NAC domain gene VvNAC26 interacts with VvMADS9 and influences seed and fruit development.

Grapevine (Vitis vinifera), as one of the potential gardening fruit have important economic and nutritional values. Seedless grapes are popular due to their convenience and excellent taste. As multifunctional proteins, the NAC family involves hormonal pathways, plant aging, and biological stress.

The grapevine homeobox gene VvHB58 influences seed and fruit development through multiple hormonal signaling pathways.

Background: The homeobox transcription factor has a diversity of functions during plant growth and development process. Previous transcriptome analyses of seed development in grape hybrids suggested that specific homeodomain transcription factors are involved in seed development in seedless cultivars. However, the molecular mechanism of homeobox gene regulating seed development in grape is rarely reported.