Identification of the IDA peptide family in tomato and function of SlIDA8 in salt stress

Results indicate that SlIDA8-silenced plants exhibit a more pronounced stress phenotype, characterized by accelerated chlorophyll degradation, increased membrane damage, reduced activity of reactive oxygen species scavenging enzymes, and elevated abscisic acid (ABA) content. This suggests that SlIDA8 silencing enhances tomato sensitivity to salt stress. These findings preliminarily elucidate the role of SlIDA8 as a positive regulator of salt stress in tomatoes providing a research basis for further investigation into IDA function.