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Insect Biochemistry and Molecular Biology
IF
3.62
Papers
3534
Papers 3542
1 page of 355 pages (3,542 results)
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#1Xiang Zhou (Institute of Insect Sciences, Zhejiang University)H-Index: 2
#2Yi-Zhou Ye (UTokyo: University of Tokyo)
Last. Yan-Yuan Bao (Institute of Insect Sciences, Zhejiang University)H-Index: 21
view all 9 authors...
Abstract Ecdysteroids, insect steroid hormones, play key roles in regulating insect development and reproduction. Hemipteran insects require ecdysteroids for egg production; however, ecdysteroid synthesis (ecdysteroidogenesis) details have not been elucidated. We identified all known genes encoding ecdysteroidogenic enzymes in Nilaparvata lugens and clarified their necessity during nymphal and ovarian development. We confirmed that N. lugens utilized 20-hydroxyecdysone as an active hormone. Assa...
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#1Jack L Scanlan (University of Melbourne)H-Index: 1
#2Rebecca S. Gledhill-Smith (University of Melbourne)H-Index: 1
Last. Charles Robin (University of Melbourne)H-Index: 20
view all 4 authors...
Phosphorylation is a phase II detoxification reaction that, among animals, occurs near exclusively in insects, but the enzymes responsible have never been cloned or otherwise identified. We propose the hypothesis that members of the arthropod-specific ecdysteroid kinase-like (EcKL) gene family encode detoxicative kinases. To test this hypothesis, we annotated the EcKL gene family in 12 species of Drosophila and explored their evolution within the genus. Many ancestral EcKL clades are evolutionar...
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#1Sijun Liu (Iowa State University)H-Index: 14
#2Brad S. Coates (ARS: Agricultural Research Service)H-Index: 23
Last. Bryony C. Bonning (UF: University of Florida)H-Index: 31
view all 3 authors...
Abstract Sequence analysis of the genomic DNA isolated from four biotypes of the soybean aphid, Aphis glycines (AG), revealed that in addition to the commonly observed retrovirus-related retrotransposons, viral sequences derived from multiple RNA and DNA viruses have integrated into the genome. Notably, sequences of more than 60 nudiviral genes were identified from de novo assembled DNA contigs, and mapped to assembled genomic scaffolds of AG, indicating that an ancient nudivirus, named Aphis gl...
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#1Kaiyang Feng (SWU: Southwest University)H-Index: 3
#2Jie Liu (SWU: Southwest University)
Last. Lin He (SWU: Southwest University)H-Index: 13
view all 9 authors...
Differential expression of metabolic detoxification enzymes is an important mechanism involved in pesticide/acaricide resistance of mite pests. The competing endogenous RNA hypothesis offers a new opportunity to investigate post-transcriptional regulation of those genes. In this study, 4,454 long non-coding RNAs were identified in the carmine spider mite Tetranychus cinnabarinus by transcriptome sequencing. Software-based predictions indicated that a long intergenic non-coding RNA, (lincRNA)_Tc1...
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#1Seung-Jae Lee (KU: Korea University)H-Index: 8
#2Jae-Sang Hong (KU: Korea University)H-Index: 1
Last. Youngsik Lee (KU: Korea University)H-Index: 19
view all 4 authors...
Cap1 2'-O-ribose methyltransferase (CMTR1) modifies RNA transcripts containing the 7-methylguanosine cap via 2'-O-ribose methylation of the first transcribed nucleotide, yielding cap1 structures. However, the role of CMTR1 in small RNA-mediated gene silencing remains unknown. Here, we identified and characterized a Drosophila CMTR1 gene (dCMTR1) mutation. We found that the catalytic activity of dCMTR1 was involved in the biogenesis of small interfering RNAs (siRNAs) but not microRNAs. Additional...
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#1Jing-Mei Huang (NAU: Nanjing Agricultural University)
#2Cong Rao (饶聪) (NAU: Nanjing Agricultural University)H-Index: 1
Last. Shun-Fan Wu (NAU: Nanjing Agricultural University)H-Index: 8
view all 10 authors...
Abstract Diamide resistant phenotypes have evolved in the field and the resistance has been attributed to target-site mutations in some lepidopteran pests. In this study, we documented the resistance status of Chilo suppressalis to chlorantraniliprole during 2016–2018 in seven provinces of China. To investigate the possible role of target-site mutations as known from lepidopterans, we sequenced respective domains of the RyR gene of C. suppressalis with different levels of diamide resistance. The...
2 CitationsSource
#1Tara Reyes Adames (Barnard College)H-Index: 1
#2Nicole C. Rondeau (Barnard College)H-Index: 1
Last. Jonathan W. Snow (Barnard College)H-Index: 15
view all 6 authors...
Abstract Our molecular understanding of honey bee cellular stress responses is incomplete. Previously, we sought to identify and began functional characterization of the components of the Unfolded Protein Response (UPR) in honey bees. We observed that UPR stimulation resulted in induction of target genes upon IRE1 pathway activation, as assessed by splicing of Xbp1 mRNA. However, we were not able to determine the relative role of the various UPR pathways in gene activation. Our understanding of ...
1 CitationsSource
#1Li Hou (CAS: Chinese Academy of Sciences)H-Index: 3
#2Xuesong Wang (CAS: Chinese Academy of Sciences)H-Index: 1
Last. Xianhui Wang (CAS: Chinese Academy of Sciences)H-Index: 14
view all 7 authors...
DNA methylation plays important roles in the behavioral plasticity of animals. The migratory locust, Locusta migratoria, displays striking density-dependent phenotypic plasticity that can reversely transit between solitarious and gregarious phases. However, the role and the mechanism through which DNA methylation is involved in locust phase change remain unknown. Here, we investigated the expression levels of three DNA methyltransferase genes and their roles in the regulation of locust phase cha...
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#1Natthida Petchampai (Tulane University)H-Index: 1
#2Jun Isoe (UA: University of Arizona)H-Index: 15
Last. Patricia Y. Scaraffia (Tulane University)H-Index: 3
view all 8 authors...
A recent in vitro characterization of a recombinant pyruvate kinase (PK) from Aedes aegypti mosquitoes demonstrated that the enzyme is uniquely regulated by multiple allosteric effectors. Here, we further explored PK gene and protein expression, and enzymatic activity in key metabolic tissues of mosquitoes maintained under different nutritional conditions. We also studied the metabolic effects of PK depletion using several techniques including RNA interference and mass spectrometry-based stable-...
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#1Jianlei Huang (NAU: Nanjing Agricultural University)H-Index: 2
#2Yanjun Xu (NAU: Nanjing Agricultural University)H-Index: 1
Last. Yidong Wu (NAU: Nanjing Agricultural University)H-Index: 30
view all 6 authors...
Abstract Insecticidal proteins from the bacterium Bacillus thuringiensis (Bt) can provide safe and effective control of some major pests, but evolution of resistance by pests diminishes these benefits. Better understanding of the genetics and mechanisms of resistance is urgently needed to improve methods for monitoring, managing, and countering pest resistance to Bt toxins. Here we used CRISPR-mediated knockouts to evaluate the role of five genes encoding candidate Bt toxin receptors in Spodopte...
2 CitationsSource
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