Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton

Protein fluorescence reporting systems are of crucial importance to in-depth life science research, providing systematic labeling tools for visualization of microscopic biological activities in vivo and revolutionizing basic research. Cotton somatic cell regeneration efficiency is low, causing diffi...

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Main Authors: Gai-Yuan Hu, Jia-Yi Ma, Fen Li, Jing-Ruo Zhao, Fu-Chun Xu, Wen-Wen Yang, Man Yuan, Wei Gao, Lu Long
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-01-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2021.825212/full
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author Gai-Yuan Hu
Gai-Yuan Hu
Jia-Yi Ma
Jia-Yi Ma
Fen Li
Fen Li
Jing-Ruo Zhao
Jing-Ruo Zhao
Fu-Chun Xu
Fu-Chun Xu
Wen-Wen Yang
Man Yuan
Wei Gao
Wei Gao
Lu Long
Lu Long
author_facet Gai-Yuan Hu
Gai-Yuan Hu
Jia-Yi Ma
Jia-Yi Ma
Fen Li
Fen Li
Jing-Ruo Zhao
Jing-Ruo Zhao
Fu-Chun Xu
Fu-Chun Xu
Wen-Wen Yang
Man Yuan
Wei Gao
Wei Gao
Lu Long
Lu Long
author_sort Gai-Yuan Hu
collection DOAJ
description Protein fluorescence reporting systems are of crucial importance to in-depth life science research, providing systematic labeling tools for visualization of microscopic biological activities in vivo and revolutionizing basic research. Cotton somatic cell regeneration efficiency is low, causing difficulty in cotton transformation. It is conducive to screening transgenic somatic embryo using the fluorescence reporting system. However, available fluorescence labeling systems in cotton are currently limited. To optimize the fluorescence reporting system of cotton with an expanded range of available fluorescent proteins, we selected 11 fluorescent proteins covering red, green, yellow, and cyan fluorescence colors and expressed them in cotton. Besides mRuby2 and G3GFP, the other nine fluorescent proteins (mCherry, tdTomato, sfGFP, Clover, EYFP, YPet, mVenus, mCerulean, and ECFP) were stably and intensely expressed in transgenic callus and embryo, and inherited in different cotton organs derive from the screened embryo. In addition, transgenic cotton expressing tdTomato appears pink under white light, not only for callus and embryo tissues but also various organs of mature plants, providing a visual marker in the cotton genetic transformation process, accelerating the evaluation of transgenic events. Further, we constructed transgenic cotton expressing mCherry-labeled organelle markers in vivo that cover seven specific subcellular compartments: plasma membrane, endoplasmic reticulum, tonoplast, mitochondrion, plastid, Golgi apparatus, and peroxisome. We also provide a simple and highly efficient strategy to quickly determine the subcellular localization of uncharacterized proteins in cotton cells using organelle markers. Lastly, we built the first cotton stomatal fluorescence reporting system using stomata-specific expression promoters (ProKST1, ProGbSLSP, and ProGC1) to drive Clover expression. The optimized fluorescence labeling system for transgenic somatic embryo screening and functional gene labeling in this study offers the potential to accelerating somatic cell regeneration efficiency and the in vivo monitoring of diverse cellular processes in cotton.
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spelling doaj.art-f246cccedec343a39042a0278a51daac2022-12-21T19:35:04ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2022-01-011210.3389/fpls.2021.825212825212Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in CottonGai-Yuan Hu0Gai-Yuan Hu1Jia-Yi Ma2Jia-Yi Ma3Fen Li4Fen Li5Jing-Ruo Zhao6Jing-Ruo Zhao7Fu-Chun Xu8Fu-Chun Xu9Wen-Wen Yang10Man Yuan11Wei Gao12Wei Gao13Lu Long14Lu Long15State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaState Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, ChinaState Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, ChinaProtein fluorescence reporting systems are of crucial importance to in-depth life science research, providing systematic labeling tools for visualization of microscopic biological activities in vivo and revolutionizing basic research. Cotton somatic cell regeneration efficiency is low, causing difficulty in cotton transformation. It is conducive to screening transgenic somatic embryo using the fluorescence reporting system. However, available fluorescence labeling systems in cotton are currently limited. To optimize the fluorescence reporting system of cotton with an expanded range of available fluorescent proteins, we selected 11 fluorescent proteins covering red, green, yellow, and cyan fluorescence colors and expressed them in cotton. Besides mRuby2 and G3GFP, the other nine fluorescent proteins (mCherry, tdTomato, sfGFP, Clover, EYFP, YPet, mVenus, mCerulean, and ECFP) were stably and intensely expressed in transgenic callus and embryo, and inherited in different cotton organs derive from the screened embryo. In addition, transgenic cotton expressing tdTomato appears pink under white light, not only for callus and embryo tissues but also various organs of mature plants, providing a visual marker in the cotton genetic transformation process, accelerating the evaluation of transgenic events. Further, we constructed transgenic cotton expressing mCherry-labeled organelle markers in vivo that cover seven specific subcellular compartments: plasma membrane, endoplasmic reticulum, tonoplast, mitochondrion, plastid, Golgi apparatus, and peroxisome. We also provide a simple and highly efficient strategy to quickly determine the subcellular localization of uncharacterized proteins in cotton cells using organelle markers. Lastly, we built the first cotton stomatal fluorescence reporting system using stomata-specific expression promoters (ProKST1, ProGbSLSP, and ProGC1) to drive Clover expression. The optimized fluorescence labeling system for transgenic somatic embryo screening and functional gene labeling in this study offers the potential to accelerating somatic cell regeneration efficiency and the in vivo monitoring of diverse cellular processes in cotton.https://www.frontiersin.org/articles/10.3389/fpls.2021.825212/fullorganellesfluorescent proteinsubcellular localizationpromoter analysisvisual marker
spellingShingle Gai-Yuan Hu
Gai-Yuan Hu
Jia-Yi Ma
Jia-Yi Ma
Fen Li
Fen Li
Jing-Ruo Zhao
Jing-Ruo Zhao
Fu-Chun Xu
Fu-Chun Xu
Wen-Wen Yang
Man Yuan
Wei Gao
Wei Gao
Lu Long
Lu Long
Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
Frontiers in Plant Science
organelles
fluorescent protein
subcellular localization
promoter analysis
visual marker
title Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
title_full Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
title_fullStr Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
title_full_unstemmed Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
title_short Optimizing the Protein Fluorescence Reporting System for Somatic Embryogenesis Regeneration Screening and Visual Labeling of Functional Genes in Cotton
title_sort optimizing the protein fluorescence reporting system for somatic embryogenesis regeneration screening and visual labeling of functional genes in cotton
topic organelles
fluorescent protein
subcellular localization
promoter analysis
visual marker
url https://www.frontiersin.org/articles/10.3389/fpls.2021.825212/full
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