity, phenolic, anthocyanin, and L-ascorbic acid contents were higher in UV-C treated fruit. In addition, preharvest UV-C treatment reduced microorganism incidence in the greenhouse and on the fruit surface, increased the accumulation of β-1,3-Gluc and PR-1 mRNA, and prevented fruit decay.
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Affiliation(s)
- Isadora Rubin de Oliveira
- UFPel, Universidade Federal de Pelotas, CDTec, Programa de Pós-graduação em Biotecnologia, C.P. 354, CEP 96010-000, Pelotas, RS, Brazil.
| | - Giseli Rodrigues Crizel
- UFPel, Universidade Federal de Pelotas, FAEM, Departamento de Ciência e Tecnologia Agroindustrial, Programa de Pós-graduação em Ciência e Tecnologia de Alimentos, C.P. 354, CEP 96010-900, Pelotas, RS, Brazil
| | - Joseana Severo
- IFF, Instituto Federal Farroupilha, Eixo de Produção Alimentícia, Rua Fábio João Andolhe, 1100, Bairro Floresta, CEP 98590-000, Campus Santo Augusto, Santo Augusto, RS, Brazil
| | - Catherine M G C Renard
- INRA, UMR408 Sécurité et Qualité des Produits d'Origine Végétale, F-84000, Avignon, France; Avignon University, UMR408 Sécurité et Qualité des Produits d'Origine Végétale, F-84000, Avignon, France
| | - Fabio Clasen Chaves
- UFPel, Universidade Federal de Pelotas, FAEM, Departamento de Ciência e Tecnologia Agroindustrial, Programa de Pós-graduação em Ciência e Tecnologia de Alimentos, C.P. 354, CEP 96010-900, Pelotas, RS, Brazil
| | - Cesar Valmor Rombaldi
- UFPel, Universidade Federal de Pelotas, FAEM, Departamento de Ciência e Tecnologia Agroindustrial, Programa de Pós-graduação em Ciência e Tecnologia de Alimentos, C.P. 354, CEP 96010-900, Pelotas, RS, Brazil
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22
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Echevarría-Zomeño S, Fernández-Calvino L, Castro-Sanz AB, López JA, Vázquez J, Castellano MM. Dissecting the proteome dynamics of the early heat stress response leading to plant survival or death in Arabidopsis. PLANT, CELL & ENVIRONMENT 2016; 39:1264-78. [PMID: 26580143 DOI: 10.1111/pce.12664] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 10/14/2015] [Accepted: 10/16/2015] [Indexed: 05/18/2023]
Abstract
In many plant species, an exposure to a sublethal temperature triggers an adaptative response called acclimation. This response involves an extensive molecular reprogramming that allows the plant to further survive to an otherwise lethal increase of temperature. A related response is also launched under an abrupt and lethal heat stress that, in this case, is unable to successfully promote thermotolerance and therefore ends up in plant death. Although these molecular programmes are expected to have common players, the overlapping degree and the specific regulators of each process are currently unknown. We have carried out a high-throughput comparative proteomics analysis during acclimation and during the early stages of the plant response to a severe heat stress that lead Arabidopsis seedlings either to survival or death. This analysis dissects these responses, unravels the common players and identifies the specific proteins associated with these different fates. Thermotolerance assays of mutants in genes with an uncharacterized role in heat stress demonstrate the relevance of this study to uncover both positive and negative heat regulators and pinpoint a pivotal role of JR1 and BAG6 in heat tolerance.
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Affiliation(s)
- Sira Echevarría-Zomeño
- Centro de Biotecnología y Genómica de Plantas, INIA-UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
| | | | - Ana B Castro-Sanz
- Centro de Biotecnología y Genómica de Plantas, INIA-UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
| | - Juan Antonio López
- Centro Nacional de Investigaciones Cardiovasculares, Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Jesús Vázquez
- Centro Nacional de Investigaciones Cardiovasculares, Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - M Mar Castellano
- Centro de Biotecnología y Genómica de Plantas, INIA-UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
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23
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Xie Y, Mao Y, Duan X, Zhou H, Lai D, Zhang Y, Shen W. Arabidopsis HY1-Modulated Stomatal Movement: An Integrative Hub Is Functionally Associated with ABI4 in Dehydration-Induced ABA Responsiveness. PLANT PHYSIOLOGY 2016; 170:1699-713. [PMID: 26704641 PMCID: PMC4775125 DOI: 10.1104/pp.15.01550] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 12/22/2015] [Indexed: 05/07/2023]
Abstract
Heme oxygenase (HO; EC 1.14.99.3) has recently been proposed as a novel component in mediating wide ranges of the plant adaptive signaling processes. However, the physiological significance and molecular basis underlying Arabidopsis (Arabidopsis thaliana) HO1 (HY1) functioning in drought tolerance remained unclear. Here, we report that mutation of HY1 promoted, but overexpression of this gene impaired, Arabidopsis drought tolerance. This was attributed to the abscisic acid (ABA)-hypersensitive or -hyposensitive phenotypes, with the regulation of stomatal closure in particular. However, comparative transcriptomic profile analysis showed that the induction of numerous ABA/stress-dependent genes in dehydrated wild-type plants was differentially impaired in the hy1 mutant. In agreement, ABA-induced ABSCISIC ACID-INSENSITIVE4 (ABI4) transcript accumulation was strengthened in the hy1 mutant. Genetic analysis further identified that the hy1-associated ABA hypersensitivity and drought tolerance were arrested in the abi4 background. Moreover, the promotion of ABA-triggered up-regulation of RbohD abundance and reactive oxygen species (ROS) levels in the hy1 mutant was almost fully blocked by the mutation of ABI4, suggesting that the HY1-ABI4 signaling in the wild type involved in stomatal closure was dependent on the RbohD-derived ROS production. However, hy1-promoted stomatal closure was not affected by a nitric oxide scavenger. Correspondingly, ABA-insensitive behaviors in rbohD stomata were not affected by either the mutation of HY1 or its ectopic expression in the rbohD background, both of which responded significantly to exogenous ROS. These data indicate that HY1 functioned negatively and acted upstream of ABI4 in drought signaling, which was casually dependent on the RbohD-derived ROS in the regulation of stomatal closure.
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Affiliation(s)
- Yanjie Xie
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yu Mao
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xingliang Duan
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Heng Zhou
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Diwen Lai
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yihua Zhang
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenbiao Shen
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
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Rusaczonek A, Czarnocka W, Kacprzak S, Witoń D, Ślesak I, Szechyńska-Hebda M, Gawroński P, Karpiński S. Role of phytochromes A and B in the regulation of cell death and acclimatory responses to UV stress in Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:6679-95. [PMID: 26385378 PMCID: PMC4623682 DOI: 10.1093/jxb/erv375] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Plants coordinate their responses to various biotic and abiotic stresses in order to optimize their developmental and acclimatory programmes. The ultimate response to an excessive amount of stress is local induction of cell death mechanisms. The death of certain cells can help to maintain tissue homeostasis and enable nutrient remobilization, thus increasing the survival chances of the whole organism in unfavourable environmental conditions. UV radiation is one of the environmental factors that negatively affects the photosynthetic process and triggers cell death. The aim of this work was to evaluate a possible role of the red/far-red light photoreceptors phytochrome A (phyA) and phytochrome B (phyB) and their interrelations during acclimatory responses to UV stress. We showed that UV-C treatment caused a disturbance in photosystem II and a deregulation of photosynthetic pigment content and antioxidant enzymes activities, followed by increased cell mortality rate in phyB and phyAB null mutants. We also propose a regulatory role of phyA and phyB in CO2 assimilation, non-photochemical quenching, reactive oxygen species accumulation and salicylic acid content. Taken together, our results suggest a novel role of phytochromes as putative regulators of cell death and acclimatory responses to UV.
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Affiliation(s)
- Anna Rusaczonek
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland
| | - Weronika Czarnocka
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland Department of Botany, Faculty of Agriculture and Biology, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, 02-776 Warsaw, Poland
| | - Sylwia Kacprzak
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland
| | - Damian Witoń
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland
| | - Ireneusz Ślesak
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek Street 21, 30-239 Krakow, Poland
| | - Magdalena Szechyńska-Hebda
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek Street 21, 30-239 Krakow, Poland
| | - Piotr Gawroński
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland
| | - Stanisław Karpiński
- Department of Plant Genetics, Breeding and Biotechnology, Faculty of Horticulture, Biotechnology and Landscape Architecture, Warsaw University of Life Sciences (SGGW), Nowoursynowska Street 159, Warsaw, 02-776 Poland
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Chen W, He S, Liu D, Patil GB, Zhai H, Wang F, Stephenson TJ, Wang Y, Wang B, Valliyodan B, Nguyen HT, Liu Q. A Sweetpotato Geranylgeranyl Pyrophosphate Synthase Gene, IbGGPS, Increases Carotenoid Content and Enhances Osmotic Stress Tolerance in Arabidopsis thaliana. PLoS One 2015; 10:e0137623. [PMID: 26376432 PMCID: PMC4574098 DOI: 10.1371/journal.pone.0137623] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 08/20/2015] [Indexed: 11/19/2022] Open
Abstract
Sweetpotato highly produces carotenoids in storage roots. In this study, a cDNA encoding geranylgeranyl phyrophosphate synthase (GGPS), named IbGGPS, was isolated from sweetpotato storage roots. Green fluorescent protein (GFP) was fused to the C-terminus of IbGGPS to obtain an IbGGPS-GFP fusion protein that was transiently expressed in both epidermal cells of onion and leaves of tobacco. Confocal microscopic analysis determined that the IbGGPS-GFP protein was localized to specific areas of the plasma membrane of onion and chloroplasts in tobacco leaves. The coding region of IbGGPS was cloned into a binary vector under the control of 35S promoter and then transformed into Arabidopsis thaliana to obtain transgenic plants. High performance liquid chromatography (HPLC) analysis showed a significant increase of total carotenoids in transgenic plants. The seeds of transgenic and wild-type plants were germinated on an agar medium supplemented with polyethylene glycol (PEG). Transgenic seedlings grew significantly longer roots than wild-type ones did. Further enzymatic analysis showed an increased activity of superoxide dismutase (SOD) in transgenic seedlings. In addition, the level of malondialdehyde (MDA) was reduced in transgenics. qRT-PCR analysis showed altered expressions of several genes involved in the carotenoid biosynthesis in transgenic plants. These data results indicate that IbGGPS is involved in the biosynthesis of carotenoids in sweetpotato storage roots and likely associated with tolerance to osmotic stress.
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Affiliation(s)
- Wei Chen
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Shaozhen He
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Degao Liu
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Gunvant B. Patil
- Division of Plant Sciences and National Center for Soybean Biotechnology, University of Missouri, Columbia, Missouri, United States of America
| | - Hong Zhai
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Feibing Wang
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Troy J. Stephenson
- Division of Plant Sciences and National Center for Soybean Biotechnology, University of Missouri, Columbia, Missouri, United States of America
| | - Yannan Wang
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Bing Wang
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
| | - Babu Valliyodan
- Division of Plant Sciences and National Center for Soybean Biotechnology, University of Missouri, Columbia, Missouri, United States of America
| | - Henry T. Nguyen
- Division of Plant Sciences and National Center for Soybean Biotechnology, University of Missouri, Columbia, Missouri, United States of America
| | - Qingchang Liu
- Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, China Agricultural University, Beijing, China
- * E-mail:
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Suzuki M, Nakabayashi R, Ogata Y, Sakurai N, Tokimatsu T, Goto S, Suzuki M, Jasinski M, Martinoia E, Otagaki S, Matsumoto S, Saito K, Shiratake K. Multiomics in grape berry skin revealed specific induction of the stilbene synthetic pathway by ultraviolet-C irradiation. PLANT PHYSIOLOGY 2015; 168:47-59. [PMID: 25761715 PMCID: PMC4424009 DOI: 10.1104/pp.114.254375] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 03/04/2015] [Indexed: 05/08/2023]
Abstract
Grape (Vitis vinifera) accumulates various polyphenolic compounds, which protect against environmental stresses, including ultraviolet-C (UV-C) light and pathogens. In this study, we looked at the transcriptome and metabolome in grape berry skin after UV-C irradiation, which demonstrated the effectiveness of omics approaches to clarify important traits of grape. We performed transcriptome analysis using a genome-wide microarray, which revealed 238 genes up-regulated more than 5-fold by UV-C light. Enrichment analysis of Gene Ontology terms showed that genes encoding stilbene synthase, a key enzyme for resveratrol synthesis, were enriched in the up-regulated genes. We performed metabolome analysis using liquid chromatography-quadrupole time-of-flight mass spectrometry, and 2,012 metabolite peaks, including unidentified peaks, were detected. Principal component analysis using the peaks showed that only one metabolite peak, identified as resveratrol, was highly induced by UV-C light. We updated the metabolic pathway map of grape in the Kyoto Encyclopedia of Genes and Genomes (KEGG) database and in the KaPPA-View 4 KEGG system, then projected the transcriptome and metabolome data on a metabolic pathway map. The map showed specific induction of the resveratrol synthetic pathway by UV-C light. Our results showed that multiomics is a powerful tool to elucidate the accumulation mechanisms of secondary metabolites, and updated systems, such as KEGG and KaPPA-View 4 KEGG for grape, can support such studies.
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Affiliation(s)
- Mami Suzuki
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Ryo Nakabayashi
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Yoshiyuki Ogata
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Nozomu Sakurai
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Toshiaki Tokimatsu
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Susumu Goto
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Makoto Suzuki
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Michal Jasinski
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Enrico Martinoia
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Shungo Otagaki
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Shogo Matsumoto
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Kazuki Saito
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
| | - Katsuhiro Shiratake
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan (Mam.S., S.O., S.M., K.Sh.);National Institute of Vegetables and Tea Science, Taketoyo 470-2351, Japan (Mam.S.);RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan (R.N., Mak.S., K.Sa.);Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Naka, Sakai 599-8531, Japan (Y.O.);Kazusa DNA Research Institute, Kisarazu 292-0818, Japan (N.S.);Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji 611-0011, Japan (T.T., S.G.);Database Center for Life Science, Research Organization of Information and Systems, Kashiwa 277-0871, Japan (T.T.);Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 60-637 Poznan, Poland (M.J.);Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 61-704 Poznan, Poland (M.J.);Institute of Plant Biology, University of Zurich, Zurich 8008, Switzerland (E.M.); andGraduate School of Pharmaceutical Sciences, Chiba University, Chuo, Chiba 260-8675, Japan (K.Sa.)
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27
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Xie Y, Mao Y, Xu S, Zhou H, Duan X, Cui W, Zhang J, Xu G. Heme-heme oxygenase 1 system is involved in ammonium tolerance by regulating antioxidant defence in Oryza sativa. PLANT, CELL & ENVIRONMENT 2015; 38:129-43. [PMID: 24905845 DOI: 10.1111/pce.12380] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 05/25/2014] [Accepted: 05/27/2014] [Indexed: 05/22/2023]
Abstract
Despite substantial evidence showing the ammonium-altered redox homeostasis in plants, the involvement and molecular mechanism of heme-heme oxygenase 1 (heme-HO1), a novel antioxidant system, in the regulation of ammonium tolerance remain elusive. To fill in these gaps, the biological function of rice HO1 (OsSE5) was investigated. Results showed that NH4 Cl up-regulated rice OsSE5 expression. Oxidative stress and subsequent growth inhibition induced by excess NH4 Cl was partly mitigated by pretreatment with carbon monoxide (CO, a by-product of HO1 activity) or intensified by zinc protoporphyrin (ZnPP, a potent inhibitor of HO1 activity). Pretreatment with HO1 inducer hemin, not only up-regulated OsSE5 expression and HO activity, but also rescued the down-regulation of antioxidant transcripts, total and related isozymatic activities, thus significantly counteracting the excess NH4 Cl-triggered reactive oxygen species overproduction, lipid peroxidation and growth inhibition. OsSE5 RNAi transgenic rice plants revealed NH4 Cl-hypersensitive phenotype with impaired antioxidant defence, both of which could be rescued by CO but not hemin. Transgenic Arabidopsis plants over-expressing OsSE5 also exhibited enhanced tolerance to NH4 Cl, which might be attributed to the up-regulation of several antioxidant transcripts. Altogether, these results illustrated the involvement of heme-HO1 system in ammonium tolerance by enhancing antioxidant defence, which may improve plant tolerance to excess ammonium fertilizer.
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Affiliation(s)
- Yanjie Xie
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China; MOA Key Laboratory of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River, Nanjing Agricultural University, Nanjing, 210095, China; Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
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Xi H, Ma L, Liu G, Wang N, Wang J, Wang L, Dai Z, Li S, Wang L. Transcriptomic analysis of grape (Vitis vinifera L.) leaves after exposure to ultraviolet C irradiation. PLoS One 2014; 9:e113772. [PMID: 25464056 PMCID: PMC4252036 DOI: 10.1371/journal.pone.0113772] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 10/29/2014] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Only a small amount of solar ultraviolet C (UV-C) radiation reaches the Earth's surface. This is because of the filtering effects of the stratospheric ozone layer. Artificial UV-C irradiation is used on leaves and fruits to stimulate different biological processes in plants. Grapes are a major fruit crop and are grown in many parts of the world. Research has shown that UV-C irradiation induces the biosynthesis of phenols in grape leaves. However, few studies have analyzed the overall changes in gene expression in grape leaves exposed to UV-C. METHODOLOGY/PRINCIPAL FINDINGS In the present study, transcriptional responses were investigated in grape (Vitis vinifera L.) leaves before and after exposure to UV-C irradiation (6 W·m-2 for 10 min) using an Affymetrix Vitis vinifera (Grape) Genome Array (15,700 transcripts). A total of 5274 differentially expressed probe sets were defined, including 3564 (67.58%) probe sets that appeared at both 6 and 12 h after exposure to UV-C irradiation but not before exposure. A total of 468 (8.87%) probe sets and 1242 (23.55%) probe sets were specifically expressed at these times. The probe sets were associated with a large number of important traits and biological pathways, including cell rescue (i.e., antioxidant enzymes), protein fate (i.e., HSPs), primary and secondary metabolism, and transcription factors. Interestingly, some of the genes involved in secondary metabolism, such as stilbene synthase, responded intensely to irradiation. Some of the MYB and WRKY family transcription factors, such as VvMYBPA1, VvMYB14, VvMYB4, WRKY57-like, and WRKY 65, were also strongly up-regulated (about 100 to 200 fold). CONCLUSIONS UV-C irridiation has an important role in some biology processes, especially cell rescue, protein fate, secondary metabolism, and regulation of transcription.These results opened up ways of exploring the molecular mechanisms underlying the effects of UV-C irradiation on grape leaves and have great implications for further studies.
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Affiliation(s)
- Huifen Xi
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Ling Ma
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Guotian Liu
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Nian Wang
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R.China
| | - Junfang Wang
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Lina Wang
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R.China
| | - Zhanwu Dai
- INRA, ISVV, UMR 1287 EGFV, Villenave d'Ornon, France
| | - Shaohua Li
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R.China
| | - Lijun Wang
- Key Laboratory of Plant Resources and Beijing Key Laboratory of Grape Science and Enology, Institute of Botany, the Chinese Academy of Sciences, Beijing, P.R. China
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Mierziak J, Kostyn K, Kulma A. Flavonoids as important molecules of plant interactions with the environment. Molecules 2014; 19:16240-65. [PMID: 25310150 PMCID: PMC6270724 DOI: 10.3390/molecules191016240] [Citation(s) in RCA: 497] [Impact Index Per Article: 49.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 12/23/2022] Open
Abstract
Flavonoids are small molecular secondary metabolites synthesized by plants with various biological activities. Due to their physical and biochemical properties, they are capable of participating in plants' interactions with other organisms (microorganisms, animals and other plants) and their reactions to environmental stresses. The majority of their functions result from their strong antioxidative properties. Although an increasing number of studies focus on the application of flavonoids in medicine or the food industry, their relevance for the plants themselves also deserves extensive investigations. This review summarizes the current knowledge on the functions of flavonoids in the physiology of plants and their relations with the environment.
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Affiliation(s)
- Justyna Mierziak
- Faculty of Biotechnology, Wroclaw University, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
| | - Kamil Kostyn
- Faculty of Biotechnology, Wroclaw University, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland.
| | - Anna Kulma
- Faculty of Biotechnology, Wroclaw University, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
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Lin JS, Lin HH, Li YC, King YC, Sung RJ, Kuo YW, Lin CC, Shen YH, Jeng ST. Carbon monoxide regulates the expression of the wound-inducible gene ipomoelin through antioxidation and MAPK phosphorylation in sweet potato. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:5279-90. [PMID: 25063862 PMCID: PMC4157712 DOI: 10.1093/jxb/eru291] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 06/04/2014] [Accepted: 06/06/2014] [Indexed: 05/24/2023]
Abstract
Carbon monoxide (CO), one of the haem oxygenase (HO) products, plays important roles in plant development and stress adaptation. However, the function of CO involved in wounding responses is seldom studied. A wound-inducible gene, ipomoelin (IPO), of sweet potato (Ipomoea batatas cv. Tainung 57) was used as a target to study the regulation of CO in wounding responses. After wounding for 1h, the endogenous CO content and IbHO expression level were significantly reduced in leaves. IPO expression upon wounding was prohibited by the HO activator hemin, whereas the HO inhibitor zinc protoporphyrin IX elevated IPO expression. The IPO expression induced by wounding, H2O2, or methyl jasmonate was inhibited by CO. CO also affected the activities of ascorbate peroxidase, catalase, and peroxidase, and largely decreased H2O2 content in leaves. CO inhibited the extracellular signal-regulated kinase (ERK) phosphorylation induced by wounding. IbMAPK, the ERK of sweet potato, was identified by immunoblotting, and the interaction with its upstream activator, IbMEK1, was further confirmed by bimolecular fluorescence complementation and co-immunoprecipitation. Conclusively, wounding in leaves repressed IbHO expression and CO production, induced H2O2 generation and ERK phosphorylation, and then stimulated IPO expression.
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Affiliation(s)
- Jeng-Shane Lin
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Hsin-Hung Lin
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Yu-Chi Li
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Yu-Chi King
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Ruei-Jin Sung
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Yun-Wei Kuo
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Chih-Ching Lin
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Yu-Hsing Shen
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
| | - Shih-Tong Jeng
- Institute of Plant Biology and Department of Life Science, National Taiwan University, Taipei 10617, Taiwan
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Lai D, Mao Y, Zhou H, Li F, Wu M, Zhang J, He Z, Cui W, Xie Y. Endogenous hydrogen sulfide enhances salt tolerance by coupling the reestablishment of redox homeostasis and preventing salt-induced K⁺ loss in seedlings of Medicago sativa. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2014; 225:117-29. [PMID: 25017167 DOI: 10.1016/j.plantsci.2014.06.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 06/06/2014] [Accepted: 06/07/2014] [Indexed: 05/17/2023]
Abstract
Despite the external application of hydrogen sulfide (H2S) conferring plant tolerance against various environmental cues, the physiological significance of l-cysteine desulfhydrase (L-DES)-associated endogenous H2S production involved in salt-stress signaling was poorly understood. To address this gap, the participation of in planta changes of H2S homeostasis involved in alfalfa salt tolerance was investigated. The increasing concentration of NaCl (from 50 to 300 mM) progressively caused the induction of total l-DES activity and the increase of endogenous H2S production. NaCl-triggered toxicity symptoms (175 mM), including seedling growth inhibition and lipid peroxidation, were alleviated by sodium hydrosulfide (NaHS; 100 μM), a H2S donor, whereas aggravated by an inhibitor of l-DES or a H2S scavenger. A weaker or negative response was observed in lower or higher dose of NaHS. Further results showed that endogenous l-DES-related H2S modulated several genes/activities of antioxidant defence enzymes, and also regulated the contents of antioxidant compounds, thus counterbalancing the NaCl-induced lipid peroxidation. Moreover, H2S maintained K(+)/Na(+) homeostasis by preventing the NaCl-triggered K(+) efflux, which might be result form the impairment of SKOR expression. Together, our findings indicated that endogenous H2S homeostasis enhance salt tolerance by coupling the reestablishment of redox balance and restraining K(+) efflux in alfalfa seedlings.
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Affiliation(s)
- Diwen Lai
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yu Mao
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Heng Zhou
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Feng Li
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Mingzhu Wu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Jing Zhang
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Ziyi He
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Weiti Cui
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanjie Xie
- College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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Ma F, Wang L, Li J, Samma MK, Xie Y, Wang R, Wang J, Zhang J, Shen W. Interaction between HY1 and H2O2 in auxin-induced lateral root formation in Arabidopsis. PLANT MOLECULAR BIOLOGY 2014; 85:49-61. [PMID: 24366686 DOI: 10.1007/s11103-013-0168-3] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Accepted: 12/16/2013] [Indexed: 05/07/2023]
Abstract
Haem oxygenase-1 (HO-1) and hydrogen peroxide (H2O2) are two key downstream signals of auxin, a well-known phytohormone regulating plant growth and development. However, the inter-relationship between HO-1 and H2O2 in auxin-mediated lateral root (LR) formation is poorly understood. Herein, we revealed that exogenous auxin, 1-naphthylacetic acid (NAA), could simultaneously stimulate Arabidopsis HO-1 (HY1) gene expression and H2O2 generation. Subsequently, LR formation was induced. NAA-induced HY1 expression is dependent on H2O2. This conclusion was supported by analyzing the removal of H2O2 with ascorbic acid (AsA) and dimethylthiourea (DMTU), both of which could block NAA-induced HY1 expression and LR formation. H2O2-induced LR formation was inhibited by an HO-1 inhibitor zinc protoporphyrin IX (Znpp) in wild-type and severely impaired in HY1 mutant hy1-100. Simultaneously, HY1 is required for NAA-mediated H2O2 generation, since Znpp inhibition of HY1 blocked the NAA-induced H2O2 production and LR formation. Genetic data demonstrated that hy1-100 was significantly impaired in H2O2 production and LR formation in response to NAA, compared with wild-type plants. The addition of carbon monoxide-releasing molecule-2 (CORM-2), the carbon monoxide (CO) donor, induced H2O2 production and LR formation, both of which were decreased by DMTU. Moreover, H2O2 and CORM-2 mimicked the NAA responses in the regulation of cell cycle genes expression, all of which were blocked by Znpp or DMTU, respectively, confirming that both H2O2 and CO were important in the early LR initiation. In summary, our pharmacological, genetic and molecular evidence demonstrated a close inter-relationship between HY1 and H2O2 existing in auxin-induced LR formation in Arabidopsis.
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Affiliation(s)
- Fei Ma
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
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Xie Y, Zhang C, Lai D, Sun Y, Samma MK, Zhang J, Shen W. Hydrogen sulfide delays GA-triggered programmed cell death in wheat aleurone layers by the modulation of glutathione homeostasis and heme oxygenase-1 expression. JOURNAL OF PLANT PHYSIOLOGY 2014; 171:53-62. [PMID: 24331419 DOI: 10.1016/j.jplph.2013.09.018] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 09/01/2013] [Accepted: 09/02/2013] [Indexed: 05/21/2023]
Abstract
Hydrogen sulfide (H2S) is considered as a cellular signaling intermediate in higher plants, but corresponding molecular mechanisms and signal transduction pathways in plant biology are still limited. In the present study, a combination of pharmacological and biochemical approaches was used to study the effect of H2S on the alleviation of GA-induced programmed cell death (PCD) in wheat aleurone cells. The results showed that in contrast with the responses of ABA, GA brought about a gradual decrease of l-cysteine desulfhydrase (LCD) activity and H2S production, and thereafter PCD occurred. Exogenous H2S donor sodium hydrosulfide (NaHS) not only effectively blocked the decrease of endogenous H2S release, but also alleviated GA-triggered PCD in wheat aleurone cells. These responses were sensitive to hypotaurine (HT), a H2S scavenger, suggesting that this effect of NaHS was in an H2S-dependent fashion. Further experiment confirmed that H2S, rather than other sodium- or sulphur-containing compounds derived from the decomposing of NaHS, was attributed to the rescuing response. Importantly, the reversing effect was associated with glutathione (GSH) because the NaHS triggered increases of endogenous GSH content and the ratio of GSH/oxidized GSH (GSSG) in GA-treated layers, and the NaHS-mediated alleviation of PCD was markedly eliminated by l-buthionine-sulfoximine (BSO, a selective inhibitor of GSH biosynthesis). The inducible effect of NaHS was also ascribed to the modulation of heme oxygenase-1 (HO-1), because the specific inhibitor of HO-1 zinc protoporphyrin IX (ZnPP) significantly suppressed the NaHS-related responses. By contrast, the above inhibitory effects were reversed partially when carbon monoxide (CO) aqueous solution or bilirubin (BR), two of the by-products of HO-1, was added, respectively. NaHS-triggered HO-1 gene expression in GA-treated layers was also confirmed. Together, the above results clearly suggested that the H2S-delayed PCD in GA-treated wheat aleurone cells was associated with the modulation of GSH homeostasis and HO-1 gene expression.
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Affiliation(s)
- Yanjie Xie
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Chen Zhang
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Diwen Lai
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Ya Sun
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Muhammad Kaleem Samma
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Jing Zhang
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
| | - Wenbiao Shen
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China.
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Chen H, Cheng Z, Ma X, Wu H, Liu Y, Zhou K, Chen Y, Ma W, Bi J, Zhang X, Guo X, Wang J, Lei C, Wu F, Lin Q, Liu Y, Liu L, Jiang L. A knockdown mutation of YELLOW-GREEN LEAF2 blocks chlorophyll biosynthesis in rice. PLANT CELL REPORTS 2013; 32:1855-67. [PMID: 24043333 DOI: 10.1007/s00299-013-1498-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 08/09/2013] [Accepted: 08/26/2013] [Indexed: 05/19/2023]
Abstract
An insert mutation of YELLOW-GREEN LEAF2 , encoding Heme Oxygenase 1 , results in significant reduction of its transcript levels, and therefore impairs chlorophyll biosynthesis in rice. Heme oxygenase (HO) in higher plants catalyzes the degradation of heme to synthesize phytochrome precursor and its roles conferring the photoperiodic control of flowering in rice have been revealed. However, its involvement in regulating rice chlorophyll (Chl) synthesis is not fully explored. In this study, we isolated a rice mutant named yellow-green leaf 2 (ygl2) from a (60)Co-irradiated population. Normal grown ygl2 seedlings showed yellow-green leaves with reduced contents of Chl and tetrapyrrole intermediates whereas an increase of Chl a/b ratio. Ultrastructural analyses demonstrated grana were poorly stacked in ygl2 mutant, resulting in underdevelopment of chloroplasts. The ygl2 locus was mapped to chromosome 6 and isolated via map-based cloning. Sequence analysis indicated that it encodes the rice HO1 and its identity was verified by transgenic complementation test and RNA interference. A 7-Kb insertion was found in the first exon of YGL2/HO1, resulting in significant reduction of YGL2 expressions in the ygl2 mutant. YGL2 was constitutively expressed in a variety of rice tissues with the highest levels in leaves and regulated by temperature. In addition, we found expression levels of some genes associated with Chl biosynthesis and photosynthesis were concurrently altered in ygl2 mutant. These results provide direct evidence that YGL2 has a vital function in rice Chl biosynthesis.
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Affiliation(s)
- Hong Chen
- National Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
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Park HL, Lee SW, Jung KH, Hahn TR, Cho MH. Transcriptomic analysis of UV-treated rice leaves reveals UV-induced phytoalexin biosynthetic pathways and their regulatory networks in rice. PHYTOCHEMISTRY 2013; 96:57-71. [PMID: 24035516 DOI: 10.1016/j.phytochem.2013.08.012] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 08/08/2013] [Accepted: 08/20/2013] [Indexed: 05/13/2023]
Abstract
Rice produces diterpenoid and flavonoid phytoalexins for defense against pathogen attack. The production of phytoalexins in rice is also induced by UV-irradiation. To understand the metabolic networks involved in UV-induced phytoalexin biosynthesis and their regulation, phytochemical and transcriptomic analyses of UV-treated rice leaves were performed. In response to UV treatment, the accumulation of flavonoids was observed in rice leaves, which may serve as antioxidants against UV-induced oxidative stress. The phytochemical analysis confirmed sakuranetin accumulation and also demonstrated the induction of phenylamide synthesis in rice leaves by UV-irradiation. Transcriptomic analysis established that aromatic amino acid biosynthetic genes were immediately up-regulated after UV treatment. The genes involved in the phenylpropanoid pathway and flavonoid biosynthesis were also up-regulated. These findings suggest that the aromatic amino acid and flavonoid biosynthetic pathways are coordinately activated for the production of flavonoids and phenolic phytoalexins such as sakuranetin and phenylamides. An in silico analysis of UV-induced O-methyltransferase and acyltransferase genes suggested that these genes may be implicated in sakuranetin and phenylamide synthesis, respectively. The transcriptomic analysis also showed up-regulation of both methylerythritol phosphate pathway and the diterpenoid phytoalexin biosynthetic genes in response to UV treatment. A functional gene network analysis of phytoalexin biosynthetic and UV-induced genes for signaling components and transcription factors using RiceNet suggested that regulatory networks comprising signal perceiving receptor kinases, G-proteins, signal transducing mitogen-activated protein kinases and calcium signaling components, and transcription factors control flavonoid and phytoalexin biosynthesis in rice leaves under UV-C stress conditions.
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Affiliation(s)
- Hye Lin Park
- Graduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Republic of Korea
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Zhao S, Tuan PA, Li X, Kim YB, Kim H, Park CG, Yang J, Li CH, Park SU. Identification of phenylpropanoid biosynthetic genes and phenylpropanoid accumulation by transcriptome analysis of Lycium chinense. BMC Genomics 2013; 14:802. [PMID: 24252158 PMCID: PMC4046672 DOI: 10.1186/1471-2164-14-802] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Accepted: 11/13/2013] [Indexed: 12/27/2022] Open
Abstract
Background Lycium chinense is well known in traditional Chinese herbal medicine for its medicinal value and composition, which have been widely studied for decades. However, further research on Lycium chinense is limited due to the lack of transcriptome and genomic information. Results The transcriptome of L. chinense was constructed by using an Illumina HiSeq 2000 sequencing platform. All 56,526 unigenes with an average length of 611 nt and an N50 equaling 848 nt were generated from 58,192,350 total raw reads after filtering and assembly. Unigenes were assembled by BLAST similarity searches and annotated with Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) orthology identifiers. Using these transcriptome data, the majority of genes that are associated with phenylpropanoid biosynthesis in L. chinense were identified. In addition, phenylpropanoid biosynthesis-related gene expression and compound content in different organs were analyzed. We found that most phenylpropanoid genes were highly expressed in the red fruits, leaves, and flowers. An important phenylpropanoid, chlorogenic acid, was also found to be extremely abundant in leaves. Conclusions Using Illumina sequencing technology, we have identified the function of novel homologous genes that regulate metabolic pathways in Lycium chinense. Electronic supplementary material The online version of this article (doi:10.1186/1471-2164-14-802) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shicheng Zhao
- Department of Crop Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 305-764, Korea.
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Chlorophyll deficiency in the maize elongated mesocotyl2 mutant is caused by a defective heme oxygenase and delaying grana stacking. PLoS One 2013; 8:e80107. [PMID: 24244620 PMCID: PMC3823864 DOI: 10.1371/journal.pone.0080107] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 10/08/2013] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Etiolated seedlings initiate grana stacking and chlorophyll biosynthesis in parallel with the first exposure to light, during which phytochromes play an important role. Functional phytochromes are biosynthesized separately for two components. One phytochrome is biosynthesized for apoprotein and the other is biosynthesized for the chromophore that includes heme oxygenase (HO). METHODOLOGY/PRINCIPAL FINDING We isolated a ho1 homolog by map-based cloning of a maize elongated mesocotyl2 (elm2) mutant. cDNA sequencing of the ho1 homolog in elm2 revealed a 31 bp deletion. De-etiolation responses to red and far-red light were disrupted in elm2 seedlings, with a pronounced elongation of the mesocotyl. The endogenous HO activity in the elm2 mutant decreased remarkably. Transgenic complementation further confirmed the dysfunction in the maize ho1 gene. Moreover, non-appressed thylakoids were specifically stacked at the seedling stage in the elm2 mutant. CONCLUSION The 31 bp deletion in the ho1 gene resulted in a decrease in endogenous HO activity and disrupted the de-etiolation responses to red and far-red light. The specific stacking of non-appressed thylakoids suggested that the chlorophyll biosynthesis regulated by HO1 is achieved by coordinating the heme level with the regulation of grana stacking.
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Cui W, Zhang J, Xuan W, Xie Y. Up-regulation of heme oxygenase-1 contributes to the amelioration of aluminum-induced oxidative stress in Medicago sativa. JOURNAL OF PLANT PHYSIOLOGY 2013; 170:1328-36. [PMID: 23810302 DOI: 10.1016/j.jplph.2013.05.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 04/27/2013] [Accepted: 05/02/2013] [Indexed: 05/04/2023]
Abstract
In this report, pharmacological, histochemical and molecular approaches were used to investigate the effect of heme oxygenase-1 (HO-1) up-regulation on the alleviation of aluminum (Al)-induced oxidative stress in Medicago sativa. Exposure of alfalfa to AlCl3 (0-100 μM) resulted in a dose-dependent inhibition of root elongation as well as the enhancement of thiobarbituric acid reactive substances (TBARS) content. 1 and 10 μM (in particular) Al(3+) increased alfalfa HO-1 transcript or its protein level, and HO activity in comparison with the decreased changes in 100 μM Al-treated samples. After recuperation, however, TBARS levels in 1 and 10 μM Al-treated alfalfa roots returned to control values, which were accompanied with the higher levels of HO activity. Subsequently, exogenous CO, a byproduct of HO-1, could substitute for the cytoprotective effects of the up-regulation of HO-1 in alfalfa plants upon Al stress, which was confirmed by the alleviation of TBARS and Al accumulation, as well as the histochemical analysis of lipid peroxidation and loss of plasma membrane integrity. Theses results indicated that endogenous CO generated via heme degradation by HO-1 could contribute in a critical manner to its protective effects. Additionally, the pretreatments of butylated hydroxytoluene (BHT) and hemin, an inducer of HO-1, exhibited the similar cytoprotective roles in the alleviation of oxidative stress, both of which were impaired by the potent inhibitor of HO-1, zinc protoporphyrin IX (ZnPP). However, the Al-induced inhibition of root elongation was not influenced by CO, BHT and hemin, respectively. Together, the present results showed up-regulation of HO-1 expression could act as a mechanism of cell protection against oxidative stress induced by Al treatment.
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Affiliation(s)
- Weiti Cui
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province 210095, China
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Xie Y, Mao Y, Lai D, Zhang W, Zheng T, Shen W. Roles of NIA/NR/NOA1-dependent nitric oxide production and HY1 expression in the modulation of Arabidopsis salt tolerance. JOURNAL OF EXPERIMENTAL BOTANY 2013; 64:3045-60. [PMID: 23744476 PMCID: PMC3741688 DOI: 10.1093/jxb/ert149] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Despite substantial evidence on the separate roles of Arabidopsis nitric oxide-associated 1 (NOA1)-associated nitric oxide (NO) production and haem oxygenase 1 (HY1) expression in salt tolerance, their integrative signalling pathway remains largely unknown. To fill this knowledge gap, the interaction network among nitrate reductase (NIA/NR)- and NOA1-dependent NO production and HY1 expression was studied at the genetic and molecular levels. Upon salinity stress, the majority of NO production was attributed to NIA/NR/NOA1. Further evidence confirmed that HY1 mutant hy1-100, nia1/2/noa1, and nia1/2/noa1/hy1-100 mutants exhibited progressive salt hypersensitivity, all of which were significantly rescued by three NO-releasing compounds. The salinity-tolerant phenotype and the stronger NO production in gain-of-function mutant of HY1 were also blocked by the NO synthetic inhibitor and scavenger. Although NO- or HY1-deficient mutants showed a compensatory mode of upregulation of HY1 or slightly increased NO production, respectively, during 2 d of salt treatment, downregulation of ZAT10/12-mediated antioxidant gene expression (cAPX1/2 and FSD1) was observed after 7 d of treatment. The hypersensitive phenotypes and stress-related genes expression profiles were differentially rescued or blocked by the application of NO- (in particular) or carbon monoxide (CO)-releasing compounds, showing a synergistic mode. Similar reciprocal responses were observed in the nia1/2/noa1/hy1-100 quadruple mutant, with the NO-releasing compounds exhibit the maximal rescuing responses. Overall, the findings present the combination of compensatory and synergistic modes, linking NIA/NR/NOA1-dependent NO production and HY1 expression in the modulation of plant salt tolerance.
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Affiliation(s)
- Yanjie Xie
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, China
- * These authors contributed equally to this work
| | - Yu Mao
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, China
- * These authors contributed equally to this work
| | - Diwen Lai
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Zhang
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, China
| | - Tianqing Zheng
- Institute of Crop Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Wenbiao Shen
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University and Carl Zeiss Far East, Nanjing Agricultural University, Nanjing 210095, China
- To whom correspondence should be addressed. E-mail:
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Nawkar GM, Maibam P, Park JH, Sahi VP, Lee SY, Kang CH. UV-Induced cell death in plants. Int J Mol Sci 2013; 14:1608-28. [PMID: 23344059 PMCID: PMC3565337 DOI: 10.3390/ijms14011608] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Revised: 12/05/2012] [Accepted: 01/04/2013] [Indexed: 12/01/2022] Open
Abstract
Plants are photosynthetic organisms that depend on sunlight for energy. Plants respond to light through different photoreceptors and show photomorphogenic development. Apart from Photosynthetically Active Radiation (PAR; 400-700 nm), plants are exposed to UV light, which is comprised of UV-C (below 280 nm), UV-B (280-320 nm) and UV-A (320-390 nm). The atmospheric ozone layer protects UV-C radiation from reaching earth while the UVR8 protein acts as a receptor for UV-B radiation. Low levels of UV-B exposure initiate signaling through UVR8 and induce secondary metabolite genes involved in protection against UV while higher dosages are very detrimental to plants. It has also been reported that genes involved in MAPK cascade help the plant in providing tolerance against UV radiation. The important targets of UV radiation in plant cells are DNA, lipids and proteins and also vital processes such as photosynthesis. Recent studies showed that, in response to UV radiation, mitochondria and chloroplasts produce a reactive oxygen species (ROS). Arabidopsis metacaspase-8 (AtMC8) is induced in response to oxidative stress caused by ROS, which acts downstream of the radical induced cell death (AtRCD1) gene making plants vulnerable to cell death. The studies on salicylic and jasmonic acid signaling mutants revealed that SA and JA regulate the ROS level and antagonize ROS mediated cell death. Recently, molecular studies have revealed genes involved in response to UV exposure, with respect to programmed cell death (PCD).
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Affiliation(s)
| | | | - Jung Hoon Park
- Division of Applied Life Sciences (BK21 program) and Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; E-Mails: (G.M.N.); (P.M.); (J.H.P.); (V.P.S.)
| | - Vaidurya Pratap Sahi
- Division of Applied Life Sciences (BK21 program) and Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; E-Mails: (G.M.N.); (P.M.); (J.H.P.); (V.P.S.)
| | - Sang Yeol Lee
- Division of Applied Life Sciences (BK21 program) and Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; E-Mails: (G.M.N.); (P.M.); (J.H.P.); (V.P.S.)
| | - Chang Ho Kang
- Division of Applied Life Sciences (BK21 program) and Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; E-Mails: (G.M.N.); (P.M.); (J.H.P.); (V.P.S.)
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Xie Y, Mao Y, Lai D, Zhang W, Shen W. H(2) enhances arabidopsis salt tolerance by manipulating ZAT10/12-mediated antioxidant defence and controlling sodium exclusion. PLoS One 2012. [PMID: 23185443 PMCID: PMC3504229 DOI: 10.1371/journal.pone.0049800] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background The metabolism of hydrogen gas (H2) in bacteria and algae has been extensively studied for the interesting of developing H2-based fuel. Recently, H2 is recognized as a therapeutic antioxidant and activates several signalling pathways in clinical trials. However, underlying physiological roles and mechanisms of H2 in plants as well as its signalling cascade remain unknown. Methodology/Principal Findings In this report, histochemical, molecular, immunological and genetic approaches were applied to characterize the participation of H2 in enhancing Arabidopsis salt tolerance. An increase of endogenous H2 release was observed 6 hr after exposure to 150 mM NaCl. Arabidopsis pretreated with 50% H2-saturated liquid medium, mimicking the induction of endogenous H2 release when subsequently exposed to NaCl, effectively decreased salinity-induced growth inhibition. Further results showed that H2 pretreatment modulated genes/proteins of zinc-finger transcription factor ZAT10/12 and related antioxidant defence enzymes, thus significantly counteracting the NaCl-induced reactive oxygen species (ROS) overproduction and lipid peroxidation. Additionally, H2 pretreatment maintained ion homeostasis by regulating the antiporters and H+ pump responsible for Na+ exclusion (in particular) and compartmentation. Genetic evidence suggested that SOS1 and cAPX1 might be the target genes of H2 signalling. Conclusions Overall, our findings indicate that H2 acts as a novel and cytoprotective regulator in coupling ZAT10/12-mediated antioxidant defence and maintenance of ion homeostasis in the improvement of Arabidopsis salt tolerance.
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Affiliation(s)
- Yanjie Xie
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- Carl Zeiss Far East, Nanjing Agricultural University, Nanjing, Jiangsu Province, China
| | - Yu Mao
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- Carl Zeiss Far East, Nanjing Agricultural University, Nanjing, Jiangsu Province, China
| | - Diwen Lai
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- Carl Zeiss Far East, Nanjing Agricultural University, Nanjing, Jiangsu Province, China
| | - Wei Zhang
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- Carl Zeiss Far East, Nanjing Agricultural University, Nanjing, Jiangsu Province, China
| | - Wenbiao Shen
- College of Life Sciences, Co. Laboratory of Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- Carl Zeiss Far East, Nanjing Agricultural University, Nanjing, Jiangsu Province, China
- * E-mail:
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Xu S, Wang L, Zhang B, Han B, Xie Y, Yang J, Zhong W, Chen H, Wang R, Wang N, Cui W, Shen W. RNAi knockdown of rice SE5 gene is sensitive to the herbicide methyl viologen by the down-regulation of antioxidant defense. PLANT MOLECULAR BIOLOGY 2012; 80:219-35. [PMID: 22829206 DOI: 10.1007/s11103-012-9945-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2011] [Accepted: 07/15/2012] [Indexed: 05/04/2023]
Abstract
Plant heme oxygenase (HO) catalyzes the oxygenation of heme to biliverdin, carbon monoxide (CO), and free iron (Fe(2+))-and Arabidopsis and rice (Oryza sativa) HOs are involved in light signaling. Here, we identified that the rice PHOTOPERIOD SENSITIVITY 5 (SE5) gene, which encoded a putative HO with high similarity to HO-1 from Arabidopsis (HY1), exhibited HO activity, and localized in the chloroplasts. Rice RNAi mutants silenced for SE5 were generated and displayed early flowering under long-day conditions, consistent with phenotypes of the null mutation in SE5 gene reported previously (se5 and s73). The herbicide methyl viologen (MV), which produces reactive oxygen species (ROS), was applied to determine whether SE5 regulates oxidative stress response. Compared with wild-type, SE5 RNAi transgenic plants aggravated seedling growth inhibition, chlorophyll loss and ROS overproduction, and decreased the transcripts of some representative antioxidative genes. By contrast, administration of exogenous CO partially rescued corresponding MV hypersensitivity in the SE5 RNAi plants. Alleviation of seed germination inhibition, chlorophyll loss and ROS overproduction, as well as the induction of antioxidant defense were further observed when SE5 or HY1 was overexpressed in transgenic Arabidopsis plants, indicating that SE5 may be useful for molecular breeding designed to improve plant tolerance to oxidative stress.
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Affiliation(s)
- Sheng Xu
- College of Life Sciences, Cooperative Demonstration Laboratory of Centrifuge Technique, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
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Cui W, Li L, Gao Z, Wu H, Xie Y, Shen W. Haem oxygenase-1 is involved in salicylic acid-induced alleviation of oxidative stress due to cadmium stress in Medicago sativa. JOURNAL OF EXPERIMENTAL BOTANY 2012; 63:5521-34. [PMID: 22915740 PMCID: PMC3444266 DOI: 10.1093/jxb/ers201] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
This work examines the involvement of haem oxygenase-1 (HO-1) in salicylic acid (SA)-induced alleviation of oxidative stress as a result of cadmium (Cd) stress in alfalfa (Medicago sativa L.) seedling roots. CdCl(2) exposure caused severe growth inhibition and Cd accumulation, which were potentiated by pre-treatment with zinc protoporphyrin (ZnPPIX), a potent HO-1 inhibitor. Pre-treatment of plants with the HO-1 inducer haemin or SA, both of which could induce MsHO1 gene expression, significantly reduced the inhibition of growth and Cd accumulation. The alleviation effects were also evidenced by a decreased content of thiobarbituric acid-reactive substances (TBARS). The antioxidant behaviour was confirmed by histochemical staining for the detection of lipid peroxidation and the loss of plasma membrane integrity. Furthermore, haemin and SA pre-treatment modulated the activities of ascorbate peroxidase (APX), superoxide dismutase (SOD), and guaiacol peroxidase (POD), or their corresponding transcripts. Significant enhancement of the ratios of reduced/oxidized homoglutathione (hGSH), ascorbic acid (ASA)/dehydroascorbate (DHA), and NAD(P)H/NAD(P)(+), and expression of their metabolism genes was observed, consistent with a decreased reactive oxygen species (ROS) distribution in the root tips. These effects are specific for HO-1, since ZnPPIX blocked the above actions, and the aggravated effects triggered by SA plus ZnPPIX were differentially reversed when carbon monoxide (CO) or bilirubin (BR), two catalytic by-products of HO-1, was added. Together, the results suggest that HO-1 is involved in the SA-induced alleviation of Cd-triggered oxidative stress by re-establishing redox homeostasis.
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Affiliation(s)
- Weiti Cui
- These authors contributed equally to this work
| | - Le Li
- These authors contributed equally to this work
| | | | | | | | - Wenbiao Shen
- To whom correspondence should be addressed. E-mail:
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