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Deng L, Wang T, Hu J, Yang X, Yao Y, Jin Z, Huang Z, Sun G, Xiong B, Liao L, Wang Z. Effects of Pollen Sources on Fruit Set and Fruit Characteristics of 'Fengtangli' Plum ( Prunus salicina Lindl.) Based on Microscopic and Transcriptomic Analysis. Int J Mol Sci 2022; 23:12959. [PMID: 36361746 PMCID: PMC9656660 DOI: 10.3390/ijms232112959] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 09/29/2023] Open
Abstract
Adequate yield and fruit quality are required in commercial plum production. The pollen source has been shown to influence fruit set and fruit characteristics. In this study, 'Siyueli', 'Fenghuangli' and 'Yinhongli' were used as pollinizers of 'Fengtangli' plum. Additionally, self-pollination, mixed pollination, and open pollination were performed. We characterized the differences in pollen tube growth, fruit set and fruit quality among pollination combinations. 'Fengtangli' flowers pollinated by 'Fenghuangli' had more pistils with pollen tubes penetrating the ovary and the highest fruit set rate, while the lowest fruit set rate was obtained from self-pollination. In self-pollinated flowers, 33% of pistils had at least one pollen tube reaching the ovary, implying that 'Fengtangli' is partially self-compatible. Pollen sources affected 'Fengtangli' fruit size, weight, pulp thickness, soluble solids, and sugar content. Transcriptome analysis of 'Siyueli'-pollinated and 'Yinhongli'-pollinated fruits revealed 2762 and 1018 differentially expressed genes (DEGs) involved in the response to different pollen sources. DEGs were enriched in plant hormone signal transduction, starch and sucrose metabolism, and MAPK signaling pathways. Our findings provide a reference for the selection of suitable pollinizers for 'Fengtangli' plum and promote future research on the metaxenia effect at the molecular level.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Zhihui Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
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Abhinandan K, Sankaranarayanan S, Macgregor S, Goring DR, Samuel MA. Cell-cell signaling during the Brassicaceae self-incompatibility response. TRENDS IN PLANT SCIENCE 2022; 27:472-487. [PMID: 34848142 DOI: 10.1016/j.tplants.2021.10.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 10/15/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
Self-incompatibility (SI) is a mechanism that many plant families employ to prevent self-fertilization. In the Brassicaceae, the S-haplotype-specific interaction of the pollen-borne ligand, and a stigma-specific receptor protein kinase triggers a signaling cascade that culminates in the rejection of self-pollen. While the upstream molecular components at the receptor level of the signaling pathway have been extensively studied, the intracellular responses beyond receptor activation were not as well understood. Recent research has uncovered several key molecules and signaling events that operate in concert for the manifestation of the self-incompatible responses in Brassicaceae stigmas. Here, we review the recent discoveries in both the compatible and self-incompatible pathways and provide new perspectives on the early stages of Brassicaceae pollen-pistil interactions.
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Affiliation(s)
- Kumar Abhinandan
- University of Calgary, Department of Biological Sciences, Calgary, Alberta T2N 1N4, Canada; 20/20 Seed Labs Inc., Nisku, Alberta T9E 7N5, Canada
| | | | - Stuart Macgregor
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario M5S 3B2, Canada
| | - Daphne R Goring
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario M5S 3B2, Canada
| | - Marcus A Samuel
- University of Calgary, Department of Biological Sciences, Calgary, Alberta T2N 1N4, Canada.
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Li B, Zhang X, Liu Z, Wang L, Song L, Liang X, Dou S, Tu J, Shen J, Yi B, Wen J, Fu T, Dai C, Gao C, Wang A, Ma C. Genetic and Molecular Characterization of a Self-Compatible Brassica rapa Line Possessing a New Class II S Haplotype. PLANTS (BASEL, SWITZERLAND) 2021; 10:plants10122815. [PMID: 34961286 PMCID: PMC8709392 DOI: 10.3390/plants10122815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/01/2021] [Accepted: 12/03/2021] [Indexed: 05/20/2023]
Abstract
Most flowering plants have evolved a self-incompatibility (SI) system to maintain genetic diversity by preventing self-pollination. The Brassica species possesses sporophytic self-incompatibility (SSI), which is controlled by the pollen- and stigma-determinant factors SP11/SCR and SRK. However, the mysterious molecular mechanism of SI remains largely unknown. Here, a new class II S haplotype, named BrS-325, was identified in a pak choi line '325', which was responsible for the completely self-compatible phenotype. To obtain the entire S locus sequences, a complete pak choi genome was gained through Nanopore sequencing and de novo assembly, which provided a good reference genome for breeding and molecular research in B. rapa. S locus comparative analysis showed that the closest relatives to BrS-325 was BrS-60, and high sequence polymorphism existed in the S locus. Meanwhile, two duplicated SRKs (BrSRK-325a and BrSRK-325b) were distributed in the BrS-325 locus with opposite transcription directions. BrSRK-325b and BrSCR-325 were expressed normally at the transcriptional level. The multiple sequence alignment of SCRs and SRKs in class II S haplotypes showed that a number of amino acid variations were present in the contact regions (CR II and CR III) of BrSCR-325 and the hypervariable regions (HV I and HV II) of BrSRK-325s, which may influence the binding and interaction between the ligand and the receptor. Thus, these results suggested that amino acid variations in contact sites may lead to the SI destruction of a new class II S haplotype BrS-325 in B. rapa. The complete SC phenotype of '325' showed the potential for practical breeding application value in B. rapa.
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Affiliation(s)
- Bing Li
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Xueli Zhang
- Wuhan Vegetable Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430345, China; (X.Z.); (L.S.)
| | - Zhiquan Liu
- Hunan Vegetable Research Institute, Hunan Academy of Agricultural Science, Changsha 410125, China;
| | - Lulin Wang
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Liping Song
- Wuhan Vegetable Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430345, China; (X.Z.); (L.S.)
| | - Xiaomei Liang
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Shengwei Dou
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Jinxing Tu
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Jinxiong Shen
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Bin Yi
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Jing Wen
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Tingdong Fu
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Cheng Dai
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
| | - Changbin Gao
- Wuhan Vegetable Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430345, China; (X.Z.); (L.S.)
- Correspondence: (C.G.); (A.W.); (C.M.); Tel.: +86-27-8728-18-07 (C.M.)
| | - Aihua Wang
- Wuhan Vegetable Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430345, China; (X.Z.); (L.S.)
- Correspondence: (C.G.); (A.W.); (C.M.); Tel.: +86-27-8728-18-07 (C.M.)
| | - Chaozhi Ma
- National Sub-Center of Rapeseed Improvement in Wuhan, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (B.L.); (L.W.); (X.L.); (S.D.); (J.T.); (J.S.); (B.Y.); (J.W.); (T.F.); (C.D.)
- Correspondence: (C.G.); (A.W.); (C.M.); Tel.: +86-27-8728-18-07 (C.M.)
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Kodera C, Just J, Da Rocha M, Larrieu A, Riglet L, Legrand J, Rozier F, Gaude T, Fobis-Loisy I. The molecular signatures of compatible and incompatible pollination in Arabidopsis. BMC Genomics 2021; 22:268. [PMID: 33853522 PMCID: PMC8048354 DOI: 10.1186/s12864-021-07503-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 03/02/2021] [Indexed: 12/30/2022] Open
Abstract
Background Fertilization in flowering plants depends on the early contact and acceptance of pollen grains by the receptive papilla cells of the stigma. Deciphering the specific transcriptomic response of both pollen and stigmatic cells during their interaction constitutes an important challenge to better our understanding of this cell recognition event. Results Here we describe a transcriptomic analysis based on single nucleotide polymorphisms (SNPs) present in two Arabidopsis thaliana accessions, one used as female and the other as male. This strategy allowed us to distinguish 80% of transcripts according to their parental origins. We also developed a tool which predicts male/female specific expression for genes without SNP. We report an unanticipated transcriptional activity triggered in stigma upon incompatible pollination and show that following compatible interaction, components of the pattern-triggered immunity (PTI) pathway are induced on the female side. Conclusions Our work unveils the molecular signatures of compatible and incompatible pollinations both at the male and female side. We provide invaluable resource and tools to identify potential new molecular players involved in pollen-stigma interaction. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07503-7.
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Affiliation(s)
- Chie Kodera
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France. .,Present Address: Institut Jean-Pierre Bourgin, INRAE, AgroParisTech, Université Paris-Saclay, 78000, Versailles, France.
| | - Jérémy Just
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France
| | - Martine Da Rocha
- INRAE, Université Côte d'Azur, CNRS, ISA 400 route des Chappes BP 167, F-06903, Sophia Antipolis Cedex, France
| | - Antoine Larrieu
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France.,Present Address: Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Lucie Riglet
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France.,Present Address: Sainsbury Laboratory, Cambridge University, Cambridge, CB2 1LR, UK
| | - Jonathan Legrand
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France
| | - Frédérique Rozier
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France
| | - Thierry Gaude
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France
| | - Isabelle Fobis-Loisy
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, Inria, F-69342, Lyon, France.
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Muñoz-Sanz JV, Zuriaga E, Cruz-García F, McClure B, Romero C. Self-(In)compatibility Systems: Target Traits for Crop-Production, Plant Breeding, and Biotechnology. FRONTIERS IN PLANT SCIENCE 2020; 11:195. [PMID: 32265945 PMCID: PMC7098457 DOI: 10.3389/fpls.2020.00195] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/10/2020] [Indexed: 05/13/2023]
Abstract
Self-incompatibility (SI) mechanisms prevent self-fertilization in flowering plants based on specific discrimination between self- and non-self pollen. Since this trait promotes outcrossing and avoids inbreeding it is a widespread mechanism of controlling sexual plant reproduction. Growers and breeders have effectively exploited SI as a tool for manipulating domesticated crops for thousands of years. However, only within the past thirty years have studies begun to elucidate the underlying molecular features of SI. The specific S-determinants and some modifier factors controlling SI have been identified in the sporophytic system exhibited by Brassica species and in the two very distinct gametophytic systems present in Papaveraceae on one side and in Solanaceae, Rosaceae, and Plantaginaceae on the other. Molecular level studies have enabled SI to SC transitions (and vice versa) to be intentionally manipulated using marker assisted breeding and targeted approaches based on transgene integration, silencing, and more recently CRISPR knock-out of SI-related factors. These scientific advances have, in turn, provided a solid basis to implement new crop production and plant breeding practices. Applications of self-(in)compatibility include widely differing objectives such as crop yield and quality improvement, marker-assisted breeding through SI genotyping, and development of hybrids for overcoming intra- and interspecific reproductive barriers. Here, we review scientific progress as well as patented applications of SI, and also highlight future prospects including further elucidation of SI systems, deepening our understanding of SI-environment relationships, and new perspectives on plant self/non-self recognition.
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Affiliation(s)
| | - Elena Zuriaga
- Centro de Citricultura y Producción Vegetal, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain
| | - Felipe Cruz-García
- Departmento de Bioquímica, Facultad de Química, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
| | - Bruce McClure
- Department of Biochemistry, University of Missouri, Columbia, MO, United States
| | - Carlos Romero
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Científicas (CSIC)—Universitat Politécnica de València (UPV), Valencia, Spain
- *Correspondence: Carlos Romero,
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6
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Recent Advances in MS-Based Plant Proteomics: Proteomics Data Validation Through Integration with Other Classic and -Omics Approaches. PROGRESS IN BOTANY 2019. [DOI: 10.1007/124_2019_32] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Sehgal N, Singh S. Progress on deciphering the molecular aspects of cell-to-cell communication in Brassica self-incompatibility response. 3 Biotech 2018; 8:347. [PMID: 30073132 PMCID: PMC6066494 DOI: 10.1007/s13205-018-1372-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 07/26/2018] [Indexed: 10/28/2022] Open
Abstract
The sporophytic system of self-incompatibility is a widespread genetic phenomenon in plant species, promoting out-breeding and maintaining genetic diversity. This phenomenon is of commercial importance in hybrid breeding of Brassicaceae crops and is controlled by single S locus with multiple S haplotypes. The molecular genetic studies of Brassica 'S' locus has revealed the presence of three tightly linked loci viz. S-receptor kinase (SRK), S-locus cysteine-rich protein/S-locus protein 11 (SCR/SP11), and S-locus glycoprotein (SLG). On self-pollination, the allele-specific ligand-receptor interaction activates signal transduction in stigma papilla cells and leads to rejection of pollen tube on stigmatic surface. In addition, arm-repeat-containing protein 1 (ARC1), M-locus protein kinase (MLPK), kinase-associated protein phosphatase (KAPP), exocyst complex subunit (Exo70A1) etc. has been identified in Brassica crops and plays a key role in self-incompatibility signaling pathway. Furthermore, the cytoplasmic calcium (Ca2+) influx in papilla cells also mediates self-incompatibility response in Brassicaceae, but how this cytoplasmic Ca2+ influx triggers signal transduction to inhibit pollen hydration is still obscure. There are many other signaling components which are not well characterized yet. Much progress has been made in elucidating the downstream multiple pathways of Brassica self-incompatibility response. Hence, in this review, we have made an effort to describe the recent advances made on understanding the molecular aspects of genetic mechanism of self-incompatibility in Brassicaceae.
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Affiliation(s)
- Nidhi Sehgal
- Department of Vegetable Science, CCS Haryana Agricultural University, Hisar, 125 004 India
| | - Saurabh Singh
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute (IARI), New Delhi, 110 012 India
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8
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Jany E, Nelles H, Goring DR. The Molecular and Cellular Regulation of Brassicaceae Self-Incompatibility and Self-Pollen Rejection. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2018; 343:1-35. [PMID: 30712670 DOI: 10.1016/bs.ircmb.2018.05.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In flowering plants, sexual reproduction is actively regulated by cell-cell communication between the male pollen and female pistil, and many species possess self-incompatibility systems for the selective rejection of self-pollen to maintain genetic diversity. The Brassicaceae self-incompatibility pathway acts early on when pollen grains have landed on the stigmatic papillae at the top of the pistil. Extensive studies have revealed that self-pollen rejection in the Brassicaceae is initiated by an S-haplotype-specific interaction between two polymorphic proteins: the pollen S-locus protein 11/S cysteine-rich (SP11/SCR) ligand and the stigma S receptor kinase (SRK). While the different S-haplotypes are typically codominant, there are several examples of dominant-recessive interactions, and a small RNA-based regulation of SP11/SCR expression has been uncovered as a mechanism behind these genetic interactions. Recent research has also added to our understanding of various cellular components in the pathway leading from the SP11/SCR-SRK interaction, including two signaling proteins, the M-locus protein kinase (MLPK) and the ARM-repeat containing 1 (ARC1) E3 ligase, as well as calcium fluxes and induction of autophagy in the stigmatic papillae. Finally, a better understanding of the compatible pollen responses that are targeted by the self-incompatibility pathway is starting to emerge, and this will allow us to more fully understand how the Brassicaceae self-incompatibility pathway causes self-pollen rejection. Here, we provide an overview of the field, highlighting recent contributions to our understanding of Brassicaceae self-incompatibility, and draw comparisons to a recently discovered unilateral incompatibility system.
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Affiliation(s)
- Eli Jany
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Hayley Nelles
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Daphne R Goring
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada; Centre for Genome Analysis & Function, University of Toronto, Toronto, ON, Canada
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Yang Y, Liu Z, Zhang T, Zhou G, Duan Z, Li B, Dou S, Liang X, Tu J, Shen J, Yi B, Fu T, Dai C, Ma C. Mechanism of Salt-Induced Self-Compatibility Dissected by Comparative Proteomic Analysis in Brassica napus L. Int J Mol Sci 2018; 19:E1652. [PMID: 29865276 PMCID: PMC6032146 DOI: 10.3390/ijms19061652] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/29/2018] [Accepted: 05/30/2018] [Indexed: 12/18/2022] Open
Abstract
Self-incompatibility (SI) in plants genetically prevents self-fertilization to promote outcrossing and genetic diversity. Its hybrids in Brassica have been widely cultivated due to the propagation of SI lines by spraying a salt solution. We demonstrated that suppression of Brassica napus SI from edible salt solution treatment was ascribed to sodium chloride and independent of S haplotypes, but it did not obviously change the expression of SI-related genes. Using the isobaric tags for relative and absolute quantitation (iTRAQ) technique, we identified 885 differentially accumulated proteins (DAPs) in Brassica napus stigmas of un-pollinated (UP), pollinated with compatible pollen (PC), pollinated with incompatible pollen (PI), and pollinated with incompatible pollen after edible salt solution treatment (NA). Of the 307 DAPs in NA/UP, 134 were unique and 94 were shared only with PC/UP. In PC and NA, some salt stress protein species, such as glyoxalase I, were induced, and these protein species were likely to participate in the self-compatibility (SC) pathway. Most of the identified protein species were related to metabolic pathways, biosynthesis of secondary metabolites, ribosome, and so on. A systematic analysis implied that salt treatment-overcoming SI in B.napus was likely conferred by at least five different physiological mechanisms: (i) the use of Ca2+ as signal molecule; (ii) loosening of the cell wall to allow pollen tube penetration; (iii) synthesis of compatibility factor protein species for pollen tube growth; (iv) depolymerization of microtubule networks to facilitate pollen tube movement; and (v) inhibition of protein degradation pathways to restrain the SI response.
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Affiliation(s)
- Yong Yang
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zhiquan Liu
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Tong Zhang
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Guilong Zhou
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zhiqiang Duan
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Bing Li
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Shengwei Dou
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Xiaomei Liang
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Jinxing Tu
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Jinxiong Shen
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Bin Yi
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Tingdong Fu
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Cheng Dai
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
| | - Chaozhi Ma
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, Huazhong Agricultural University, Wuhan 430070, China.
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10
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Sankaranarayanan S, Jamshed M, Kumar A, Skori L, Scandola S, Wang T, Spiegel D, Samuel MA. Glyoxalase Goes Green: The Expanding Roles of Glyoxalase in Plants. Int J Mol Sci 2017; 18:ijms18040898. [PMID: 28441779 PMCID: PMC5412477 DOI: 10.3390/ijms18040898] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 04/11/2017] [Accepted: 04/11/2017] [Indexed: 01/01/2023] Open
Abstract
The ubiquitous glyoxalase enzymatic pathway is involved in the detoxification of methylglyoxal (MG), a cytotoxic byproduct of glycolysis. The glyoxalase system has been more extensively studied in animals versus plants. Plant glyoxalases have been primarily associated with stress responses and their overexpression is known to impart tolerance to various abiotic stresses. In plants, glyoxalases exist as multigene families, and new roles for glyoxalases in various developmental and signaling pathways have started to emerge. Glyoxalase-based MG detoxification has now been shown to be important for pollination responses. During self-incompatibility response in Brassicaceae, MG is required to target compatibility factors for proteasomal degradation, while accumulation of glyoxalase leads to MG detoxification and efficient pollination. In this review, we discuss the importance of glyoxalase systems and their emerging biological roles in plants.
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Affiliation(s)
- Subramanian Sankaranarayanan
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
| | - Muhammad Jamshed
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
| | - Abhinandan Kumar
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
| | - Logan Skori
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
| | - Sabine Scandola
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
| | - Tina Wang
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06511, USA.
| | - David Spiegel
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06511, USA.
| | - Marcus A Samuel
- Department of Biological Sciences, University of Calgary, Calgary AB T2N 1N4, Canada.
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Doucet J, Lee HK, Goring DR. Pollen Acceptance or Rejection: A Tale of Two Pathways. TRENDS IN PLANT SCIENCE 2016; 21:1058-1067. [PMID: 27773670 DOI: 10.1016/j.tplants.2016.09.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 09/02/2016] [Accepted: 09/26/2016] [Indexed: 05/21/2023]
Abstract
While the molecular and cellular basis of self-incompatibility leading to self-pollen rejection in the Brassicaceae has been extensively studied, relatively little attention has been paid to compatible pollen recognition and the corresponding cellular responses in the stigmatic papillae. This is now changing because research has started to uncover steps in the Brassicaceae 'basal compatible pollen response pathway' in the stigma leading to pollen hydration and germination. Furthermore, recent studies suggest that self-incompatible pollen activates both the basal compatible pathway and the self-incompatibility pathway in the stigma, with the self-incompatibility response ultimately prevailing to reject self-pollen. We review here recent discoveries in both pathways and discuss how compatible pollen is accepted by the stigma versus the rejection of self-incompatible pollen.
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Affiliation(s)
- Jennifer Doucet
- Department of Cell and Systems Biology, University of Toronto, Toronto M5S 3B2, Canada
| | - Hyun Kyung Lee
- Department of Cell and Systems Biology, University of Toronto, Toronto M5S 3B2, Canada
| | - Daphne R Goring
- Department of Cell and Systems Biology, University of Toronto, Toronto M5S 3B2, Canada; Centre for the Analysis of Genome Evolution and Function, University of Toronto, Toronto M5S 3B2, Canada.
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12
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Nazemof N, Couroux P, Xing T, Robert LS. Proteomic analysis of the mature Brassica stigma reveals proteins with diverse roles in vegetative and reproductive development. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2016; 250:51-58. [PMID: 27457983 DOI: 10.1016/j.plantsci.2016.05.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/25/2016] [Accepted: 05/27/2016] [Indexed: 06/06/2023]
Abstract
The stigma, the specialized apex of the Brassicaceae gynoecium, plays a role in pollen capture, discrimination, hydration, germination, and guidance. Despite this crucial role in reproduction, the global proteome underlying Brassicaceae stigma development and function remains largely unknown. As a contribution towards the characterization of the Brassicaceae dry stigma global proteome, more than 2500 Brassica napus mature stigma proteins were identified using three different gel-based proteomics approaches. Most stigma proteins participated in Metabolic Processes, Responses to Stimulus or Stress, Cellular or Developmental Processes, and Transport. The stigma was found to express a wide variety of proteins with demonstrated roles in cellular and organ development including proteins known to be involved in cellular expansion and morphogenesis, embryo development, as well as gynoecium and stigma development. Comparisons to a corresponding proteome from a very morphologically different Poaceae dry stigma showed a very similar distribution of proteins among different functional categories, but also revealed evident distinctions in protein composition especially in glucosinolate and carotenoid metabolism, photosynthesis, and self-incompatibility. To our knowledge, this study reports the largest Brassicaceae stigma protein dataset described to date.
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Affiliation(s)
- Nazila Nazemof
- Agriculture and Agri-Food Canada, Ottawa Research and Development Centre, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada; Carleton University, Department of Biology, 1125 Colonel By Drive, Ottawa, ON, Canada.
| | - Philippe Couroux
- Agriculture and Agri-Food Canada, Ottawa Research and Development Centre, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada.
| | - Tim Xing
- Carleton University, Department of Biology, 1125 Colonel By Drive, Ottawa, ON, Canada.
| | - Laurian S Robert
- Agriculture and Agri-Food Canada, Ottawa Research and Development Centre, 960 Carling Avenue, Ottawa, ON K1A 0C6, Canada.
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13
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Sankaranarayanan S, Jamshed M, Samuel MA. Degradation of glyoxalase I in Brassica napus stigma leads to self-incompatibility response. NATURE PLANTS 2015; 1:15185. [PMID: 27251720 DOI: 10.1038/nplants.2015.185] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 10/15/2015] [Indexed: 05/18/2023]
Abstract
Self-incompatibility (rejection of 'self'-pollen) is a reproductive barrier that allows hermaphroditic flowering plants to prevent inbreeding, to promote outcrossing and hybrid vigour. The self-incompatibility response in Brassica involves allele-specific interaction between the pollen small cysteine-rich, secreted protein ligand (SCR/SP11) and the stigmatic S-receptor kinase (SRK), which leads to the activation of the E3 ubiquitin ligase ARC1 (Armadillo repeat-containing 1), resulting in proteasomal degradation of compatibility factors needed for successful pollination. Despite this, targets of ARC1 and the intracellular signalling network that is regulated by these targets, have remained elusive. Here we show that glyoxalase I (GLO1), an enzyme that is required for the detoxification of methylglyoxal (MG, a cytotoxic by-product of glycolysis), is a stigmatic compatibility factor required for pollination to occur and is targeted by the self-incompatibility system. Suppression of GLO1 was sufficient to reduce compatibility, and overexpression of GLO1 in self-incompatible Brassica napus stigmas resulted in partial breakdown of the self-incompatibility response. ARC1-mediated destruction of GLO1 after self-pollination results in increased MG levels and a concomitant increase in MG-modified proteins (including GLO1), which are efficiently targeted for destruction in the papillary cells, leading to pollen rejection. Our findings demonstrate the elegant nature of plants to use a metabolic by-product to regulate the self-incompatibility response.
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Affiliation(s)
| | - Muhammad Jamshed
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Marcus A Samuel
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
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14
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Proteomics Advances in the Understanding of Pollen-Pistil Interactions. Proteomes 2014; 2:468-484. [PMID: 28250391 PMCID: PMC5302694 DOI: 10.3390/proteomes2040468] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 09/22/2014] [Accepted: 09/23/2014] [Indexed: 12/19/2022] Open
Abstract
The first key point to the successful pollination and fertilization in plants is the pollen-pistil interaction, referring to the cellular and molecular levels, which mainly involve the haploid pollen and the diploid pistil. The process is defined as “siphonogamy”, which starts from the capture of pollen by the epidermis of stigma and ends up with the fusion of sperm with egg. So far, the studies of the pollen-pistil interaction have been explicated around the self-compatibility and self-incompatibility (SI) process in different species from the molecular genetics and biochemistry to cellular and signal levels, especially the mechanism of SI system. Among them, numerous proteomics studies based on the advanced technologies from gel-system to gel-free system were conducted, focusing on the interaction, in order to uncover the mechanism of the process. The current review mainly focuses on the recent developments in proteomics of pollen-pistil interaction from two aspects: self-incompatible and compatible pollination. It might provide a comprehensive insight on the proteins that were involved in the regulation of pollen-pistil interaction.
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