May-June 2023: Preparation of the Summer School - Shape the future " The many uses of plants ", organized by the EUR CBH, which will be held at the University Grenoble Alpes (UGA), June 26-30, 2023. Master and PhD students can register at this link. Free of charge for UGA Master or PhD students.
Possible ECTS according to the Master's degree.

April 2023: Farewell party for Anne-Marie Boisson retirement. Enjoy, Anne-Marie!



March 2023: Participation to the 48 hours seminar of the Labex Gral in Autrans.
Marie Le Masson and Vangeli Geshkovski present posters:
- Le Masson M, Carles C : Plant Tissue and Organ Imaging platform.
- Geshkovski V, Izquierdo JB, Brugière S, Kadlec J, Pflieger D, Vachon G and Carles C. Chromatin switches in plants: Molecular mechanisms of the ULTRAPETALA1 protein.

January 2023: Welcome to Veronica-Astrid Morlacchi, 1^st year student of the Master PLANT-Int and to Eugenio Reale, 2^nd year student of the Master PLANT-Int; welcome to Quentin Depeyre, 2^nd year Master Physiology, epigenetics, differentiation and cancer, welcome to Christoffer Löved, Master 2 Erasmus student from Umeå University and Emilien Krempf, M2 NanoBiotec student from UGA, for their internships!

December 2022: Participation of Soumiya, PhD student of the team, to the EMBO Workshop India on structural biology.
Poster: Sankari Muthukumar S, Blanvillain R and Cobessi D. Towards the 3D structure of plastid-encoded RNA polymerase by cryo-EM: envelope and subunit interactions.

November 2022: Our paper « Lysine 27 of histone H3.3 is a fine modulator of developmental gene expression and stands as an epigenetic checkpoint for lignin biosynthesis in Arabidopsis” by Fal K, Berr A, Le Masso M, Faigenboim A, Pan Eo, Ishkhneli N, Moyal NL, Villette C, Tomkova D, Chabouté ME, Williams LE, Carles CC, , is accepted in the journal The New Phytologist ! (doi: 10.1111/nph.18666).
With one of our results on the cover of the journal.
Welcome to Marie-Catherine Ducarre who will spend a year in the lab as Technician student




September 2022: PLANT-Int Master integration week and organization (Cristel) and participation to the Annual PLANT-Int Symposium (APIS) in Jardin du Lautaret (France).
Oral communication of Vangeli, PhD student in the team: “Molecular mechanisms of the ULTRAPETALA1 protein”.




August 2022: Two publications on PAPs and chloroplast biogenesis are out!
The article: : Ruedas R, Coute Y, Kieffer-Jaquinod S, Sankari Muthukumar S, Gillet F-X, Fenel D, Effantin G, Pfannschmidt T, Blanvillain R, Cobessi D. (2022) Three-dimensional envelope and subunit interactions of the plastid-encoded RNA polymerase fromSinapis alba. Int J Mol Sci. 23(17):9922.
And the Darwin Review : Liebers M, Cozzi C, Uecker F, Chambon L, Blanvillain R, Pfannschmidt T. (2022) Biogenic signals from plastids and their role in chloroplast development. J. Exp. Bot. (DOI: 10.1093/jxb/erac344)..

July 2022: Our PRC project ChromSwitch (in collaboration with Jan Kadlec from IBS Grenoble) is funded by the ANR!

June 2022: Participation to the EPIPLANT meeting on Plant Epigenetics in Banyuls sur mer (France), June 22-24, 2022.
Oral communication of Jean-Baptiste, PhD student in the team: Izquierdo JB : Structural and biochemical study of the plant-specific Polycomb interacter ULTRAPETALA1.
Posters of Vangeli, PhD student, and Kateryna, postdoc in the team:
- Geshkovski V, Izquierdo JB, Brugière S, Kadlec J, Pflieger D, Vachon G and Carles C. Chromatin switches in plants: Molecular mechanisms of the ULTRAPETALA1 protein.
- Fal K, Le Masson M, Chabouté ME, Berr A and Carles C. Manipulating Histone methylation in Arabidopsis with the dCas9 tool: de-repression of the CUC3 boundary gene as a study case.

May 2022: Participation to the 7^th European Workshop on Plant Chromatin in Pruhonice (Czech Republic), 18-20 May 2022.
Oral communication of Kateryna, postdoc in the team: Fal K. Manipulating Histone methylation in Arabidopsis with the dCas9 tool: de-repression of the CUC3 boundary gene as a study case.
Posters of our PhD students Vangeli and Jean-Baptiste:
- Geshkovski V, Izquierdo JB, Brugière S, Kadlec J, Pflieger D, Vachon G and Carles C. Chromatin switches in plants: Molecular mechanisms of the ULTRAPETALA1 protein.
- Izquierdo JB, Geshkovski V, Thouly C, Thevenon E, Vachon G, Pellegrini E, Kadlec J and Carles C. Structural and biochemical study of the plant-specific Polycomb antagonist ULTRAPETALA1.

March 2022 : Release of the team article « PAP8/pTAC6 is part of a nuclear protein complex and displays RNA recognition motifs of viral origin” par Chambon L, Gillet FX, Chieb M, Cobessi D, Pfannschmidt T, Blanvillain R dans Int J Mol Sci (doi: 10.3390/ijms23063059).

January 2022: Welcome to Noor Pasha, 2^nd year student of the Master PLANT-Int and to Maud Turquand, 2^nd year student of the Master Erasmus Mundus TROPIMUNDO.

October 2021: Promotion of two members of the team: Cristel Carles obtains the title of Full Professor and Gilles Vachon becomes Chargé de Recherche Hors Classe. Congratulations to both!
Welcome to Anne-Marie Boisson who joins the team as a technician.

September 2021: Vangeli Geshkovski starts his PhD in the team, let's go!
PLANT-Int Master integration week and organization (Cristel and Vangeli) and participation to the Annual PLANT-Int Symposium (APIS) in Jardin du Lautaret (France), September 21^st 2021.
Oral communication of Vangeli: « Molecular mechanisms of the ULTRAPETALA1 protein. »

July 2021 : Participation to the virtual ICAR congress (The 31^st International Conference on Arabidopsis research).
Poster of Kateryna: Fal K, Tomkova D, Le Masson M, Faigenboim A, Pano E, Ishkheli N, Moyal NL, Villette C, M.E. C., Berr A, Williams LE and Carles CC. Lysine 27 of Histone H3.3 is a fine modulator of developmental gene expression and stands as an epigenetic checkpoint for lignin biosynthesis in Arabidopsis.

June 2021: Release of the article "The plastid-encoded RNA polymerase-associated protein PAP9 is a superoxide dismutase with unusual structural features" by Favier A, Gans P, Boeri Erba E, Signor L, Sankari Muthukumar S, Pfannschmidt T, Blanvillain R & Cobessi D, in the journal Frontiers in Plant Sciences (doi: 10.3389/fpls.2021.668897).

February 2021: Participation to the EPIPLANT virtual meeting on Plant Epigenetics, Perpignan (France). Cristel Carles is Chairwoman and invited plenary speaker with a presentation entitled: "Lysine 27 of histone H3.3 is a fine modulator of gene expression and developmental fates in Arabidopsis"

January 2021: Welcome to Vangeli Geshkovski, 2^nd year PLANT-Int student, who joined us for his Master’s thesis, during which he will contribute studying the molecular mechanisms of ULT1.
Out in IJMS: Our review on Chromatin Manipulation and Editing, written in collaboration with our ANR partners (team of Alexandre Berr and Marie-Edith Chabouté).
Marie Le Masson is promoted Ingénieure d’Etude. Congratulations!

December 2020 : Welcome to Soumiya Sankari Muthukumar, PhD student (EUR CBS funding) on the project of characterization of the PAP-PEP complex, under the supervision of Robert Blanvillain (in co-direction with David Cobessi from IBS)

November 2020: Out in Embo J: The story of the nucleo-plastidic PAP8 protein that couples chloroplast formation with photomorphogenesis, co-authoring former PhD student Monique Liebers and post-doc François-Xavier, as well as Louise Chambon.

September 2020: Welcome to Isaty Melogno and Mirko De Vivo, 2^nd year students in the PLANT-Int Master, who joined us for their first semester internship to respectively work on the PAP8 and Rewire projects.
Congrats to François-Xavier Gillet who is leaving us for an Ass. Prof. position at Université Claude Bernard Lyon. We are very sad to see you leaving prematurely FX, but this is such a great accomplishment!

January 2020: Out in Gene: Our review on BRAHMA function in plants, with 1^st author Caroline Thouly.

October 2019: Welcome to Jean-Baptiste Izquierdo who starts his PhD (CEA DRF funding) on the structural and biochemical study of Polycomb ULTRAPETALA1 in Arabidopsis thaliana, under the supervision of Cristel Carles (in co-direction with Jan Kadlec from IBS).

September 2019: Welcome to Kateryna Fal, new post-doc in the lab, who joined us to work on the Rewire ANR-funded project!

1^st July 2019: Gilles Vachon from the team defended his HDR today. Congrats Gilles!

June 2019: Participation to the 6^th European Workshop on Plant Chromatin, Cologne (Germany), June Cristel Carles is invited plenary speaker ("ULTRAPETALA: At the crossroads of chromatin regulators".)

April 2019: Out in Nature Communications: Collaborative study with K. Kaufmann lab on enhancer dynamics during flower morphogenesis.

Feb 2019: Launching meeting of the ANR PRC Rewire project in Strasbourg.
Participation to the EPIPLANT meeting on Plant Epigenetics, Strasbourg (France), " Cristel Carles is invited speaker ("Regulation of chromatin mark changes for organogenesis in Arabidopsis").

Sept 2018: Louise Chambon and Caroline Thouly are starting their PhD, thanks to an UGA Doctoral fellowship and an ENS Doctoral fellowship, respectively. Congrats girls!
Welcome to François-Xavier Gillet who joined for a post-doc on the PepRegulChloro3D ANR-funded project.

Sept 2018: Out in Nature Plants: Collaborative study with K. Kaufmann lab on H3K27me3 demethylases. Out in Planta: PAP genes are tissue- and cell-specific markers of chloroplast development.

July 2018: Our Rewire PRC project in collaboration with IMBP Strasbourg (A. Berr, M-E. Chabouté,) is funded by the ANR!

April 2018: Check: Our review in The Flowering News Letter of J Exp Bot on the interactions between transcription factors and chromatin regulators in the control of flower development.

July 2017: The PEPRegulChloro3D PRC project in collaboration with IBS Grenoble and IGBMC Strasbourg is funded by the ANR!
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