Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.

Mangoes (<i>Mangifera indica</i> L.) are an important kind of perennial fruit tree, but their biochemical testing method and transformation technology were insufficient and had not been rigorously explored. The protoplast technology is an excellent method for creating a rapid and effecti...

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Main Authors: Mark Owusu Adjei, Huan Zhao, Xiaoguang Tao, Li Yang, Shuyue Deng, Xiyan Li, Xinjing Mao, Shujiang Li, Jianfeng Huang, Ruixiong Luo, Aiping Gao, Jun Ma
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:International Journal of Molecular Sciences
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Online Access:https://www.mdpi.com/1422-0067/24/15/11984
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author Mark Owusu Adjei
Huan Zhao
Xiaoguang Tao
Li Yang
Shuyue Deng
Xiyan Li
Xinjing Mao
Shujiang Li
Jianfeng Huang
Ruixiong Luo
Aiping Gao
Jun Ma
author_facet Mark Owusu Adjei
Huan Zhao
Xiaoguang Tao
Li Yang
Shuyue Deng
Xiyan Li
Xinjing Mao
Shujiang Li
Jianfeng Huang
Ruixiong Luo
Aiping Gao
Jun Ma
author_sort Mark Owusu Adjei
collection DOAJ
description Mangoes (<i>Mangifera indica</i> L.) are an important kind of perennial fruit tree, but their biochemical testing method and transformation technology were insufficient and had not been rigorously explored. The protoplast technology is an excellent method for creating a rapid and effective tool for transient expression and transformation assays, particularly in plants that lack an Agrobacterium-mediated plant transformation system. This study optimized the conditions of the protoplast isolation and transformation system, which can provide a lot of help in the gene expression regulation study of mango. The most beneficial protoplast isolation conditions were 150 mg/mL of cellulase R-10 and 180 mg/mL of macerozyme R-10 in the digestion solution at pH 5.6 and 12 h of digestion time. The 0.16 M and 0.08 M mannitol in wash solution (WI) and suspension for counting (MMG), respectively, were optimal for the protoplast isolation yield. The isolated leaf protoplasts (~5.4 × 10<sup>5</sup> cells/10 mL) were transfected for 30 min mediated by 40% calcium-chloride-based polyethylene glycol (PEG)-4000-CaCl<sub>2</sub>, from which 84.38% of the protoplasts were transformed. About 0.08 M and 0.12 M of mannitol concentration in MMG and transfection solutions, respectively, were optimal for protoplast viability. Under the florescence signal, GFP was seen in the transformed protoplasts. This showed that the target gene was successfully induced into the protoplast and that it can be transcribed and translated. Experimental results in this paper show that our high-efficiency protoplast isolation and PEG-mediated transformation protocols can provide excellent new methods for creating a rapid and effective tool for the molecular mechanism study of mangoes.
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spelling doaj.art-f21320aef3c64e1c895e948b4dd138912023-11-18T22:58:48ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-07-0124151198410.3390/ijms241511984Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.Mark Owusu Adjei0Huan Zhao1Xiaoguang Tao2Li Yang3Shuyue Deng4Xiyan Li5Xinjing Mao6Shujiang Li7Jianfeng Huang8Ruixiong Luo9Aiping Gao10Jun Ma11College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaCollege of Forestry, Sichuan Agricultural University, Chengdu 611130, ChinaTropical Crop Genetic Resources Institute, Chinese Academy of Agricultural Science, Haikou 571101, ChinaTropical Crop Genetic Resources Institute, Chinese Academy of Agricultural Science, Haikou 571101, ChinaTropical Crop Genetic Resources Institute, Chinese Academy of Agricultural Science, Haikou 571101, ChinaCollege of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, ChinaMangoes (<i>Mangifera indica</i> L.) are an important kind of perennial fruit tree, but their biochemical testing method and transformation technology were insufficient and had not been rigorously explored. The protoplast technology is an excellent method for creating a rapid and effective tool for transient expression and transformation assays, particularly in plants that lack an Agrobacterium-mediated plant transformation system. This study optimized the conditions of the protoplast isolation and transformation system, which can provide a lot of help in the gene expression regulation study of mango. The most beneficial protoplast isolation conditions were 150 mg/mL of cellulase R-10 and 180 mg/mL of macerozyme R-10 in the digestion solution at pH 5.6 and 12 h of digestion time. The 0.16 M and 0.08 M mannitol in wash solution (WI) and suspension for counting (MMG), respectively, were optimal for the protoplast isolation yield. The isolated leaf protoplasts (~5.4 × 10<sup>5</sup> cells/10 mL) were transfected for 30 min mediated by 40% calcium-chloride-based polyethylene glycol (PEG)-4000-CaCl<sub>2</sub>, from which 84.38% of the protoplasts were transformed. About 0.08 M and 0.12 M of mannitol concentration in MMG and transfection solutions, respectively, were optimal for protoplast viability. Under the florescence signal, GFP was seen in the transformed protoplasts. This showed that the target gene was successfully induced into the protoplast and that it can be transcribed and translated. Experimental results in this paper show that our high-efficiency protoplast isolation and PEG-mediated transformation protocols can provide excellent new methods for creating a rapid and effective tool for the molecular mechanism study of mangoes.https://www.mdpi.com/1422-0067/24/15/11984<i>Mangifera indica</i> L.protoplast isolationtransformationpolyethylene glycol mediatedtransient expression
spellingShingle Mark Owusu Adjei
Huan Zhao
Xiaoguang Tao
Li Yang
Shuyue Deng
Xiyan Li
Xinjing Mao
Shujiang Li
Jianfeng Huang
Ruixiong Luo
Aiping Gao
Jun Ma
Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
International Journal of Molecular Sciences
<i>Mangifera indica</i> L.
protoplast isolation
transformation
polyethylene glycol mediated
transient expression
title Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
title_full Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
title_fullStr Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
title_full_unstemmed Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
title_short Using A Protoplast Transformation System to Enable Functional Studies in <i>Mangifera indica</i> L.
title_sort using a protoplast transformation system to enable functional studies in i mangifera indica i l
topic <i>Mangifera indica</i> L.
protoplast isolation
transformation
polyethylene glycol mediated
transient expression
url https://www.mdpi.com/1422-0067/24/15/11984
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