[ILSW-s04e01] Soybean photoperiod flowering and architecture, with Fanjiang Kong

Photoperiod sensitivity is crucial for soybean flowering, adaptation, and yield. In soybean, photoperiod sensitivity centers around the evening complex (EC) that regulates the transcriptional level of the core transcription factor E1, thereby regulating flowering. Our study identifies how E2/GIGANTEA (GI) and its homologs modulate photoperiod sensitivity through interactions with the EC to form a photoperiod regulatory loop, maintaining sensitivity to photoperiod. Disruption of this loop leads to losing sensitivity, affecting soybean’s adaptability and yield. Understanding this loop’s dynamics is vital for molecular breeding to reduce soybean’s photoperiod sensitivity and develop cultivars with better adaptability and higher yields, potentially leading to the creation of photoperiod-insensitive varieties for broader agricultural applications.

Dr. Fanjiang Kong is a Professor at the School of Life Sciences, Guangzhou University, specializing in soybean genetics and molecular biology. His research explores the genetic and molecular mechanisms underlying key agronomic traits such as flowering time, yield, and nitrogen-fixing symbiosis, with a focus on how environmental cues interact with genetic regulation to shape plant development and adaptation. With over 180 publications and more than 8,000 citations, Dr. Kong has made significant contributions to the fields of plant genomics and breeding, employing approaches such as QTL mapping, GWAS, and multi-omics analysis to advance soybean improvement.
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