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Meneau F, Lapébie P, Daldello EM, Le T, Chevalier S, Assaf S, Houliston E, Jessus C, Miot M. ARPP19 phosphorylation site evolution and the switch in cAMP control of oocyte maturation in vertebrates. Development 2024; 151:dev202655. [PMID: 39576213 DOI: 10.1242/dev.202655] [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: 01/12/2024] [Accepted: 10/28/2024] [Indexed: 12/06/2024]
Abstract
cAMP-PKA signaling initiates the crucial process of oocyte meiotic maturation in many animals, but inhibits it in vertebrates. To address this 'cAMP paradox', we exchanged the key PKA substrate ARPP19 between representative species, the vertebrate Xenopus and the cnidarian Clytia, comparing its phosphorylation and function. We found that, as in Xenopus, Clytia maturing oocytes undergo ARPP19 phosphorylation on a highly conserved Gwl site, which inhibits PP2A and promotes M-phase entry. In contrast, despite a PKA phosphorylation signature motif recognizable across most animals, Clytia ARPP19 was only poorly phosphorylated by PKA in vitro and in vivo. Furthermore, unlike Xenopus ARPP19, exogenous Clytia ARPP19 did not delay Xenopus oocyte maturation. We conclude that, in Clytia, ARPP19 does not intervene in oocyte maturation initiation because of both poor recognition by PKA and the absence of effectors that mediate vertebrate oocyte prophase arrest. We propose that ancestral ARPP19 phosphorylated by Gwl has retained a key role in M-phase across eukaryotes and has acquired new functions during animal evolution mediated by enhanced PKA phosphorylation, allowing co-option into oocyte maturation regulation in the vertebrate lineage.
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Affiliation(s)
- Ferdinand Meneau
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, LBD - IBPS, F-75005 Paris, France
| | - Pascal Lapébie
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), F-06230 Villefranche-sur-mer, France
| | - Enrico Maria Daldello
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, LBD - IBPS, F-75005 Paris, France
| | - Tran Le
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, LBD - IBPS, F-75005 Paris, France
| | - Sandra Chevalier
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), F-06230 Villefranche-sur-mer, France
| | - Sarah Assaf
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), F-06230 Villefranche-sur-mer, France
| | - Evelyn Houliston
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), F-06230 Villefranche-sur-mer, France
| | - Catherine Jessus
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, LBD - IBPS, F-75005 Paris, France
| | - Marika Miot
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, LBD - IBPS, F-75005 Paris, France
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Lacroix B, Vigneron S, Labbé JC, Pintard L, Lionne C, Labesse G, Castro A, Lorca T. Increases in cyclin A/Cdk activity and in PP2A-B55 inhibition by FAM122A are key mitosis-inducing events. EMBO J 2024; 43:993-1014. [PMID: 38378890 PMCID: PMC10943098 DOI: 10.1038/s44318-024-00054-z] [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: 06/19/2023] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 02/22/2024] Open
Abstract
Entry into mitosis has been classically attributed to the activation of a cyclin B/Cdk1 amplification loop via a partial pool of this kinase becoming active at the end of G2 phase. However, how this initial pool is activated is still unknown. Here we discovered a new role of the recently identified PP2A-B55 inhibitor FAM122A in triggering mitotic entry. Accordingly, depletion of the orthologue of FAM122A in C. elegans prevents entry into mitosis in germline stem cells. Moreover, data from Xenopus egg extracts strongly suggest that FAM122A-dependent inhibition of PP2A-B55 could be the initial event promoting mitotic entry. Inhibition of this phosphatase allows subsequent phosphorylation of early mitotic substrates by cyclin A/Cdk, resulting in full cyclin B/Cdk1 and Greatwall (Gwl) kinase activation. Subsequent to Greatwall activation, Arpp19/ENSA become phosphorylated and now compete with FAM122A, promoting its dissociation from PP2A-B55 and taking over its phosphatase inhibition role until the end of mitosis.
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Affiliation(s)
- Benjamin Lacroix
- Université de Montpellier, Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), CNRS UMR 5237, 1919 Route de Mende, 34293, Montpellier cedex 5, France
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Suzanne Vigneron
- Université de Montpellier, Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), CNRS UMR 5237, 1919 Route de Mende, 34293, Montpellier cedex 5, France
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Jean Claude Labbé
- Université de Montpellier, Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), CNRS UMR 5237, 1919 Route de Mende, 34293, Montpellier cedex 5, France
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Lionel Pintard
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France
- Université Paris Cité, Institut Jacques Monod, F-75013, Paris, France
| | - Corinne Lionne
- Centre de Biologie Structurale (CBS), CNRS, INSERM, Montpellier University, Montpellier, France
| | - Gilles Labesse
- Centre de Biologie Structurale (CBS), CNRS, INSERM, Montpellier University, Montpellier, France
| | - Anna Castro
- Université de Montpellier, Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), CNRS UMR 5237, 1919 Route de Mende, 34293, Montpellier cedex 5, France.
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France.
| | - Thierry Lorca
- Université de Montpellier, Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), CNRS UMR 5237, 1919 Route de Mende, 34293, Montpellier cedex 5, France.
- Programme équipes Labellisées Ligue Contre le Cancer, Paris, France.
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Santoni M, Meneau F, Sekhsoukh N, Castella S, Le T, Miot M, Daldello EM. Unraveling the interplay between PKA inhibition and Cdk1 activation during oocyte meiotic maturation. Cell Rep 2024; 43:113782. [PMID: 38358892 DOI: 10.1016/j.celrep.2024.113782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 12/19/2023] [Accepted: 01/25/2024] [Indexed: 02/17/2024] Open
Abstract
Oocytes are arrested in prophase I. In vertebrates, meiotic resumption is triggered by hormonal stimulation that results in cAMP-dependent protein kinase (PKA) downregulation leading to Cdk1 activation. Yet the pathways connecting PKA to Cdk1 remain unclear. Here, we identify molecular events triggered by PKA downregulation occurring upstream of Cdk1 activation. We describe a two-step regulation controlling cyclin B1 and Mos accumulation, which depends on both translation and stabilization. Cyclin B1 accumulation is triggered by PKA inhibition upstream of Cdk1 activation, while its translation requires Cdk1 activity. Conversely, Mos translation initiates in response to the hormone, but the protein accumulates only downstream of Cdk1. Furthermore, two successive translation waves take place, the first controlled by PKA inhibition and the second by Cdk1 activation. Notably, Arpp19, an essential PKA effector, does not regulate the early PKA-dependent events. This study elucidates how PKA downregulation orchestrates multiple pathways that converge toward Cdk1 activation and induce the oocyte G2/M transition.
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Affiliation(s)
- Martina Santoni
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Ferdinand Meneau
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Nabil Sekhsoukh
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Sandrine Castella
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Tran Le
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Marika Miot
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France
| | - Enrico Maria Daldello
- Sorbonne Université-CNRS, Laboratoire de Biologie du Développement Institut de Biologie Paris Seine, LBD-IBPS, 75005 Paris, France.
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Zhang M, Liu C, Zhao L, Zhang X, Su Y. The Emerging Role of Protein Phosphatase in Regeneration. Life (Basel) 2023; 13:life13051216. [PMID: 37240861 DOI: 10.3390/life13051216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/16/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Maintaining normal cellular behavior is essential for the survival of organisms. One of the main mechanisms to control cellular behavior is protein phosphorylation. The process of protein phosphorylation is reversible under the regulation of protein kinases and protein phosphatases. The importance of kinases in numerous cellular processes has been well recognized. In recent years, protein phosphatases have also been demonstrated to function actively and specifically in various cellular processes and thus have gained more and more attention from researchers. In the animal kingdom, regeneration frequently occurs to replace or repair damaged or missing tissues. Emerging evidence has revealed that protein phosphatases are crucial for organ regeneration. In this review, after providing a brief overview of the classification of protein phosphatases and their functions in several representative developmental processes, we highlight the critical roles that protein phosphatases play in organ regeneration by summarizing the most recent research on the function and underlying mechanism of protein phosphatase in the regeneration of the liver, bone, neuron, and heart in vertebrates.
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Affiliation(s)
- Meiling Zhang
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Chenglin Liu
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Long Zhao
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Xuejiao Zhang
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Ying Su
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
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Lacroix B, Lorca T, Castro A. Structural, enzymatic and spatiotemporal regulation of PP2A-B55 phosphatase in the control of mitosis. Front Cell Dev Biol 2022; 10:967909. [PMID: 36105360 PMCID: PMC9465306 DOI: 10.3389/fcell.2022.967909] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/04/2022] [Indexed: 11/18/2022] Open
Abstract
Cells require major physical changes to induce a proper repartition of the DNA. Nuclear envelope breakdown, DNA condensation and spindle formation are promoted at mitotic entry by massive protein phosphorylation and reversed at mitotic exit by the timely and ordered dephosphorylation of mitotic substrates. This phosphorylation results from the balance between the activity of kinases and phosphatases. The role of kinases in the control of mitosis has been largely studied, however, the impact of phosphatases has long been underestimated. Recent data have now established that the regulation of phosphatases is crucial to confer timely and ordered cellular events required for cell division. One major phosphatase involved in this process is the phosphatase holoenzyme PP2A-B55. This review will be focused in the latest structural, biochemical and enzymatic insights provided for PP2A-B55 phosphatase as well as its regulators and mechanisms of action.
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Affiliation(s)
- Benjamin Lacroix
- Centre de Recherche en Biologie Cellulaire de Montpellier (CRBM), CNRS UMR5237, Université de Montpellier, CNRS UMR5237Montpellier, France
- Équipe Labellisée “Ligue Nationale Contre le Cancer”, Paris, France
| | - Thierry Lorca
- Centre de Recherche en Biologie Cellulaire de Montpellier (CRBM), CNRS UMR5237, Université de Montpellier, CNRS UMR5237Montpellier, France
- Équipe Labellisée “Ligue Nationale Contre le Cancer”, Paris, France
| | - Anna Castro
- Centre de Recherche en Biologie Cellulaire de Montpellier (CRBM), CNRS UMR5237, Université de Montpellier, CNRS UMR5237Montpellier, France
- Équipe Labellisée “Ligue Nationale Contre le Cancer”, Paris, France
- *Correspondence: Anna Castro,
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