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Silencing of transcription factor e93 inhibits adult morphogenesis and disrupts cuticle, wing and ovary development in Locusta migratoria

引用

Insect Science 2022年第2期29卷 333-343页

作者： Xiao-Jian Liu Guo Jun Xiao-Yu Liang Xue-Yao Zhang Ting-Ting Zhang Wei-Min Liu Jian-Zhen Zhang Min Zhang Research Institute of Applied Biology Shanxi UniversityTaiyuanChina

ecdysone-induced protein 93F(e93)plays important roles during the metamorphosis process in *** this study,a cDNA of the Lme93 gene was identified from the transcriptome of Locusta migratoria,which consists of the 3378-nucleotide open-reading frame(ORF)and encodes 1125 amino acids with helix–turn–helix(HTH)*** transcription quantitative polymerase chain reaction analysis revealed that Lme93 was highest expressed in *** Lme93 expression level was markedly low from the 3rd to 4th instar nymphs,and greatly increased in 1-day-old 5th instar nymphs with a peak on middle nymphal days,then declined in the late nymphal ***,injected dsLme93 into 4th and 5th instar nymphs greatly reduced Lme93 transcripts,respectively,and prevented the process of metamorphosis,causing supernumerary nymphal ***–eosin staining of the integument showed that the apolysis occurred in advance in 4th instar nymphs,and old cuticle degradation was decreased in dsLme93-injected locusts of 5th instar *** and no fully developed wings with reduced columns between the anterior and posterior regions were found in N6 and N7 supernumerary *** addition,the development of the ovary in dsLme93-injected locusts was severely blocked,the yolk was almost not formed and there was no development of *** results indicated that Lme93 play key roles in the metamorphosis,cuticle,wing and ovarian development of locusts.

关键词： expression function Locusta migratoria RNA interference transcription factor e93

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