Functional identification of an FMRFamide-related peptide gene on diapause induction of the migratory locust, Locusta migratoria L
文献类型： 外文期刊
作者： Hao, Kun 1 ; Ullah, Hidayat 1 ; Jarwar, Aftab Raza 1 ; Nong, Xiangqun 1 ; Tu, Xiongbing 1 ; Zhang, Zehua 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
2.Univ Swabi, Dept Agr, Swabi 23561, Khyber Pakhtunk, Pakistan
关键词： FaRPs; Photoperiodic diapause; RNAi; FOXO; firf gene
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2020 年 112 卷 2 期
页码：
收录情况： SCI
摘要： FMRFamide-related peptides (FaRPs) are a type of neuropeptide, which participate in a variety of physiological processes in insects. Previous study showed that myosuppressin, being a member of FaRPs, initiated pupal diapause in Mamestra brassicae. We presumed that FaRPs genes might play a critical role in photoperiodic diapause induction of L. migratoria. To verify our hypothesis, flrf, a precursor gene of FaRP from L. migratoria, was initially cloned under long and short photoperiods that encoded by flrf gene identified from central nervous system (CNS). Phylogenetic analysis showed that the protein encoded by L. migratoria flrf gene, clustered together with Nilaparvata lugens (Hemiptera: Delphacidae) with 100% bootstrap support, was basically an FMRFamide precursor homologue. We noticed the availability of -RFamide peptides (GSERNFLRFa, DRNFIRFa) under short photoperiod only, which suggested their functions related to photoperiodic diapause induction. RNAi and quantitative real-time PCR (qRT-PCR) results further confirmed that the flrf gene promoted locust's diapause.
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