In Silico Evaluation of Expansin-Gene Function in Softening and Fruit Ripening

The up-to-date achievements in expansin (EXP) researches were evaluated. Plus making the strength that the plants need, cell walls define cell function, cell shape, and cell size. Cell wall (CW) proteins that are famous as expansins are consist of four subfamilies a-expansin, b-expansin, expansin-like A, and expansin-like B. These proteins alter CW extricating, and these sorts of proteins are found in plant kingdoms and a few microbial living beings, and other living beings like snails. The results of EXP promoter analysis on the ۱.۵ kb sequence upstream of the ATG (start codon) in Arabidopsis and their orthologs in P. persica by PLANT CARE revealed that different transcription factors (TF) are attached to specific DNA binding sites. In this assay, the genome sequencing of peach plants from the Rosaceae family (Prunus persica) has been carried out, so more accurate applications can be designated by analyzing their regulatory areas. In the next step, the good genes were transferred into the early or late flowering plants, and consequently, their yield and resistance against biotic and abiotic stress increased.

Keywords:

Cell wall , Expansin , Plant Growth , In Silico