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Insect Biochemistry and Molecular Biology

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Ingenta, Gale, Proquest, CSA, Rcgp, and Sciencedirect from 1992

  1. TIL-type protease inhibitors may be used as targeted resistance factors to enhance silkworm defenses against invasive fungi.

    Insect Biochemistry and Molecular Biology 57:11 (2015) PMID 25453359

    We conducted an in-depth study of serine protease inhibitors. Here, we cloned and expressed a novel silkworm TIL-type protease inhibitor, BmSPI39. In activity assays, BmSPI39 potently inhibited the virulence protease CDEP-1 of Beauveria bassiana, suggesting that it might suppress the fungal penetrat...
  2. Syntaxin 1A modulates the sexual maturity rate and progeny egg size related to phase changes in locusts.

    Insect Biochemistry and Molecular Biology 56:1 (2015) PMID 25446392

    The migratory locust (Locusta migratoria) exhibits clear phenotypic plasticity depending on its population density. Previous studies have explored the molecular mechanisms of body colour, behavior, immunity, and metabolism between high population density gregarious (G) and low population density sol...
  3. Cadherin AdCad1 in Alphitobius diaperinus larvae is a receptor of Cry3Bb toxin from Bacillus thuringiensis.

    Insect Biochemistry and Molecular Biology 45:11 (2014) PMID 24225445

    We report a 185 kDa cadherin (AdCad1) from larvae of the lesser mealworm (Alphitobius diaperinus) larvae as the first identified receptor for Cry3Bb toxin. The AdCad1 protein contains typical structural components for Cry toxin receptor cadherins, including nine cadherin repeats (CR9), a membrane-pr...
  4. The ABC gene family in arthropods: comparative genomics and role in insecticide transport and resistance.

    Insect Biochemistry and Molecular Biology 45:89 (2014) PMID 24291285

    We conducted a thorough phylogenetic analysis of the seven arthropod and human ABC protein subfamilies, to infer orthologous relationships that might suggest conserved function. Most orthologous relationships were found in the ABCB half transporter, ABCD, ABCE and ABCF subfamilies, but specific expa...
  5. Conserved RNA cis-elements regulate alternative splicing of Lepidopteran doublesex.

    Insect Biochemistry and Molecular Biology 44:1 (2014) PMID 24239545

    We focused on alternative splicing of doublesex (dsx) in two agricultural pests, Asian corn borer (Ostrinia furnacalis) and cotton bollworm (Helicoverpa armigera), as well as the silkworm (Bombyx mori). More than a dozen new alternative splicing isoforms of dsx were found in the Lepidopteran females...
  6. FISH identification of Helicoverpa armigera and Mamestra brassicae chromosomes by BAC and fosmid probes.

    Insect Biochemistry and Molecular Biology 43(8):644 (2013) PMID 23628856

    We selected the noctuid species Helicoverpa armigera and Mamestra brassicae, both with n = 31 chromosomes. Gene-defined fosmid clones from M. brassicae and BAC clones from a closely related species of H. armigera, Heliothis virescens, were used for a FISH analysis on pachytene chromosomes. We recogn...
  7. An insect trypsin-like serine protease as a target of microRNA: utilization of microRNA mimics and inhibitors by oral feeding.

    Insect Biochemistry and Molecular Biology 43(4):398 (2013) PMID 23108205

    We identified a miRNA, har-miR-2002b, that is specifically expressed during larval stages of Helicoverpa armigera (cotton bollworm). For the first time, we explored the possibility of utilizing synthetic inhibitor and mimic of a miRNA by oral feeding and confirmed that the inhibitor and mimic can su...
  8. Insights into subunit interactions within the insect olfactory receptor complex using FRET.

    Insect Biochemistry and Molecular Biology 43(2):138 (2013) PMID 23196131

    We measured intermolecular Förster/Fluorescence Resonance Energy Transfer (FRET) in live insect cells by acceptor photobleaching. Fusion proteins containing Cyan Fluorescent Protein or Yellow Fluorescent Protein were produced using baculovirus-mediated expression in High Five™ cells. The majority of...
  9. A hemocyte-derived Kunitz-BPTI-type chymotrypsin inhibitor, HlChI, from the ixodid tick Haemaphysalis longicornis, plays regulatory function...

    Insect Biochemistry and Molecular Biology 42(12):925 (2012) PMID 23017545

    We describe a cDNA that encodes a functionally active chymotrypsin inhibitor of the BPTI/Kunitz family of serine protease inhibitors from the hemocytes of the ixodid tick, Haemaphysalis longicornis, herein called HlChI. HlChI sequence is evolutionarily conserved and contains six cysteine residues an...
  10. A novel protease inhibitor in Bombyx mori is involved in defense against Beauveria bassiana.

    Insect Biochemistry and Molecular Biology 42(10):766 (2012) PMID 22841512

    We cloned and expressed a novel silkworm TIL-type protease inhibitor BmSPI38, which was very stable over a wide range of temperatures and pH values. An activity assay suggested that BmSPI38 potently inactivated the insecticidal cuticle-degrading enzyme (CDEP-1) produced by B. bassiana and subtilisin...