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Journal articles on the topic '9-cis-epoxycarotenoid dioxygenase (NCED)'

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Published: 4 June 2025

Last updated: 1 August 2025

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1

Fei, Riwen, Shixin Guan, Siyang Duan, Jiayuan Ge, Tianyi Sun, and Xiaomei Sun. "Elucidating Biological Functions of 9-cis-Epoxycarotenoid Dioxygenase Genes Involved in Seed Dormancy in Paeonia lactiflora." Plants 12, no. 4 (2023): 710. http://dx.doi.org/10.3390/plants12040710.

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Abscisic acid (ABA) is a major phytohormone affecting seed dormancy and germination in plants. ABA is synthesized mainly through the C40 carotenoid pathway. In the ABA biosynthesis pathway, 9-cis-epoxycarotenoid dioxygenase (NCED) is a key rate-limiting enzyme that regulates the accumulation and content of ABA. However, the role of the NCED gene in perennial plants with complex seed dormancy remains largely unknown. Here, we cloned two differentially expressed paralogs of herbaceous peony NCED genes, named PlNCED1 and PlNCED2, and further identified their involvement in seed dormancy from pere

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2

Zhou, Yuanyuan, Chunling Zhao, Taifeng Du, et al. "Overexpression of 9-cis-Epoxycarotenoid Dioxygenase Gene, IbNCED1, Negatively Regulates Plant Height in Transgenic Sweet Potato." International Journal of Molecular Sciences 24, no. 13 (2023): 10421. http://dx.doi.org/10.3390/ijms241310421.

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Plant height is one of the key agronomic traits for improving the yield of sweet potato. Phytohormones, especially gibberellins (GAs), are crucial to regulate plant height. The enzyme 9-cis-epoxycarotenoid dioxygenase (NCED) is the key enzyme for abscisic acid (ABA) biosynthesis signalling in higher plants. However, its role in regulating plant height has not been reported to date. Here, we cloned a new NCED gene, IbNCED1, from the sweet potato cultivar Jishu26. This gene encoded the 587-amino acid polypeptide containing an NCED superfamily domain. The expression level of IbNCED1 was highest i

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Cheng, Denghu, Zhongyuan Wang, Shiyu Li, Juan Zhao, Chunhua Wei, and Yong Zhang. "Genome-Wide Identification of CCD Gene Family in Six Cucurbitaceae Species and Its Expression Profiles in Melon." Genes 13, no. 2 (2022): 262. http://dx.doi.org/10.3390/genes13020262.

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The carotenoid cleavage dioxygenase (CCD) gene family in plants comprises two subfamilies: CCD and 9-cis-epoxycarotenoid dioxygenase (NCED). Genes in the NCED subfamily are mainly involved in plant responses to abiotic stresses such as salt, low temperature, and drought. Members of the NCED subfamily are the most important rate-limiting enzymes in the biosynthesis of abscisic acid (ABA). In the present study, genome-wide analysis was performed to identify CCD gene members in six Cucurbitaceae species, including watermelon (Citrullus lanatus), melon (Cucumis melo), cucumber (C.sativus), pumpkin

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4

Fang, Pingping, Xifeng Li, Haoxin Mu, et al. "Genome-Wide Characterization of 9-Cis-Epoxycarotenoid Dioxygenase Genes in Luffa Identifies LcNCED2 as Being Associated with ABA Levels During Seed Germination." Horticulturae 11, no. 2 (2025): 115. https://doi.org/10.3390/horticulturae11020115.

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Luffa is a genus of tropical and subtropical vines in the Cucurbitaceae family, recognized as an important cultivated commercial vegetable. However, the seeds of the luffa species are considered hard-seeded, and the processes governing seed germination remain understudied. The 9-cis-epoxycarotenoid dioxygenase (NCED) genes, which are critical for seed germination, have not been well characterized in Luffa. In this study, we identified four LaNCED genes in Luffa acutangula and four LcNCED genes in Luffa cylindrica, distributed across four chromosomes in each species. Phylogenetic analysis class

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5

Zhang, Mei, Bing Yuan, and Ping Leng. "Cloning of 9-cis-epoxycarotenoid dioxygenase (NCED) gene and the role of ABA on fruit ripening." Plant Signaling & Behavior 4, no. 5 (2009): 460–63. http://dx.doi.org/10.4161/psb.4.5.8542.

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6

Wang, Wenlin, Mo Zhou, Shaohui Xu, et al. "Peanut 9-Cis-Epoxycarotenoid Dioxygenase Enhances Salt and Drought Stress Tolerance by Regulating ROS Homeostasis." Plants 14, no. 12 (2025): 1741. https://doi.org/10.3390/plants14121741.

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Peanut (Arachis hypogaea L.), a vital oilseed and cash crop, faces yield limitations due to abiotic stresses. The 9-cis-epoxycarotenoid dioxygenase (NCED) enzyme, a key enzyme in abscisic acid (ABA) biosynthesis regulating plant development and stress responses, remains mechanistically uncharacterized in peanut abiotic stress tolerance. In this study, we isolated a novel gene, AhNCED4, from the salt-tolerant mutant M24. The expression of AhNCED4 was strongly induced by NaCl, PEG6000, and ABA in peanut huayu20. Overexpression of AhNCED4 enhanced salt and drought tolerance in Arabidopsis. Transg

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7

Chen, Ao, Jingyan Li, Heping Wang, and Puyan Zhao. "Identification and Expression Profile of NCED Genes in Arachis hypogaea L. during Drought Stress." International Journal of Molecular Sciences 25, no. 10 (2024): 5564. http://dx.doi.org/10.3390/ijms25105564.

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Peanut (Arachis hypogaea L.) is an important crop that provides essential proteins and oils for human and animal consumption. 9-cis-epoxycarotenoid dioxygenase (NCED) have been found can play a vital role in abscisic acid (ABA) biosynthesis and may be a response to drought stress. Until now, in Arachis hypogaea, no information about the NCED gene family has been reported and the importance of NCED-related drought tolerance is unclear. In this study, eight NCED genes in Arachis hypogaea, referred to as AhNCEDs, are distributed across eight chromosomes, with duplication events in AhNCED1 and AhN

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8

Liu, Jinming, Xing Yuan, Shaowen Quan, et al. "Genome-Wide Identification and Expression Analysis of NCED Gene Family in Pear and Its Response to Exogenous Gibberellin and Paclobutrazol." International Journal of Molecular Sciences 24, no. 8 (2023): 7566. http://dx.doi.org/10.3390/ijms24087566.

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The 9-cis-epoxycarotenoid dioxygenase (NCED) is a key enzyme for the process of ABA synthesis that plays key roles in a variety of biological processes. In the current investigation, genome-wide identification and comprehensive analysis of the NCED gene family in ‘Kuerle Xiangli’ (Pyrus sinkiangensis Yu) were conducted using the pear genomic sequence. In total, nineteen members of PbNCED genes were identified from the whole genome of pear, which are not evenly distributed over the scaffolds, and most of which were focussed in the chloroplasts. Sequence analysis of promoters showed many cis-reg

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9

Xu, Jiaqi, Xudong Liu, Richard Napier, Liyao Dong, and Jun Li. "Mode of Action of a Novel Synthetic Auxin Herbicide Halauxifen-Methyl." Agronomy 12, no. 7 (2022): 1659. http://dx.doi.org/10.3390/agronomy12071659.

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Halauxifen-methyl is a new auxin herbicide developed by Corteva Agriscience (Wilmington, DE, USA). It has been suggested that ABF5 may be the target of halauxifen-methyl, as AFB5 mutants of Arabidopsis thaliana are resistant to halauxifen-methyl, which preferentially binds to AFB5. However, the mode of action of halauxifen-methyl has not yet been reported. Therefore, the aim of the present study was to reveal the mode of action of halauxifen-methyl by exploring its influence on indole-3-acetic acid (IAA) homeostasis and the biosynthesis of ethylene and Abscisic Acid (ABA) in Galium aparine. Th

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10

Gan, Zengyu, Nan Shan, Liuying Fei, Chunpeng Wan, and Jinyin Chen. "Isolation of the 9-cis-epoxycarotenoid dioxygenase (NCED) gene from kiwifruit and its effects on postharvest softening and ripening." Scientia Horticulturae 261 (February 2020): 109020. http://dx.doi.org/10.1016/j.scienta.2019.109020.

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11

Efremov, G. I., A. A. Ashikhmin, A. V. Shchennikova, and E. Z. Kochieva. "Comparative Characteristics of Genes 9-Cis-Epoxycarotinoid-Dioxygenase SlNCED1 and SlNCED2 during the Development." Физиология растений 70, no. 2 (2023): 171–80. http://dx.doi.org/10.31857/s0015330322600504.

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Tomato Solanum lycopersicum L. is an important agricultural crop and, at the same time, a model for studying the ontogeny of the succulent fruit. The decisive role in the ripening of the fruit is played by abscisic acid, which is formed as a result of the oxidative cleavage of epoxycarotenoids 9-cis-epoxycarotenoid dioxygenases NCED. Gene-expression profiles of SlNCED1 and SlNCED2 and the content of carotenoids in fruits at different stages of development were determined in three varieties of tomato with different color of ripe fruit. It was shown that transcripts of both genes are present in

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12

Xu, Hongle, Xiaofan Ye, Shaoqi Liang, et al. "Nontarget Site-Based Resistance to Fenoxaprop-P-ethyl and Candidate Genes Involved in Alopecurus japonicus." Agronomy 13, no. 6 (2023): 1587. http://dx.doi.org/10.3390/agronomy13061587.

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Nontarget-site resistance (NTSR) is a complex multigenic trait that is associated with the potential mechanisms of herbicide resistance which pose a serious threat to global crop protection. However, the NTSR mechanisms of Alopecurus japonicus, a malignant weed infesting wheat fields, are less characterized. In this study, we used RNA-sequencing transcriptome and enzyme activity detection to investigate the NTSR mechanisms and candidate genes involved in fenoxaprop-P-ethyl (FE) in a previously identified resistant population compared to the sensitive population of A. japonicus. Transcriptome a

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13

Cheng, Chunzhen, Rui Yang, Lu Yin, et al. "Characterization of Carotenoid Cleavage Oxygenase Genes in Cerasus humilis and Functional Analysis of ChCCD1." Plants 12, no. 11 (2023): 2114. http://dx.doi.org/10.3390/plants12112114.

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Carotenoid cleavage oxygenases (CCOs) are key enzymes that function in degrading carotenoids into a variety of apocarotenoids and some other compounds. In this study, we performed genome-wide identification and characterization analysis of CCO genes in Cerasus humilis. Totally, nine CCO genes could be classified into six subfamilies, including carotenoid cleavage dioxygenase 1 (CCD1), CCD4, CCD7, CCD8, CCD-like and nine-cis-epoxycarotenoid dioxygenase (NCED), were identified. Results of gene expression analysis showed that ChCCOs exhibited diverse expression patterns in different organs and in

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14

Song, Qiling, Ke Ji, Wenjuan Mo, et al. "Dynamics of sugars, endogenous hormones, and oil content during the development of Camellia oleifera fruit." Botany 99, no. 8 (2021): 515–29. http://dx.doi.org/10.1139/cjb-2021-0019.

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Camellia oleifera Abel (‘Huashuo’) is an important woody oil species with high economic value. Low yield is the main factor restricting the rapid development of the tea-oil industry. The dynamics of sugars, oil, endogenous hormones, and the genes involved in these pathways, as well as the correlation with oil synthesis-related factors in Huashuo, were investigated. The results showed that oil content was positively correlated with sucrose and starch content but was negatively correlated with reducing sugar content. Pyruvate kinase (PK) and fructose-1,6-bisphosphate aldolase (FBA) of the glycol

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15

Espasandin, Fabiana D., Santiago J. Maiale, Pablo Calzadilla, Oscar A. Ruiz, and Pedro A. Sansberro. "Transcriptional regulation of 9-cis-epoxycarotenoid dioxygenase (NCED) gene by putrescine accumulation positively modulates ABA synthesis and drought tolerance in Lotus tenuis plants." Plant Physiology and Biochemistry 76 (March 2014): 29–35. http://dx.doi.org/10.1016/j.plaphy.2013.12.018.

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16

Ren, Li-Ying, Heng Zhao, Xiao-Ling Liu, et al. "Transcriptome Reveals Roles of Lignin-Modifying Enzymes and Abscisic Acid in the Symbiosis of Mycena and Gastrodia elata." International Journal of Molecular Sciences 22, no. 12 (2021): 6557. http://dx.doi.org/10.3390/ijms22126557.

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Gastrodia elata is a well-known medicinal and heterotrophic orchid. Its germination, limited by the impermeability of seed coat lignin and inhibition by abscisic acid (ABA), is triggered by symbiosis with fungi such as Mycena spp. However, the molecular mechanisms of lignin degradation by Mycena and ABA biosynthesis and signaling in G. elata remain unclear. In order to gain insights into these two processes, this study analyzed the transcriptomes of these organisms during their dynamic symbiosis. Among the 25 lignin-modifying enzyme genes in Mycena, two ligninolytic class II peroxidases and tw

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17

Zhou, Huang, Yingfeng Wang, Yijin Zhang, et al. "Comparative Analysis of Heat-Tolerant and Heat-Susceptible Rice Highlights the Role of OsNCED1 Gene in Heat Stress Tolerance." Plants 11, no. 8 (2022): 1062. http://dx.doi.org/10.3390/plants11081062.

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To elucidate the mechanism underlying the response of rice to heat stress (HS), the transcriptome profile of panicles was comparatively analyzed between the heat-tolerant line 252 (HTL252) and heat-susceptible line 082 (HSL082), two rice recombinant inbred lines (RILs). Our differentially expressed gene (DEG) analysis revealed that the DEGs are mainly associated with protein binding, catalysis, stress response, and cellular process. The MapMan analysis demonstrated that the heat-responsive (HR) genes for heat shock proteins, transcription factors, development, and phytohormones are specificall

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18

Feng, Zhonghui, Yang Xu, Zhiming Xie, et al. "Overexpression of Abscisic Acid Biosynthesis Gene OsNCED3 Enhances Survival Rate and Tolerance to Alkaline Stress in Rice Seedlings." Plants 13, no. 12 (2024): 1713. http://dx.doi.org/10.3390/plants13121713.

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Alkaline stress with high pH levels could significantly influence plant growth and survival. The enzyme 9-cis-epoxycarotenoid dioxygenase (NCED) serves as a critical bottleneck in the biosynthesis of abscisic acid (ABA), making it essential for regulating stress tolerance. Here, we show that OsNCED3-overexpressing rice lines have increased ABA content by up to 50.90% and improved transcription levels of numerous genes involved in stress responses that significantly enhance seedling survival rates. Overexpression of OsNCED3 increased the dry weight contents of the total chlorophyll, proline, so

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19

Zhang, Mei, Ping Leng, Guanglian Zhang, and Xiangxin Li. "Cloning and functional analysis of 9-cis-epoxycarotenoid dioxygenase (NCED) genes encoding a key enzyme during abscisic acid biosynthesis from peach and grape fruits." Journal of Plant Physiology 166, no. 12 (2009): 1241–52. http://dx.doi.org/10.1016/j.jplph.2009.01.013.

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20

Muzafar, Mateen, Tasmia Gull, Rabia Munir, et al. "New insights for bioinformatics, plant genes, biotic and abiotic stresses, food technology and agricultural applications." Haya: The Saudi Journal of Life Sciences 8, no. 09 (2023): 169–74. http://dx.doi.org/10.36348/sjls.2023.v08i09.004.

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genomics are producing ever-larger reservoirs of rich biodata. The plant needs a significant alteration in metabolism to endure unfavorable environmental stress circumstances, such as drought and environmental stresses. This alteration comprises considerable transcriptome reprogramming upon the onset of the stress and transcription and gene expression regulation. Crops including cotton, maize, and potatoes have benefited from the introduction of many genes obtained from Bacillus thuringiensis. The genes increase the plants' resistance to insect assaults, which lowers or even eliminates the nee

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Leng, Ping, GuangLian Zhang, XiangXin Li, LiangHe Wang, and ZhongMing Zheng. "Cloning of 9-cis-epoxycarotenoid dioxygenase (NCED) gene encoding a key enzyme during abscisic acid (ABA) biosynthesis and ABA-regulated ethylene production in detached young persimmon calyx." Science Bulletin 54, no. 16 (2009): 2830–38. http://dx.doi.org/10.1007/s11434-009-0486-7.

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22

Jiao, Jingzhi, Fan Cheng, Xuekun Zhang, et al. "Preparation of Graphene Oxide and Its Mechanism in Promoting Tomato Roots Growth." Journal of Nanoscience and Nanotechnology 16, no. 4 (2016): 4216–23. http://dx.doi.org/10.1166/jnn.2016.12601.

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Graphene oxide is a new kind of nanomaterial. The graphene oxide was prepared and its quality detected by atomic force microscopy (AFM) and transmission electron microscopy (TEM), for better understanding of effects of the nanomaterial on plants. Wild type (WT) tomato (Solanum lycopersicum) germplasm ‘New Yorker’ and corresponding transgenic plants (Prd29A::LeNCED1) were treated with prepared graphene oxide. 9-cis-epoxycarotenoid dioxygenase (NCED) is a key gene for ABA biosynthesis and overexpression of the NCED resulted in ABA accumulation and higher drought tolerance. Seminal root length in

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23

Liu, Bowen, Si Long, Kening Liu, et al. "Paclobutrazol Ameliorates Low-Light-Induced Damage by Improving Photosynthesis, Antioxidant Defense System, and Regulating Hormone Levels in Tall Fescue." International Journal of Molecular Sciences 23, no. 17 (2022): 9966. http://dx.doi.org/10.3390/ijms23179966.

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Paclobutrazol (PBZ) is a plant-growth regulator (PGR) in the triazole family that enhances plant tolerance to environmental stresses. Low-light (LL) intensity is a critical factor adversely affecting the growth of tall fescue (Festuca arundinacea Schreb.). Therefore, in this study, tall fescue seedlings were treated with PBZ under control and LL conditions to investigate the effects of PBZ on enhancing LL stress resistance by regulating the growth, photosynthesis, oxidative defense, and hormone levels. Our results reveal that LL stress reduced the total biomass, chlorophyll (Chl) content, phot

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Zhang, Yu, Huangying Shu, Muhammad Ali Mumtaz, et al. "Transcriptome and Metabolome Analysis of Color Changes during Fruit Development of Pepper (Capsicum baccatum)." International Journal of Molecular Sciences 23, no. 20 (2022): 12524. http://dx.doi.org/10.3390/ijms232012524.

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Fruit color is one of the most critical characteristics of pepper. In this study, pepper (Capsicum baccatum L.) fruits with four trans-coloring periods were used as experimental materials to explore the color conversion mechanism of pepper fruit. By transcriptome and metabolome analysis, we identified a total of 307 flavonoid metabolites, 68 carotenoid metabolites, 29 DEGs associated with flavonoid biosynthesis, and 30 DEGs related to carotenoid biosynthesis. Through WGCNA (weighted gene co-expression network analysis) analysis, positively correlated modules with flavonoids and carotenoids wer

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Álvarez, Fernanda, Mario Moya, Claudia Rivera-Mora, et al. "Abscisic Acid Synthesis and Signaling during the Ripening of Raspberry (Rubus idaeus ‘Heritage’) Fruit." Plants 12, no. 9 (2023): 1882. http://dx.doi.org/10.3390/plants12091882.

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The raspberry (Rubus idaeus L.) fruit is characterized by its richness in functional molecules and high nutritional value, but the high rate of fruit softening limits its quality during postharvest. Raspberry drupelets have a particular ripening regulation, depending partially on the effect of ethylene produced from the receptacle. However, the possible role of abscisic acid (ABA) in the modulation of quality parameters during the ripening of raspberry is unclear. This study characterized the fruit quality-associated parameters and hormonal contents during fruit development in two seasons. The

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Leng, Ping, GuangLian Zhang, XiangXin Li, LiangHe Wang, and ZhongMing Zheng. "Erratum to: “Cloning of 9-cis-epoxycarotenoid dioxygenase (NCED) gene encoding a key enzyme during abscisic acid (ABA) biosynthesis and ABA-regulated ethylene production in detached young persimmon calyx”." Chinese Science Bulletin 54, no. 21 (2009): 3990. http://dx.doi.org/10.1007/s11434-009-0685-2.

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Soar, Christopher J., Jim Speirs, Suzanne M. Maffei, and Brian R. Loveys. "Gradients in stomatal conductance, xylem sap ABA and bulk leaf ABA along canes of Vitis vinifera cv. Shiraz: molecular and physiological studies investigating their source." Functional Plant Biology 31, no. 6 (2004): 659. http://dx.doi.org/10.1071/fp03238.

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Gradients were observed in xylem sap ABA and in stomatal conductance along canes of Vitis vinifera L. cv. Shiraz. To investigate the source of the ABA responsible for these gradients a series of girdling and decapitation experiments were carried out. Leaf stomatal conductance and bulk ABA of leaves and apices were measured in control plants and in response to apex removal or girdling. Gradients in leaf ABA were observed over the first eight expanded leaves of field-grown Shiraz, with higher concentrations of ABA observed towards the apex. Gradients in stomatal conductance that correlated negat

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Woźniak, Agnieszka, Jacek Kęsy, Paulina Glazińska, et al. "The Influence of Lead and Acyrthosiphon pisum (Harris) on Generation of Pisum sativum Defense Signaling Molecules and Expression of Genes Involved in Their Biosynthesis." International Journal of Molecular Sciences 24, no. 13 (2023): 10671. http://dx.doi.org/10.3390/ijms241310671.

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The main aim of this study was to understand the regulation of the biosynthesis of phytohormones as signaling molecules in the defense mechanisms of pea seedlings during the application of abiotic and biotic stress factors. It was important to identify this regulation at the molecular level in Pisum sativum L. seedlings under the influence of various concentrations of lead—i.e., a low concentration increasing plant metabolism, causing a hormetic effect, and a high dose causing a sublethal effect—and during feeding of a phytophagous insect with a piercing-sucking mouthpart—i.e., pea aphid (Acyr

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Khan, Taimoor, Saqib Bilal, Sajjad Asaf, et al. "Silicon-Induced Tolerance against Arsenic Toxicity by Activating Physiological, Anatomical and Biochemical Regulation in Phoenix dactylifera (Date Palm)." Plants 11, no. 17 (2022): 2263. http://dx.doi.org/10.3390/plants11172263.

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Arsenic is a toxic metal abundantly present in agricultural, industrial, and pesticide effluents. To overcome arsenic toxicity and ensure safety for plant growth, silicon (Si) can play a significant role in its mitigation. Here, we aim to investigate the influence of silicon on date palm under arsenic toxicity by screening antioxidants accumulation, hormonal modulation, and the expression profile of abiotic stress-related genes. The results showed that arsenic exposure (As: 1.0 mM) significantly retarded growth attributes (shoot length, root length, fresh weight), reduced photosynthetic pigmen

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Ling, Li-Zhen, and Shu-Dong Zhang. "Comparative proteomic analysis between mature and germinating seeds in Paris polyphylla var. yunnanensis." PeerJ 10 (May 11, 2022): e13304. http://dx.doi.org/10.7717/peerj.13304.

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The long dormancy period of Paris polyphylla var. yunnanensis seeds affects the supply of this scarce plant, which is used as an important traditional Chinese medicine. Mature seeds with a globular embryo and germinating seeds with developed embryo were used to explore the mechanisms of seed germination in this species. The protein profiles between the mature and germinating seeds were compared using the isobaric tags for relative and absolute quantification (iTRAQ) approach. Of the 4,488 proteins identified, a total of 1,305 differentially expressed proteins (DEPs) were detected. A Kyoto Ency

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Li, Dandan, Haibin Shen, Lishu Yu, et al. "Transcriptomic and Metabolomic Insights into Plant Hormone Modulation and Secondary Metabolite Accumulation in Basil Under Far-Red and Ultraviolet-A Light." International Journal of Molecular Sciences 26, no. 8 (2025): 3758. https://doi.org/10.3390/ijms26083758.

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In this study, red–blue light (7R3B) was used as the control (CK), while far-red (FR) and ultraviolet-A (UVA) light were supplemented to evaluate their effects on basil growth. The results showed that the FR treatment promoted plant height, stem diameter, and biomass, but reduced chlorophyll and carotenoid content, while the UVA treatment increased stem diameter and chlorophyll b content. Meanwhile, transcriptomic and metabolomic analyses were employed to examine changes in gene expression and metabolite accumulation in basil. The FR treatment reduced the levels of differentially accumulated m

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Brunetti, Cecilia, Antonella Gori, Giovanni Marino, et al. "Dynamic changes in ABA content in water-stressed Populus nigra: effects on carbon fixation and soluble carbohydrates." Annals of Botany 124, no. 4 (2019): 627–43. http://dx.doi.org/10.1093/aob/mcz005.

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AbstractBackground and AimsHydraulic and chemical signals operate in tandem to regulate systemic plant responses to drought. Transport of abscisic acid (ABA) through the xylem and phloem from the root to shoot has been suggested to serve as the main signal of water deficit. There is evidence that ABA and its ABA-glycosyl-ester (ABA-GE) are also formed in leaves and stems through the chloroplastic 2-C-methylerythritol-5-phosphate (MEP) pathway. This study aimed to evaluate how hormonal and hydraulic signals contribute to optimize stomatal (gs), mesophyll (gm) and leaf hydraulic (Kleaf) conducta

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Jež-Krebelj, Anastazija, Maja Rupnik-Cigoj, Marija Stele, Marko Chersicola, Maruša Pompe-Novak, and Paolo Sivilotti. "The Physiological Impact of GFLV Virus Infection on Grapevine Water Status: First Observations." Plants 11, no. 2 (2022): 161. http://dx.doi.org/10.3390/plants11020161.

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In a vineyard, grapevines are simultaneously exposed to combinations of several abiotic (drought, extreme temperatures, salinity) and biotic stresses (phytoplasmas, viruses, bacteria). With climate change, the incidences of drought in vine growing regions are increased and the host range of pathogens with increased chances of virulent strain development has expanded. Therefore, we studied the impact of the combination of abiotic (drought) and biotic (Grapevine fanleaf virus (GFLV) infection) stress on physiological and molecular responses on the grapevine of cv. Schioppettino by studying the i

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Omari Alzahrani, Fatima. "A Comprehensive Analysis of the 9-Cis Epoxy Carotenoid Dioxygenase Gene Family and Their Responses to Salt Stress in Hordeum vulgare L." Plants 13, no. 23 (2024): 3327. http://dx.doi.org/10.3390/plants13233327.

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Barley (Hordeum vulgare L.) is among the earliest crops to be cultivated and is also considered a crucial staple crop. Nevertheless, the negative effects of abiotic stress on both the quality and productivity of barley are significant. Nine-cis-epoxycarotenoid dioxygenases (NCEDs) are rate-limiting enzymes in plants that cleave carotenoids and produce abscisic acid (ABA). The poor utilization of barley NCEDs in stress-resistant genetic breeding is due to the lack of appropriate information about their potential function in abiotic stress. The current study revealed five NCED genes in the barle

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Riahi, Leila, Nejia Zoghlami, Alexis Dereeper, Valérie Laucou, Ahmed Mliki, and Patrice This. "Molecular characterization and evolutionary pattern of the 9- cis -epoxycarotenoid dioxygenase NCED1 gene in grapevine." Molecular Breeding 32, no. 2 (2013): 253–66. http://dx.doi.org/10.1007/s11032-013-9866-4.

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Wang, Li, Guangxi Ren, Mingyang Chen, Jing Chen, and Chunsheng Liu. "Cloning and molecular evolution of 9-cis-epoxycarotenoid dioxygenase gene (NCED3) in six species of Glycyrrhiza L." Journal of Traditional Chinese Medical Sciences 4, no. 4 (2017): 357–65. http://dx.doi.org/10.1016/j.jtcms.2017.12.010.

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Zhu, Ziguo, Guirong Li, Chaohui Yan, et al. "DRL1, Encoding A NAC Transcription Factor, Is Involved in Leaf Senescence in Grapevine." International Journal of Molecular Sciences 20, no. 11 (2019): 2678. http://dx.doi.org/10.3390/ijms20112678.

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The NAC (for NAM, ATAF1,2, and CUC2) proteins family are plant-specific transcription factors, which play important roles in leaf development and response to environmental stresses. In this study, an NAC gene, DRL1, isolated from grapevine Vitis vinifera L. “Yatomi Rose”, was shown to be involved in leaf senescence. The quantity of DRL1 transcripts decreased with advancing leaf senescence in grapevine. Overexpressing the DRL1 gene in tobacco plants significantly delayed leaf senescence with respect to chlorophyll concentration, potential quantum efficiency of photosystem II (Fv/Fm), and ion le

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Changan, S. S., K. Ali, V. Kumar, N. K. Garg, and A. Tyagi. "Abscisic acid biosynthesis under water stress: anomalous behavior of the 9-cis-epoxycarotenoid dioxygenase1 (NCED1) gene in rice." Biologia Plantarum 62, no. 4 (2018): 663–70. http://dx.doi.org/10.1007/s10535-018-0807-2.

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Ding, Fei, Xizhi Wang, Ziye Li, and Meiling Wang. "Jasmonate Positively Regulates Cold Tolerance by Promoting ABA Biosynthesis in Tomato." Plants 12, no. 1 (2022): 60. http://dx.doi.org/10.3390/plants12010060.

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As a cold-sensitive species, tomato is frequently challenged by cold stress during vegetative and reproductive growth. Understanding how tomato responds to cold stress is of critical importance for sustainable tomato production. In this work, we demonstrate that jasmonate (JA) plays a crucial role in tomato response to cold stress by promoting abscisic acid (ABA) biosynthesis. It was observed that both JA and ABA levels were substantially increased under cold conditions, whereas the suppression of JA biosynthesis abated ABA accumulation. The ABA biosynthesis gene 9-CIS-EPOXYCAROTENOID DIOXYGEN

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Zhu, Feng, Tao Luo, Chaoyang Liu, et al. "A NAC transcription factor and its interaction protein hinder abscisic acid biosynthesis by synergistically repressing NCED5 in Citrus reticulata." Journal of Experimental Botany 71, no. 12 (2020): 3613–25. http://dx.doi.org/10.1093/jxb/eraa118.

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Abstract Although abscisic acid (ABA) is a vital regulator of fruit ripening and several transcription factors have been reported to regulate ABA biosynthesis, reports of the effect of ABA on citrus ripening and the regulation of its biosynthesis by a multiple-transcription-factor complex are scarce. In the present study, a systematic metabolic, cytological, and transcriptome analysis of an ABA-deficient mutant (MT) of Citrus reticulata cv. Suavissima confirmed the positive effect of ABA on the citrus ripening process. The analysis of transcriptome profiles indicated that CrNAC036 played an im

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Wei, Hui, Ali Movahedi, Guoyuan Liu, et al. "Comprehensive Analysis of Carotenoid Cleavage Dioxygenases Gene Family and Its Expression in Response to Abiotic Stress in Poplar." International Journal of Molecular Sciences 23, no. 3 (2022): 1418. http://dx.doi.org/10.3390/ijms23031418.

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Carotenoid cleavage dioxygenases (CCDs) catalyzes the cleavage of various carotenoids into smaller apocarotenoids which are essential for plant growth and development and response to abiotic stresses. CCD family is divided into two subfamilies: 9-cis epoxycarotenoid dioxygenases (NCED) family and CCD family. A better knowledge of carotenoid biosynthesis and degradation could be useful for regulating carotenoid contents. Here, 23 CCD genes were identified from the Populus trichocarpa genome, and their characterizations and expression profiling were validated. The PtCCD members were divided into

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Wang, Lu, Qingzhu Hua, Yuewen Ma, Guibing Hu, and Yonghua Qin. "Comparative transcriptome analyses of a late-maturing mandarin mutant and its original cultivar reveals gene expression profiling associated with citrus fruit maturation." PeerJ 5 (May 18, 2017): e3343. http://dx.doi.org/10.7717/peerj.3343.

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Characteristics of late maturity in fruit are good agronomic traits for extending the harvest period and marketing time. However, underlying molecular basis of the late-maturing mechanism in fruit is largely unknown. In this study, RNA sequencing (RNA-Seq) technology was used to identify differentially expressed genes (DEGs) related to late-maturing characteristics from a late-maturing mutant ‘Huawan Wuzishatangju’ (HWWZSTJ) (Citrus reticulata Blanco) and its original line ‘Wuzishatangju’ (WZSTJ). A total of approximately 17.0 Gb and 84.2 M paried-end reads were obtained. DEGs were significant

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Jiang, Cui-Cui, Yan-Fang Zhang, Yan-Jin Lin, Yuan Chen, and Xin-Kun Lu. "Illumina® Sequencing Reveals Candidate Genes of Carotenoid Metabolism in Three Pummelo Cultivars (Citrus Maxima) with Different Pulp Color." International Journal of Molecular Sciences 20, no. 9 (2019): 2246. http://dx.doi.org/10.3390/ijms20092246.

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Pummelo (Citrus maxima) is one of important fruit trees, which belongs to Citrus species. The fruits of different pummelo cultivars have different colors and differ in the contents of carotenoid. Our results clearly showed that ‘Huangjinmiyou’ (HJMY) has the highest content of β-carotene, followed by ‘Hongroumiyou’ (HRMY) and ‘Guanximiyou’ (GXMY). Lycopene is dominantly accumulated in HRMY. However, the molecular mechanism underlying the carotenoid accumulation in pummelo flesh is not fully understood. In this study, we used the RNA-Seq technique to investigate the candidate genes of carotenoi

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Đurić, Marija, Angelina Subotić, Ljiljana Prokić, et al. "Morpho-Physiological and Molecular Evaluation of Drought and Recovery in Impatiens walleriana Grown Ex Vitro." Plants 9, no. 11 (2020): 1559. http://dx.doi.org/10.3390/plants9111559.

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This study was carried out to examine the drought effect on development, physiological, biochemical and molecular parameters in Impatiens walleriana grown ex vitro. Experiment design included three treatments: Control plants—grown under optimal watering (35%–37% of soil moisture content), drought-stressed plants—non-irrigated to reach 15% and 5% of soil moisture content and recovery plants—rehydrated for four days to reach optimal soil moisture content. Drought reduced fresh weight, total leaf area, as well as dry weight of I. walleriana shoots. Drought up-regulated expression of abscisic acid

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Shang, Xiaoman, Nanxin Xie, Yalin Li, et al. "Mediator Subunit RhMED15a Regulates Drought Tolerance in Rose." Horticulturae 10, no. 1 (2024): 84. http://dx.doi.org/10.3390/horticulturae10010084.

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Mediator is a multiprotein complex integral to the transcription machinery, mediated by RNA polymerase II. Some Mediator subunits have been found to have critical functions in plants’ responses to abiotic stresses. However, the role of plant Mediator subunits in drought responses remains largely enigmatic. Here, we identified a Mediator subunit, RhMED15a, in roses (Rosa hybrida). Its expression was greatly and swiftly induced by dehydration treatment in the root. The promoter sequence of RhMED15a contains cis-acting elements that respond to abscisic acid (ABA) and methyl jasmonate (MeJA). In a

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Clayton-Cuch, Daniel, Long Yu, Neil Shirley, David Bradley, Vincent Bulone, and Christine Böttcher. "Auxin Treatment Enhances Anthocyanin Production in the Non-Climacteric Sweet Cherry (Prunus avium L.)." International Journal of Molecular Sciences 22, no. 19 (2021): 10760. http://dx.doi.org/10.3390/ijms221910760.

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Abscisic acid (ABA) is a key signaling molecule promoting ripening of non-climacteric fruits such as sweet cherry (Prunus avium L.). To shed light on the role of other hormones on fruit development, ripening and anthocyanin production, the synthetic auxin 1-naphthaleneacetic acid (NAA) was applied to sweet cherry trees during the straw-color stage of fruit development. NAA-treated fruits exhibited higher concentrations of 1-aminocyclopropane-1-carboxylic acid (ACC) and ABA-glucose ester (ABA-GE), which are a precursor of ethylene and a primary storage form of ABA, respectively. Consistent with

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Ren, Qingming, Xiaoxi Zhen, Huiyu Gao, et al. "Integrated Metabolomic and Transcriptomic Analyses Reveal the Basis for Carotenoid Biosynthesis in Sweet Potato (Ipomoea batatas (L.) Lam.) Storage Roots." Metabolites 12, no. 11 (2022): 1010. http://dx.doi.org/10.3390/metabo12111010.

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Carotenoids are important compounds of quality and coloration within sweet potato storage roots, but the mechanisms that govern the accumulation of these carotenoids remain poorly understood. In this study, metabolomic and transcriptomic analyses of carotenoids were performed using young storage roots (S2) and old storage roots (S4) from white-fleshed (variety S19) and yellow-fleshed (variety BS) sweet potato types. S19 storage roots exhibited significantly lower total carotenoid levels relative to BS storage roots, and different numbers of carotenoid types were detected in the BS-S2, BS-S4, S

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Lee, Bok-Rye, Rashed Zaman, Van Hien La, Dong-Won Bae, and Tae-Hwan Kim. "Ethephon-Induced Ethylene Enhances Starch Degradation and Sucrose Transport with an Interactive Abscisic Acid-Mediated Manner in Mature Leaves of Oilseed rape (Brassica napus L.)." Plants 10, no. 8 (2021): 1670. http://dx.doi.org/10.3390/plants10081670.

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The leaf senescence process is characterized by the degradation of macromolecules in mature leaves and the remobilization of degradation products via phloem transport. The phytohormone ethylene mediates leaf senescence. This study aimed to investigate the ethephon-induced ethylene effects on starch degradation and sucrose remobilization through their interactive regulation with other hormones. Ethephon (2-chloroethylphosphonic acid) was used as an ethylene-generating agent. Endogenous hormonal status, carbohydrate compounds, starch degradation-related gene expression, sucrose transporter gene

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Lu, Guangyuan, Zhitao Tian, Peiyuan Chen, et al. "Comprehensive Morphological and Molecular Insights into Drought Tolerance Variation at Germination Stage in Brassica napus Accessions." Plants 13, no. 23 (2024): 3296. http://dx.doi.org/10.3390/plants13233296.

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Drought constitutes a noteworthy abiotic stressor, detrimentally impacting seed germination, plant development, and agricultural yield. In response to the threats imposed by climate change and water paucity, this study examined the morphological divergence and genetic governance of drought resilience traits at the germination stage in 196 rapeseed (Brassica napus L.) lines under both normal (0 MPa) and drought-induced stress (−0.8 MPa) scenarios. Our study showed that the composite drought tolerance D value is a reliable index for identifying drought resilience. Through a genome-wide associati

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Chen, Jing, Chunyang Bian, Chunlin Fu, et al. "Overexpression of LcMYB90 Transcription Factor Enhances Drought and Salt Tolerance in Blue Honeysuckle (Lonicera caerulea L.) and Tobacco (Nicotiana tabacum L.)." International Journal of Molecular Sciences 26, no. 7 (2025): 3124. https://doi.org/10.3390/ijms26073124.

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The MYB family plays a vital role in regulating plant stress resistance. However, the MYB protein in blue honeysuckle remains largely unexplored. In this study, the LcMYB90 gene from blue honeysuckle ‘Lanjingling’ was stably transformed into tobacco and transiently transformed into blue honeysuckle to characterize its function. Subcellular localization analysis revealed that the LcMYB90 protein is localized in the nucleus. Transgenic plants overexpressing LcMYB90 exhibited enhanced growth performance and higher survival rates under drought and salt stress conditions. These plants also showed i

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