1. Ke Chen, François Dorlhac de Borne, Nicolas Sierro, Nikolai V. Ivanov, Malek Alouia, Sandrine Koechler, Léon Otten*, Organization of the TC and TE cT-DNA regions in Nicotiana otophora and functional analysis of three diverged TE-6b genes, The Plant Journal, 2018, 94(2):274-287. 2. Ke Chen, Léon Otten*, Natural Agrobacterium Transformants: Recent Results and Some Theoretical Considerations, Frontiers in Plant Science, 2017, 13;8:1600. 3. Ke Chen, François Dorlhac de Borne, Emilie Julio, Julie Obszynski, Patrick Pale, Léon Otten*, Root-specific expression of opine genes and opine accumulation in some cultivars of the naturally occurring genetically modified organism Nicotiana tabacum, The Plant Journal, 2016, 87: 258–269. 4. Ke Chen, Léon Otten*. Morphological analysis of the 6b oncogene-induced enation syndrome, Planta, 2016, 243: 131–148 5. Ke Chen, Francois Dorlhac de Borne, Erno Szegedi and Leon Otten*, Deep sequencing of the ancestral tobacco species Nicotiana tomentosiformis reveals multiple T-DNA inserts and a complex evolutionary history of natural transformation in the genus Nicotiana, The Plant Journal, 2014, 80: 669–682.
