transgenic-breeding
Transgenic breeding is the process of deliberately introducing foreign genes into a plant's genome to confer new or enhanced traits, such as pest resistance, herbicide tolerance, or improved nutritional content. This technique allows researchers to bypass the limitations of traditional cross-breeding by directly inserting genes from other organisms, accelerating crop improvement and enabling traits that would be difficult or impossible to achieve through conventional methods. It plays a critical role in developing more resilient, productive, and sustainable crop varieties to meet agricultural challenges.
open_in_new WikipediaPubMed · 2026-07-09
Scientists identified two genes that control how corn plants branch and grow, confirming one gene increases tassel branching while another limits ear shank length. This work gives breeders precise genetic targets to engineer higher-yielding, better-shaped corn plants.
830 significant DNA markers were identified across four plant architecture traits in 206 maize inbred lines using over 1.19 million SNPs.
ZmARM5 positively regulates tassel branch number: corn plants with altered ZmARM5 activity showed measurable changes in how many tassel branches they produced.
ZmNRT1 negatively regulates ear shank length: suppressing or enhancing this gene shifted the length of the stalk segment connecting ear to main stem.
