Microarray analysis of ripening-regulated gene expression and its modulation by 1-MCP and hexanal

Proteomic Analysis of Chloroplast-to-Chromoplast Transition in Tomato Reveals Metabolic Shifts Coupled with Disrupted Thylakoid Biogenesis Machinery and Elevated Energy-Production Components

“…However, the ethylene biosynthesis and signaling pathways are not located in the plastid and it is expected that the regulation of ethylene-responsive genes occurs mainly at the nucleus. In a microarray analysis of tomato fruit treated by the ethylene antagonist 1-methylcyclopropene, Tiwari and Paliyath (2011) found that at least nine nuclear genes encoding plastidial proteins were upregulated by ethylene and three down-regulated.…”

Effect of Pre-harvest Application of Hexanal and Growth Regulators in Enhancing Shelf Life and Regulation of Membrane Associated Genes in Strawberry

“…Biochemical and genetic studies of fruit softening indicated that cell-wall biosynthesis and degradation is the result of coordinated expression of several families of genes encoding cell-wall metabolism proteins, such as expansins, pectin methylesterases, polygalacturonases, pectate lyases, β-galactosidades, α-L-arabinofuranosidases, endo-(1,4)-β-D-glucanases, β-xyloxidases, xyloglucanases, endotransglucosilases, endo-mannanases, and phospholipase D (PLD) (Benítez-Burraco et al 2003;Redondo-Nevado et al 2001;Salentijn et al 2003;Trainotti et al 2001;Tiwari and Paliyath 2011). For instance, N-glycan processing enzymes, including ɑ-mannosidase and β-D-N-acetylhexosaminidase, act by breaking the glycosidic bonds between carbohydrates, or between carbohydrates and non-carbohydrate structural molecules (Brummell and Harpster 2001).…”

Bacterial antagonists and hexanal-induced systemic resistance of mango fruits against Lasiodiplodia theobromae causing stem-end rot

“…Hexanal vapor at 900 μl l −1 for 12 or 24 h or 450 μl l −1 for 24 h was sufficient to inhibit all tested pathogens while treatment with 200 μl l −1 for 24 h had only a limited effect (Song et al 2007). The phospholipases synthesis which serve facilitate survival of the pathogen in vivo, invasion and dissemination throughout the host, expression of virulence traits and evasion of host immune defense mechanisms was inhibited by hexanal (Tiwari & Paliyath 2011;Karthika et al 2015). In the present study maximum increase in defense-related enzyme content was achieved by combinatorial application of volatile organic compound hexanal and bacterial antagonist P. fluorescens.…”

“…Antagonists compete with pathogens for nutrients and space, and trigger induced immunity reaction in the fruit (Vivekananthan et al 2004a). Hexanal, an inhibitor of phospholipase D, has been successfully applied for the pre-and postharvest treatment of fruits, vegetables and flowers (Tiwari & Paliyath 2011). The antimicrobial activity against decomposing microbial species of hexanal was already tested in model as well as in real systems (Gardini et al 1997).…”