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R. Koes, W. Verweij and F. Quattrocchio, “Flavonoids: A Colorful Model for the Regulation and Evolution of Biochemical Pathways,” Trends in Plant Science, Vol. 10, No. 5, 2005, pp. 236-242. doi:10.1016/j.tplants.2005.03.002

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• TITLE: The Pathogen and Wound Induces Expression of Genes Related to Proanthocyanidins (PAs) Synthesis in Cotton Leaves

  AUTHORS: Chengjian Xie, De Wang, Fei Kou, Dan Kang, Xingyong Yang

  KEYWORDS: Cotton; Flavanone 3-Hydroxylase; Proteomics; Verticillium dahliae

  JOURNAL NAME: American Journal of Plant Sciences, Vol.3 No.2, February 28, 2012

  ABSTRACT: Responses to biotic and abiotic stress have been extensively studied in plants. In the current proteomic study, the cotton (Gossypium hirsutum L.) seedlings were infected with Verticillium dahliae by root-dip inoculation using suspension of fungal conidia. The different proteins were analyzed by two-dimensional gel elactrophoresis (2-DE), and flavanone 3-hydroxylase (F3H) showed a significantly up-regulation in cotton leaf after V. dahliae infection. Further research revealed F3H and the downstream genes of F3H in proanthocyanidins (PAs) biosynthesis were also significantly induced and showed coordinate expression patterns during wounding. The results indicate that PAs in cotton act an important role in response to infection V. dahliae and wounding.