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An H, Wang D, Yu L, Wu H, Qin Y, Zhang S, Ji X, Xin Y, Li X. Potential Involvement of MnCYP710A11 in Botrytis cinerea Resistance in Arabidopsis thaliana and Morus notabilis. Genes (Basel) 2024; 15:853. [PMID: 39062632 PMCID: PMC11275358 DOI: 10.3390/genes15070853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024] Open
Abstract
Cytochrome P450 (CYP) is a crucial oxidoreductase enzyme that plays a significant role in plant defense mechanisms. In this study, a specific cytochrome P450 gene (MnCYP710A11) was discovered in mulberry (Morus notabilis). Bioinformatic analysis and expression pattern analysis were conducted to elucidate the involvement of MnCYP710A11 in combating Botrytis cinerea infection. After the infection of B. cinerea, there was a notable increase in the expression of MnCYP710A11. MnCYP710A11 is overexpressed in Arabidopsis and mulberry and strongly reacts to B. cinerea. The overexpression of the MnCYP710A11 gene in Arabidopsis and mulberry led to a substantial enhancement in resistance against B. cinerea, elevated catalase (CAT) activity, increased proline content, and reduced malondialdehyde (MDA) levels. At the same time, H2O2 and O2- levels in MnCYP710A11 transgenic Arabidopsis were decreased, which reduced the damage of ROS accumulation to plants. Furthermore, our research indicates the potential involvement of MnCYP710A11 in B. cinerea resistance through the modulation of other resistance-related genes. These findings establish a crucial foundation for gaining deeper insights into the role of cytochrome P450 in mulberry plants.
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Affiliation(s)
- Hui An
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi 546300, China; (H.A.); (Y.Q.); (S.Z.)
- Guangxi Collaborative Innovation Center of Modern Sericulture Silk, School of Chemistry and Bioengineering, Hechi University, Hechi 546300, China
| | - Donghao Wang
- College of Forestry, Shandong Agricultural University, Tai’an 271018, China; (D.W.); (L.Y.); (H.W.); (X.J.)
| | - Lin Yu
- College of Forestry, Shandong Agricultural University, Tai’an 271018, China; (D.W.); (L.Y.); (H.W.); (X.J.)
| | - Hongshun Wu
- College of Forestry, Shandong Agricultural University, Tai’an 271018, China; (D.W.); (L.Y.); (H.W.); (X.J.)
| | - Yue Qin
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi 546300, China; (H.A.); (Y.Q.); (S.Z.)
- Guangxi Collaborative Innovation Center of Modern Sericulture Silk, School of Chemistry and Bioengineering, Hechi University, Hechi 546300, China
| | - Shihao Zhang
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi 546300, China; (H.A.); (Y.Q.); (S.Z.)
- Guangxi Collaborative Innovation Center of Modern Sericulture Silk, School of Chemistry and Bioengineering, Hechi University, Hechi 546300, China
| | - Xianling Ji
- College of Forestry, Shandong Agricultural University, Tai’an 271018, China; (D.W.); (L.Y.); (H.W.); (X.J.)
| | - Youchao Xin
- College of Forestry, Shandong Agricultural University, Tai’an 271018, China; (D.W.); (L.Y.); (H.W.); (X.J.)
| | - Xiaodong Li
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi 546300, China; (H.A.); (Y.Q.); (S.Z.)
- Guangxi Collaborative Innovation Center of Modern Sericulture Silk, School of Chemistry and Bioengineering, Hechi University, Hechi 546300, China
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Vasav AP, Meshram BG, Pable AA, Barvkar VT. Artificial microRNA mediated silencing of cyclase and aldo-keto reductase genes reveal their involvement in the plumbagin biosynthetic pathway. JOURNAL OF PLANT RESEARCH 2023; 136:47-62. [PMID: 36227455 DOI: 10.1007/s10265-022-01415-7] [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: 06/06/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Plumbagin and other naphthoquinone derivatives from the Plumbago zeylanica L. (Plumbaginaceae) are known for their anticancer and other medicinal properties. Previous reports suggest that 3-methyl-1,8-naphthalene-diol is an intermediate of the plumbagin biosynthetic pathway and is synthesized from hexaketide backbone; a reaction catalyzed by type III polyketide synthase (PKS) along with certain accessory enzymes. Our earlier transcriptomic and metabolomic studies suggest that along with PKS, putative cyclase and aldo-keto reductase might be involved in the formation of 3-methyl-1,8-naphthalene-diol. The present study probed young leaf transcriptome and identified cyclase and aldo-keto reductase like transcripts that might be involved in the intramolecular aldol condensation of hexaketide intermediate and decarboxylation, carbonyl reduction and hydroxyl elimination of keto or enol forms of hexaketide intermediates respectively. Moreover, sequence alignment of identified cyclase1 possesses signature β-α-β-β-α-α-β topology, which belongs to the dimeric α + β barrel (DABB) protein family and is involved in the C2-C11 and C4-C9 intramolecular aldol condensation of hexaketide intermediates. Along with cyclase1, we further identified and characterized P. zeylanica specific aldo-keto reductase1 (AKR1) which is a novel member of the aldo-keto reductase (AKR) multi-gene family that possesses the conserved Asp60, Tyr65, Lys91, and His132 residues and is proposed to be involved in the C1 decarboxylation, C3 carbonyl reduction and C7 hydroxyl elimination of keto or enol form of hexaketide intermediate to form 3-methyl-1,8-naphthalene-diol. Further, the functional characterization using the artificial microRNA mediated transient silencing approach confirmed the involvement of cyclase1 and AKR1 in the plumbagin biosynthetic pathway. This is the first study reporting the identification and functional characterization of cyclase1 and AKR1 genes involved in the plumbagin biosynthetic pathway and general plant polyketide biosynthesis.
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Affiliation(s)
- Arati P Vasav
- Department of Botany, Savitribai Phule Pune University, Pune, 411007, India
| | - Balu G Meshram
- Department of Botany, Savitribai Phule Pune University, Pune, 411007, India
| | - Anupama A Pable
- Department of Microbiology, Savitribai Phule Pune University, Pune, 411007, India
| | - Vitthal T Barvkar
- Department of Botany, Savitribai Phule Pune University, Pune, 411007, India.
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Shilpashree HB, Sudharshan SJ, Shasany AK, Nagegowda DA. Molecular characterization of three CYP450 genes reveals their role in withanolides formation and defense in Withania somnifera, the Indian Ginseng. Sci Rep 2022; 12:1602. [PMID: 35102209 PMCID: PMC8803918 DOI: 10.1038/s41598-022-05634-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 01/17/2022] [Indexed: 12/24/2022] Open
Abstract
The medicinal properties of Ashwagandha (Withania somnifera) are attributed to triterpenoid steroidal lactones, withanolides, which are proposed to be derived from phytosterol pathway, through the action of cytochrome P450 (CYP450) enzymes. Here, we report the characterization of three transcriptome-mined CYP450 genes (WsCYP749B1, WsCYP76 and WsCYP71B10), which exhibited induced expression in response to methyl jasmonate treatment indicating their role in secondary metabolism. All three WsCYP450s had the highest expression in leaf compared to other tissues. In planta characterization of WsCYP450s through virus induced gene silencing (VIGS) and transient overexpression approaches and subsequent metabolite analysis indicated differential modulation in the accumulation of certain withanolides in W. somnifera leaves. While WsCYP749B1-vigs significantly enhanced withaferin A (~ 450%) and reduced withanolide A (~ 50%), its overexpression drastically led to enhanced withanolide A (> 250%) and withanolide B (> 200%) levels and reduced 12-deoxywithastramonolide (~ 60%). Whereas WsCYP76-vigs led to reduced withanolide A (~ 60%) and its overexpression increased withanolide A (~ 150%) and reduced 12-deoxywithastramonolide (~ 60%). Silencing and overexpression of WsCYP71B10 resulted in significant reduction of withanolide B (~ 50%) and withanolide A (~ 60%), respectively. Further, while VIGS of WsCYP450s negatively affected the expression of pathogenesis-related (PR) genes and compromised tolerance to bacteria P. syringae DC3000, their overexpression in W. somnifera and transgenic tobacco led to improved tolerance to the bacteria. Overall, these results showed that the identified WsCYP450s have a role in one or several steps of withanolides biosynthetic pathway and are involved in conferring tolerance to biotic stress.
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Affiliation(s)
- H B Shilpashree
- Molecular Plant Biology and Biotechnology Lab, CSIR-Central Institute of Medicinal and Aromatic Plants, Research Centre, Allalasandra, GKVK Post, Bengaluru, 560065, India
| | - S J Sudharshan
- Molecular Plant Biology and Biotechnology Lab, CSIR-Central Institute of Medicinal and Aromatic Plants, Research Centre, Allalasandra, GKVK Post, Bengaluru, 560065, India
| | - Ajit K Shasany
- Plant Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Dinesh A Nagegowda
- Molecular Plant Biology and Biotechnology Lab, CSIR-Central Institute of Medicinal and Aromatic Plants, Research Centre, Allalasandra, GKVK Post, Bengaluru, 560065, India.
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Sharma A, Rana S, Rather GA, Misra P, Dhar MK, Lattoo SK. Characterization and overexpression of sterol Δ 22-desaturase, a key enzyme modulates the biosyntheses of stigmasterol and withanolides in Withania somnifera (L.) Dunal. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 301:110642. [PMID: 33218619 DOI: 10.1016/j.plantsci.2020.110642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/10/2020] [Accepted: 08/22/2020] [Indexed: 05/20/2023]
Abstract
Withanolides constitute an extensive and vital class of metabolites displaying wide array of structural and therapeutic properties with unique side-chain modifications. These show diversified scaffolds and are promising pharmaceutical molecules with well documented anti-inflammatory and anti-cancer properties. Sterols are dynamic class of compounds and essential molecules having structural and functional significance. These contribute to the synthesis of withanolides by providing structural precursors. In this context, we have characterized sterol Δ22-desaturase from Withania somnifera and also functionally validating it by confirming its desaturase nature in conjunction with quantitative real-time expression profiling and metabolite evaluation. Further, transgenic hairy roots of W. somnifera displayed a higher accumulation of stigmasterol and withanolides. The increase in chemical constituents was concomitant with an increased gene copy number predicted via Southern blotting. Additionally, transgenic lines of tobacco over-expressing WsCYP710A11 displayed a substantial increase in its expression, corroborating well with enhanced stigmasterol content. Characterization of CYP710A11 from W. somnifera and its homologous transgenic expression has demonstrated its role in the regulation of withanolides biosynthesis. It also exhibited a differential transcriptional profile in response to exogenous elicitations. These empirical findings suggest the crucial role of CYP710A11 in stigmasterol biosynthesis. This in turn has implications for the overproduction of withanolides via pathway channelling.
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Affiliation(s)
- Arti Sharma
- Plant Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001, India.
| | - Satiander Rana
- Plant Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001, India.
| | - Gulzar A Rather
- Plant Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001, India.
| | - Prashant Misra
- Plant Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001, India.
| | - Manoj K Dhar
- School of Biotechnology, Department of Life Sciences, University of Jammu, Jammu Tawi, 180006, India.
| | - Surrinder K Lattoo
- Plant Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001, India.
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