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Updated: Jun 10, 2025

2 in 1: One-step Affinity Purification for the Parallel Analysis of Protein-Protein and Protein-Metabolite Complexes
Published on: August 6, 2018
Screening of ApDOT1.9 interacting proteins and the potential function of interactor ApSNARE in the rapid growth
Zhimei Zhu1, Qingyue Zhang1, Zhenghong Sui1
1Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education of China, Qingdao 266003, China.
Abstract:
Alexandrium pacificum is a toxic dinoflagellate resulting in harmful algal blooms (HABs). ApDOT1.9 is a methyltransferase involved in the rapid growth regulation of A. pacificum, but its protein interaction information is still limited. In this study, 14 candidate interacting proteins of ApDOT1.9, which were involved in metabolism, genetic information processing, environmental information processing and cellular processes, were screened. The interaction between candidate interactor ApSNARE (Soluble N-ethylmaleimide-sensitive factor attachment protein receptors of Alexandrium pacificum) and ApDOT1.9 was further validated by molecular docking and GST (Glutathione S transferase) pull-down. The relevant biological functional information and gene expression of ApSNARE were also analyzed and detected. These results indicate that ApSNARE was an interactor of ApDOT1.9 and it may also participate in A. pacificum rapid growth regulation under high light or high nitrogen conditions, which will provide preliminary information on the interaction proteins of ApDOT1.9 and molecular regulation mechanisms of growth in A. pacificum.
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