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Machado KLDG, Faria DV, Duarte MBS, Silva LAS, de Oliveira TDR, Falcão TCA, Batista DS, Costa MGC, Santa-Catarina C, Silveira V, Romanel E, Otoni WC, Nogueira FTS. Plant age-dependent dynamics of annatto pigment (bixin) biosynthesis in Bixa orellana. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1390-1406. [PMID: 37975812 DOI: 10.1093/jxb/erad458] [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: 06/08/2023] [Accepted: 11/15/2023] [Indexed: 11/19/2023]
Abstract
Age affects the production of secondary metabolites, but how developmental cues regulate secondary metabolism remains poorly understood. The achiote tree (Bixa orellana L.) is a source of bixin, an apocarotenoid used in diverse industries worldwide. Understanding how age-dependent mechanisms control bixin biosynthesis is of great interest for plant biology and for economic reasons. Here we overexpressed miRNA156 (miR156) in B. orellana to comprehensively study the effects of the miR156-SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) module on age-dependent bixin biosynthesis in leaves. Overexpression of miR156 in annatto plants (miR156ox) reduced BoSPL transcript levels, impacted leaf ontogeny, lessened bixin production, and increased abscisic acid levels. Modulation of expression of BoCCD4-4 and BoCCD1, key genes in carotenoid biosynthesis, was associated with diverting the carbon flux from bixin to abscisic acid in miR156ox leaves. Proteomic analyses revealed an overall low accumulation of most secondary metabolite-related enzymes in miR156ox leaves, suggesting that miR156-targeted BoSPLs may be required to activate several secondary metabolic pathways. Our findings suggest that the conserved BomiR156-BoSPL module is deployed to regulate leaf dynamics of bixin biosynthesis, and may create novel opportunities to fine-tune bixin output in B. orellana breeding programs.
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Affiliation(s)
- Kleiton Lima de Godoy Machado
- Departamento de Biologia Vegetal/Laboratório de Cultura de Tecidos Vegetais/BIOAGRO, Campus Universitário, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Daniele Vidal Faria
- Departamento de Biologia Vegetal/Laboratório de Cultura de Tecidos Vegetais/BIOAGRO, Campus Universitário, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Marcos Bruno Silva Duarte
- Departamento de Biologia Vegetal/Laboratório de Cultura de Tecidos Vegetais/BIOAGRO, Campus Universitário, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Lázara Aline Simões Silva
- Departamento de Biologia Vegetal/Laboratório de Cultura de Tecidos Vegetais/BIOAGRO, Campus Universitário, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Tadeu Dos Reis de Oliveira
- Laboratório de Biologia Celular e Tecidual (LBCT), Centro de Biociências e Biotecnologia (CBB), Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Thais Castilho Arruda Falcão
- Laboratório de Genômica de Plantas e Bioenergia (PGEMBL), Departamento de Biotecnologia, Escola de Engenharia de Lorena (EEL), Universidade de São Paulo (USP), 12602-810, Lorena, SP, Brazil
| | - Diego Silva Batista
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus III, 58220-000, Bananeiras, PB, Brazil
| | | | - Claudete Santa-Catarina
- Laboratório de Biologia Celular e Tecidual (LBCT), Centro de Biociências e Biotecnologia (CBB), Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Vanildo Silveira
- Laboratório de Biotecnologia (LBT), CBB-UENF, Campos dos Goytacazes, RJ, Brazil
| | - Elisson Romanel
- Laboratório de Genômica de Plantas e Bioenergia (PGEMBL), Departamento de Biotecnologia, Escola de Engenharia de Lorena (EEL), Universidade de São Paulo (USP), 12602-810, Lorena, SP, Brazil
| | - Wagner Campos Otoni
- Departamento de Biologia Vegetal/Laboratório de Cultura de Tecidos Vegetais/BIOAGRO, Campus Universitário, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
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2
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Otoni WC, Machado KLG, de Freitas Correia LN, Matos EM, Sousa ES, Silva LAS, Martins SB, Koehler AD, Neto VBP, Botelho MN, Faria DV, Cruz ACF, Mantovani NC, Rodrigues SM, Moreira VS, Soares VLF, Barrera-Rojas CH, Rocha DI, Xavier A, Viccini LF, Batista DS, Nogueira FTS, Costa MGC. Advances in Tissue Culture and Transformation Studies in Non-model Species: Bixa orellana L. (Bixaceae). Methods Mol Biol 2024; 2827:223-241. [PMID: 38985274 DOI: 10.1007/978-1-0716-3954-2_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Over the years, our team has dedicated significant efforts to studying a unique natural dye-producing species, annatto (Bixa orellana L.). We have amassed knowledge and established foundations that support the applications of gene expression analysis in comprehending in vitro morphogenic regeneration processes, phase transition aspects, and bixin biosynthesis. Additionally, we have conducted gene editing associated with these processes. The advancements in this field are expected to enhance breeding practices and contribute to the overall improvement of this significant woody species. Here, we present a step-by-step protocol based on somatic embryogenesis and an optimized transformation protocol utilizing Agrobacterium tumefaciens.
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Affiliation(s)
- Wagner Campos Otoni
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil.
| | - Kleiton Lima Godoy Machado
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil.
| | - Ludmila Nayara de Freitas Correia
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Elyabe Monteiro Matos
- Laboratório de Genética e Biotecnologia, ICB, Departamento de Biologia, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Elisandra Silva Sousa
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Lázara Aline Simões Silva
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Sandy Bastos Martins
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Andréa Dias Koehler
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Vespasiano Borges Paiva Neto
- Universidade Federal do Vale do São Francisco (UNIVASF), Campus de Ciências Agrárias, Colegiado de Engenharia Agronômica, Petrolina, PE, Brazil
| | - Marcel Nascimento Botelho
- Universidade Federal Rural da Amazônia, Instituto Socioambiental e dos Recursos Hídricos, Belém, PA, Brazil
| | - Daniele Vidal Faria
- Laboratório de Cultura de Tecidos-LCT, Instituto de Biotecnologia Aplicada à Agropecuária-BIOAGRO, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Ana Claudia Ferreira Cruz
- LCT/BIOAGRO, Departamento de Engenharia Florestal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Nilton César Mantovani
- Departamento de Engenharia Florestal, Universidade Federal de Santa Maria, Campus Frederico Westphalen, Frederico Westphalen, RS, Brazil
| | | | - Viviane Santos Moreira
- Departamento de Ciências Biológicas, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil
| | - Virginia Lúcia Fontes Soares
- Departamento de Ciências Biológicas, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil
| | - Carlos Hernán Barrera-Rojas
- Departamento de Ciências Biológicas, Escola Superior de Agricultura Luiz de Queiroz-ESALQ, Piracicaba, SP, Brazil
| | - Diego Ismael Rocha
- Departamento de Agronomia, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Aloisio Xavier
- LCT/BIOAGRO, Departamento de Engenharia Florestal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Lyderson Facio Viccini
- Laboratório de Genética e Biotecnologia, ICB, Departamento de Biologia, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Diego Silva Batista
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, Bananeiras, PB, Brazil
| | | | - Marcio Gilberto Cardoso Costa
- Departamento de Ciências Biológicas, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil
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Moreira VS, de Souza VC, Soares VLF, Sousa AO, de Nascimento KTDS, de Santana MR, Rebouças TNH, Leitão CAE, Goliatt PVZC, Faria DV, Otoni WC, Costa MGC. Dynamics of annatto pigment synthesis and accumulation in seeds of Bixa orellana L. revealed by integrated chemical, anatomical, and RNA-Seq analyses. PROTOPLASMA 2023; 260:1207-1219. [PMID: 36787048 DOI: 10.1007/s00709-023-01842-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 02/09/2023] [Indexed: 06/07/2023]
Abstract
Bixin is a commercially valuable apocarotenoid pigment found in the seed aril of Bixa orellana. The dynamics and regulation of its biosynthesis and accumulation during seed development remain largely unknown. Here, we combined chemical, anatomical, and transcriptomic data to provide stage-specific resolution of the cellular and molecular events occurring during B. orellana seed development. Seeds at five developmental stages (S1-S5) were used for analysis of bixin content and seed anatomy, and three of them (S1, S3, and S4) were selected for Illumina HiSeq sequencing. Bixin accumulated in large quantities in seeds compared with other tissues analyzed, particularly during the S2 stage, peaking at the S4 stage, and then decreasing slightly in the S5 stage. Anatomical analysis revealed that bixin accumulated in the large central vacuole of specialized cells, which were scattered throughout the developing mesotesta at the S2 stage, but enlarged progressively at later stages, until they occupied most of the parenchyma in the aril. A total of 13 million reads were generated and assembled into 73,381 protein-encoding contigs, from which 312 were identified as containing 1-deoxy-D-xylulose-5-phosphate/2-C-methyl-D-erythritol-4-phosphate (DOXP/MEP), carotenoid, and bixin pathways genes. Differential transcriptome expression analysis of these genes revealed that 50 of them were sequentially and differentially expressed through the seed developmental stages analyzed, including seven carotenoid cleavage dioxygenases, eight aldehyde dehydrogenases, and 22 methyltransferases. Taken together, these results show that bixin synthesis and accumulation in seeds of B. orellana are a developmentally regulated process involving the coordinated expression of DOXP/MEP, carotenoid, and bixin biosynthesis genes.
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Affiliation(s)
- Viviane Santos Moreira
- Instituto Federal de Educação Ciência E Tecnologia da Bahia, Euclides da Cunha, Bahia, 48500-000, Brazil
| | - Vinicius Carius de Souza
- Departamento de Ciências da Computação, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, 36036-900, Brazil
| | - Virgínia Lúcia Fontes Soares
- Centro de Biotecnologia E Genética, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilheus, Bahia, 45662-900, Brazil
| | - Aurizangela Oliveira Sousa
- Centro Multidisciplinar Do Campus Luís Eduardo Magalhães, Universidade Federal Do Oeste da Bahia, Luis Eduardo Magalhães, Bahia, 47850‑000, Brazil
| | | | - Monique Reis de Santana
- Centro de Biotecnologia E Genética, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilheus, Bahia, 45662-900, Brazil
| | - Tiyoko Nair Hojo Rebouças
- Departamento de Fitotecnia E Zootecnia, Universidade Estadual Do Sudoeste da Bahia, Vitoria da Conquista, Bahia, 45083-900, Brazil
| | - Carlos André Espolador Leitão
- Departamento de Ciências Naturais, Universidade Estadual Do Sudoeste da Bahia, Vitoria da Conquista, Bahia, 45083-900, Brazil
| | | | - Daniele Vidal Faria
- Departamento de Biologia Vegetal/BIOAGRO, Universidade Federal de Viçosa, Vicosa, Minas Gerais, 36570-900, Brazil
| | - Wagner Campos Otoni
- Departamento de Biologia Vegetal/BIOAGRO, Universidade Federal de Viçosa, Vicosa, Minas Gerais, 36570-900, Brazil
| | - Marcio Gilberto Cardoso Costa
- Centro de Biotecnologia E Genética, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilheus, Bahia, 45662-900, Brazil.
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Us-Camas R, Aguilar-Espinosa M, Rodríguez-Campos J, Vallejo-Cardona AA, Carballo-Uicab VM, Serrano-Posada H, Rivera-Madrid R. Identifying Bixa orellana L. New Carotenoid Cleavage Dioxygenases 1 and 4 Potentially Involved in Bixin Biosynthesis. FRONTIERS IN PLANT SCIENCE 2022; 13:829089. [PMID: 35222486 PMCID: PMC8874276 DOI: 10.3389/fpls.2022.829089] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/19/2022] [Indexed: 06/07/2023]
Abstract
Carotene cleavage dioxygenases (CCDs) are a large family of Fe2+ dependent enzymes responsible for the production of a wide variety of apocarotenoids, such as bixin. Among the natural apocarotenoids, bixin is second in economic importance. It has a red-orange color and is produced mainly in the seeds of B. orellana. The biosynthesis of bixin aldehyde from the oxidative cleavage of lycopene at 5,6/5',6' bonds by a CCD is considered the first step of bixin biosynthesis. Eight BoCCD (BoCCD1-1, BoCCD1-3, BoCCD1-4, CCD4-1, BoCCD4-2, BoCCD4-3 and BoCCD4-4) genes potentially involved in the first step of B. orellana bixin biosynthesis have been identified. However, the cleavage activity upon lycopene to produce bixin aldehyde has only been demonstrated for BoCCD1-1 and BoCCD4-3. Using in vivo (Escherichia coli) and in vitro approaches, we determined that the other identified BoCCDs enzymes (BoCCD1-3, BoCCD1-4, BoCCD4-1, BoCCD4-2, and BoCCD4-4) also participate in the biosynthesis of bixin aldehyde from lycopene. The LC-ESI-QTOF-MS/MS analysis showed a peak corresponding to bixin aldehyde (m/z 349.1) in pACCRT-EIB E. coli cells that express the BoCCD1 and BoCCD4 proteins, which was confirmed by in vitro enzymatic assay. Interestingly, in the in vivo assay of BoCCD1-4, BoCCD4-1, BoCCD4-2, and BoCCD4-4, bixin aldehyde was oxidized to norbixin (m/z 380.2), the second product of the bixin biosynthesis pathway. In silico analysis also showed that BoCCD1 and BoCCD4 proteins encode functional dioxygenases that can use lycopene as substrate. The production of bixin aldehyde and norbixin was corroborated based on their ion fragmentation pattern, as well as by Fourier transform infrared (FTIR) spectroscopy. This work made it possible to clarify at the same time the first and second steps of the bixin biosynthesis pathway that had not been evaluated for a long time.
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Affiliation(s)
- Rosa Us-Camas
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
| | - Margarita Aguilar-Espinosa
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
| | - Jacobo Rodríguez-Campos
- Unidad de Servicios Analíticos y Metrológicos, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Alba Adriana Vallejo-Cardona
- Unidad de Biotecnología Médica y Farmacéutica, CONACYT, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Víctor Manuel Carballo-Uicab
- CONACYT, Laboratorio de Biología Sintética, Estructural y Molecular, Laboratorio de Agrobiotecnología, Colima, Mexico
| | - Hugo Serrano-Posada
- CONACYT, Laboratorio de Biología Sintética, Estructural y Molecular, Laboratorio de Agrobiotecnología, Colima, Mexico
| | - Renata Rivera-Madrid
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
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Cui M, Haider MS, Chai P, Guo J, Du P, Li H, Dong W, Huang B, Zheng Z, Shi L, Zhang X, Han S. Genome-Wide Identification and Expression Analysis of AP2/ERF Transcription Factor Related to Drought Stress in Cultivated Peanut ( Arachis hypogaea L.). Front Genet 2021; 12:750761. [PMID: 34721538 PMCID: PMC8548641 DOI: 10.3389/fgene.2021.750761] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/17/2021] [Indexed: 11/13/2022] Open
Abstract
APETALA2/ethylene response element-binding factor (AP2/ERF) transcription factors (TFs) have been found to regulate plant growth and development and response to various abiotic stresses. However, detailed information of AP2/ERF genes in peanut against drought has not yet been performed. Herein, 185 AP2/ERF TF members were identified from the cultivated peanut (A. hypogaea cv. Tifrunner) genome, clustered into five subfamilies: AP2 (APETALA2), ERF (ethylene-responsive-element-binding), DREB (dehydration-responsive-element-binding), RAV (related to ABI3/VP), and Soloist (few unclassified factors)). Subsequently, the phylogenetic relationship, intron-exon structure, and chromosomal location of AhAP2/ERF were further characterized. All of these AhAP2/ERF genes were distributed unevenly across the 20 chromosomes, and 14 tandem and 85 segmental duplicated gene pairs were identified which originated from ancient duplication events. Gene evolution analysis showed that A. hypogaea cv. Tifrunner were separated 64.07 and 66.44 Mya from Medicago truncatula L. and Glycine max L., respectively. Promoter analysis discovered many cis-acting elements related to light, hormones, tissues, and stress responsiveness process. The protein interaction network predicted the exitance of functional interaction among families or subgroups. Expression profiles showed that genes from AP2, ERF, and dehydration-responsive-element-binding subfamilies were significantly upregulated under drought stress conditions. Our study laid a foundation and provided a panel of candidate AP2/ERF TFs for further functional validation to uplift breeding programs of drought-resistant peanut cultivars.
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Affiliation(s)
- Mengjie Cui
- College of Agriculture, Nanjing Agricultural University, Nanjing, China
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | | | - Pengpei Chai
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Junjia Guo
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Pei Du
- College of Agriculture, Nanjing Agricultural University, Nanjing, China
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Hongyan Li
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Wenzhao Dong
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Bingyan Huang
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Zheng Zheng
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Lei Shi
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Xinyou Zhang
- College of Agriculture, Nanjing Agricultural University, Nanjing, China
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
| | - Suoyi Han
- College of Agriculture, Nanjing Agricultural University, Nanjing, China
- Henan Institute of Crop Molecular Breeding, Henan Academy of Agricultural Science/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, China
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Varghese R, S UK, C GPD, Ramamoorthy S. Unraveling the versatility of CCD4: Metabolic engineering, transcriptomic and computational approaches. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 310:110991. [PMID: 34315605 DOI: 10.1016/j.plantsci.2021.110991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/16/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
Carotenoids are economically valuable isoprenoids synthesized by plants and microorganisms, which play a paramount role in their overall growth and development. Carotenoid cleavage dioxygenases are a vast group of enzymes that specifically cleave thecarotenoids to produce apocarotenoids. Recently, CCDs are a subject of talk because of their contributions to different aspects of plant growth and due to their significance in the production of economically valuable apocarotenoids. Among them, CCD4 stands unique because of its versatility in performing metabolic roles. This review focuses on the multiple functionalities of CCD4 like pigmentation, volatile apocarotenoid production, stress responses, etc. Interestingly, through our literature survey we arrived at a conclusion that CCD4 could perform functions of other carotenoid cleaving enzymes.The metabolic engineering, transcriptomic, and computational approaches adopted to reveal the contributions of CCD4 were also considered here for the study.Phylogenetic analysis was performed to delve into the evolutionary relationships of CCD4 in different plant groups. A tree of 81CCD genes from 64 plant species was constructed, signifying the presence of well-conserved families. Gene structures were illustrated and the difference in the number and position of exons could be considered as a factor behind functional versatility and substrate tolerance of CCD4 in different plants.
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Affiliation(s)
- Ressin Varghese
- School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu, 632014, India
| | - Udhaya Kumar S
- School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu, 632014, India
| | - George Priya Doss C
- School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu, 632014, India
| | - Siva Ramamoorthy
- School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu, 632014, India.
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7
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Strategies to meet the global demand for natural food colorant bixin: A multidisciplinary approach. J Biotechnol 2021; 338:40-51. [PMID: 34271054 DOI: 10.1016/j.jbiotec.2021.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 06/02/2021] [Accepted: 07/09/2021] [Indexed: 11/23/2022]
Abstract
Bixin is an apocarotenoid derived from Bixa orellana L. well known as a food colorant along with its numerous industrial and therapeutic applications. With the current surge in usage of natural products, bixin has contributed immensely to the world carotenoid market and showcases a spike in its requirement globally. To bridge the gap between bixin availability and utility, owed to its bioactivity and demand as a colouring agent in industries the sustainable production of bixin is critical. Therefore, to meet up this challenge effective use of multidisciplinary strategies is a promising choice to enhance bixin quantity and quality. Here we report, an optimal blend of approaches directed towards manipulation of bixin biosynthesis pathway with an insight into the impact of regulatory mechanisms and environmental dynamics, engineering carotenoid degradation in plants other than annatto, usage of tissue culture techniques supported with diverse elicitations, molecular breeding, application of in silico predictive tools, screening of microbial bio-factories as alternatives, preservation of bixin bioavailability, and promotion of eco-friendly extraction techniques to play a collaborative role in promoting sustainable bixin production.
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Feng K, Hou XL, Xing GM, Liu JX, Duan AQ, Xu ZS, Li MY, Zhuang J, Xiong AS. Advances in AP2/ERF super-family transcription factors in plant. Crit Rev Biotechnol 2020; 40:750-776. [PMID: 32522044 DOI: 10.1080/07388551.2020.1768509] [Citation(s) in RCA: 215] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In the whole life process, many factors including external and internal factors affect plant growth and development. The morphogenesis, growth, and development of plants are controlled by genetic elements and are influenced by environmental stress. Transcription factors contain one or more specific DNA-binding domains, which are essential in the whole life cycle of higher plants. The AP2/ERF (APETALA2/ethylene-responsive element binding factors) transcription factors are a large group of factors that are mainly found in plants. The transcription factors of this family serve as important regulators in many biological and physiological processes, such as plant morphogenesis, responsive mechanisms to various stresses, hormone signal transduction, and metabolite regulation. In this review, we summarized the advances in identification, classification, function, regulatory mechanisms, and the evolution of AP2/ERF transcription factors in plants. AP2/ERF family factors are mainly classified into four major subfamilies: DREB (Dehydration Responsive Element-Binding), ERF (Ethylene-Responsive-Element-Binding protein), AP2 (APETALA2) and RAV (Related to ABI3/VP), and Soloists (few unclassified factors). The review summarized the reports about multiple regulatory functions of AP2/ERF transcription factors in plants. In addition to growth regulation and stress responses, the regulatory functions of AP2/ERF in plant metabolite biosynthesis have been described. We also discussed the roles of AP2/ERF transcription factors in different phytohormone-mediated signaling pathways in plants. Genomic-wide analysis indicated that AP2/ERF transcription factors were highly conserved during plant evolution. Some public databases containing the information of AP2/ERF have been introduced. The studies of AP2/ERF factors will provide important bases for plant regulatory mechanisms and molecular breeding.
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Affiliation(s)
- Kai Feng
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Xi-Lin Hou
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Guo-Ming Xing
- Collaborative Innovation Center for Improving Quality and Increased Profits of Protected Vegetables in Shanxi, Taigu, China
| | - Jie-Xia Liu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Ao-Qi Duan
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Zhi-Sheng Xu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Meng-Yao Li
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Jing Zhuang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Ai-Sheng Xiong
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, China
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9
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Teixeira da Silva JA, Dobránszki J, Rivera-Madrid R. The biotechnology (genetic transformation and molecular biology) of Bixa orellana L. (achiote). PLANTA 2018; 248:267-277. [PMID: 29748818 DOI: 10.1007/s00425-018-2909-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 04/27/2018] [Indexed: 06/08/2023]
Abstract
Genetic transformation allows for greater bixin or norbixin production in achiote. Knowledge of genes that control the biosynthesis of these important secondary metabolites will allow for targeted amplification in transgenic plants. Annatto is a natural dye or coloring agent derived from the seeds, or their arils, of achiote (Bixa orellana L.), and is commercially known as E160b. The main active component of annatto dye is water-insoluble bixin, although water-soluble norbixin also has commercial applications. Relative to other antioxidants, bixin is light- and temperature stable and is thus safe for human consumption. Bixin is, therefore, widely applied as a dye and as an antioxidant in the medico-pharmaceutical, food, cosmetic, and dye industries. Even though bixin has also been isolated from leaves and bark, yield is lower than from seeds. More biotechnology-based research of this industrial and medicinal plant is needed. Building on provisional genetic transformation studies, it would be advantageous to transform genes that could result in greater bixin or norbixin production. Reliable protocols for the extraction of bixin and norbixin, as well as deeper knowledge of the genes that control the biosynthesis of these important secondary metabolites will allow for targeted amplification in transgenic plants.
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Affiliation(s)
| | - Judit Dobránszki
- Research Institute of Nyíregyháza, IAREF, University of Debrecen, P.O. Box 12, Nyíregyháza, 4400, Hungary.
| | - Renata Rivera-Madrid
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Col. Chuburná de Hidalgo, CP 97205, Mérida, Yucatán, Mexico.
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10
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Moreira VS, Soares VLF, Silva RJS, Sousa AO, Otoni WC, Costa MGC. Selection and validation of reference genes for quantitative gene expression analyses in various tissues and seeds at different developmental stages in Bixa orellana L. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2018; 24:369-378. [PMID: 29692545 PMCID: PMC5911269 DOI: 10.1007/s12298-018-0528-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 02/16/2018] [Accepted: 03/26/2018] [Indexed: 06/07/2023]
Abstract
Bixa orellana L., popularly known as annatto, produces several secondary metabolites of pharmaceutical and industrial interest, including bixin, whose molecular basis of biosynthesis remain to be determined. Gene expression analysis by quantitative real-time PCR (qPCR) is an important tool to advance such knowledge. However, correct interpretation of qPCR data requires the use of suitable reference genes in order to reduce experimental variations. In the present study, we have selected four different candidates for reference genes in B. orellana, coding for 40S ribosomal protein S9 (RPS9), histone H4 (H4), 60S ribosomal protein L38 (RPL38) and 18S ribosomal RNA (18SrRNA). Their expression stabilities in different tissues (e.g. flower buds, flowers, leaves and seeds at different developmental stages) were analyzed using five statistical tools (NormFinder, geNorm, BestKeeper, ΔCt method and RefFinder). The results indicated that RPL38 is the most stable gene in different tissues and stages of seed development and 18SrRNA is the most unstable among the analyzed genes. In order to validate the candidate reference genes, we have analyzed the relative expression of a target gene coding for carotenoid cleavage dioxygenase 1 (CCD1) using the stable RPL38 and the least stable gene, 18SrRNA, for normalization of the qPCR data. The results demonstrated significant differences in the interpretation of the CCD1 gene expression data, depending on the reference gene used, reinforcing the importance of the correct selection of reference genes for normalization.
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Affiliation(s)
- Viviane S. Moreira
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia 45662-900 Brazil
| | - Virgínia L. F. Soares
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia 45662-900 Brazil
| | - Raner J. S. Silva
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia 45662-900 Brazil
| | - Aurizangela O. Sousa
- Departamento de Tecnologia e Ciências Sociais, Universidade do Estado da Bahia, Juazeiro, Bahia 48905-680 Brazil
| | - Wagner C. Otoni
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900 Brazil
| | - Marcio G. C. Costa
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia 45662-900 Brazil
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11
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Ahrazem O, Gómez-Gómez L, Rodrigo MJ, Avalos J, Limón MC. Carotenoid Cleavage Oxygenases from Microbes and Photosynthetic Organisms: Features and Functions. Int J Mol Sci 2016; 17:E1781. [PMID: 27792173 PMCID: PMC5133782 DOI: 10.3390/ijms17111781] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/07/2016] [Accepted: 10/08/2016] [Indexed: 11/17/2022] Open
Abstract
Apocarotenoids are carotenoid-derived compounds widespread in all major taxonomic groups, where they play important roles in different physiological processes. In addition, apocarotenoids include compounds with high economic value in food and cosmetics industries. Apocarotenoid biosynthesis starts with the action of carotenoid cleavage dioxygenases (CCDs), a family of non-heme iron enzymes that catalyze the oxidative cleavage of carbon-carbon double bonds in carotenoid backbones through a similar molecular mechanism, generating aldehyde or ketone groups in the cleaving ends. From the identification of the first CCD enzyme in plants, an increasing number of CCDs have been identified in many other species, including microorganisms, proving to be a ubiquitously distributed and evolutionarily conserved enzymatic family. This review focuses on CCDs from plants, algae, fungi, and bacteria, describing recent progress in their functions and regulatory mechanisms in relation to the different roles played by the apocarotenoids in these organisms.
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Affiliation(s)
- Oussama Ahrazem
- Instituto Botánico, Departamento de Ciencia y Tecnología Agroforestal y Genética, Facultad de Farmacia, Universidad de Castilla-La Mancha, Campus Universitario s/n, 02071 Albacete, Spain.
| | - Lourdes Gómez-Gómez
- Instituto Botánico, Departamento de Ciencia y Tecnología Agroforestal y Genética, Facultad de Farmacia, Universidad de Castilla-La Mancha, Campus Universitario s/n, 02071 Albacete, Spain.
| | - María J Rodrigo
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Departamento de Ciencia de los Alimentos, Calle Catedrático Agustín Escardino 7, 46980 Paterna, Spain.
| | - Javier Avalos
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes 6, 41012 Sevilla, Spain.
| | - María Carmen Limón
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes 6, 41012 Sevilla, Spain.
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12
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Cárdenas-Conejo Y, Carballo-Uicab V, Lieberman M, Aguilar-Espinosa M, Comai L, Rivera-Madrid R. De novo transcriptome sequencing in Bixa orellana to identify genes involved in methylerythritol phosphate, carotenoid and bixin biosynthesis. BMC Genomics 2015; 16:877. [PMID: 26511010 PMCID: PMC4625570 DOI: 10.1186/s12864-015-2065-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 10/13/2015] [Indexed: 12/02/2022] Open
Abstract
Background Bixin or annatto is a commercially important natural orange-red pigment derived from lycopene that is produced and stored in seeds of Bixa orellana L. An enzymatic pathway for bixin biosynthesis was inferred from homology of putative proteins encoded by differentially expressed seed cDNAs. Some activities were later validated in a heterologous system. Nevertheless, much of the pathway remains to be clarified. For example, it is essential to identify the methylerythritol phosphate (MEP) and carotenoid pathways genes. Results In order to investigate the MEP, carotenoid, and bixin pathways genes, total RNA from young leaves and two different developmental stages of seeds from B. orellana were used for the construction of indexed mRNA libraries, sequenced on the Illumina HiSeq 2500 platform and assembled de novo using Velvet, CLC Genomics Workbench and CAP3 software. A total of 52,549 contigs were obtained with average length of 1,924 bp. Two phylogenetic analyses of inferred proteins, in one case encoded by thirteen general, single-copy cDNAs, in the other from carotenoid and MEP cDNAs, indicated that B. orellana is closely related to sister Malvales species cacao and cotton. Using homology, we identified 7 and 14 core gene products from the MEP and carotenoid pathways, respectively. Surprisingly, previously defined bixin pathway cDNAs were not present in our transcriptome. Here we propose a new set of gene products involved in bixin pathway. Conclusion The identification and qRT-PCR quantification of cDNAs involved in annatto production suggest a hypothetical model for bixin biosynthesis that involve coordinated activation of some MEP, carotenoid and bixin pathway genes. These findings provide a better understanding of the mechanisms regulating these pathways and will facilitate the genetic improvement of B. orellana. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-2065-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yair Cárdenas-Conejo
- Centro de Investigación Científica de Yucatán, A. C. Calle 43 No. 130, Col. Chuburná de Hidalgo, 97200, Mérida, Yucatán, Mexico.
| | - Víctor Carballo-Uicab
- Centro de Investigación Científica de Yucatán, A. C. Calle 43 No. 130, Col. Chuburná de Hidalgo, 97200, Mérida, Yucatán, Mexico.
| | - Meric Lieberman
- Plant Biology and Genome Center, University of California, Davis, CA, 95616, USA.
| | - Margarita Aguilar-Espinosa
- Centro de Investigación Científica de Yucatán, A. C. Calle 43 No. 130, Col. Chuburná de Hidalgo, 97200, Mérida, Yucatán, Mexico.
| | - Luca Comai
- Plant Biology and Genome Center, University of California, Davis, CA, 95616, USA.
| | - Renata Rivera-Madrid
- Centro de Investigación Científica de Yucatán, A. C. Calle 43 No. 130, Col. Chuburná de Hidalgo, 97200, Mérida, Yucatán, Mexico.
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13
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Rubio-Moraga A, Rambla JL, Fernández-de-Carmen A, Trapero-Mozos A, Ahrazem O, Orzáez D, Granell A, Gómez-Gómez L. New target carotenoids for CCD4 enzymes are revealed with the characterization of a novel stress-induced carotenoid cleavage dioxygenase gene from Crocus sativus. PLANT MOLECULAR BIOLOGY 2014; 86:555-69. [PMID: 25204497 DOI: 10.1007/s11103-014-0250-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 09/03/2014] [Indexed: 05/04/2023]
Abstract
Apocarotenoid compounds play diverse communication functions in plants, some of them being as hormones, pigments and volatiles. Apocarotenoids are the result of enzymatic cleavage of carotenoids catalyzed by carotenoid cleavage dioxygenase (CCD). The CCD4 family is the largest family of plant CCDs, only present in flowering plants, suggesting a functional diversification associated to the adaptation for specific physiological capacities unique to them. In saffron, two CCD4 genes have been previously isolated from the stigma tissue and related with the generation of specific volatiles involved in the attraction of pollinators. The aim of this study was to identify additional CCD4 members associated with the generation of other carotenoid-derived volatiles during the development of the stigma. The expression of CsCCD4c appears to be restricted to the stigma tissue in saffron and other Crocus species and was correlated with the generation of megastigma-4,6,8-triene. Further, CsCCD4c was up-regulated by wounding, heat, and osmotic stress, suggesting an involvement of its apocarotenoid products in the adaptation of saffron to environmental stresses. The enzymatic activity of CsCCD4c was determined in vivo in Escherichia coli and subsequently in Nicotiana benthamiana by analyzing carotenoids by HPLC-DAD and the volatile products by GC/MS. β-Carotene was shown to be the preferred substrate, being cleaved at the 9,10 (9',10') bonds and generating β-ionone, although β-cyclocitral resulting from a 7,8 (7',8') cleavage activity was also detected at lower levels. Lutein, neoxanthin and violaxanthin levels in Nicotiana leaves were markedly reduced when CsCCD4c is over expressed, suggesting that CsCCD4c recognizes these carotenoids as substrates.
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Affiliation(s)
- Angela Rubio-Moraga
- Departamento de Ciencia y Tecnología Agroforestal y Genética, Facultad de Farmacia, Instituto Botánico, Universidad de Castilla-La Mancha, Campus Universitario s/n, 02071, Albacete, Spain
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14
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Farrow SC, Facchini PJ. Functional diversity of 2-oxoglutarate/Fe(II)-dependent dioxygenases in plant metabolism. FRONTIERS IN PLANT SCIENCE 2014; 5:524. [PMID: 25346740 PMCID: PMC4191161 DOI: 10.3389/fpls.2014.00524] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 09/16/2014] [Indexed: 05/18/2023]
Abstract
Oxidative enzymes catalyze many different reactions in plant metabolism. Among this suite of enzymes are the 2-oxoglutarate/Fe(II)-dependent dioxygenases (2-ODDs). Cytochromes P450 (CYPs) as often considered the most versatile oxidative enzymes in nature, but the diversity and complexity of reactions catalyzed by 2-ODDs is superior to the CYPs. The list of oxidative reactions catalyzed by 2-ODDs includes hydroxylations, demethylations, desaturations, ring closure, ring cleavage, epimerization, rearrangement, halogenation, and demethylenation. Furthermore, recent work, including the discovery of 2-ODDs involved in epigenetic regulation, and others catalyzing several characteristic steps in specialized metabolic pathways, support the argument that 2-ODDs are among the most versatile and important oxidizing biological catalysts. In this review, we survey and summarize the pertinent literature with a focus on several key reactions catalyzed by 2-ODDs, and discuss the significance and impact of these enzymes in plant metabolism.
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Affiliation(s)
| | - Peter J. Facchini
- Department of Biological Sciences, University of CalgaryCalgary, AB, Canada
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15
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Zhu Y, Zuo M, Liang Y, Jiang M, Zhang J, Scheller HV, Tan M, Zhang A. MAP65-1a positively regulates H2O2 amplification and enhances brassinosteroid-induced antioxidant defence in maize. JOURNAL OF EXPERIMENTAL BOTANY 2013; 64:3787-802. [PMID: 23956414 PMCID: PMC3745737 DOI: 10.1093/jxb/ert215] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Brassinosteroid (BR)-induced antioxidant defence has been shown to enhance stress tolerance. In this study, the role of the maize 65 kDa microtubule-associated protein (MAP65), ZmMAP65-1a, in BR-induced antioxidant defence was investigated. Treatment with BR increased the expression of ZmMAP65-1a in maize (Zea mays) leaves and mesophyll protoplasts. Transient expression and RNA interference silencing of ZmMAP65-1a in mesophyll protoplasts further revealed that ZmMAP65-1a is required for the BR-induced increase in expression and activity of superoxide dismutase (SOD) and ascorbate peroxidase (APX). Both exogenous and BR-induced endogenous H2O2 increased the expression of ZmMAP65-1a. Conversely, transient expression of ZmMAP65-1a in maize mesophyll protoplasts enhanced BR-induced H2O2 accumulation, while transient silencing of ZmMAP65-1a blocked the BR-induced expression of NADPH oxidase genes and inhibited BR-induced H2O2 accumulation. Inhibiting the activity and gene expression of ZmMPK5 significantly prevented the BR-induced expression of ZmMAP65-1a. Likewise, transient expression of ZmMPK5 enhanced BR-induced activities of the antioxidant defence enzymes SOD and APX in a ZmMAP65- 1a-dependent manner. ZmMPK5 directly interacted with ZmMAP65-1a in vivo and phosphorylated ZmMAP65-1a in vitro. These results suggest that BR-induced antioxidant defence in maize operates through the interaction of ZmMPK5 with ZmMAP65-1a. Furthermore, ZmMAP65-1a functions in H2O2 self-propagation via regulation of the expression of NADPH oxidase genes in BR signalling.
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Affiliation(s)
- Yuan Zhu
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Mingxing Zuo
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yali Liang
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Mingyi Jiang
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jianhua Zhang
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, PR China
| | - Henrik Vibe Scheller
- Department of Plant and Microbial Biology, University of California Berkeley, CA 94720, USA
| | - Mingpu Tan
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Aying Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, PR China
- * To whom correspondence should be addressed.
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16
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Ghangal R, Raghuvanshi S, Sharma PC. Expressed sequence tag based identification and expression analysis of some cold inducible elements in seabuckthorn (Hippophae rhamnoides L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2012; 51:123-8. [PMID: 22153248 DOI: 10.1016/j.plaphy.2011.10.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Accepted: 10/14/2011] [Indexed: 05/24/2023]
Abstract
A cDNA library was constructed from the mature leaves of seabuckthorn (Hippophae rhamnoides). Expressed Sequence Tags (ESTs) were generated by single pass sequencing of 4500 cDNA clones. We submitted 3412 ESTs to dbEST of NCBI. Clustering of these ESTs yielded 1665 unigenes comprising of 345 contigs and 1320 singletons. Out of 1665 unigenes, 1278 unigenes were annotated by similarity search while the remaining 387 unannotated unigenes were considered as organism specific. Gene Ontology (GO) analysis of the unigene dataset showed 691 unigenes related to biological processes, 727 to molecular functions and 588 to cellular component category. On the basis of similarity search and GO annotation, 43 unigenes were found responsive to biotic and abiotic stresses. To validate this observation, 13 genes that are known to be associated with cold stress tolerance from previous studies in Arabidopsis and 3 novel transcripts were examined by Real time RT-PCR to understand the change in expression pattern under cold/freeze stress. In silico study of occurrence of microsatellites in these ESTs revealed the presence of 62 Simple Sequence Repeats (SSRs), some of which are being explored to assess genetic diversity among seabuckthorn collections. This is the first report of generation of transcriptome data providing information about genes involved in managing plant abiotic stress in seabuckthorn, a plant known for its enormous medicinal and ecological value.
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Affiliation(s)
- Rajesh Ghangal
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, Sector-16C, Dwarka, New Delhi 110075, India
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17
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Ong WD, Voo CLY, Kumar SV. Development of ESTs and data mining of pineapple EST-SSRs. Mol Biol Rep 2011; 39:5889-96. [PMID: 22207174 DOI: 10.1007/s11033-011-1400-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Accepted: 12/17/2011] [Indexed: 11/28/2022]
Abstract
Improving the quality of the non-climacteric fruit, pineapple, is possible with information on the expression of genes that occur during the process of fruit ripening. This can be made known though the generation of partial mRNA transcript sequences known as expressed sequence tags (ESTs). ESTs are useful not only for gene discovery but also function as a resource for the identification of molecular markers, such as simple sequence repeats (SSRs). This paper reports on firstly, the construction of a normalized library of the mature green pineapple fruit and secondly, the mining of EST-SSRs markers using the newly obtained pineapple ESTs as well as publically available pineapple ESTs deposited in GenBank. Sequencing of the clones from the EST library resulted in 282 good sequences. Assembly of sequences generated 168 unique transcripts (UTs) consisting of 34 contigs and 134 singletons with an average length of ≈500 bp. Annotation of the UTs categorized the known proteins transcripts into the three ontologies as: molecular function (34.88%), biological process (38.43%), and cellular component (26.69%). Approximately 7% (416) of the pineapple ESTs contained SSRs with an abundance of trinucleotide SSRs (48.3%) being identified. This was followed by dinucleotide and tetranucleotide SSRs with frequency of 46 and 57%, respectively. From these EST-containing SSRs, 355 (85.3%) matched to known proteins while 133 contained flanking regions for primer design. Both the ESTs were sequenced and the mined EST-SSRs will be useful in the understanding of non-climacteric ripening and the screening of biomarkers linked to fruit quality traits.
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Affiliation(s)
- W D Ong
- Biotechnology Research Institute, University Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
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