Permanent staff

Photo (c) IRD

Research interest

My research focus on crop evolution and adaptation to climate change in Africa through a multidisciplinary approach including populations genetics, ecology and anthropology. I am interested in the role of evolutionary processes shaping the genetic diversity of cultivated plants and their wild relatives.

Publications

Yogom, B.T., Avana-Tientcheu, M., Mboujda, M.F.M. Stephane Takoudjou Momo, Théophile Fonkou, Alain Tsobeng, Barnaud A & Jérôme Duminil Ethnicity Differences in Uses and Management Practices of Bitter Kola Trees (Garcinia kola) in Cameroon. Econ Bot (2020). https://doi.org/10.1007/s12231-020-09508-x

Rhoné B, Defrance D, Berthouly-Salazar C, Mariac C, Cubry P, Couderc M, Dequincey A, Assoumane A, Kane N, Sultan B, Barnaud A, Vigouroux Y (2020) Pearl millet genomic vulnerability to climate change in West Africa highlights the need for regional collaboration. Nature Communication. In press.

Abrouk M, Ibrahim Ahmed H, Cubry P, Simoníková D, Cauet S, Bettgenhaeuser J, Gapa L, Pailles Y, Scarcelli N , Couderc M, Zekraoui L, Kathiresan N, Cizková J, Hribová E, Dolezel J, Arribat S, Bergès H, Wieringa J, Gueye M, Kane N, Leclerc C, Causse S, Vancoppenolle C , Billot C , Wicker T, Vigouroux Y, Barnaud A, Krattinger S (2020) Fonio millet genome unlocks African orphan crop diversity for agriculture in a changing climate. Nature Communication 11:4488. https://doi.org/10.1038/s41467-020-18329-4

Olodo KF, Barnaud A, Kane NA, Mariac C, Faye A, Couderc M, Zekraouï L, Dequincey A, Diouf D, Vigouroux Y, Berthouly-Salazar C (2020) Abandonment of pearl millet cropping and homogenization of its diversity over a 40 year period in Senegal. PlosOne https://doi.org/10.1371/journal.pone.0239123

Jankowski F., Louafi S., Kane N. A., Diol M., Camara AD, Pham J-L, Berthouly-Salazar C, Barnaud A, (2020) From texts to enacting practices: defining fair and equitable research principles for plant genetic resources in West Africa Human Values Society, vol. 0, pages 1-12

Abdou R. Ibrahim Bio Yerima, Enoch G. Achigan-Dako, Mamadou Aissata, Emmanuel Sekloka, Claire Billot, Charlotte O.A. Adje, Barnaud A, Yacoubou Bakasso Agromorphological characterization revealed three phenotypic groups in a region-wide germplasm of white fonio millet (Digitaria exilis (Kippist) Stapf) from West Africa. Agronomy in Press

Burgarella C, Barnaud A, Kane NA, Jankowsky F, Scarcelli N, Billot C, Vigouroux Y, Berthouly-Salazar C, 2019. Adaptive introgression: an untapped evolutionary mechanism for crop adaptation. Frontier in Plant Science. 10:4

Burgarella C, Cubry P, Kane NA, Varshney RK, Mariac C, Liu X, Shi C, Thudi M, Couderc M, Xu X, Chitikineni A, Scarcelli N, Barnaud A, Rhoné B, Dupuy C, François O, Berthouly-Salazar C, Vigouroux Y, 2018. A western Sahara origin of African agriculture inferred from pearl millet genomes. Nature Ecology and Evolution 2:1377-1380

Diop BM, Guèye MC, Agbangba C, Emile CN, Deu M, Diack O, Fofana A, Kane NA, Ndir KN, Ndoye I, Ngom A, Leclerc C, Piquet M, Vigouroux Y, Zekraoui L, Billot C, Barnaud A, 2018. Fonio (Digitaria exilis (Kippist) Stapf): a socially embedded cereal for food and nutrition security in Senegal. Ethnobiology letters. In press.

Olodo KF, Gueye MC, Calatayud C, Diop BM, Kane NA, Ngom A, Ntui VO, Barreto MMS, Uyoh EA, Abraham S, Vigouroux Y, Billot C, Barnaud A, 2018. EST-SSR development for Digitaria exilis (Poaceae) and its relatives D. iburua and D. longiflora from transcriptome sequences. Plant Genet Res. In press.

Barnaud A, Vigouroux Y, Diallo MT, Saidou SI, Piquet M, Barry MB, Bakasso Y, Zekraoui L, Rivallan R, Kane NA, Billot C (2017) High selfing rate inferred for white fonio [Digitaria exilis (Kippist.) Stapf] reproductive system opens up opportunities for breeding programs. Genetic Resources and Crop Evolution. doi:10.1007/s10722-017-0515-3

Diack O, Kane NA, Berthouly-Salazar C, Gueye MC, Diop BM, Fofana A, Sy O, Tall H, Zekraoui L, Piquet M, Couderc M, Vigouroux Y, Diouf D, A. Barnaud (2017) New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal. Frontiers in plant science 8:818

Glato K, Aidam A, Kane NA, Bassirou D, Couderc M, Zekraoui L, Scarcelli N, Barnaud A, Vigouroux Y (2017) Structure of sweet potato (Ipomoea batatas) diversity in West Africa covaries with a climatic gradient. PloS one 12:e0177697

Ousseini IS, Bakasso Y, Kane NA, Couderc M, Zekraoui L, Mariac C, Manicacci D, Rhoné B, Barnaud A, Berthouly-Salazar A, Assoumane A, Moussa D, Moussa T, Vigouroux Y (2017) Myosin XI is associated with fitness and adaptation to aridity in wild pearl millet. Heredity

Sarah G, Homa F, Pointet S, Contreras S, Sabot F, Nabholz B, Santoni S, Sauné L, Ardisson M, Chantret N, Sauvage C, Tregear J, Jourda C, Pot D, Vigouroux Y, Chair H, Scarcelli N, Billot C, Yahiaoui N, Bacilieri R, Khadari B, Boccara M, Barnaud A, Péros JPP, Labouisse JPP, Pham JLL, David J, Glémin S, Ruiz M (2017) A large set of 26 new reference transcriptomes dedicated to comparative population genomics in crops and wild relatives. Molecular ecology resources 17:565-580

Idi Saidou S, Inoussa MM, Mainassara ZA, Sanoussi A, Barnaud A, Billot C, Bakasso Y, Mahamane A, Saadou M (2017) Effet de l’environnement sur les paramètres de croissance et de rendement des accessions du fonio [Digitaria exilis (kippist.) stapf.] au Niger. Revue Ivoirienne des Sciences et Technologie 29:87-106

Ngom A, Mbaye MS, Barnaud A, Kane A, Ba N, Gueye M et al. (2016) Révision du genre Digitaria Haller (Poaceae) au Sénégal: proposition d’une clé de détermination pour une meilleure identification des espèces. International Journal of Biological and Chemical Sciences 10(1):58-86

Ndoye F, Diedhiou AG, Gueye M, Fall D, Barnaud A, Sy MO, et al. (2016) Réponse du fonio blanc (Digitaria exilis Stapf) à l’inoculation avec des champignons mycorhiziens à arbuscules en conditions semi-contrôlées. Journal of Applied Biosciences 103(1):9784-9799

Billot C, Leclerc C, Louafi S, Barnaud A, Perrier X (2015) Mobiliser la diversité génétique pour un choix variétal plus large, blocages et opportunités en agronomie et génétique. Agronomie, Environnement & Sociétés 4:65-68

Coomes OT, McGuire SJ, Garine E, Caillon S, McKey D, Demeulenaere E, Jarvis D , Aistara G, Barnaud A, Clouvel P, Emperaire L, Louafi S, Martin P, Massol F, Pautasso M, Violon C, Wencélius J (2015) Farmer seed networks make a limited contribution to agriculture ? Four common misconceptions. Food Policy 56:41-

Masse D (coord.), Chotte JL (coord.), Scopel E, Barnaud A, Barthès B, Berthouly C, Chapuis Lardy L, Seghieri J, Serpantié G, Vigouroux Y, et al. (2015) L'ingénierie écologique pour une agriculture durable dans les zones arides et semi-arides d'Afrique de l'Ouest. Montpellier : CSFD/Agropolis International, (11), 64 p. (Les Dossiers Thématiques du CSFD ; 11). ISSN 1772-6964

Thomas M, Verzelen N, Barbillon P, Coomes OT, Caillon S, McKey D, Elias M, Garine E, Raimond C, Dounias E, Jarvis D, Wencelius J, Leclerc C, Labeyrie V, Cuong PH, Hue NTN, Sthapit B, Rana RB, Barnaud A, Violon C, Reyes LMA, Moreno LL, De Santis P, Massol F (2015) A network-based method to detect patterns of local crop biodiversity : validation at the species and infra-species levels. In : Woodward G (ed.), Bohan DAG (ed.). Ecosystem services : from biodiversity to society. Part 1, 53, p.259-320

Garine E, Barnaud A, Raimond C (2014) Quel pourrait être le territoire des semences des sorghos que cultivent les Duupa du massif de Poli (Nord du Cameroun) ? Les Cahiers d’Outre-Mer 265:67-92

Barnaud A, Billot C, Cruz JF (2014) Le fonio, un maillon essentiel de la sécurité alimentaire en Afrique de l'Ouest. In : Agricultures familiales. Les Dossiers d'Agropolis International 19:37. ISSN 1628-4240

Idi Saidou S, Bakasso Y, Inoussa MM, Zaman-Allah M, Sanoussi A, Barnaud A, Saadou M, Billot C (xxxx) Diversité agro-morphologique des accessions de Fonio [Digitaria exilis (Kippist.) Stapf.] au Niger. International Journal of Biological and Chemical Sciences (IJBCS)

Labeyrie V, Deu M, Barnaud A, Calatayud C, Buiron M, Wambugu P, Manel S, Glaszmann JC, Leclerc C (2014) Influence of Ethnolinguistic Diversity on the Sorghum Genetic Patterns in Subsistence Farming Systems in Eastern Kenya. PlosOne

Ouattara B, Ndir KN, Gueye MC, Diédhiou I, Barnaud A, Fonceka D, Cissé N, Akpo EL, Diouf D (2014) Genetic diversity of Jatropha curcas L. in Senegal compared with exotic accessions based on microsatellite markers. Genetic Resources and Crop Evolution 61(6):1039-1045

Mariac C et al. (2014) Cost-effective enrichment hybridization capture of chloroplast genomes at deep multiplexing levels for population genetics and phylogeography studies. Molecular Ecology Resources 14:1103-1113

Barnaud A, Vigouroux Y, Barry B, Beavogui F, Camara M, Billot C, Noyer J-L, Pham J-L, Bakasso Y (2013) From advanced to underutilized crops: making fonio benefit from research on major cereals in Africa. Acta Horticulturae 979:421-430

Barnaud A, Kalwij J, McGeoch M, van Vuuren BJ (2013) Pattern and pathway of weed invasion: Evidence from the spatial genetic structure of Raphanus raphanistrum. Biological Invasion, Online

Karsten M, van Vuuren B J, Barnaud A, Terblanche JS (2013) Population genetics of Ceratitis capitata in South Africa: implications for dispersal and pest management. Plos One 8(1):e54281

Barnaud A, Kalwij J, Berthouly-Salazar C, McGeoch M, Vuuren BJ (In press) Are road verges corridors for weed invasion? Answer from the fine scale spatial genetic structure of Raphanus raphanistrum. Weed Research

E. Garine, A. Luxereau, J. Wencelius, C. Violon, T. Robert, A. Barnaud, S. Caillon, C. Raimond. 2013. De qui les variétés traditionnelles de plantes cultivées pourraient elles être le patrimoine ? Réflexions depuis le Bassin du Lac Tchad. In D. Juhé Beaulaton, M. C. Cormier Salem, P. de Robert et B. Roussel (eds.) Effervescence patrimoniale au Sud. Enjeux, questions, limites. Paris, IRD Editions : 379-409.

Pautasso M, Aistara G, Barnaud A, Caillon S, Clouvel P, Coomes OT, Delêtre M, Demeulenaere E, De Santis P, Döring T, Eloy L, Emperaire L, Garine E, Goldringer I, Jarvis D, Joly HI, Leclerc C, Louafi S, Martin P, Massol F, McGuire S, McKey D, Padoch C, Soler C, Thomas M, Tramontini S (2013) Seed exchange networks for agrobiodiversity conservation: A review. Agron Sustain Dev 33:151-175

Barnaud A, Vignes H, Risterucci A-M, Noyer J-L, Blay C, Buiron M, Vigourou Y, Billot C (2012) Development of nuclear microsatellite markers for the fonio, Digitaria exilis (Poaceae), an understudied west african cereal. Am J Bot 99:e105-7

Barnaud A, Billot C (2011) Atelier international "De la connaissance à la valorisation du fonio". Cahiers Agri 20:310-312 Karsten M, van Vuuren BJ, Goodman P, Barnaud A (2011) The history and management of black rhino in KwaZulu-Natal: a population genetic approach to assess the past and guide the future. Conservation genetics, 14:363-370

Scarcelli N, Barnaud A, Eiserhardt W, Treier UA, Seveno M, D’anfray M, Vigouroux Y, Pintaud J-C (2011) A set of 100 chloroplast DNA primer pairs to study population genetics and phylogeny in monocotyledons. PlosOne 6:e19954

Vigouroux Y, Barnaud A, Scarcelli N, Thuillet A-C (2011) Biodiversity, evolution and adaptation of cultivated crops. Comptes Rendus Biologies 334:450-457

Barnaud A, Houliston G (2010) Population genetics of the threatened tree daisy Olearia gardneri (Asteraceae), conservation of a critically endangered species. Conservation Genetics 11:1515-1522

Barnaud A, Laucou V, This P, Lacombe T, Doligez A (2010) Linkage disequilibrium in wild grapevine, Vitis vinifera L. subsp. Silvestris. Heredity 104:431-7

Barnaud A, Deu M, Garine E, Chantereau J, Bolteu J, Ouin Koïda E, McKey D, Joly HI (2009) A weed-crop complex in sorghum: the fate of new genetic combinations in a traditional farming system. American Journal of Botany 96:1869-1879

Heenan P, de Lange PJ, Houliston G, Barnaud A, Murray BG (2008) Olearia telmatica (Asteraceae: Astereae), a new tree species endemic to the Chatham Islands. New Zealand Journal of Botany 46:567-583

Barnaud A, Trigueros G, Garine E, McKey D, Joly HI (2008) High outcrossing rates in fields with mixed sorghum landraces: How are landraces maintained? Heredity 101:445-452

Barnaud A, Joly HI, McKey D, Deu M, Khasah C, Monné S, Garine E (2008) In situ management of sorghum (Sorghum bicolor ssp. bicolor) genetic resources among Duupa farmers in northern Cameroon: selection and seed exchange. Cahiers Agricultures 17:178-182

Sagnard, Barnaud A, Deu M et al. (2008) Multi-scale analysis of sorghum genetic diversity: Understanding the evolutionary processes for in situ conservation. Cahiers Agricultures 17:114-121

Barnaud A, Deu M, Garine E, McKey D, Joly HI (2007) Local genetic diversity of sorghum in a village in northern Cameroon: structure and dynamics of landraces. Theoretical and Applied Genetics 114:237-248

Barnaud A, Lacombe T, Doligez A (2006) Linkage disequilibrium in cultivated grapevine, Vitis vinifera L. Theoretical and Applied Genetic 112:708-716

Fundings

2021-2023 SeedAttach (240 KEUR, Agropolis fondation)-CoPi

2020-2023 EWA-BELT : Linking East and West African farming systems experience into a BELT of sustainable intensification. (7,7MEUR, H2020-SFS-2018-2020)- Task Leader

2020 Pour un ensauvagement des espaces agricoles : une gestion écologique des espèces férales dans les Andes colombiennes (Soutien à la recherche MUSE) - partner

2018-2021 ASSET : AgrobiodiverSity for a food-Secure planet (ANR MOGPA) - partner

2017-2020 CO-Ex : Gouvernance adaptative des stratégies de gestion de la diversité cultivée (, Agropolis fondation)- Task Leader

2018-2020 DIVAGRO : Rôle de la Diversité Intraspécifique sur la Productivité et la Stabilité des Agrosystèmes en Afrique de l'Ouest (30kEUR SEP2D)- partner

2015-2019 AMMA2050 (3M£, Future Climate for Africa-NERC/UKAID)-CoPi

2015-2019 CultiVar : training students in plant breeding - Teaching

2015-2017 ADAPTINCROPS : Investigating adaptive introgression in African crops (200 000EUR, Agropolis Fondation)- partner

2014-2018 CERAO : Auto-adaptation des agro-socio-écosystèmes tropicaux face aux changements globaux ? Etude à long terme en vue d'une intensification écologique de la production de céréales dans les zones de savanes en Afrique de l'Ouest (740 000EUR, ANR)- Task Leader

2013-2016 Caractérisation, valorisation et conservation des ressources phytogénétiques du fonio au Sénégal (120 000EUR, WAAP2)-CoPi

2013-2014 Phylogénie du genre Digitaria en Afrique (2300EUR, LMI Lapse)-Pi

2013-2017 AfriCrop : Documenting African Crop Domestication (700 000EUR, ANR)-partner

2012-2014 ChloroDiv : Chloroplast genomes for crop evolution (45 552EUR, Agropolis Fondation)-partner

2011-2014 NetSeed: Strengthening management of agrobiodiversity through social networks. An interdisciplinary method for analyzing how local seed systems impact the diversity of domesticated plants (205 000EUR, FRB Cesab)-partner

2009-2014 Arcad : Agropolis Ressources Center for Crop Conservation, Diversity and Adaptation (3MEUR, Agropolis Fondation) -partner

2008-2009 Conservation genetics of black rhinoceros (Diceros bicornis): implications for conservation and management (20 000EUR, SANBI/NORAD threatened species)- partner

2008-2009 Evolution et dynamique des espèces invasives : structuration génétique spatiale de Raphanus raphanistrum. (35 000EUR, DST-NRF Centre for Invasion Biology)-Postdoctoral Fellowship

2008 Conservation d'espèces d'Olearia endémiques à la Nouvelle-Zélande (5000EUR, Académie des sciences)-Research Fellowship

Formation and research experience

2017 -Present

Senior researcher, IRD Montpellier, France, UMR DIADE, DYNADIV

Research subject: Evolution and adaptation of african cereals

2012-2017

Senior researcher IRD, Dakar, Senegal, LMI LAPSE, UMR DIADE hosted by ISRA

Research subject: Evolution and adaptation of african cereals

2010-2012

Junior researcher, IRD Montpellier, France, UMR DIADE, DYNADIV

Research subject: Genetic diversity and evolution of african cereals

2009-2010

Post doctoral position, IRD Montpellier, France UMR DIADE, DYNADIV

Research subject: Genetics diversity, domestication and adaptation of an under used cereal: fonio millet (Digitaria exilis)

2008-2009

Post doctoral position, Center for Invasion Biology, University of Stellenbosch, South Africa

Pr Bettine van Vurren, Evolutionary genomics group

Research subject: Colonisation dynamics of invasive Brassicaceae

2008

Post doctoral position, Landcare Research, New Zealand

Dr Gary Houliston, Ecological Genetics Team

Research subject: Conservation genetics of the threatened shrub Olearia sp.

2003-2007

Ph.D in Genetic Diversity and Population Genetics, University of Montpellier II, France

Supervisors: Dr Hélène Joly and Pr Doyle McKey (UMR CEFE, CNRS/CIRAD, Montpellier)

Research subject: Knowledge, practices, and dynamics of genetic diversity of sorghum among Duupa farmers in Northern Cameroon.

2002-2003

Master degree in Genetic Diversity and Population Genetics, University of Montpellier II, France

Supervisors: Dr Agnès Doligez (UMR DIAPC, INRA, Montpellier)

Research subject: Linkage disequilibrium in wild and cultivated grapevine, Vitis vinifera L.