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Overcoming sexual sterility in conservation of endangered species: the prominent role of biotechnology in the multiplication of Zelkova sicula (Ulmaceae), a relict tree at the brink of extinction

Carra, Angela ; Catalano, Caterina ; Badalamenti, Ornella ; Carimi, Francesco ; Pasta, Salvatore ; Motisi, Antonio ; Abbate, Loredana ; La Bella, Francesca ; Fazan, Laurence ; Kozlowski, Gregor ; Garfì, Giuseppe

In: Plant Cell, Tissue and Organ Culture (PCTOC), 2019, vol. 137, no. 1, p. 139–148

Biotechnology provides valuable tools to support conservation of plant species, especially in case of threatened taxa or when dealing with seed unavailability, low viability or sterility. However, plant cell culture methods have often to face problems associated with tissue recalcitrance to in vitro systems. Recalcitrance can be related to a variety of triggering factors, involving many...