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Garg A, Srivastava P, Verma PC, Ghosh S. ApCPS2 contributes to medicinal diterpenoid biosynthesis and defense against insect herbivore in Andrographis paniculata. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 342:112046. [PMID: 38395069 DOI: 10.1016/j.plantsci.2024.112046] [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: 08/27/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/25/2024]
Abstract
Kalmegh (Andrographis paniculata) spatiotemporally produces medicinally-important ent-labdane-related diterpenoids (ent-LRDs); andrographolide (AD), 14-deoxy-11,12-didehydroandrographolide (DDAD), neoandrographolide (NAD). ApCPS1 and ApCPS2, the ent-copalyl pyrophosphate (ent-CPP)-producing class II diterpene synthases (diTPSs) were identified, but their contributions to ent-CPP precursor supply for ent-LRD biosynthesis were not well understood. Here, we characterized ApCPS4, an additional ent-CPP-forming diTPS. Further, we elucidated in planta function of the ent-CPP-producing diTPSs (ApCPS1,2,4) by integrating transcript-metabolite co-profiles, biochemical analysis and gene functional characterization. ApCPS1,2,4 localized to the plastids, where diterpenoid biosynthesis occurs in plants, but ApCPS1,2,4 transcript expression patterns and ent-LRD contents revealed a strong correlation of ApCPS2 expression and ent-LRD accumulation in kalmegh. ApCPS1,2,4 upstream sequences differentially activated β-glucuronidase (GUS) in Arabidopsis and transiently-transformed kalmegh. Similar to higher expression of ApCPS1 in kalmegh stem, ApCPS1 upstream sequence activated GUS in stem/hypocotyl of Arabidopsis and kalmegh. However, ApCPS2,4 upstream sequences weakly activated GUS expression in Arabidopsis, which was not well correlated with ApCPS2,4 transcript expression in kalmegh tissues. Whereas, ApCPS2,4 upstream sequences could activate GUS expression at a considerable level in kalmegh leaf and roots/calyx, respectively, suggesting the involvement of transcriptional regulator(s) of ApCPS2,4 that might participate in kalmegh-specific diterpenoid pathway. Interestingly, ApCPS2-silenced kalmegh showed a drastic reduction in AD, DDAD and NAD contents and compromised defense against insect herbivore Spodoptera litura. However, ent-LRD contents and herbivore defense in ApCPS1 or ApCPS4-silenced plants remained largely unaltered. Overall, these results suggested an important role of ApCPS2 in producing ent-CPP for medicinal ent-LRD biosynthesis and defense against insect herbivore.
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Affiliation(s)
- Anchal Garg
- Plant Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow 226015, India
| | - Payal Srivastava
- Plant Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow 226015, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Praveen Chandra Verma
- Molecular Biology and Biotechnology Division, Council of Scientific and Industrial Research-National Botanical Research Institute (CSIR-NBRI), Lucknow 226001, India
| | - Sumit Ghosh
- Plant Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow 226015, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Biotechnological production of diterpenoid lactones from cell and organ cultures of Andrographis paniculata. Appl Microbiol Biotechnol 2021; 105:7683-7694. [PMID: 34568965 DOI: 10.1007/s00253-021-11599-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 10/20/2022]
Abstract
Andrographis paniculata (AP) is a medicinal plant that is traditionally used in Indian, Chinese, Malay, Thai, and Oriental system of medicines to treat various disorders. AP consists of andrographolide (AD), 14-deoxy-11,12-didehydroandrographolide (DDAD), and neoandrographolide (NAD) as major diterpene lactones which has extremely bitter properties; therefore, AP is commonly called "King of bitters." AD, DDAD, and NAD are reported to possess therapeutic values such as antioxidant, immunostimulatory, hepatoprotective, anti-cancer, anti-inflammatory, anti-rheumatoidal, anti-malarial, anti-leishmanial, anti-fertility, anti-obesity, antipyretic, and antimicrobial attributes. According to the Indian Pharmacopoeia, the leaves and tender shoots of AP yield up to 1%, 0.16%, and 0.11% of AD, DDAD, and NAD, respectively, on a dry-weight basis. However, variability in the accumulation of AD, DDAD, and NAD in plants has been reported with respect to species, genotype, season, phenological stage, plant part used, and geography of a region of cultivation. Therefore, cell and tissue culture systems especially cell, shoot, and adventitious root cultures are explored as alternatives for constant and higher production of AD, DDAD, and NAD. This review explores the prospects of exploiting the plant cell and tissue culture systems for the controlled production of AD, DDAD, and NAD. Various strategies such as elicitation by using biological and chemical elicitors are explored for the enhancement of accumulation of AD, DDAD, and NAD in cell and organ cultures. KEY POINTS: • This review explores the possibilities of diterpene lactone production from cell and organ cultures. • Various strategies are explored for the enhanced accumulation of AD, DDAD, and NAD in cell and organ cultures. • Prospects of diterpene lactone production are highlighted.
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Gao K, Zha WL, Zhu JX, Zheng C, Zi JC. A review: biosynthesis of plant-derived labdane-related diterpenoids. Chin J Nat Med 2021; 19:666-674. [PMID: 34561077 DOI: 10.1016/s1875-5364(21)60100-0] [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: 07/03/2021] [Indexed: 11/16/2022]
Abstract
Plant-derived labdane-related diterpenoids (LRDs) represent a large group of terpenoids. LRDs possess either a labdane-type bicyclic core structure or more complex ring systems derived from labdane-type skeletons, such as abietane, pimarane, kaurane, etc. Due to their various pharmaceutical activities and unique properties, many of LRDs have been widely used in pharmaceutical, food and perfume industries. Biosynthesis of various LRDs has been extensively studied, leading to characterization of a large number of new biosynthetic enzymes. The biosynthetic pathways of important LRDs and the relevant enzymes (especially diterpene synthases and cytochrome P450 enzymes) were summarized in this review.
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Affiliation(s)
- Ke Gao
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Wen-Long Zha
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jian-Xun Zhu
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Cheng Zheng
- Zhejiang Institute for Food and Drug Control, NMPA Key Laboratory for Quality Evaluation of Traditional Chinese Medicine, Hangzhou 310052, China.
| | - Jia-Chen Zi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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Molecular cloning and functional characterization of multiple ApOSCs from Andrographis paniculata. Chin J Nat Med 2021; 18:659-665. [PMID: 32928509 DOI: 10.1016/s1875-5364(20)60004-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Indexed: 11/22/2022]
Abstract
Triterpenoids have been described in Andrographis paniculata. Oleanolic acid exhibits high biological activity and is widely used in the clinic, and β-sitosterol not only has good biological activity but also plays an important physiological role in plants. However, analysis of the biosynthetic pathway of triterpenoids in Andrographis paniculata has not been reported. Here, we provide the first report of the isolation and identification of nine 2, 3-oxidosqualene cyclases (ApOSC3 to ApOSC11) from A. paniculata. The results showed that ApOSC4 represented a monofunctional synthase that could convert 2, 3-oxidosqualene to β-amyrin. ApOSC5 as a bifunctional 2, 3-oxidosqualene cyclases, could transfer 2, 3-oxidosqualene to β-amyrin and α-amyrin. ApOSC6 to ApOSC8 composed the multifunctional 2, 3-oxidosqualene cyclases that could convert 2, 3-oxidosqualene to β-amyrin, α-amyrin and one or two undetermined triterpenoids. This study provides a better understanding of the biosynthetic pathway of triterpenoids in A. paniculata, and the discovery of multifunctional 2, 3-oxidosqualene cyclases ApOSC5 to ApOSC8 of the facilitates knowledge of the compounds diversity in A. paniculata.
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Hu Z, Liu X, Tian M, Ma Y, Jin B, Gao W, Cui G, Guo J, Huang L. Recent progress and new perspectives for diterpenoid biosynthesis in medicinal plants. Med Res Rev 2021; 41:2971-2997. [PMID: 33938025 DOI: 10.1002/med.21816] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 04/09/2021] [Accepted: 04/19/2021] [Indexed: 12/25/2022]
Abstract
Diterpenoids, including more than 18,000 compounds, represent an important class of metabolites that encompass both phytohormones and some industrially relevant compounds. These molecules with complex, diverse structures and physiological activities, have high value in the pharmaceutical industry. Most medicinal diterpenoids are extracted from plants. Major advances in understanding the biosynthetic pathways of these active compounds are providing unprecedented opportunities for the industrial production of diterpenoids by metabolic engineering and synthetic biology. Here, we summarize recent developments in the field of diterpenoid biosynthesis from medicinal herbs. An overview of the pathways and known biosynthetic enzymes is presented. In particular, we look at the main findings from the past decade and review recent progress in the biosynthesis of different groups of ringed compounds. We also discuss diterpenoid production using synthetic biology and metabolic engineering strategies, and draw on new technologies and discoveries to bring together many components into a useful framework for diterpenoid production.
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Affiliation(s)
- Zhimin Hu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiuyu Liu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,School of Pharmaceutical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan Province, China
| | - Mei Tian
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Ma
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baolong Jin
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wei Gao
- School of Pharmaceutical, Sciences, Capital Medical University, Beijing, China
| | - Guanghong Cui
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Juan Guo
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Luqi Huang
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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Jeevanandam J, Chan YS, Danquah MK. Cytotoxicity and insulin resistance reversal ability of biofunctional phytosynthesized MgO nanoparticles. 3 Biotech 2020; 10:489. [PMID: 33123456 DOI: 10.1007/s13205-020-02480-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 10/12/2020] [Indexed: 12/22/2022] Open
Abstract
The present study investigates the cytotoxicity of hexagonal MgO nanoparticles synthesized via Amaranthus tricolor leaf extract and spherical MgO nanoparticles synthesized via Amaranthus blitum and Andrographis paniculata leaf extracts. In vitro cytotoxicity analysis showed that the hexagonal MgO nanoparticles synthesized from A. tricolor extract demonstrated the least toxicity to both diabetic and non-diabetic cells at 600 μl/ml dosage. The viability of the diabetic cells (3T3-L1) after incubation with varying dosages of MgO nanoparticles was observed to be 55.3%. The viability of normal VERO cells was 86.6% and this stabilized to about 75% even after exposure to MgO nanoparticles dosage of up to 1000 μl/ml. Colorimetric glucose assay revealed that the A. tricolor extract synthesized MgO nanoparticles resulted in ~ 28% insulin resistance reversal. A reduction in the expression of GLUT4 protein at 54 KDa after MgO nanopaSrticles incubation with diabetic cells was observed via western blot analysis to confirm insulin reversal ability. Fluorescence microscopic analysis with propidium iodide and acridine orange dyes showed the release of reactive oxygen species as a possible mechanism of the cytotoxic effect of MgO nanoparticles. It was inferred that the synergistic effect of the phytochemicals and MgO nanoparticles played a significant role in delivering enhanced insulin resistance reversal capability in adipose cells.
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Affiliation(s)
- Jaison Jeevanandam
- CQM - Centro de Química da Madeira, MMRG, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
| | - Yen San Chan
- Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, CDT 250, 98009 Miri, Sarawak Malaysia
| | - Michael K Danquah
- Chemical Engineering Department, University of Tennessee, Chattanooga, TN 37403 USA
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Liang Y, Chen S, Wei K, Yang Z, Duan S, Du Y, Qu P, Miao J, Chen W, Dong Y. Chromosome Level Genome Assembly of Andrographis paniculata. Front Genet 2020; 11:701. [PMID: 32714378 PMCID: PMC7340177 DOI: 10.3389/fgene.2020.00701] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 06/09/2020] [Indexed: 11/13/2022] Open
Abstract
Andrographis paniculata (Chinese name: Chuanxinlian) is an annual dicotyledonous medicinal plant widely grown in China and Southeast Asia. The dried plant has a highly acclaimed usage in the traditional Chinese medicine for its antipyretic, anti-inflammatory, and analgesic effects. In order to help delineate the biosynthetic pathways of various secondary metabolites, we report in this study a high-quality reference genome for A. paniculata. With the help of both PacBio single molecule real time sequencing and Illumina sequencing reads for error correction, the A. paniculata genome was assembled into a total size of 284 Mb with a contig N50 size of 5.14 Mb. The contigs were further assembled into 24 pseudo-chromosomes by the Hi-C technique. We also analyzed the gene families (e.g., KSL, and CYP450) whose protein products are essential for synthesizing bioactive compounds in A. paniculata. In conclusion, the high-quality A. paniculata genome assembly builds the foundation for decoding the biosynthetic pathways of various medicinal compounds.
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Affiliation(s)
- Ying Liang
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | | | - Kunhua Wei
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Zijiang Yang
- National and Local Joint Engineering Research Center on Germplasm Innovation and Utilization of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming, China
| | | | - Yuan Du
- NowBio Biotechnology Company, Kunming, China
| | - Peng Qu
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Jianhua Miao
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Wei Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China.,College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China.,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, China
| | - Yang Dong
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China.,National and Local Joint Engineering Research Center on Germplasm Innovation and Utilization of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China.,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, China
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Wang J, Lin HX, Su P, Chen T, Guo J, Gao W, Huang LQ. Molecular cloning and functional characterization of multiple geranylgeranyl pyrophosphate synthases (ApGGPPS) from Andrographis paniculata. PLANT CELL REPORTS 2019; 38:117-128. [PMID: 30448883 DOI: 10.1007/s00299-018-2353-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/07/2018] [Indexed: 05/19/2023]
Abstract
We found that ApGGPPS1, ApGGPPS2, and ApGGPPS3 can convert IPP and DMAPP to GGPP. ApGGPPS2 is probably involved in andrographolide biosynthesis. ApGGPPS3 may be responsible for the synthesis of the cytosolic GGPP. Andrographis paniculata is a traditional herb for the treatment of sore throat, flu, upper respiratory tract infections and other disorders. In A. paniculata, GGPP is not only the precursor of andrographolide and its primary bioactive compounds, but also the precursor of chlorophylls, carotenoids, gibberellins, and abscisic acid, which are the biomolecules of photosynthesis, growth regulation and other physiological and ecological processes. In this study, four cDNAs (named ApGGPPS1, ApGGPPS2, ApGGPPS3 and ApGGPPS4) encoding geranylgeranyl pyrophosphate synthases from A. paniculata were putatively isolated. Bioinformatic and phylogenetic analyses suggested that these ApGGPPS are highly similar to the geranylgeranyl pyrophosphate synthases in other plants. Prokaryotic expression showed that ApGGPPS1, ApGGPPS2 and ApGGPPS3 could convert IPP and DMAPP to GGPP, although ApGGPPS4 lacks a similar function. The expression of ApGGPPS2 was similar as ApCPS2 under MeJA treatment, ApCPS2 involved in the biosynthesis pathway of andrographolide (Shen et al., Biotechnol Lett 38:131-137, 2016a), has been proven through Virus-induced Gene Siliencing (VIGS) (Shen et al., Acta Bot Boreal 36:17-22, 2016b), and the subcellular localization of ApGGPPS2 was shown to localize in the plastid, suggested that ApGGPPS2 could be the key synthase in the biosynthesis pathway of andrographolide. In addition, ApGGPPS3 was shown to localize in the cytoplasm, suggested that ApGGPPS3 may be responsible for the synthesis of cytosolic GGPP, which may participate in the synthesis of cytosolic oligoprenols as side chains to produce ubiquinone, dolichols or other isoprenoids, in the synthesis of polyisoprenoids, and in protein prenylation.
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Affiliation(s)
- Jian Wang
- School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 100016, China
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
| | - Hui-Xin Lin
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China
- Geneis (Beijing) Co., Ltd, Beijing, 100102, China
| | - Ping Su
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
| | - Tong Chen
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Juan Guo
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Wei Gao
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China.
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
- Geneis (Beijing) Co., Ltd, Beijing, 100102, China.
| | - Lu-Qi Huang
- School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 100016, China.
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing, 100700, China.
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
- Geneis (Beijing) Co., Ltd, Beijing, 100102, China.
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Lin H, Wang J, Qi M, Guo J, Rong Q, Tang J, Wu Y, Ma X, Huang L. Molecular cloning and functional characterization of multiple NADPH-cytochrome P450 reductases from Andrographis paniculata. Int J Biol Macromol 2017; 102:208-217. [DOI: 10.1016/j.ijbiomac.2017.04.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 01/07/2023]
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Valdiani A, Talei D, Lattoo SK, Ortiz R, Rasmussen SK, Batley J, Rafii MY, Maziah M, Sabu KK, Abiri R, Sakuanrungsirikul S, Tan SG. Genoproteomics-assisted improvement of Andrographis paniculata: toward a promising molecular and conventional breeding platform for autogamous plants affecting the pharmaceutical industry. Crit Rev Biotechnol 2017; 37:803-816. [PMID: 28049346 DOI: 10.1080/07388551.2016.1260525] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Andrographis paniculata (Burm. f.) Wall. ex Nees. (AP) is a hermaphroditic, self-compatible, and habitual inbreeding plant. Its main bioactive component is andrographolide, which is capable of inducing autophagic cell death in some human cancer cells and helps fight HIV/AIDS. Increasing the andrographolide content by investigating the genetic mechanisms controlling its biosynthesis in order to improve and develop high-yielding cultivars are the main breeding targets for AP. However, there might exist some limitations or barriers for crossability within AP accessions. Recently, this problem was addressed in AP by using a combination of crossbreeding and biotechnology-aided genetic methods. This review emphasizes that development of a breeding platform in a hard-to-breed plant, such as AP, requires the involvement of a broad range of methods from classical genetics to molecular breeding. To this end, a phenological stage (for example, flowering and stigma development) can be simplified to a quantitative morphological trait (for example, bud or stigma length) to be used as an index to express the highest level of receptivity in order to manage outcrossing. The outcomes of the basic crossability research can be then employed in diallel mating and crossbreeding. This review explains how genomic data could produce useful information regarding genetic distance and its influence on the crossability of AP accessions. Our review indicates that co-dominant DNA markers, such as microsatellites, are also capable of resolving the evolutionary pathway and cryptic features of plant populations and such information can be used to select the best breeding strategy. This review also highlights the importance of proteomic analysis as a breeding tool. In this regard, protein diversification, as well as the impact of normal and stress-responsive proteins on morphometric and physiological behaviors, could be used in breeding programs. These findings have immense potential for improving plant production and, therefore, can be regarded as prospective breeding platforms for medicinal plants that have an autogamous mode of reproduction. Finally, this review suggests that novel site-directed genome editing approaches such as TALENs (Transcription Activator-Like Effector Nucleases) and CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 (CRISPR-associated protein-9 nuclease) systems together with other new plant breeding technologies (NPBT) should simultaneously be taken into consideration for improvement of pharmaceutical plants.
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Affiliation(s)
- Alireza Valdiani
- a Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences , Universiti Putra Malaysia , Selangor , Malaysia
| | - Daryush Talei
- b Medicinal Plants Research Center , Shahed University , Tehran , Iran
| | - Surrinder K Lattoo
- c Plant Biotechnology Division , CSIR - Indian Institute of Integrative Medicine , Jammu , India
| | - Rodomiro Ortiz
- d Department of Plant Breeding , Swedish University of Agricultural Sciences (SLU) , Alnarp , Sweden
| | - Søren Kjærsgaard Rasmussen
- e Department of Plant and Environmental Science, Faculty of Sciences , University of Copenhagen , Copenhagen , Denmark
| | - Jacqueline Batley
- f School of Plant Biology , University of Western Australia , Crawley , WA , Australia
| | - Mohd Yusop Rafii
- g Institute of Tropical Agriculture , Universiti Putra Malaysia , Selangor , DE , Malaysia
| | - Mahmood Maziah
- a Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences , Universiti Putra Malaysia , Selangor , Malaysia.,g Institute of Tropical Agriculture , Universiti Putra Malaysia , Selangor , DE , Malaysia.,h Institute of Bioscience , Universiti Putra Malaysia , Selangor , Malaysia
| | - Kallevettankuzhy K Sabu
- i Jawaharlal Nehru Tropical Botanic Garden and Research Institute , Palode, Thiruvananthapuram , India
| | - Rambod Abiri
- a Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences , Universiti Putra Malaysia , Selangor , Malaysia
| | - Suchirat Sakuanrungsirikul
- j Khon Kaen Field Crops Research Center, Field and Energy Renewable Crops Research, Institute , Department of Agriculture, Ministry of Agriculture and Cooperatives , Khon Kaen , Thailand
| | - Soon Guan Tan
- k Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences , Universiti Putra Malaysia , Selangor , Malaysia
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