نتایج جستجو برای: bombyx mori
تعداد نتایج: 6024 فیلتر نتایج به سال:
A new baculovirus-silkworm multigene expression system named Bombyx mori MultiBac is developed and described here, by which multiple expression cassettes can be introduced into the Bombyx mori nuclear polyhedrosis virus (BmNPV) genome efficiently. The system consists of three donor vectors (pCTdual, pRADM and pUCDMIG) and an invasive diaminopimelate (DAP) auxotrophic recipient E. coli containin...
The genome of Bombyx mori nucleopolyhedrovirus (BmNPV) is predicted to contain six RING finger proteins: IAP1, ORF35, IAP2, CG30, IE2, and PE38. Several other members of the RING finger family have recently been shown to have the ubiquitin-ligase (E3) activity. We thus examined whether BmNPV RING finger proteins have the E3 activity. In vitro ubiquitination assay with the rabbit reticulocyte ly...
Virus infections often lead to formation of aggregates and aggresomes in host cells. In this study, production of aggregates and aggresomes by the highly expressed protein polyhedrin of Bombyx mori nucleopolyhedrovirus (BmNPV) at 24 h postinfection (p.i.) was detected with a fluorescent molecular dye, and verified by colocalization of polyhedrin with aggresomal markers, GFP-250 and γ-tubulin. P...
This paper shows that silk fibers produced by cecropia (Hyalophora cecropia) have similar tensile properties but different amino acid composition than that of mulberry (Bombyx mori) silk. The cecropia fibers are also much finer and have better strength and modulus than tasar silk, the most common non-mulberry silk. Cecropia is one of the largest silk producing moths and has similar lifecycle to...
از لارو پروانه کرم ابریشم bombyx mori l. جهت مطالعه و بررسی تغییرات میزان فعالیت آنزیم های آنتی اکسیدانی نظیر کاتالاز (cat)، پروکسیداز (pod)، گلوتاتیون- اس- ترانسفراز (gst) و برخی از ماکرومولکول ها نظیر پروتئین و تری گلیسرید در دو دمای 24 و 39 درجه سلسیوس استفاده شد. به این منظور لارو ها در شرایط بهینه پرورش هم سن سازی شده و از روز دوم سن پنجم لاروی، به مدت 8 ساعت در روز با دمای 39 درجه سلسیوس ...
No special studies have been focused on the microRNA (miRNA) in the fifth-instar posterior silk gland of Bombyx mori. Here, using next-generation sequencing, we acquired 93.2 million processed reads from 10 small RNA libraries. In this paper, we tried to thoroughly describe how our dataset generated from deep sequencing which was recently published in BMC genomics. Results showed that our findi...
In Bombyx mori, polar body nuclei are observed until 9 h after egg lying, however, the fate of polar body nuclei remains unclear. To examine the fate of polar body nuclei, we employed a mutation of serosal cell pigmentation, pink-eyed white egg (pe). The heterozygous pe/+ (pe) females produced black serosal cells in white eggs, while pe/pe females did not produce black serosal cells in white eg...
The release process of phenol blue from a dibutyrylchitin microsphere, prepared with chitin from a silkworm, into an aqueous solution was kinetically analyzed by single microparticle injection/manipulation and absorption microspectroscopy. The distribution ratio and the release rate of phenol blue in the single microsphere/water system were significantly influenced by the pH of the solution. Th...
We performed threefold shotgun sequencing of the silkworm (Bombyx mori) genome to obtain a draft sequence and establish a basic resource for comprehensive genome analysis. By using the newly developed RAMEN assembler, the sequence data derived from whole-genome shotgun (WGS) sequencing were assembled into 49,345 scaffolds that span a total length of 514 Mb including gaps and 387 Mb without gaps...
Cecropins constitute one of the largest and most potent immune protein families found in insect species with diversified numbers and features. In view of the large number of cecropin proteins existing with much sequence variations among them, an overview of the multigene cecropin family in silkworm Bombyx mori was attempted in this study. Cecropin encodes an inducible 64 residue anti-bacterial ...
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