| Abstract Detail
Understanding Plant Defense Strategies: Interplay Between Traditional Botanical Tools and Modern Analytical Approaches Louis, Joe [1]. Omics approaches to understand plant defense against insects. Annually, crop loss to insect infestation accounts for approximately 20% globally. Maize (Zea mays L.) is arguably the world’s significant cereal crop, but also suffers severe yield losses due to insect infestation. Maize genotype, Mp708, developed by classical plant breeding is resistant to different feeding styles of herbivore pests, compared to B73 and Tx601 genotypes. Feeding by chewing or piercing/sucking insect pests trigger the accumulation of maize insect resistance1 (mir1) transcripts, which encodes a cysteine protease. In addition, insect feeding rapidly accumulates mir1 both locally and systemically, suggesting that mRNA transcripts encoding Mir1-CP contribute to intraplant defense signaling in Mp708 genotype. Recent transcriptomic and metabolomic profiling of maize genotypes provide important clues on additional factors that contribute to mir1-dependent defense against insects. The underlying mechanism(s) of herbivore-induced defenses will be discussed. Log in to add this item to your schedule
1 - University of Nebraska-Lincoln, Entomology & Biochemistry, 103 Entomology Hall, 1700 E Campus Mall, Lincoln, NE, 68583, USA
Keywords: herbivore plant-insect interactions maize defense.
Presentation Type: Symposium Presentation Session: SY07, Understanding plant defense strategies: Interplay between traditional botanical tools and modern analytical approaches Location: Chatham Ballroom - B/Savannah International Trade and Convention Center Date: Tuesday, August 2nd, 2016 Time: 2:45 PM Number: SY07004 Abstract ID:460 Candidate for Awards:None |