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Baliyan N, Srivastava A, Rao M, Mishra AK, Bharti H, Khar A, Mangal M. Correlation of stages of microsporogenesis with bud and anther morphology in pepper genotypes through DAPI staining with different levels of mordant in cytological fixative. PROTOPLASMA 2024; 261:367-376. [PMID: 37910230 DOI: 10.1007/s00709-023-01903-0] [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: 07/24/2023] [Accepted: 10/16/2023] [Indexed: 11/03/2023]
Abstract
The haploid and doubled haploid plants serve as valuable tools for breeders due to their ability to expedite the mapping of genes of agronomic importance, as well as accelerate the breeding cycle for generation of novel hybrids and improved homogenous varieties. Successful anther/microspore culture largely depends on the use of microspores at appropriate developmental stages at the time of culture, which can be specific for each plant species and genotype. In the present study, we described the visible morphological characteristics of flower buds and anthers at different developmental stages to identify the optimal microspore stage within the anther/buds of two pepper hybrids, Indra and Lakshmi. This information enabled us to predict the suitable microspore stage for successful haploid production. To enhance the visualization of nuclei in the pepper microspores, different concentrations of FeCl3 were employed as a mordant to Carnoy's fixative I, followed by DAPI staining. A clear and distinct nucleus was observed using DAPI staining procedures in the pepper microspores when fixed in Carnoy's solution containing ferric chloride (40-90 µl) as mordant. The use of mordant thus facilitated the efficient cytological analysis of the pepper microspores. Present results indicate that, to achieve efficient haploid production, flower buds with an average length of 4.4 to 5.02 mm for the hybrid Indra and 5.15 to 5.40 mm for the hybrid Lakshmi should be utilized. Additionally, these buds should have a calyx covering approximately 80-90% of the total bud length. We observed that in such buds, microspores are in the late-uninucleate and early binucleate stage which has been reported to be the most conducive stage for androgenesis induction in pepper.
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Affiliation(s)
- Nikita Baliyan
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Arpita Srivastava
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Mahesh Rao
- ICAR-National Institute for Plant Biotechnology, New Delhi, India
| | - Ajay Kumar Mishra
- Centre for Protected Cultivation Technology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Hemlata Bharti
- Centre for Protected Cultivation Technology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Anil Khar
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Manisha Mangal
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, India.
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2
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Yang Y, Cai Q, Luo L, Sun Z, Li L. Genome-Wide Analysis of C-Repeat Binding Factor Gene Family in Capsicum baccatum and Functional Exploration in Low-Temperature Response. PLANTS (BASEL, SWITZERLAND) 2024; 13:549. [PMID: 38498531 PMCID: PMC10891952 DOI: 10.3390/plants13040549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/20/2024]
Abstract
Capsicum baccatum is a close relative of edible chili peppers (Capsicum annuum) with high economic value. The CBF gene family plays an important role in plant stress resistance physiology. We detected a total of five CBF genes in the C. baccatum genome-wide sequencing data. These genes were scattered irregularly across four chromosomes. The genes were categorized into three groupings according to their evolutionary relationships, with genes in the same category showing comparable principles for motif composition. The 2000 bp upstream of CbCBF contains many resistance-responsive elements, hormone-responsive elements, and transcription factor binding sites. These findings emphasize the crucial functions of these genes in responding to challenging conditions and physiological regulation. Analysis of tissue-specific expression revealed that CbCBF3 exhibited the greatest level of expression among all tissues. Under conditions of low-temperature stress, all CbCBF genes exhibited different levels of responsiveness, with CbCBF3 showing a considerable up-regulation after 0.25 h of cold stress, indicating a high sensitivity to low-temperature response. The importance of the CbCBF3 gene in the cold response of C. baccatum was confirmed by the use of virus-induced gene silencing (VIGS) technology, as well as the prediction of its protein interaction network. To summarize, this study conducts a thorough bioinformatics investigation of the CbCBF gene family, showcases the practicality of employing VIGS technology in C. baccatum, and confirms the significance of the CbCBF3 gene in response to low temperatures. These findings provide significant references for future research on the adaptation of C. baccatum to low temperatures.
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Affiliation(s)
- Yanbo Yang
- College of Geography and Ecotourism, Southwest Forestry University, Kunming 650224, China;
| | - Qihang Cai
- College of Landscape and Horticulture, Southwest Forestry University, Kunming 650224, China; (Q.C.); (L.L.)
- Yunnan International Joint R&D Center for Intergrated Utilization of Ornamental Grass, International Technological Cooperation Base of High Effective Economic Forestry Cultivating of Yunnan Province, South and Southeast Asia Joint R&D Center of Economic Forest Full Industry Chain of Yunnan Province, College of Landscape and Horticulture, Southwest Forestry University, Kunming 650224, China
| | - Li Luo
- College of Landscape and Horticulture, Southwest Forestry University, Kunming 650224, China; (Q.C.); (L.L.)
| | - Zhenghai Sun
- College of Landscape and Horticulture, Southwest Forestry University, Kunming 650224, China; (Q.C.); (L.L.)
- Yunnan International Joint R&D Center for Intergrated Utilization of Ornamental Grass, International Technological Cooperation Base of High Effective Economic Forestry Cultivating of Yunnan Province, South and Southeast Asia Joint R&D Center of Economic Forest Full Industry Chain of Yunnan Province, College of Landscape and Horticulture, Southwest Forestry University, Kunming 650224, China
| | - Liping Li
- College of Wetland, Southwest Forestry University, Kunming 650224, China
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3
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Tian H, Fan G, Xiong X, Wang H, Zhang S, Geng G. Characterization and transformation of the CabHLH18 gene from hot pepper to enhance waterlogging tolerance. FRONTIERS IN PLANT SCIENCE 2024; 14:1285198. [PMID: 38283978 PMCID: PMC10810986 DOI: 10.3389/fpls.2023.1285198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/18/2023] [Indexed: 01/30/2024]
Abstract
Basic helix-loop-helix (bHLH) proteins are important in abiotic stress control. Here, a specific bHLH transcription factor gene, CabHLH18, from a strong waterlogging-tolerant pepper cultivar, 'ZHC2', was successfully cloned. The CabHLH18 gene presented a coding sequence length of 1,056 bp, encoding 352 amino acids, and the protein was the closest to Capsicum annuum XM016694561.2 protein. The CabHLH18 protein was located in the nucleus. The transformation of the CabHLH18 overexpression vector into the plumules of hot peppers, 'DFZJ' and 'ZHC1', exhibited 21.37% and 22.20% efficiency, respectively. The root length, plant height, and fresh weight of the 'DFZJ' overexpression lines were greater than those of wild-type (WT) plants under waterlogging conditions. Compared with the WT plants, the overexpression lines generally showed greater contents of water, the amino acid, proline, soluble sugar, root viability, and superoxide dismutase activity, but lower malondialdehyde content under waterlogging conditions. Plant fresh weight, amino acids, proline, and soluble sugar levels of the overexpression lines were 39.17%, 45.03%, 60.67%, and 120.18% greater, respectively, compared with the WT plants at 24 h after waterlogging stress. Therefore, the CabHLH18 gene could be implicated in conferring waterlogging tolerance in hot peppers and holds promise for enhancing their overall waterlogging tolerance.
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Affiliation(s)
- Huaizhi Tian
- College of Agriculture, Guizhou University, Guiyang, Guizhou, China
- Institute of Pepper, Zunyi Academy of Agricultural Sciences, Zunyi, Guizhou, China
| | - Gaoling Fan
- Institute of Pepper, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou, China
| | - Xingwei Xiong
- College of Agriculture, Guizhou University, Guiyang, Guizhou, China
| | - Hui Wang
- College of Agriculture, Guizhou University, Guiyang, Guizhou, China
| | - Suqin Zhang
- College of Agriculture, Guizhou University, Guiyang, Guizhou, China
| | - Guangdong Geng
- College of Agriculture, Guizhou University, Guiyang, Guizhou, China
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4
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Devi OP, Sharma SK, Sanatombi K, Devi KS, Pathaw N, Roy SS, Chanu NT, Sanabam R, Devi HC, Singh AR, Baranwal VK. A Simplified Multiplex PCR Assay for Simultaneous Detection of Six Viruses Infecting Diverse Chilli Species in India and Its Application in Field Diagnosis. Pathogens 2022; 12:pathogens12010006. [PMID: 36678354 PMCID: PMC9861913 DOI: 10.3390/pathogens12010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/10/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Chilli is infected by at least 65 viruses globally, with a mixed infection of multiple viruses leading to severe losses being a common occurrence. A simple diagnostic procedure that can identify multiple viruses at once is required to track their spread, initiate management measures and manage them using virus-free planting supplies. The present study, for the first time, reports a simplified and robust multiplex PCR (mPCR) assay for the simultaneous detection of five RNA viruses, capsicum chlorosis orthotospovirus (CaCV), chilli veinal mottle virus (ChiVMV), large cardamom chirke virus (LCCV), cucumber mosaic virus (CMV), and pepper mild mottle virus (PMMoV), and a DNA virus, chilli leaf curl virus (ChiLCV) infecting chilli. The developed mPCR employed six pairs of primer from the conserved coat protein (CP) region of the respective viruses. Different parameters viz., primer concentration (150-450 nM) and annealing temperature (50 °C), were optimized in order to achieve specific and sensitive amplification of the target viruses in a single reaction tube. The detection limit of the mPCR assay was 5.00 pg/µL to simultaneously detect all the target viruses in a single reaction, indicating a sufficient sensitivity of the developed assay. The developed assay showed high specificity and showed no cross-amplification. The multiplex PCR assay was validated using field samples collected across Northeast India. Interestingly, out of 61 samples collected across the northeastern states, only 22 samples (36%) were positive for single virus infection while 33 samples (54%) were positive for three or more viruses tested in mPCR, showing the widespread occurrence of mixed infection under field conditions. To the best of our knowledge, this is the first report on the development and field validation of the mPCR assay for six chilli viruses and will have application in routine virus indexing and virus management.
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Affiliation(s)
- Oinam Priyoda Devi
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
- Department of Biotechnology, Manipur University, Canchipur, Imphal 795003, India
| | - Susheel Kumar Sharma
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
- Advanced Centre for Plant Virology, Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
- Correspondence:
| | | | - Konjengbam Sarda Devi
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
| | - Neeta Pathaw
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
| | - Subhra Saikat Roy
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
| | | | - Rakesh Sanabam
- ICAR Research Complex for NEH Region, Manipur Centre, Lamphelpat, Imphal 795004, India
| | | | | | - Virendra Kumar Baranwal
- Advanced Centre for Plant Virology, Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
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Shu H, Zhang Y, He C, Altaf MA, Hao Y, Liao D, Li L, Li C, Fu H, Cheng S, Zhu G, Wang Z. Establishment of in vitro regeneration system and molecular analysis of early development of somatic callus in Capsicum chinense and Capsicum baccatum. FRONTIERS IN PLANT SCIENCE 2022; 13:1025497. [PMID: 36466290 PMCID: PMC9714296 DOI: 10.3389/fpls.2022.1025497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/19/2022] [Indexed: 06/17/2023]
Abstract
Regeneration is extremely important to pepper genetic development; however, the molecular mechanisms of how the callus reactivates cell proliferation and promotes cell reprogramming remain elusive in pepper. In the present study, C. baccatum (HNUCB81 and HNUCB226) and C. chinense (HNUCC22 and HNUCC16) were analyzed to reveal callus initiation by in vitro regeneration, histology, and transcriptome. We successfully established an efficient in vitro regeneration system of two cultivars to monitor the callus induction of differential genotypes, and the regenerated plants were obtained. Compared to C. chinense, there was a higher callus induction rate in C. baccatum. The phenotype of C. baccatum changed significantly and formed vascular tissue faster than C. chinense. The KEGG enrichment analysis found that plant hormone transduction and starch and sucrose metabolism pathways were significantly enriched. In addition, we identified that the WOX7 gene was significantly up-regulated in HNUCB81 and HNUCB226 than that in HNUCC22 and HNUCC16, which may be a potential function in callus formation. These results provided a promising strategy to improve the regeneration and transformation of pepper plants.
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Affiliation(s)
- Huangying Shu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
- Hainan Yazhou Bay Seed Laboratory, Sanya, China
| | - Yu Zhang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Chengyao He
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Muhammad Ahsan Altaf
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Yuanyuan Hao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Daolong Liao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Institute of Vegetables, Hainan Province Academy of Agricultural Sciences, Haikou, China
| | - Lin Li
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Caichao Li
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
| | - Huizhen Fu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
| | - Shanhan Cheng
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
| | - Guopeng Zhu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
| | - Zhiwei Wang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
- Hainan Yazhou Bay Seed Laboratory, Sanya, China
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6
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In vitro propagation and secondary metabolite production in Gloriosa superba L. Appl Microbiol Biotechnol 2022; 106:5399-5414. [PMID: 35941253 DOI: 10.1007/s00253-022-12094-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/02/2022]
Abstract
Gloriosa superba L., commonly known as "gloriosa lily," "glory lily," and "tiger claw," is a perennial climber in the Liliaceae family. This plant is used in African and Southeast Asian cultures as an ayurvedic medicinal herb to treat various health conditions. Its main bioactive component is colchicine, which is responsible for medicinal efficacies as well as poisonous properties of the plant. A high market demand, imprudent harvesting of G. superba from natural habitat, and low seed setting have led scientists to explore micropropagation techniques and in vitro optimization of its phytochemicals. Plant growth regulators have been used to induce callus, root, and shoot organogenesis, and somatic embryogenesis in vitro. This review is aimed at presenting information regarding the occurrence, taxonomic description, phytochemistry, micropropagation, in vitro secondary metabolite, and synthetic seed production. The data collected from the existing literature, along with an analysis of individual study details, outcomes, and variations in the reports, will contribute to the development of biotechnological strategies for conservation and mass propagation of G. superba. KEY POINTS: • Latest literature on micropropagation of Gloriosa superba. • Biotechnological production and optimization of colchicine. • Regeneration, somatic embryogenesis, and synthetic seed production.
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Carvalho JCDE, Nascimento GDEO, Silva ACLDA, Ferreira MDASGR, Araújo WL, Gonçalves JFDEC. Germination and in vitro development of mature zygotic embryos and protein profile of seedlings of wild and cultivated Hevea brasiliensis. AN ACAD BRAS CIENC 2022; 94:e20200515. [PMID: 35830067 DOI: 10.1590/0001-3765202220200515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 11/26/2020] [Indexed: 11/22/2022] Open
Abstract
The main factors governing Hevea brasiliensis germination and seedling establishment remains unclear. We examined the effect of growth regulators Indole 3-Acetic Acid (IAA) and 6-Benzylaminopurine (BAP), and their interactions on germination and the development of mature zygotic embryos (MZE) and protein profile of Hevea brasiliensis seedlings from wild and cultivated (clone PB 250) genotypes. Embryonic axes excised from seeds (wild and clone PB 250) were inoculated in Murashige and Skoog medium (control) and supplemented with IAA (3 µM) and BAP (6 µM) individually and their combination (3 µM IAA + 6 µM BAP). For both genotypes, the mature embryos displayed a high percentage of germination and establishment, and the seedlings were characterized by protein bands ranging from 7 to 30 kDa. Notably, the wild genotype showed proteins in the 14 kDa range, which may be associated with one of the major rubber elongation factors (REF). The wild and clone genotypes presented different behavior and strategies in relation to the protein profile in the presence of different growth regulators. Although the latex biosynthetic pathway and its mechanisms of regulation still remain largely unknown, our results aid in our understanding of the dynamics of proteins in different rubber tree clones in vitro.
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Affiliation(s)
- Josiane C DE Carvalho
- Instituto Nacional de Pesquisas da Amazônia-MCTI-INPA, Laboratório de Fisiologia e Bioquímica Vegetal, Campus III (prédio 152), Av. HI, s/n, Conj. Morada do Sol, Aleixo, 69060-062 Manaus, AM, Brazil
| | - Gleisson DE O Nascimento
- Universidade Federal do Acre/UFAC, Centro Multidisciplinar, Campus Floresta, Estrada do Canela Fina, Km 12, Gleba Formoso, Lote 245, Colônia São Francisco, 69980-000 Cruzeiro do Sul, AC, Brazil
| | - Ana Claudia L DA Silva
- Instituto Nacional de Pesquisas da Amazônia-MCTI-INPA, Laboratório de Fisiologia e Bioquímica Vegetal, Campus III (prédio 152), Av. HI, s/n, Conj. Morada do Sol, Aleixo, 69060-062 Manaus, AM, Brazil
| | | | - Wagner L Araújo
- Universidade Federal de Viçosa/UFV, Departamento de Biologia Vegetal, Edif. CCB II, Centro de Ciências Biológicas II, Campus Universitário, Av. Purdue, s/n, 36570-900 Viçosa, MG, Brazil
| | - José Francisco DE C Gonçalves
- Instituto Nacional de Pesquisas da Amazônia-MCTI-INPA, Laboratório de Fisiologia e Bioquímica Vegetal, Campus III (prédio 152), Av. HI, s/n, Conj. Morada do Sol, Aleixo, 69060-062 Manaus, AM, Brazil
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8
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García-Rodríguez LDC, Prado-Olivarez J, Guzmán-Cruz R, Heil M, Guevara-González RG, Diaz-Carmona J, López-Tapia H, Padierna-Arvizu DDJ, Espinosa-Calderón A. Black-Box Mathematical Model for Net Photosynthesis Estimation and Its Digital IoT Implementation Based on Non-Invasive Techniques: Capsicum annuum L. Study Case. SENSORS (BASEL, SWITZERLAND) 2022; 22:5275. [PMID: 35890954 PMCID: PMC9323922 DOI: 10.3390/s22145275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/27/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Photosynthesis is a vital process for the planet. Its estimation involves the measurement of different variables and its processing through a mathematical model. This article presents a black-box mathematical model to estimate the net photosynthesis and its digital implementation. The model uses variables such as: leaf temperature, relative leaf humidity, and incident radiation. The model was elaborated with obtained data from Capsicum annuum L. plants and calibrated using genetic algorithms. The model was validated with Capsicum annuum L. and Capsicum chinense Jacq. plants, achieving average errors of 3% in Capsicum annuum L. and 18.4% in Capsicum chinense Jacq. The error in Capsicum chinense Jacq. was due to the different experimental conditions. According to evaluation, all correlation coefficients (Rho) are greater than 0.98, resulting from the comparison with the LI-COR Li-6800 equipment. The digital implementation consists of an FPGA for data acquisition and processing, as well as a Raspberry Pi for IoT and in situ interfaces; thus, generating a useful net photosynthesis device with non-invasive sensors. This proposal presents an innovative, portable, and low-scale way to estimate the photosynthetic process in vivo, in situ, and in vitro, using non-invasive techniques.
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Affiliation(s)
- Luz del Carmen García-Rodríguez
- Department of Electrical and Electronic Engineering, Tecnológico Nacional de México, Celaya 38010, Guanajuato, Mexico; (L.d.C.G.-R.); (J.P.-O.); (J.D.-C.); (H.L.-T.); (D.d.J.P.-A.)
| | - Juan Prado-Olivarez
- Department of Electrical and Electronic Engineering, Tecnológico Nacional de México, Celaya 38010, Guanajuato, Mexico; (L.d.C.G.-R.); (J.P.-O.); (J.D.-C.); (H.L.-T.); (D.d.J.P.-A.)
| | - Rosario Guzmán-Cruz
- Cuerpo Académico de Ingeniería de Biosistemas, Universidad Autónoma de Querétaro, Queretaro 76010, Queretaro, Mexico; (R.G.-C.); (R.G.G.-G.)
| | - Martin Heil
- Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico;
| | - Ramón Gerardo Guevara-González
- Cuerpo Académico de Ingeniería de Biosistemas, Universidad Autónoma de Querétaro, Queretaro 76010, Queretaro, Mexico; (R.G.-C.); (R.G.G.-G.)
| | - Javier Diaz-Carmona
- Department of Electrical and Electronic Engineering, Tecnológico Nacional de México, Celaya 38010, Guanajuato, Mexico; (L.d.C.G.-R.); (J.P.-O.); (J.D.-C.); (H.L.-T.); (D.d.J.P.-A.)
| | - Héctor López-Tapia
- Department of Electrical and Electronic Engineering, Tecnológico Nacional de México, Celaya 38010, Guanajuato, Mexico; (L.d.C.G.-R.); (J.P.-O.); (J.D.-C.); (H.L.-T.); (D.d.J.P.-A.)
| | - Diego de Jesús Padierna-Arvizu
- Department of Electrical and Electronic Engineering, Tecnológico Nacional de México, Celaya 38010, Guanajuato, Mexico; (L.d.C.G.-R.); (J.P.-O.); (J.D.-C.); (H.L.-T.); (D.d.J.P.-A.)
| | - Alejandro Espinosa-Calderón
- Regional Center for Optimization and Development of Equipment, Tecnológico Nacional de México, Celaya 38020, Guanajuato, Mexico
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9
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Kang WH, Lee J, Koo N, Kwon JS, Park B, Kim YM, Yeom SI. Universal gene co-expression network reveals receptor-like protein genes involved in broad-spectrum resistance in pepper (Capsicum annuum L.). HORTICULTURE RESEARCH 2022; 9:uhab003. [PMID: 35043174 PMCID: PMC8968494 DOI: 10.1093/hr/uhab003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 09/08/2021] [Indexed: 05/21/2023]
Abstract
Receptor-like proteins (RLPs) on plant cells have been implicated in immune responses and developmental processes. Although hundreds of RLP genes have been identified in plants, only a few RLPs have been functionally characterized in a limited number of plant species. Here, we identified RLPs in the pepper (Capsicum annuum) genome and performed comparative transcriptomics coupled with the analysis of conserved gene co-expression networks (GCNs) to reveal the role of core RLP regulators in pepper-pathogen interactions. A total of 102 RNA-seq datasets of pepper plants infected with four pathogens were used to construct CaRLP-targeted GCNs (CaRLP-GCNs). Resistance-responsive CaRLP-GCNs were merged to construct a universal GCN. Fourteen hub CaRLPs, tightly connected with defense-related gene clusters, were identified in eight modules. Based on the CaRLP-GCNs, we evaluated whether hub CaRLPs in the universal GCN are involved in the biotic stress response. Of the nine hub CaRLPs tested by virus-induced gene silencing, three genes (CaRLP264, CaRLP277, and CaRLP351) showed defense suppression with less hypersensitive response-like cell death in race-specific and non-host resistance response to viruses and bacteria, respectively, and consistently enhanced susceptibility to Ralstonia solanacearum and/or Phytophthora capsici. These data suggest that key CaRLPs are involved in the defense response to multiple biotic stresses and can be used to engineer a plant with broad-spectrum resistance. Together, our data show that generating a universal GCN using comprehensive transcriptome datasets can provide important clues to uncover genes involved in various biological processes.
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Affiliation(s)
- Won-Hee Kang
- Institute of Agriculture & Life Science, Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828,
Republic of Korea
| | - Junesung Lee
- Department of Horticulture, Division of Applied Life Science (BK21 four), Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828, Republic of Korea
| | - Namjin Koo
- Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology, 125, Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Ji-Su Kwon
- Department of Horticulture, Division of Applied Life Science (BK21 four), Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828, Republic of Korea
| | - Boseul Park
- Department of Horticulture, Division of Applied Life Science (BK21 four), Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828, Republic of Korea
| | - Yong-Min Kim
- Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology, 125, Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- Genome Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, 125, Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seon-In Yeom
- Institute of Agriculture & Life Science, Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828,
Republic of Korea
- Department of Horticulture, Division of Applied Life Science (BK21 four), Gyeongsang National University, 501, Jinju-daero, Gajwa-dong, Jinju, 52828, Republic of Korea
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10
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Woldemariam HW, Harmeling H, Emire SA, Teshome PG, Toepfl S, Aganovic K. Pulsed light treatment reduces microorganisms and mycotoxins naturally present in red pepper (
Capsicum annuum
L.
) powder. J FOOD PROCESS ENG 2021. [DOI: 10.1111/jfpe.13948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Henock Woldemichael Woldemariam
- Food Engineering Graduate Program, School of Chemical and Bioengineering, Addis Ababa Institute of Technology Addis Ababa University Addis Ababa Ethiopia
- Department of Food Engineering, College of Biological and Chemical Engineering Addis Ababa Science and Technology University Addis Ababa Ethiopia
| | - Hanna Harmeling
- Advanced Food Research DIL German Institute of Food Technologies e.V Quakenbrück Germany
| | - Shimelis Admassu Emire
- Food Engineering Graduate Program, School of Chemical and Bioengineering, Addis Ababa Institute of Technology Addis Ababa University Addis Ababa Ethiopia
| | - Paulos Getachew Teshome
- Center for Food Science and Nutrition, College of Natural and Computational Sciences Addis Ababa University Addis Ababa Ethiopia
| | - Stefan Toepfl
- Advanced Food Research DIL German Institute of Food Technologies e.V Quakenbrück Germany
- Faculty of Agricultural Sciences and Landscape Architecture Osnabrück University of Applied Sciences Osnabrück Germany
| | - Kemal Aganovic
- Advanced Food Research DIL German Institute of Food Technologies e.V Quakenbrück Germany
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11
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Shu HY, Zhou H, Mu HL, Wu SH, Jiang YL, Yang Z, Hao YY, Zhu J, Bao WL, Cheng SH, Zhu GP, Wang ZW. Integrated Analysis of mRNA and Non-coding RNA Transcriptome in Pepper ( Capsicum chinense) Hybrid at Seedling and Flowering Stages. Front Genet 2021; 12:685788. [PMID: 34490032 PMCID: PMC8417703 DOI: 10.3389/fgene.2021.685788] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 07/26/2021] [Indexed: 01/22/2023] Open
Abstract
Pepper is an important vegetable in the world. In this work, mRNA and ncRNA transcriptome profiles were applied to understand the heterosis effect on the alteration in the gene expression at the seedling and flowering stages between the hybrid and its parents in Capsicum chinense. Our phenotypic data indicated that the hybrid has dominance in leaf area, plant scope, plant height, and fruit-related traits. Kyoto Encyclopedia of Genes and Genomes analysis showed that nine members of the plant hormone signal transduction pathway were upregulated in the seedling and flowering stages of the hybrid, which was supported by weighted gene coexpression network analysis and that BC332_23046 (auxin response factor 8), BC332_18317 (auxin-responsive protein IAA20), BC332_13398 (ethylene-responsive transcription factor), and BC332_27606 (ethylene-responsive transcription factor WIN1) were candidate hub genes, suggesting the important potential role of the plant hormone signal transduction in pepper heterosis. Furthermore, some transcription factor families, including bHLH, MYB, and HSF were greatly over-dominant. We also identified 2,525 long ncRNAs (lncRNAs), 47 micro RNAs (miRNAs), and 71 circle RNAs (circRNAs) in the hybrid. In particular, downregulation of miR156, miR169, and miR369 in the hybrid suggested their relationship with pepper growth vigor. Moreover, we constructed some lncRNA–miRNA–mRNA regulatory networks that showed a multi-dimension to understand the ncRNA relationship with heterosis. These results will provide guidance for a better understanding of the molecular mechanism involved in pepper heterosis.
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Affiliation(s)
- Huang-Ying Shu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - He Zhou
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Hai-Ling Mu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Shu-Hua Wu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Yi-Li Jiang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Zhuang Yang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Yuan-Yuan Hao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Jie Zhu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Wen-Long Bao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Shan-Han Cheng
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Guo-Peng Zhu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Zhi-Wei Wang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
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12
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Elmas C, Gezer C. Capsaicin and Its Effects on Body Weight. J Am Coll Nutr 2021; 41:831-839. [PMID: 34383610 DOI: 10.1080/07315724.2021.1962771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Capsaicin is a bioactive compound found in the fruits (i.e., peppers) of the plant genus Capsicum, which is widely used in many cultures. Besides many health effects of this compound, it can also be effective in body weight control through various mechanisms such as regulating lipolysis in adipocytes, increasing the feeling of satiety, stimulating energy expenditure, and reducing energy intake. This study investigated capsaicin and its effects on body weight control. In clinical studies, the amount of capsaicin affecting body weight loss differ. Longitudinal and randomized controlled studies are needed to explain the effects of capsaicin on body weight control.Key teaching points• Capsaicin can decrease hunger through hormones in the gastrointestinal tract.• Capsaicin can increase energy expenditure through brown adipose tissue.• Capsaicin can increase lipolysis in white adipose tissue.• More comprehensive studies are needed to clarify this issue.
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Affiliation(s)
- Cemre Elmas
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Eastern Mediterranean University, Famagusta, Turkey
| | - Ceren Gezer
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Eastern Mediterranean University, Famagusta, Turkey
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13
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Poonnakasem N. Effect of foaming and drying conditions on physicochemical properties and moisture kinetics of foam mat dried chili sauce powder during storage. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Transcriptome Analyses Throughout Chili Pepper Fruit Development Reveal Novel Insights into the Domestication Process. PLANTS 2021; 10:plants10030585. [PMID: 33808668 PMCID: PMC8003350 DOI: 10.3390/plants10030585] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/14/2021] [Accepted: 03/15/2021] [Indexed: 12/13/2022]
Abstract
Chili pepper (Capsicum spp.) is an important crop, as well as a model for fruit development studies and domestication. Here, we performed a time-course experiment to estimate standardized gene expression profiles with respect to fruit development for six domesticated and four wild chili pepper ancestors. We sampled the transcriptomes every 10 days from flowering to fruit maturity, and found that the mean standardized expression profiles for domesticated and wild accessions significantly differed. The mean standardized expression was higher and peaked earlier for domesticated vs. wild genotypes, particularly for genes involved in the cell cycle that ultimately control fruit size. We postulate that these gene expression changes are driven by selection pressures during domestication and show a robust network of cell cycle genes with a time shift in expression, which explains some of the differences between domesticated and wild phenotypes.
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15
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Pérez-Pastrana J, Testillano PS, Barany I, Canto-Flick A, Álvarez-López D, Pijeira-Fernández G, Avilés-Viñas SA, Peña-Yam L, Muñoz-Ramírez L, Nahuat-Dzib S, Islas-Flores I, Santana-Buzzy N. Endogenous auxin accumulation/localization during zygotic and somatic embryogenesis of Capsicum chinense Jacq. JOURNAL OF PLANT PHYSIOLOGY 2021; 258-259:153333. [PMID: 33581559 DOI: 10.1016/j.jplph.2020.153333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/20/2020] [Accepted: 11/21/2020] [Indexed: 06/12/2023]
Abstract
Zygotic and somatic embryogenesis in plants is a fascinating event that is finely regulated through the expression of a specific group of genes and dynamic levels of plant hormones whose concerted action determines the fate that specific cells follow towards zygotic or somatic embryo development. This work studied different stages of Capsicum chinense Jacq. zygotic and somatic embryogenesis. HPLC quantification determined that the levels of indole-3-acetic acid (IAA) increase as the zygotic or somatic embryogenesis progresses, being higher at maturity, thus supporting a positive correlation between embryo cell differentiation and IAA increase. A monoclonal anti-IAA-antibody was used to detect IAA levels. Findings revealed a dynamic pattern of auxin distribution along the different embryogenic embryonic stages. In the early stages of zygotic embryos, the IAA gradient was observed in the basal cells of the suspensor and the hypostases, suggesting that they are the initial source of the IAA hormone. As embryogenesis proceeds, the dynamic of the IAA gradient is displaced to the embryo and endosperm cells. In the case of induced somatic embryogenesis, the IAA gradient was detected in the dividing cells of the endodermis, from where pre-embryogenic cells emerge. However, the analysis of somatic embryos revealed that IAA was homogeneously distributed. This study shows evidence supporting a correlation between IAA levels during zygotic or somatic embryogenesis in Capsicum chinense species.
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Affiliation(s)
- Jacobo Pérez-Pastrana
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Pilar S Testillano
- Pollen biotechnology of crop plants group, Centro de Investigaciones Biológicas-CSIC, Ramiro Maeztu 9, 28040, Madrid, Spain
| | - Ivett Barany
- Pollen biotechnology of crop plants group, Centro de Investigaciones Biológicas-CSIC, Ramiro Maeztu 9, 28040, Madrid, Spain
| | - Adriana Canto-Flick
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Dulce Álvarez-López
- Unidad de Biotecnología, Centro de Investigación Científica de Yucatán, A.C. Calle 43 No. 130 x 32 y 34, colonia Chuburná de Hidalgo, C.P. 97200, Mérida, Yucatán, Mexico
| | - Gema Pijeira-Fernández
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Susana A Avilés-Viñas
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Laura Peña-Yam
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Liliana Muñoz-Ramírez
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico
| | - Sara Nahuat-Dzib
- Laboratorio de Biotecnología, Departamento Ingeniería Química-Bioquímica, TecNM/ Instituto Tecnológico de Mérida, Mexico
| | - Ignacio Islas-Flores
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico.
| | - Nancy Santana-Buzzy
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97205, Mérida, Yucatán, Mexico.
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16
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Rahman ZA, Seman ZA, Othman AN, Ab Ghaffar MB, Razak SA, Mohd Yusof MF, Nasir KH, Ahmad K, Chow YL, Subramaniam S. Efficient callus induction and plant regeneration of Malaysian indica rice MR219 using anther culture. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2020.101865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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GRIS TAINARA, PINHEIRO MARCOSV, THIESEN LEONARDOA, WEBLER ANDERSONR, JUNGES DIÉSSICAL, HOLZ EVANDRO, NAIBO IURI, BATISTA DIEGOS, OTONI WAGNERC, SCHMIDT DENISE. Light quality and sealing type affect in vitro growth and development of Capsicum frutescens cultivars. AN ACAD BRAS CIENC 2021. [DOI: 10.1590/0001-3765202120190061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- TAINARA GRIS
- Universidade Federal de Santa Catarina/UFSC, Brazil
| | | | | | | | | | - EVANDRO HOLZ
- Universidade Federal de Santa Maria/UFSM, Brazil
| | - IURI NAIBO
- Universidade Federal de Santa Maria/UFSM, Brazil
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18
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Li G, Zhou Z, Liang L, Song Z, Hu Y, Cui J, Chen W, Hu K, Cheng J. Genome-wide identification and analysis of highly specific CRISPR/Cas9 editing sites in pepper (Capsicum annuum L.). PLoS One 2020; 15:e0244515. [PMID: 33373406 PMCID: PMC7771699 DOI: 10.1371/journal.pone.0244515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/10/2020] [Indexed: 12/26/2022] Open
Abstract
The CRISPR/Cas9 system is an efficient genome editing tool that possesses the outstanding advantages of simplicity and high efficiency. Genome-wide identification and specificity analysis of editing sites is an effective approach for mitigating the risk of off-target effects of CRISPR/Cas9 and has been applied in several plant species but has not yet been reported in pepper. In present study, we first identified genome-wide CRISPR/Cas9 editing sites based on the ‘Zunla-1’ reference genome and then evaluated the specificity of CRISPR/Cas9 editing sites through whole-genome alignment. Results showed that a total of 603,202,314 CRISPR/Cas9 editing sites, including 229,909,837 (~38.11%) NGG-PAM sites and 373,292,477 (~61.89%) NAG-PAM sites, were detectable in the pepper genome, and the systematic characterization of their composition and distribution was performed. Furthermore, 29,623,855 highly specific NGG-PAM sites were identified through whole-genome alignment analysis. There were 26,699,38 (~90.13%) highly specific NGG-PAM sites located in intergenic regions, which was 9.13 times of the number in genic regions, but the average density in genic regions was higher than that in intergenic regions. More importantly, 34,251 (~96.93%) out of 35,336 annotated genes exhibited at least one highly specific NGG-PAM site in their exons, and 90.50% of the annotated genes exhibited at least 4 highly specific NGG- PAM sites, indicating that the set of highly specific CRISPR/Cas9 editing sites identified in this study was widely applicable and conducive to the minimization of the off-target effects of CRISPR/Cas9 in pepper.
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Affiliation(s)
- Guanliang Li
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Ziyan Zhou
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Lingrui Liang
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Zhao Song
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Yafei Hu
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Junjie Cui
- Department of Horticulture, College of Food Science and Engineering, Foshan University, Foshan, Guangdong, China
| | - Weili Chen
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Kailin Hu
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
| | - Jiaowen Cheng
- College of Horticulture, South China Agricultural University, Guangzhou, China
- South China Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Guangzhou, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China), Ministry of Agriculture and Rural Affairs, Guangzhou, China
- * E-mail:
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19
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Chandel C, Sharma VK, Rana PS, Dabral M, Aggrawal S, Saklani P. Assessment of antimicrobial and antioxidant potential of cytoplasmic male sterile lines of pepper. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2902-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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20
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Bidabadi SS, Jain SM. Cellular, Molecular, and Physiological Aspects of In Vitro Plant Regeneration. PLANTS 2020; 9:plants9060702. [PMID: 32492786 PMCID: PMC7356144 DOI: 10.3390/plants9060702] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 02/07/2023]
Abstract
Plants generally have the highest regenerative ability because they show a high degree of developmental plasticity. Although the basic principles of plant regeneration date back many years, understanding the cellular, molecular, and physiological mechanisms based on these principles is currently in progress. In addition to the significant effects of some factors such as medium components, phytohormones, explant type, and light on the regeneration ability of an explant, recent reports evidence the involvement of molecular signals in organogenesis and embryogenesis responses to explant wounding, induced plant cell death, and phytohormones interaction. However, some cellular behaviors such as the occurrence of somaclonal variations and abnormalities during the in vitro plant regeneration process may be associated with adverse effects on the efficacy of plant regeneration. A review of past studies suggests that, in some cases, regeneration in plants involves the reprogramming of distinct somatic cells, while in others, it is induced by the activation of relatively undifferentiated cells in somatic tissues. However, this review covers the most important factors involved in the process of plant regeneration and discusses the mechanisms by which plants monitor this process.
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Affiliation(s)
- Siamak Shirani Bidabadi
- Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran;
| | - S. Mohan Jain
- Department of Agricultural Sciences, University of Helsinki, PL-27 Helsinki, Finland
- Correspondence:
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21
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Yoon YJ, Venkatesh J, Lee JH, Kim J, Lee HE, Kim DS, Kang BC. Genome Editing of eIF4E1 in Tomato Confers Resistance to Pepper Mottle Virus. FRONTIERS IN PLANT SCIENCE 2020. [PMID: 32849681 DOI: 10.3398/fpls.2020.01098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Many of the recessive virus-resistance genes in plants encode eukaryotic translation initiation factors (eIFs), including eIF4E, eIF4G, and related proteins. Notably, eIF4E and its isoform eIF(iso)4E are pivotal for viral infection and act as recessive resistance genes against various potyviruses in a wide range of plants. In this study, we used Clustered Regularly Interspaced Palindromic Repeats/CRISPR-associated protein 9 (CRISPR/Cas9)-mediated targeted mutagenesis to test whether novel sequence-specific mutations at eIF4E1 in Solanum lycopersicum (tomato) cv. Micro-Tom could confer enhanced resistance to potyviruses. This approach produced heritable homozygous mutations in the transgene-free E1 generation. Sequence analysis of eIF4E1 from E0 transgenic plants expressing Cas9 and eIF4E-sgRNA transcripts identified chimeric deletions ranging from 11 to 43 bp. Genotype analysis of the eIF4E1-edited lines in E0, E1, and E2 transgenic tomato plants showed that the mutations were transmitted to subsequent generations. When homozygous mutant lines were tested for resistance to potyviruses, they exhibited no resistance to tobacco etch virus (TEV). Notably, however, several mutant lines showed no accumulation of viral particles upon infection with pepper mottle virus (PepMoV). These results indicate that site-specific mutation of tomato eIF4E1 successfully conferred enhanced resistance to PepMoV. Thus, this study demonstrates the feasibility of the use of CRISPR/Cas9 approach to accelerate breeding for trait improvement in tomato plants.
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Affiliation(s)
- Yoo-Joung Yoon
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Jelli Venkatesh
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Joung-Ho Lee
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Jinhee Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Hye-Eun Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Do-Sun Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Byoung-Cheorl Kang
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
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22
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Sun M, Voorrips RE, van Kaauwen M, Visser RGF, Vosman B. The ability to manipulate ROS metabolism in pepper may affect aphid virulence. HORTICULTURE RESEARCH 2020; 7:6. [PMID: 31908809 PMCID: PMC6938493 DOI: 10.1038/s41438-019-0231-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/13/2019] [Accepted: 12/04/2019] [Indexed: 05/14/2023]
Abstract
Myzus persicae has severe economic impact on pepper (Capsicum) cultivation. Previously, we identified two populations of M. persicae, NL and SW, that were avirulent and virulent, respectively on C. baccatum accession PB2013071. The transcriptomics approach used in the current study, which is the first study to explore the pepper-aphid interaction at the whole genome gene expression level, revealed genes whose expression is differentially regulated in pepper accession PB2013071 upon infestation with these M. persicae populations. The NL population induced ROS production genes, while the SW population induced ROS scavenging genes and repressed ROS production genes. We also found that the SW population can induce the removal of ROS which accumulated in response to preinfestion with the NL population, and that preinfestation with the SW population significantly improved the performance of the NL population. This paper supports the hypothesis that M. persicae can overcome the resistance in accession PB2013071 probably because of its ability to manipulate plant defense response especially the ROS metabolism and such ability may benefit avirulent conspecific aphids.
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Affiliation(s)
- Mengjing Sun
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, Netherlands
| | - Roeland E. Voorrips
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, Netherlands
| | - Martijn van Kaauwen
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, Netherlands
| | - Richard G. F. Visser
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, Netherlands
| | - Ben Vosman
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, Netherlands
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Yoon YJ, Venkatesh J, Lee JH, Kim J, Lee HE, Kim DS, Kang BC. Genome Editing of eIF4E1 in Tomato Confers Resistance to Pepper Mottle Virus. FRONTIERS IN PLANT SCIENCE 2020; 11:1098. [PMID: 32849681 PMCID: PMC7396686 DOI: 10.3389/fpls.2020.01098] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/03/2020] [Indexed: 05/07/2023]
Abstract
Many of the recessive virus-resistance genes in plants encode eukaryotic translation initiation factors (eIFs), including eIF4E, eIF4G, and related proteins. Notably, eIF4E and its isoform eIF(iso)4E are pivotal for viral infection and act as recessive resistance genes against various potyviruses in a wide range of plants. In this study, we used Clustered Regularly Interspaced Palindromic Repeats/CRISPR-associated protein 9 (CRISPR/Cas9)-mediated targeted mutagenesis to test whether novel sequence-specific mutations at eIF4E1 in Solanum lycopersicum (tomato) cv. Micro-Tom could confer enhanced resistance to potyviruses. This approach produced heritable homozygous mutations in the transgene-free E1 generation. Sequence analysis of eIF4E1 from E0 transgenic plants expressing Cas9 and eIF4E-sgRNA transcripts identified chimeric deletions ranging from 11 to 43 bp. Genotype analysis of the eIF4E1-edited lines in E0, E1, and E2 transgenic tomato plants showed that the mutations were transmitted to subsequent generations. When homozygous mutant lines were tested for resistance to potyviruses, they exhibited no resistance to tobacco etch virus (TEV). Notably, however, several mutant lines showed no accumulation of viral particles upon infection with pepper mottle virus (PepMoV). These results indicate that site-specific mutation of tomato eIF4E1 successfully conferred enhanced resistance to PepMoV. Thus, this study demonstrates the feasibility of the use of CRISPR/Cas9 approach to accelerate breeding for trait improvement in tomato plants.
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Affiliation(s)
- Yoo-Joung Yoon
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Jelli Venkatesh
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Joung-Ho Lee
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Jinhee Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Hye-Eun Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Do-Sun Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, RDA, Jeonju-si, South Korea
| | - Byoung-Cheorl Kang
- Department of Plant Science and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
- *Correspondence: Byoung-Cheorl Kang,
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Perez AL, Martins EF, Venzon M. Biology and host selection stage of Symmetrischema dulce Povolny (Lepidoptera: Gelechiidae) in chili pepper. NEOTROPICAL ENTOMOLOGY 2019; 48:772-778. [PMID: 31123942 DOI: 10.1007/s13744-019-00695-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 04/26/2019] [Indexed: 06/09/2023]
Abstract
The pepper-fruit-borer Symmetrischema dulce Povolny (Lepidoptera: Gelechiidae) is an important chili pepper pest causing significant yield losses. However, chili pepper has insufficient crop protection support and primary information about S. dulce is scarce. In the present study, we aimed to study the biology and ecology of S. dulce in pepper plants (Capsicum frutescens L.) focusing to support integrated pest management programs. In the field, we sampled ripe and unripe chili pepper fruits in three different plant strata. In the laboratory, we established colonies of the S. dulce and we recorded the duration, viability, morphology of each life stage, and number of larval instars. We conducted experiments to evaluate insect reproduction, whereby we registered the pre-oviposition and oviposition period, daily oviposition rate, and sex ratio. From these results, we estimated the reproductive success of S. dulce through the intrinsic population growth rate. The higher occurrence of S. dulce was in unripe fruits with no difference between plant strata. Egg stage lasted 4 days with 94% viability, and larval phase lasted on average 10.72 days and presented four instars with viability of 66.6%. Pupal stage lasted 9.61 days with viability of 94.73%. The adult stage lasted 24.14 days with a pre-oviposition period of 3 days and oviposition period of 13.85 days. The intrinsic growth rate (rm) recorded was 0.0035. Our results suggest that the biology of S. dulce has similarities with other Lepidoptera, but its peculiarities in reproductive parameters are essential for future programs of pest management.
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Affiliation(s)
- A L Perez
- Dept of Entomology, Univ Federal de Viçosa, Viçosa, MG, Brasil
| | - E F Martins
- Dept of Entomology, Univ Federal de Viçosa, Viçosa, MG, Brasil
| | - M Venzon
- Agriculture and Livestock Research Enterprise of Minas Gerais (EPAMIG), Viçosa, MG, Brasil.
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Gupta V, Jatav PK, Haq SU, Verma KS, Kaul VK, Kothari SL, Kachhwaha S. Translation initiation codon (ATG) or SCoT markers-based polymorphism study within and across various Capsicum accessions: insight from their amplification, cross-transferability and genetic diversity. J Genet 2019. [DOI: 10.1007/s12041-019-1095-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Kota S, Lakkam R, Kasula K, Narra M, Qiang H, Rao Allini V, Zanmin H, Abbagani S. Construction of a species-specific vector for improved plastid transformation efficiency in Capsicum annuum L. 3 Biotech 2019; 9:226. [PMID: 31139541 DOI: 10.1007/s13205-019-1747-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/08/2019] [Indexed: 11/26/2022] Open
Abstract
In the present study, we focused on designing a species-specific chloroplast vector for Capsicum annuum L. and finding out its transformation efficiency compared to a heterologous vector. The plastid transformation vector (CaIA) was designed to target homologous regions trnA and trnI of IR region. A selectable marker gene aadA, whose expression is controlled by psbA promoter and terminator, was cloned between two flanking regions. A heterologous vector pRB95, which targets trnfM and trnG of LSC region along with aadA driven by rrn promoter and psbA terminator, was also used for developing plastid transformation in Capsicum. Cotyledonary explants were bombarded with stabilized biolistic parameters: 900 psi pressure and 9 cm flight distance, and optimized regeneration protocol (0.7 mg/L TDZ + 0.2 mg/L IAA) was used to obtain transplastomic lines on selection medium (300 mg/L spectinomycin). The aadA integration and homoplasmy were confirmed by obtaining 1.2 and 3.7 kb amplicons in CaIA transformants and subsequently verified by Southern blotting, whereas in pRB95 transformants, integration was confirmed by PCR with 1.45 kb and 255 bp amplicons corresponding to aadA integration and flanks, respectively. The transformation efficiencies attained with two plastid vectors were found to be 20%, i.e., 10 transplastomic lines in 50 bombarded plates, with CaIA and 2%, i.e., 1 transplastomic line in 50 bombarded plates, with heterologous pRB95, respectively.
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Affiliation(s)
- Srinivas Kota
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
- 2Institute of Genetics and Developmental Biology, Beijing, China
| | - Raghuvardhan Lakkam
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
| | - Kirnamayee Kasula
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
- 3Department of Biotechnology, Telangana University, Nizamabad, Telangana 503322 India
| | - Muralikrishna Narra
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
| | - Hao Qiang
- 2Institute of Genetics and Developmental Biology, Beijing, China
| | - V Rao Allini
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
| | - Hu Zanmin
- 2Institute of Genetics and Developmental Biology, Beijing, China
| | - Sadanandam Abbagani
- 1Plant Biotechnology Research Unit, Department of Biotechnology, Kakatiya University, Warangal, Telangana 506009 India
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Enhancement of capsaicinoids in vitro production by abiotic elicitors in placenta-derived callus of Capsicum annuum L. Tunisian var. ‘Baklouti Medenine’. Biologia (Bratisl) 2019. [DOI: 10.2478/s11756-019-00237-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Naves ER, de Ávila Silva L, Sulpice R, Araújo WL, Nunes-Nesi A, Peres LEP, Zsögön A. Capsaicinoids: Pungency beyond Capsicum. TRENDS IN PLANT SCIENCE 2019; 24:109-120. [PMID: 30630668 DOI: 10.1016/j.tplants.2018.11.001] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 10/22/2018] [Accepted: 11/09/2018] [Indexed: 05/08/2023]
Abstract
Capsaicinoids are metabolites responsible for the appealing pungency of Capsicum (chili pepper) species. The completion of the Capsicum annuum genome has sparked new interest into the development of biotechnological applications involving the manipulation of pungency levels. Pungent dishes are already part of the traditional cuisine in many countries, and numerous health benefits and industrial applications are associated to capsaicinoids. This raises the question of how to successfully produce more capsaicinoids, whose biosynthesis is strongly influenced by genotype-environment interactions in fruits of Capsicum. In this Opinion article we propose that activating the capsaicinoid biosynthetic pathway in a more amenable species such as tomato could be the next step in the fascinating story of pungent crops.
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Affiliation(s)
- Emmanuel Rezende Naves
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Lucas de Ávila Silva
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Ronan Sulpice
- Plant Systems Biology Laboratory, Plant and AgriBiosciences Research Centre (PABC) and Ryan Institute, National University of Ireland Galway, Galway H91 TK33, Ireland
| | - Wagner L Araújo
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil; Max-Planck Partner Group at the Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Adriano Nunes-Nesi
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Lázaro E P Peres
- Departamento de Ciências Biológicas, Escola Superior de Agricultura 'Luiz de Queiroz', Universidade de São Paulo, 13418-900 Piracicaba, SP, Brazil
| | - Agustin Zsögön
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa, MG, Brazil.
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29
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Kim H, Lim J. Leaf-induced callus formation in two cultivars: hot pepper 'CM334' and bell pepper 'Dempsey'. PLANT SIGNALING & BEHAVIOR 2019; 14:1604016. [PMID: 30983498 PMCID: PMC6619979 DOI: 10.1080/15592324.2019.1604016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Pepper (Capsicum annuum), one of the most economically important vegetables of the Solanaceae family, is cultivated worldwide. To apply versatile genome-editing tools to a pepper genome for precise molecular breeding, an in vitro regeneration protocol is indispensable and callus formation is an essential step in the regeneration of pepper. Here, we show that calli were successfully induced from young leaves (3-4 cm) of pepper plants, the hot pepper C. annum 'CM334' ('CM334') and bell pepper C. annum 'Dempsey' ('Dempsey'), grown on soil for less than 7 weeks. The excised leaf segments of 'CM334' produced white calli in B5 medium containing 3% sucrose (3S), 2 mg/L 6-benzylaminopurine (2BAP), and 1 mg/L α-naphthalene acetic acid (1NAA). The calli were able to proliferate in B5 3S 2BAP medium supplemented with 2-morpholinoethanesulphonic acid (MES) and 1.5 mg/L NAA (1.5NAA). The excised leaf segments of 'Dempsey' produced light-yellow and friable calli in MS medium supplemented with B5 vitamins (MSB5), 3S and 1 mg/L 2,4-dichlorophenoxyacetic acid (1 2,4D), and the calli were also maintained in the same medium. Our findings establish the conditions for leaf-derived callus formation, which is the basis for regeneration of whole plants for two different pepper cultivars, for obtaining stable protoplasts, and eventually for applying genome-editing tools to improve the quality of peppers.
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Affiliation(s)
- Hyeran Kim
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea
- CONTACT Hyeran Kim Department of Biological Sciences, Kangwon National University, Kangwondaehak-gil 1, Chuncheon 24341, South Korea
| | - Jongseok Lim
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea
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Heidari-Zefreh AA, Shariatpanahi ME, Mousavi A, Kalatejari S. Enhancement of microspore embryogenesis induction and plantlet regeneration of sweet pepper (Capsicum annuum L.) using putrescine and ascorbic acid. PROTOPLASMA 2019; 256:13-24. [PMID: 29922944 DOI: 10.1007/s00709-018-1268-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 05/22/2018] [Indexed: 05/18/2023]
Abstract
Production of doubled haploid (DH) plants is an efficient tool in genetic and plant breeding programs; however, sweet pepper (Capsicum annuum L.) is recalcitrant to microspore embryogenesis and DH production. Trying to break the barrier of DH production, three independent experiments were conducted on microspore embryogenesis of sweet pepper. In the first experiment, the effect of cold (4 °C) and heat (32 °C) pretreatments were investigated on microspore embryogenesis of three genotypes of sweet pepper including "Inspiration F1," "Maratus F1," and "Magno F1" cultivars in a factorial design with three replications. Heat shock (32 °C for 7 days), applied to mannitol-starved anthers of "Inspiration F1," showed higher multinuclear microspore percent, number of multicellular structures, total embryos, cotyledonary embryos, and regenerants. In the second experiment, the effect of different concentrations of putrescine (0, 0.5, 1, 2, and 5 mg l-1) was evaluated on microspore embryogenesis of the three aforementioned cultivars of sweet pepper. The highest mean number of multicellular structures, cotyledonary embryos, and regenerants were achieved by applying 0.5-1 mg l-1 putrescine during the mannitol starvation and heat shock (32 °C) treatments of isolated microspore culture of "Inspiration F1" cultivar. Significant decrease in microspore embryogenesis efficiency was observed when high levels of putrescine (2 and 5 mg l-1) were used. Microspore embryogenesis was prevented completely at 5.0 mg l-1 putrescine. In the third experiment, the effect of different concentrations of ascorbic acid (0, 20, 50, 100, and 200 mg l-1) was investigated and the results showed that the application of ascorbic acid (20 and 50 mg l-1) during mannitol starvation and heat shock treatment (32 °C) caused remarkable improvement in the number of produced cotyledonary embryos and their regeneration ability compared to control treatment. However, the application of higher levels of ascorbic acid (100 and 200 mg l-1) inhibited microspore cell divisions and embryogenesis. In conclusion, the results indicated that both putrescine and ascorbic acid have significant effect on microspore embryogenesis efficiency of sweet pepper when they are used in appropriate concentrations.
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Affiliation(s)
- Ali Akbar Heidari-Zefreh
- Department of Horticultural Science, College of Agricultural Science and Natural Resources, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
- Department of Tissue and Cell Culture, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Mahdasht Road, P. O. Box 31535-1897, Karaj, Iran
| | - Mehran E Shariatpanahi
- Department of Tissue and Cell Culture, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Mahdasht Road, P. O. Box 31535-1897, Karaj, Iran.
| | - Amir Mousavi
- Department of Molecular Plant Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Sepideh Kalatejari
- Department of Horticultural Science, College of Agricultural Science and Natural Resources, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
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31
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Koeda S, Sato K, Saito H, Nagano AJ, Yasugi M, Kudoh H, Tanaka Y. Mutation in the putative ketoacyl-ACP reductase CaKR1 induces loss of pungency in Capsicum. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2019; 132:65-80. [PMID: 30267113 DOI: 10.1007/s00122-018-3195-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 09/20/2018] [Indexed: 05/13/2023]
Abstract
A putative ketoacyl-ACP reductase (CaKR1) that was not previously known to be associated with pungency of Capsicum was identified from map-based cloning and functional characterization. The pungency of chili pepper fruits is due to the presence of capsaicinoids, which are synthesized through the convergence of the phenylpropanoid and branched-chain fatty acid pathways. The extensive, global use of pungent and non-pungent peppers underlines the importance of understanding the genetic mechanism underlying capsaicinoid biosynthesis for breeding pepper cultivars. Although Capsicum is one of the earliest domesticated plant genera, the only reported genetic causes of its loss of pungency are mutations in acyltransferase (Pun1) and putative aminotransferase (pAMT). In this study, a single recessive gene responsible for the non-pungency of pepper No.3341 (C. chinense) was identified on chromosome 10 using an F2 population derived from a cross between Habanero and No.3341. Five candidate genes were identified in the target region, within a distance of 220 kb. A candidate gene, a putative ketoacyl-ACP reductase (CaKR1), of No.3341 had an insertion of a 4.5-kb transposable element (TE) sequence in the first intron, resulting in the production of a truncated transcript missing the region coding the catalytic domain. Virus-induced gene silencing of CaKR1 in pungent peppers resulted in the decreased accumulation of capsaicinoids, a phenotype consistent with No.3341. Moreover, GC-MS analysis of 8-methyl-6-nonenoic acid, which is predicted to be synthesized during the elongation cycle of branched-chain fatty acid biosynthesis, revealed that its deficiency in No.3341. Genetic, genomic, transcriptional, silencing, and biochemical precursor analyses performed in combination provide a solid ground for the conclusion that CaKR1 is involved in capsaicinoid biosynthesis and that its disruption results in a loss of pungency.
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Affiliation(s)
- Sota Koeda
- Faculty of Agriculture, Kindai University, Nara, Nara, 631-8505, Japan.
- Experimental Farm, Graduate School of Agriculture, Kyoto University, Kizugawa, Kyoto, 619-0218, Japan.
| | - Kosuke Sato
- Experimental Farm, Graduate School of Agriculture, Kyoto University, Kizugawa, Kyoto, 619-0218, Japan
| | - Hiroki Saito
- Experimental Farm, Graduate School of Agriculture, Kyoto University, Kizugawa, Kyoto, 619-0218, Japan
- Tropical Agriculture Research Front, Japan International Research Center for Agricultural Sciences, Ishigaki, Okinawa, 907-0002, Japan
| | - Atsushi J Nagano
- Faculty of Agriculture, Ryukoku University, Otsu, Shiga, 520-2914, Japan
| | - Masaki Yasugi
- Faculty of Engineering, Utsunomiya University, Utsunomiya, Tochigi, 321-8585, Japan
| | - Hiroshi Kudoh
- Center for Ecological Research, Kyoto University, Otsu, Shiga, 520-2113, Japan
| | - Yoshiyuki Tanaka
- Graduate School of Environmental and Life Science, Okayama University, Okayama, 700-8530, Japan
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Costa NLB, Carvalho CR, Clarindo WR. Improved Procedures to Assess Plant Protoplast Viability: Evidencing Cytological and Genomic Damage. CYTOLOGIA 2018. [DOI: 10.1508/cytologia.83.397] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Natália Layane Badaró Costa
- Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Viçosa
| | - Carlos Roberto Carvalho
- Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Viçosa
| | - Wellington Ronildo Clarindo
- Laboratório de Citogenética, Departamento de Biologia, Campus de Alegre, Universidade Federal do Espírito Santo
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Čanigová M, Kaločaiová V, Remeňová Z, Ducková V, Kročko M, Nagyová Ľ. Changes in chosen properties of soft cheeses with chilli pepper during storage. POTRAVINARSTVO 2018. [DOI: 10.5219/971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The aim of this study was to evaluate chosen physicochemical and sensory properties of soft cheeses with addition of chilli peppers Fatalii. These samples were packed into plastic vacuum packages and analysed during 14 days of storage at cooling temperature (6 ±1 °C). Within the physicochemical properties, dry matter content, fat content, moisture in fat-free-substance, fat in dry matter and pH values were determined. Physicochemical analyzes, except pH value measure, were carried out only on the 1th day following the cheeses production. Textural properties hardness and stickiness were measured by the texture analyser. Within the sensory properties, consistency (hard, spreadable and friable) and taste (salty and spicy) were evaluated. Measurements of pH value, textural and sensory analysis were carried out on the 1st, 7th and 14th day of storage. All of cheese samples were classified as full-fat (FDM 48.21%) soft (MFFS 71.92%) cheeses. Their pH values decreased during 14 days of storage. The hardness of cheese samples decreased (p ˂0.05), while their stickiness statistic significantly increased during storage. From the view of sensory evaluation, the hard consistency of cheeses statistic significantly decreased and the spreadable consistency increased (p ˂0.05) during storage. The changes of friable consistency were no statistic significant. During storage of cheese samples were observed statistic significantly increase in the spicy taste and statistic significantly decrease in the salty taste.
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Barrios PL, Vázquez-Salas RA, López-Carrillo L, Menezes-Filho JA, Torres-Sánchez L. Dietary determinants of urinary molybdenum levels in Mexican women: a pilot study. SALUD PUBLICA DE MEXICO 2018; 59:548-555. [PMID: 29267652 DOI: 10.21149/8162] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 05/24/2017] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE This study determined the main dietary sources of urinary molybdenum (Mo) concentrations in a sample of 124 pregnant women in Mexico. MATERIALS AND METHODS Dietary data was collected during pregnancy, through a semi-qualitative food frequency questionnaire, with information of 84 foods. Urine Mo levels were determined by atomic absorption spectrometry, for at least two trimesters of pregnancy. The associations with Mo levels were estimated by generalized mixed effect regression models. RESULTS Between 5.8 to 12.7% of the samples were above the 95th percentile of urinary Mo distribution reported by National Health and Nutrition Examination Survey (NHANES) 2009-2010 for women (151 μg/L and 148 μg/g creatinine). After bootstrap resampling was conducted, women with high-consumption of hot peppers (β=1.34μg/g; 95% CI: 1.00-1.80; p= 0.05) had marginally higher urinary Mo concentration levels, creatinine adjusted, compared to women with low-consumption. CONCLUSION. Hot chili pepper consumption may contribute to body burden Mo levels in this population.
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Affiliation(s)
- Pamela L Barrios
- International Training and Research in Environmental and Occupational Health Program Department of Preventive Medicine, Mount Sinai School of Medicine,. New York, USA.,Department of Nutritional Sciences, Rutgers University. New Jersey, USA
| | | | | | - José A Menezes-Filho
- Laboratory of Toxicology, College of Pharmacy, Federal University of Bahia. Salvador, Bahia, Brazil
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Chee MJY, Lycett GW, Chin CF. Development of a direct transformation method by GFP screening and in vitro whole plant regeneration of Capsicum frutescens L. ELECTRON J BIOTECHN 2018. [DOI: 10.1016/j.ejbt.2018.05.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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36
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Sun M, Voorrips RE, Steenhuis-Broers G, van’t Westende W, Vosman B. Reduced phloem uptake of Myzus persicae on an aphid resistant pepper accession. BMC PLANT BIOLOGY 2018; 18:138. [PMID: 29945550 PMCID: PMC6020309 DOI: 10.1186/s12870-018-1340-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 06/04/2018] [Indexed: 05/24/2023]
Abstract
BACKGROUND The green peach aphid (GPA), Myzus persicae, is economically one of the most threatening pests in pepper cultivation, which not only causes direct damage but also transmits many viruses. Breeding aphid resistant pepper varieties is a promising and environmentally friendly method to control aphid populations in the field and in the greenhouse. Until now, no strong sources of resistance against the GPA have been identified. Therefore the main aims of this study were to identify pepper materials with a good level of resistance to GPA and to elucidate possible resistance mechanisms. RESULTS We screened 74 pepper accessions from different geographical areas for resistance to M. persicae. After four rounds of evaluation we identified one Capsicum baccatum accession (PB2013071) as highly resistant to M. persicae, while the accessions PB2013062 and PB2012022 showed intermediate resistance. The resistance of PB2013071 resulted in a severely reduced uptake of phloem compared to the susceptible accession, as determined by Electrical Penetration Graph (EPG) studies. Feeding of M. persicae induced the expression of callose synthase genes and resulted in callose deposition in the sieve elements in resistant, but not in susceptible plants. CONCLUSIONS Three aphid resistant pepper accessions were identified, which will be important for breeding aphid resistant pepper varieties in the future. The most resistant accession PB2013071 showed phloem-based resistance against aphid infestation.
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Affiliation(s)
- Mengjing Sun
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
| | - Roeland E. Voorrips
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
| | - Greet Steenhuis-Broers
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
| | - Wendy van’t Westende
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
| | - Ben Vosman
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
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Ortega JL, Rajapakse W, Bagga S, Apodaca K, Lucero Y, Sengupta-Gopalan C. An intragenic approach to confer glyphosate resistance in chile (Capsicum annuum) by introducing an in vitro mutagenized chile EPSPS gene encoding for a glyphosate resistant EPSPS protein. PLoS One 2018; 13:e0194666. [PMID: 29649228 PMCID: PMC5896900 DOI: 10.1371/journal.pone.0194666] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 03/07/2018] [Indexed: 11/24/2022] Open
Abstract
Chile pepper (Capsicum annuum) is an important high valued crop worldwide, and when grown on a large scale has problems with weeds. One important herbicide used is glyphosate. Glyphosate inactivates the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), a key enzyme in the synthesis of aromatic amino acids. A transgenic approach towards making glyphosate resistant plants, entails introducing copies of a gene encoding for glyphosate-resistant EPSPS enzyme into the plant. The main objective of our work was to use an intragenic approach to confer resistance to glyphosate in chile which would require using only chile genes for transformation including the selectable marker. Tobacco was used as the transgenic system to identify different gene constructs that would allow for the development of the intragenic system for chile, since chile transformation is inefficient. An EPSPS gene was isolated from chile and mutagenized to introduce substitutions that are known to make the encoded enzyme resistant to glyphosate. The promoter for EPSPS gene was isolated from chile and the mutagenized chile EPSPS cDNA was engineered behind both the CaMV35S promoter and the EPSPS promoter. The leaves from the transformants were checked for resistance to glyphosate using a cut leaf assay. In tobacco, though both gene constructs exhibited some degree of resistance to glyphosate, the construct with the CaMV35S promoter was more effective and as such chile was transformed with this gene construct. The chile transformants showed resistance to low concentrations of glyphosate. Furthermore, preliminary studies showed that the mutated EPSPS gene driven by the CaMV35S promoter could be used as a selectable marker for transformation. We have shown that an intragenic approach can be used to confer glyphosate-resistance in chile. However, we need a stronger chile promoter and a mutated chile gene that encodes for a more glyphosate resistant EPSPS protein.
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Affiliation(s)
- Jose Luis Ortega
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
| | - Wathsala Rajapakse
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
| | - Suman Bagga
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
| | - Kimberly Apodaca
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
| | - Yvonne Lucero
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
| | - Champa Sengupta-Gopalan
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, New Mexico, United States of America
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Fidemann T, de Araujo Pereira GA, Bossard Nascimento L, Moraes MC, Bertão MR, da Silva RMG, Fernández Núñez EG. Holistic protocol for callus culture optimization using statistical modelling. Nat Prod Res 2017; 32:1109-1117. [PMID: 28956460 DOI: 10.1080/14786419.2017.1380026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Plants endue a key role against illnesses caused by oxidative stress. These attributes are frequently associated with polyphenolic compounds. However, presence and concentration of secondary metabolites are affected by abiotic factors. The in vitro culture techniques can solve these drawbacks. Peppers can be a suitable alternative to obtain polyphenols. Aiming to optimise the callus culture stage from Capsicum baccatum to produce polyphenols, this work evaluated systemically the effects of the explant's origin (root, hypocotyl and cotyledon), growth hormone type (2,4-dichlorophenoxyacetic acid (2,4-D), benzylaminopurine (BAP) and a combination of 2,4-D/BAP at five-to-one ratio) and concentration (0.023-10.000 mg L-1) on callus culture efficiency parameters using a multilevel factorial design. The root explant in combination with BAP at 1.138 mg L-1 ensured the optimal values of the assessed responses; callus mass (225.03 mg), antioxidant activity (35.95%), total phenols (11.48 mg of GAE/g DE) and flavonoids (15.92 mg of RU/g DE) production.
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Affiliation(s)
- Tiago Fidemann
- a Faculdade de Ciências e Letras, Departamento de Biotecnologia , Universidade Estadual Paulista (UNESP) , Assis , Brazil
| | | | - Lia Bossard Nascimento
- a Faculdade de Ciências e Letras, Departamento de Biotecnologia , Universidade Estadual Paulista (UNESP) , Assis , Brazil
| | - Milena Cristina Moraes
- a Faculdade de Ciências e Letras, Departamento de Biotecnologia , Universidade Estadual Paulista (UNESP) , Assis , Brazil
| | - Mônica Rosa Bertão
- a Faculdade de Ciências e Letras, Departamento de Biotecnologia , Universidade Estadual Paulista (UNESP) , Assis , Brazil
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Parmar N, Singh KH, Sharma D, Singh L, Kumar P, Nanjundan J, Khan YJ, Chauhan DK, Thakur AK. Genetic engineering strategies for biotic and abiotic stress tolerance and quality enhancement in horticultural crops: a comprehensive review. 3 Biotech 2017; 7:239. [PMID: 28702937 PMCID: PMC5507805 DOI: 10.1007/s13205-017-0870-y] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 07/02/2017] [Indexed: 11/28/2022] Open
Abstract
Genetic engineering technique offers myriads of applications in improvement of horticultural crops for biotic and abiotic stress tolerance, and produce quality enhancement. During last two decades, a large number of transgenic horticultural crops has been developed and more are underway. A number of genes including natural and synthetic Cry genes, protease inhibitors, trypsin inhibitors and cystatin genes have been used to incorporate insect and nematode resistance. For providing protection against fungal and bacterial diseases, various genes like chitinase, glucanase, osmotin, defensin and pathogenesis-related genes are being transferred to many horticultural crops world over. RNAi technique has been found quite successful in inducing virus resistance in horticultural crops in addition to coat protein genes. Abiotic stresses such as drought, heat and salinity adversely affect production and productivity of horticultural crops and a number of genes encoding for biosynthesis of stress protecting compounds including mannitol, glycine betaine and heat shock proteins have been employed for abiotic stress tolerance besides various transcription factors like DREB1, MAPK, WRKY, etc. Antisense gene and RNAi technologies have revolutionized the pace of improvement of horticultural crops, particularly ornamentals for color modification, increasing shelf-life and reducing post-harvest losses. Precise genome editing tools, particularly CRISPR/Cas9, have been efficiently applied in tomato, petunia, citrus, grape, potato and apple for gene mutation, repression, activation and epigenome editing. This review provides comprehensive overview to draw the attention of researchers for better understanding of genetic engineering advancements in imparting biotic and abiotic stress tolerance as well as on improving various traits related to quality, texture, plant architecture modification, increasing shelf-life, etc. in different horticultural crops.
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Affiliation(s)
- Nehanjali Parmar
- Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan, HP, 173 230, India.
| | | | - Deepika Sharma
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, Rajasthan, 321 303, India
| | - Lal Singh
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, Rajasthan, 321 303, India
| | - Pankaj Kumar
- National Institute of Plant Genome Research, New Delhi, 110 067, India
| | - J Nanjundan
- ICAR-Indian Agricultural Research Institute, Regional Station, Wellington, The Nilgiris, Tamilnadu, 643 231, India
| | - Yasin Jeshima Khan
- Division of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, PUSA Campus, New Delhi, 110 012, India
| | - Devendra Kumar Chauhan
- Division of Plant Breeding and Genetics, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Chatha, Jammu, J&K, 180 009, India
| | - Ajay Kumar Thakur
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, Rajasthan, 321 303, India
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Shivakumara TN, Sreevathsa R, Dash PK, Sheshshayee MS, Papolu PK, Rao U, Tuteja N, UdayaKumar M. Overexpression of Pea DNA Helicase 45 (PDH45) imparts tolerance to multiple abiotic stresses in chili (Capsicum annuum L.). Sci Rep 2017; 7:2760. [PMID: 28584274 PMCID: PMC5459802 DOI: 10.1038/s41598-017-02589-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 04/12/2017] [Indexed: 11/09/2022] Open
Abstract
Imparting tolerance to abiotic stresses is of global importance as they inflict significant yield losses in field as well as in vegetable crops. Transcriptional activators, including helicases are identified to play a pivotal role in stress mitigation. Helicases, also known as molecular motors, are involved in myriad cellular processes that impart intrinsic tolerance to abiotic stresses in plants. Our study demonstrates the potential of a Pea DNA Helicase 45 (PDH45), in combating multiple abiotic stresses in chili. We harnessed Agrobacterium-mediated in planta transformation strategy for the generation of stable, single copy transgenic events. Precise molecular detection of the transgenes by sqRT-PCR coupled with genomic Southern analysis revealed variation in the integration of PDH45 at distinct loci in independent transgenic events. Characterization of five promising transgenic events showed both improved response to an array of simulated abiotic stresses and enhanced expression of several stress-responsive genes. While survival and recovery of transgenic events were significantly higher under gradual moisture stress conditions, under imposition of moderate stress, the transgenic events exhibited invigorated growth and productivity with concomitant improvement in water use efficiency (WUE). Thus, our study, unequivocally demonstrated the cardinal role of PDH45 in alleviating multiple abiotic stresses in chili.
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Affiliation(s)
- Tagginahalli N Shivakumara
- Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bangalore, India
- ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Rohini Sreevathsa
- Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bangalore, India.
- ICAR-National Research Centre on Plant Biotechnology, Pusa Campus, New Delhi, India.
| | - Prasanta K Dash
- ICAR-National Research Centre on Plant Biotechnology, Pusa Campus, New Delhi, India
| | - M S Sheshshayee
- Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bangalore, India
| | - Pradeep K Papolu
- ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Uma Rao
- ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Narendra Tuteja
- Amity Institute of Microbial Technology, Amity University, Noida, Uttar Pradesh, India
| | - M UdayaKumar
- Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bangalore, India.
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Efficient Androgenic Embryo Induction and Plant Regeneration in Different Genotypes of Sweet Pepper via Anther Culture. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2017. [DOI: 10.22207/jpam.11.1.04] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Cardi T, D’Agostino N, Tripodi P. Genetic Transformation and Genomic Resources for Next-Generation Precise Genome Engineering in Vegetable Crops. FRONTIERS IN PLANT SCIENCE 2017; 8:241. [PMID: 28275380 PMCID: PMC5319998 DOI: 10.3389/fpls.2017.00241] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 02/08/2017] [Indexed: 05/22/2023]
Abstract
In the frame of modern agriculture facing the predicted increase of population and general environmental changes, the securement of high quality food remains a major challenge to deal with. Vegetable crops include a large number of species, characterized by multiple geographical origins, large genetic variability and diverse reproductive features. Due to their nutritional value, they have an important place in human diet. In recent years, many crop genomes have been sequenced permitting the identification of genes and superior alleles associated with desirable traits. Furthermore, innovative biotechnological approaches allow to take a step forward towards the development of new improved cultivars harboring precise genome modifications. Sequence-based knowledge coupled with advanced biotechnologies is supporting the widespread application of new plant breeding techniques to enhance the success in modification and transfer of useful alleles into target varieties. Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 system, zinc-finger nucleases, and transcription activator-like effector nucleases represent the main methods available for plant genome engineering through targeted modifications. Such technologies, however, require efficient transformation protocols as well as extensive genomic resources and accurate knowledge before they can be efficiently exploited in practical breeding programs. In this review, we revise the state of the art in relation to availability of such scientific and technological resources in various groups of vegetables, describe genome editing results obtained so far and discuss the implications for future applications.
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Affiliation(s)
- Teodoro Cardi
- Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria (CREA), Centro di ricerca per l’orticoltura, Pontecagnano FaianoItaly
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Kim SB, Kang WH, Huy HN, Yeom SI, An JT, Kim S, Kang MY, Kim HJ, Jo YD, Ha Y, Choi D, Kang BC. Divergent evolution of multiple virus-resistance genes from a progenitor in Capsicum spp. THE NEW PHYTOLOGIST 2017; 213:886-899. [PMID: 27612097 DOI: 10.1111/nph.14177] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 07/31/2016] [Indexed: 05/11/2023]
Abstract
Plants have evolved hundreds of nucleotide-binding and leucine-rich domain proteins (NLRs) as potential intracellular immune receptors, but the evolutionary mechanism leading to the ability to recognize specific pathogen effectors is elusive. Here, we cloned Pvr4 (a Potyvirus resistance gene in Capsicum annuum) and Tsw (a Tomato spotted wilt virus resistance gene in Capsicum chinense) via a genome-based approach using independent segregating populations. The genes both encode typical NLRs and are located at the same locus on pepper chromosome 10. Despite the fact that these two genes recognize completely different viral effectors, the genomic structures and coding sequences of the two genes are strikingly similar. Phylogenetic studies revealed that these two immune receptors diverged from a progenitor gene of a common ancestor. Our results suggest that sequence variations caused by gene duplication and neofunctionalization may underlie the evolution of the ability to specifically recognize different effectors. These findings thereby provide insight into the divergent evolution of plant immune receptors.
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Affiliation(s)
- Saet-Byul Kim
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Won-Hee Kang
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
- Department of Horticulture, Institute of Agriculture & Life Science, Gyeongsang National University, Jinju, 660-701, Korea
| | - Hoang Ngoc Huy
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Seon-In Yeom
- Department of Horticulture, Institute of Agriculture & Life Science, Gyeongsang National University, Jinju, 660-701, Korea
| | - Jeong-Tak An
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Seungill Kim
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Min-Young Kang
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Hyun Jung Kim
- Department of Eco-Friendly Horticulture, Cheonan Yonam College, Cheonan, 331-709, Korea
| | - Yeong Deuk Jo
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
- Korea Atomic Energy Research Institute, Jeongeup, 580-185, Korea
| | - Yeaseong Ha
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Doil Choi
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
| | - Byoung-Cheorl Kang
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Korea
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Venkataiah P, Bhanuprakash P, Suman Kalyan S, Subhash K. Somatic embryogenesis and plant regeneration of Capsicum baccatum L. J Genet Eng Biotechnol 2016; 14:55-60. [PMID: 30647597 PMCID: PMC6299893 DOI: 10.1016/j.jgeb.2016.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 01/04/2016] [Accepted: 02/28/2016] [Indexed: 11/29/2022]
Abstract
A plant regeneration protocol via somatic embryogenesis was achieved in cotyledon and leaf explants of Capsicum baccatum, when cultured on MS medium supplemented with various concentrations of 2,4-dichlorophenoxy acetic acid (2,4-D, 0.5–5.0 mg l−1) in combination with Kinetin (Kn, 0.5 mg l−1) and 3% sucrose. Various stages were observed during the development of somatic embryos, including globular, heart, and torpedo-stages. Torpedo stage embryos were separated from the explants and subcultured on medium supplemented with various concentrations of different plant growth regulators for maturation. Maximum percentage (55%) of somatic embryo germination and plantlet formation was found at 1.0 mg l−1 BA. Finally, about 68% of plantlets were successfully established under field conditions. The regenerated plants were morphologically normal, fertile and able to set viable seeds.
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Key Words
- 2,4,5-T, 2,4,5-trichlorophenoxy acetic acid
- 2,4-D, 2,4-dichlorophenoxyacetic acid
- BA, 6-benzyl adenine
- Cotyledon
- GA3, Gibberellic acid
- IAA, indole-3-acetic acid
- Kn, kinetin
- Leaf
- MS, Murashige and Skoog (1962) medium
- NAA, α-naphthalene acetic acid
- Pepper
- Picloram, 4-amino-3,5,6-tri chloropicolinic acid
- Somatic embryos
- TDZ, thidiazuron
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Affiliation(s)
| | | | - Sadhu Suman Kalyan
- Department of Microbiology, Kakatiya University, Warangal 506 009, India
| | - Karampuri Subhash
- Department of Biotechnology, Kakatiya University, Warangal 506 009, India
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Krishna H, Alizadeh M, Singh D, Singh U, Chauhan N, Eftekhari M, Sadh RK. Somaclonal variations and their applications in horticultural crops improvement. 3 Biotech 2016; 6:54. [PMID: 28330124 PMCID: PMC4752953 DOI: 10.1007/s13205-016-0389-7] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 10/20/2015] [Indexed: 01/07/2023] Open
Abstract
The advancements made in tissue culture techniques has made it possible to regenerate various horticultural species in vitro as micropropagation protocols for commercial scale multiplication are available for a wide range of crops. Clonal propagation and preservation of elite genotypes, selected for their superior characteristics, require high degree of genetic uniformity amongst the regenerated plants. However, plant tissue culture may generate genetic variability, i.e., somaclonal variations as a result of gene mutation or changes in epigenetic marks. The occurrence of subtle somaclonal variation is a drawback for both in vitro cloning as well as germplasm preservation. Therefore, it is of immense significance to assure the genetic uniformity of in vitro raised plants at an early stage. Several strategies have been followed to ascertain the genetic fidelity of the in vitro raised progenies comprising morpho-physiological, biochemical, cytological and DNA-based molecular markers approaches. Somaclonal variation can pose a serious problem in any micropropagation program, where it is highly desirable to produce true-to-type plant material. On the other hand, somaclonal variation has provided a new and alternative tool to the breeders for obtaining genetic variability relatively rapidly and without sophisticated technology in horticultural crops, which are either difficult to breed or have narrow genetic base. In the present paper, sources of variations induced during tissue culture cycle and strategies to ascertain and confirm genetic fidelity in a variety of in vitro raised plantlets and potential application of variants in horticultural crop improvement are reviewed.
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Affiliation(s)
- Hare Krishna
- ICAR-Central Institute for Arid Horticulture, Beechwal, Bikaner, Rajasthan, 334 006, India.
| | - Mahdi Alizadeh
- Department of Horticulture, Faculty of Agriculture, Gorgan University of Agricultural Sciences and Natural Resources (GUASNR), Golestan, Gorgan, Iran
| | - Dhurendra Singh
- ICAR-Central Institute for Arid Horticulture, Beechwal, Bikaner, Rajasthan, 334 006, India
| | - Udayvir Singh
- ICAR-Central Institute for Arid Horticulture, Beechwal, Bikaner, Rajasthan, 334 006, India
| | - Nitesh Chauhan
- ICAR-Central Institute for Arid Horticulture, Beechwal, Bikaner, Rajasthan, 334 006, India
| | - Maliheh Eftekhari
- Department of Horticulture, Faculty of Agriculture, Gorgan University of Agricultural Sciences and Natural Resources (GUASNR), Golestan, Gorgan, Iran
| | - Radha Kishan Sadh
- ICAR-Central Institute for Arid Horticulture, Beechwal, Bikaner, Rajasthan, 334 006, India
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Zanini S, Marzotto M, Giovinazzo F, Bassi C, Bellavite P. Effects of dietary components on cancer of the digestive system. Crit Rev Food Sci Nutr 2016; 55:1870-85. [PMID: 24841279 DOI: 10.1080/10408398.2012.732126] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Cancer is the second leading cause of death in developed countries and poor diet and physical inactivity are major risk factors in cancer-related deaths. Therefore, interventions to reduce levels of smoking, improve diet, and increase physical activity must become much higher priorities in the general population's health and health care systems. The consumption of fruit and vegetables exerts a preventive effect towards cancer and in recent years natural dietary agents have attracted great attention in the scientific community and among the general public. Foods, such as tomatoes, olive oil, broccoli, garlic, onions, berries, soy bean, honey, tea, aloe vera, grapes, rosemary, basil, chili peppers, carrots, pomegranate, and curcuma contain active components that can influence the initiation and the progression of carcinogenesis, acting on pathways implied in cell proliferation, apoptosis and metastasis. The present review illustrates the main foods and their active components, including their antioxidant, cytotoxic, and pro-apoptotic properties, with a particular focus on the evidence related to cancers of the digestive system.
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Affiliation(s)
- Sara Zanini
- a Laboratory of Translational Surgery, Universitary Laboratories of Medical Research (LURM), G. B. Rossi Hospital , University of Verona , Verona , Italy
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Sora GTS, Haminiuk CWI, da Silva MV, Zielinski AAF, Gonçalves GA, Bracht A, Peralta RM. A comparative study of the capsaicinoid and phenolic contents and in vitro antioxidant activities of the peppers of the genus Capsicum: an application of chemometrics. Journal of Food Science and Technology 2015; 52:8086-94. [PMID: 26604381 DOI: 10.1007/s13197-015-1935-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/21/2015] [Accepted: 07/02/2015] [Indexed: 11/26/2022]
Abstract
This paper presents a comparison of the contents of capsaicin, dihydrocapsaicin and total phenolics as well as of the antioxidant activities of six types of peppers of the genus Capsicum. The varieties were analyzed in terms of their in vitro antioxidant activity using ferric reducing antioxidant powder (FRAP), 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azinobis 3-ethylbenzothiazoline 6-sulfonate (ABTS(●+)) assays. The contents of phenolics and capsainoids as well as the antioxidant activities were higher in seeds than in pulps. The correlations (ρ < 0.01) between the phenolic composition and the capsaicinoids levels were high (r = 0.98). Similarly high were also the correlations between the antioxidant activities and the contents of total phenolics and capsaicinoids. Data were analyzed using principal component analysis (PCA), hierarchical cluster analysis (HCA) and multiple linear regression (MLR). PCA explained 97.77 % of the total variance of the data, and their separation into three groups in a scatter plot was divised. Using HCA, three clusters were suggested. Cluster one, formed by pulps (bell pepper, orange habanero, cayenne, dedo de moça and red habanero), showed the lowest levels of the compounds quantified. Most seed samples were grouped in cluster two (bell pepper, cayenne, dedo de moça and malagueta) together with malagueta pulp. Cluster three was formed by orange and red habanero seeds, which showed the highest levels of all compounds analyzed. The MRL revealed that the values of capsaicinoids and total phenols are more adequate to predict the antioxidant activity measured by the FRAP assay.
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Affiliation(s)
- Gisele Teixeira Souza Sora
- Program in Food Science for Graduated Students and Department of Biochemistry, State University of Maringá, Av. Colombo 5790, 87020-900 Maringá, PR Brazil
| | - Charles Windson Isidoro Haminiuk
- Program in Food Technology for Graduated Students, Federal Technological University of Paraná (UTFPR), Via Rosalina Maria dos Santos 1233, CEP 87301-899 Campo Mourão, PR Brazil
| | - Marcos Vieira da Silva
- Program in Food Science for Graduated Students and Department of Biochemistry, State University of Maringá, Av. Colombo 5790, 87020-900 Maringá, PR Brazil
| | - Acácio Antonio Ferreira Zielinski
- Program of Food Engineering for Graduated Students, Federal University of Paraná (UFPR), Centro Politécnico, CEP 81531-990 Curitiba, PR Brazil
| | - Geferson Almeida Gonçalves
- Program in Food Science for Graduated Students and Department of Biochemistry, State University of Maringá, Av. Colombo 5790, 87020-900 Maringá, PR Brazil
| | - Adelar Bracht
- Program in Food Science for Graduated Students and Department of Biochemistry, State University of Maringá, Av. Colombo 5790, 87020-900 Maringá, PR Brazil
| | - Rosane Marina Peralta
- Program in Food Science for Graduated Students and Department of Biochemistry, State University of Maringá, Av. Colombo 5790, 87020-900 Maringá, PR Brazil
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48
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Yin YX, Wang SB, Zhang HX, Xiao HJ, Jin JH, Ji JJ, Jing H, Chen RG, Arisha MH, Gong ZH. Cloning and expression analysis of CaPIP1-1 gene in pepper (Capsicum annuum L.). Gene 2015; 563:87-93. [DOI: 10.1016/j.gene.2015.03.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 01/16/2015] [Accepted: 03/05/2015] [Indexed: 11/30/2022]
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Yin YX, Wang SB, Xiao HJ, Zhang HX, Zhang Z, Jing H, Zhang YL, Chen RG, Gong ZH. Overexpression of the CaTIP1-1 pepper gene in tobacco enhances resistance to osmotic stresses. Int J Mol Sci 2014; 15:20101-16. [PMID: 25375192 PMCID: PMC4264158 DOI: 10.3390/ijms151120101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/27/2014] [Accepted: 10/29/2014] [Indexed: 11/17/2022] Open
Abstract
Both the gene expression and activity of water channel protein can control transmembrane water movement. We have reported the overexpression of CaTIP1-1, which caused a decrease in chilling tolerance in transgenic plants by increasing the size of the stomatal pore. CaTIP1-1 expression was strongly induced by salt and mannitol stresses in pepper (Capsicum annuum). However, its biochemical and physiological functions are still unknown in transgenic tobacco. In this study, transient expression of CaTIP1-1-GFP in tobacco suspension cells revealed that the protein was localized in the tonoplast. CaTIP1-1 overexpressed in radicle exhibited vigorous growth under high salt and mannitol treatments more than wild-type plants. The overexpression of CaTIP1-1 pepper gene in tobacco enhanced the antioxidant enzyme activities and increased transcription levels of reactive oxygen species-related gene expression under osmotic stresses. Moreover, the viability of transgenic tobacco cells was higher than the wild-type after exposure to stress. The pepper plants with silenced CaTIP1-1 in P70 decreased tolerance to salt and osmotic stresses using the detached leaf method. We concluded that the CaTIP1-1 gene plays an important role in response to osmotic stresses in tobacco.
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Affiliation(s)
- Yan-Xu Yin
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Shu-Bin Wang
- Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China.
| | - Huai-Juan Xiao
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Huai-Xia Zhang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Zhen Zhang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Hua Jing
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Ying-Li Zhang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Ru-Gang Chen
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Zhen-Hui Gong
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Khan FA, Mahmood T, Ali M, Saeed A, Maalik A. Pharmacological importance of an ethnobotanical plant: Capsicum annuum L. Nat Prod Res 2014; 28:1267-74. [PMID: 24650229 DOI: 10.1080/14786419.2014.895723] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Capsicum annuum L., a fruit plant from tropical and subtropical regions, contains a range of essential nutrients and bioactive compounds which are known to exhibit a range of bioactivities including free radical scavenging (antioxidant), antimicrobial, antiviral, anti-inflammatory and anticancer. This review aims to give a comprehensive overview of the literature published on pharmacological behaviours of C. annuum L.
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Affiliation(s)
- Farhan A Khan
- a Department of Chemistry , COMSATS Institute of Information Technology , Abbottabad 22060 , KPK , Pakistan
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