A powerful approach utilizing polyproteins for balancing stoichiometry of recombinant multiprotein complexes overproduced in baculovirus expression vector systems (BEVS) is described. This procedure has been implemented here in the MultiBac system but can also be directly adapted to all commonly used BEVS. The protocol details the design principles of polyprotein-expressing DNA constructs, the generation of composite baculovirus for polyprotein production, and the expression and in vivo processing of polyproteins in baculovirus infected insect cells.
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http://dx.doi.org/10.1007/978-1-62703-691-7_8 | DOI Listing |
ASN Neuro
January 2025
School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
We previously identified a role for dAuxilin (dAux), the fly homolog of Cyclin G-associated kinase, in glial autophagy contributing to Parkinson's disease (PD). To further dissect the mechanism, we present evidence here that lack of glial dAux enhanced the phosphorylation of the autophagy-related protein Atg9 at two newly identified threonine residues, T62 and T69. The enhanced Atg9 phosphorylation in the absence of dAux promotes autophagosome formation and Atg9 trafficking to the autophagosomes in glia.
View Article and Find Full Text PDFSTAR Protoc
January 2025
State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China. Electronic address:
The silk glands (SGs) of silkworms specifically synthesize silk proteins, thus strongly influencing the yield and quality of silk. Here, we present a protocol for isolating SG nuclei from silkworms and obtaining high-quality tissue slices for spatial transcriptomics. We describe steps for rearing, dissecting, and nucleus isolation.
View Article and Find Full Text PDFJ Gen Virol
January 2025
Laboratory of Virology, Wageningen University and Research, 6708 PB Wageningen, Netherlands.
Nudiviruses (family ) are double-stranded DNA viruses that infect various insects and crustaceans. Among them, Heliothis zea nudivirus 1 (HzNV-1) represents the rare case of a lepidopteran nudivirus inducing a sexual pathology. Studies about molecular pathological dynamics of HzNV-1 or other nudiviruses are scarce.
View Article and Find Full Text PDFFood Sci Nutr
January 2025
Department of Horticulture and Food Security JKUAT Nairobi Kenya.
Microgreens of Brassica plants have attracted increasing research interest in the management of the prevailing epidemic of Type 2 diabetes mellitus (T2DM) because of their high nutritional value. This study evaluated the antidiabetic effects of Microgreens Ethanolic Extract (BMEE) in type-2 diabetic rats. For the normoglycemic assay, rats were divided into five groups and received a single oral dose of 100, 250, and 500 mg/kg of BMEE while the control groups received distilled water and Glibenclamide.
View Article and Find Full Text PDFActa Physiol (Oxf)
February 2025
Laboratory of Neuroendocrinology-Molecular Cell Physiology, Faculty of Medicine, Institute of Pathophysiology, University of Ljubljana, Ljubljana, Slovenia.
Aim: Octopamine in the Drosophila brain has a neuromodulatory role similar to that of noradrenaline in mammals. After release from Tdc2 neurons, octopamine/tyramine may trigger intracellular Ca signaling via adrenoceptor-like receptors on neural cells, modulating neurotransmission. Octopamine/tyramine receptors are expressed in neurons and glia, but how each of these cell types responds to octopamine remains elusive.
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