pFastBac™ Dual 表达载体
Invitrogen17万+抗体限时买二赠一,靶点广,灵活用!
pFastBac™ Dual 表达载体
Gibco™

pFastBac™ Dual 表达载体

pFastBac™ Dual 载体在一个载体中具有两个启动子,当使用 Bac-to-Bac® 杆状病毒表达系统时,可在昆虫细胞中同时表达两种蛋白(货号 10359-016)。该载体具有两个强启动子,多角体蛋白启动子和 p10了解更多信息
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货号数量
1071202410 μg
货号 10712024
价格(CNY)
12,844.00
Each
添加至购物车
数量:
10 μg
价格(CNY)
12,844.00
Each
添加至购物车
pFastBac™ Dual 载体在一个载体中具有两个启动子,当使用 Bac-to-Bac® 杆状病毒表达系统时,可在昆虫细胞中同时表达两种蛋白(货号 10359-016)。该载体具有两个强启动子,多角体蛋白启动子和 p10 启动子,可实现高水平表达。包含表达 CAT 和 β-葡萄糖醛酸酶 (gus) 的表达对照载体。
仅供科研使用。不可用于诊断程序。
规格
产品类型表达载体
数量10 μg
载体pFastBac
克隆方法限制性内切酶/MCS
产品线pFastBac
促进剂p10、多角体蛋白, Polyhedrin
蛋白标记未标记
Unit SizeEach
内容与储存
pFastBac™ Dual (10 μg) 和 pFastBac™ Dual 对照载体 (4 ng) 以冻干形式提供。

在 -20°C 下储存。适当储存时载体可保证稳定 6 个月。

常见问题解答 (FAQ)

白色菌落不能在液体培养基中生长。我该怎么办?

庆大霉素浓度可能过高。尝试降低庆大霉素的浓度至5 µg/mL,并在培养基中加入更多菌落。

为什么会出现蓝色菌落?为什么会出现中心为蓝色而边缘为白色的菌落?

若出现蓝色菌落,则大肠杆菌含有杆粒和质粒,使细胞能在筛选过程中存活。但是,由于未发生转座,所以LacZ基因未被破坏。靶心菌落表示在菌落生长时发生转座。将从混合克隆白色部分中分离得到的克隆重新划线,应该能够得到发生过转座的菌落。

我得到的主要是白色/野生型空斑,而不是蓝色/重组型空斑。哪里出错了?

这是同源性重组较差的典型标志。应检查使用的质粒/线性DNA比例。但是,如果存在一些蓝色空斑,则对那些病毒进行扩增并检测它们的蛋白。根据我们的经验,它们应该是正确的,即使其丰度相对较低。

感染细胞后,我在一个细胞中看到较大的多角体,而在相邻细胞中看到较小的多角体(数量更多)。这正常吗?

是的,细胞被单个野生型病毒感染后,会以不同速度生成多角体,直到培养瓶中所有的细胞都被感染。细胞中多角体的形成需要3-4天左右,其大小和数量各不相同,直至达到最大能力并发生细胞破裂,从而将微小的病毒颗粒释放到培养基中。

我担心得不到空斑。出现空斑需要几天?空斑通常为多大?

正常情况下,约5-7天会出现很小的白点,约10天出现1 mm空斑。空斑的大小范围为1 mm至4 mm。

引用和文献 (8)

引用和文献
Abstract
Molecular characterization of hCTR1, the human copper uptake protein.
Authors: Eisses John F; Kaplan Jack H;
Journal:J Biol Chem
PubMed ID:12034741
'We have expressed hCTR1, the human copper transporter, in Sf9 cells using a baculovirus-mediated expression system, and we observed greatly enhanced copper uptake. Western blots showed that the protein is delivered to the plasma membrane, where it mediates saturable copper uptake with a K(m) of approximately 3.5 microm. We also ... More
Structure of the reovirus membrane-penetration protein, Mu1, in a complex with is protector protein, Sigma3.
Authors: Liemann Susanne; Chandran Kartik; Baker Timothy S; Nibert Max L; Harrison Stephen C;
Journal:Cell
PubMed ID:11832217
Cell entry by nonenveloped animal viruses requires membrane penetration without membrane fusion. The reovirus penetration agent is the outer-capsid protein, Mu1. The structure of Mu1, complexed with its  ... More
Molecular characterization of major cat allergen Fel d 1: expression of heterodimer by use of a baculovirus expression system.
Authors:Seppälä U, Hägglund P, Wurtzen PA, Ipsen H, Thorsted P, Lenhard T, Roepstorff P, Spangfort MD,
Journal:J Biol Chem
PubMed ID:15546862
Fel d 1 is a major cat allergen inducing allergic rhinitis and asthma in sensitized individuals. It has a more complex structure when compared with other allergens and therefore expression of recombinant Fel d 1 has been considered a challenge. The present study shows for the first time that a ... More
A novel 43-kDa protein as a negative regulatory component of phenoloxidase-induced melanin synthesis.
Authors:Zhao M, Söderhäll I, Park JW, Ma YG, Osaki T, Ha NC, Wu CF, Söderhäll K, Lee BL,
Journal:J Biol Chem
PubMed ID:15857824
The melanization reaction induced by activated phenoloxidase in arthropods is important in the multiple host defense innate immune reactions, leading to the sequestration and killing of invading microorganisms. This reaction ought to be tightly controlled because excessive formation of quinones and systemic hypermelanization are deleterious to the hosts, suggesting that ... More
Human MutY homolog, a DNA glycosylase involved in base excision repair, physically and functionally interacts with mismatch repair proteins human MutS homolog 2/human MutS homolog 6.
Authors: Gu Yesong; Parker Antony; Wilson Teresa M; Bai Haibo; Chang Dau-Yin; Lu A-Lien;
Journal:J Biol Chem
PubMed ID:11801590
Adenines mismatched with guanines or 7,8-dihydro-8-oxo-deoxyguanines that arise through DNA replication errors can be repaired by either base excision repair or mismatch repair. The human MutY homolog (hMYH), a DNA glycosylase, removes adenines from these mismatches. Human MutS homologs, hMSH2/hMSH6 (hMutSalpha), bind to the mismatches and initiate the repair on ... More