HPLC-DAD experiments showed that the production of HA and iso HA was
affected by the presence of plant tissue in the liquid medium. In particular, tomato tissue
elicited the production of HA but negatively modulated the biosynthesis of its analogue
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Molecules 2014, 19 9761
iso-HA, suggesting that different forms of the same Trichoderma secondary metabolite have
specific roles in the molecular mechanism regulating the Trichoderma plant interaction.