Title: A TILLING allele of the tomato Aux/IAA9 gene offers new insights into fruit set mechanisms and perspectives for breeding seedless tomatoes Journal name: Molecular Breeding Authors: Andrea Mazzucato, Francesco Cellini, Mondher Bouzayen, Mohamed Zouine, Isabelle Mila, Silvia Minoia, Angelo Petrozza, Maurizio E. Picarella, Fabrizio Ruiu, Filomena Carriero Corresponding author: Dr. Filomena Carriero, Alsia-Centro Ricerche Metapontum Agrobios, S.S. Jonica 106 Km 448.2, 75012 Metaponto (MT), Italy email: filomena.carriero@alsia.it Table S2 Expression of parthenocarpy and other fruit related traits in natural and transgenic sources of parthenocarpy compared with the respective, near isogenic wild-type (WT). The table includes only systems for which suitable information is available. Type of parthenocarpy Genetic/ natural Genetic background pat Chico III OP 0 59 to 95b pat-2 Several OP 1 to 33 20 to 87c pat-3 /pat-4 IAA9 -d OP - 44 = - > - MicroTom Red Setter E (+10) 3 40 to 70 = - - E (+15) OP 7 0 to 4 39 68 to 93 = or > > UC82b E - 100 < More elong ated More elong ated Misshapen = - Thicker pericarp, late ripening = Anther and ovule defects - - IAA9 Transgenic (loss of function) Della Aucsia Flower treatmenta Parthenocarpy (%)a Mutation/ Gene involved WT mutant Characteristics of seedless Other reproductive traits fruits compared to WT distinctive of the mutant Size Shape °Brix Firmness < = > < Anther and ovule defects, early flowering and ripening = or < = > < Late flowering References Mapelli et al. 1978 Mazzucato et al. 1998 Philouze et al. 1988 Casas Diaz et al. 1987 Philouze 1984 Casas Diaz et al. 1987 Gourguet et al. 2005 Saito et al. 2011 This work Martì et al. 2007 Breeding E 0 44-100 < Molesini et al. 2009 lines IAA9 Micro E 0 48 to 82 = = Subtle ovule defects Wang et al. 2005 Tom Wang et al. 2009 Ailsa Craig Transgenic IAAM Breeding E 0 63 to 100 = = = or > = Ficcadenti et al. 1999 (gain of lines function) rolB Breeding OP Variable > = > - Early ripening Carmi et al. 2003 lines a parthenocarpy estimated as the percentage of emasculated not pollinated flowers developing (E, in parenthesis the number of d after emasculation the fruit set was observed) or as percentage of seedless fruits at maturity after open pollination (OP) of flowers b depending on temperature conditions at flowering c depending on the genetic background d not determined or not reported