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mcherry激發(fā)波長是多少?

作者:激發(fā)光源事業(yè)部時(shí)間:2019-09-05 10:26:27瀏覽18548 次

信息摘要:

mCherry是一種來自于蘑菇珊瑚(mushroom coral)的紅色熒光蛋白,常有于標(biāo)記和示蹤某些分子和細(xì)胞組分。相對(duì)于其他熒光,mCherry的好處在于它的顏色和應(yīng)用最多的綠色熒光蛋白(GFP)能進(jìn)行共同標(biāo)記,并且mCherry相對(duì)于其他單體熒光蛋白來說也具有卓越的光穩(wěn)定型。

如何快速觀察到EGFP在動(dòng)植物體內(nèi)的表達(dá)?

美國路陽生產(chǎn)一款便攜式熒光蛋白激發(fā)光源,能夠方便快捷觀察EGFP在動(dòng)植物體內(nèi)的表達(dá)。我們免費(fèi)提供樣機(jī)供科研院所試用,滿意付款。如有興趣,可添加微信號(hào)(luyor01)聯(lián)系。

 EGFP在煙草上的表達(dá)

EGFP在煙草上的表達(dá)


LUYOR-3415RG便攜式熒光蛋白激發(fā)光源

1617958649936758.jpg

綠色熒光蛋白斑馬魚上的表達(dá)

紅色熒光蛋白在斑馬魚上的表達(dá)

綠色熒光蛋白在果蠅上的表達(dá)

綠色熒光蛋白在老鼠幼崽上的表達(dá)

紅色熒光蛋白擬南芥上的表達(dá)

mcherry激發(fā)波長是多少?

 mcherry Fluorescent Proteins Excitation Emission

mCherry是一種來自于蘑菇珊瑚(mushroom coral)的紅色熒光蛋白,常有于標(biāo)記和示蹤某些分子和細(xì)胞組分。相對(duì)于其他熒光,mcherry的好處在于它的顏色和應(yīng)用最多的綠色熒光蛋白(GFP)能進(jìn)行共同標(biāo)記,并且mcherry相對(duì)于其他單體熒光蛋白來說也具有卓越的光穩(wěn)定型。

mcherry紅色熒光蛋白
吸收和發(fā)射波長:

mcherry的更大吸收/發(fā)射峰分別位于587nm和610nm,對(duì)光致漂白耐受,熒光非常穩(wěn)定。

mcherry紅色熒光蛋白

mcherry常見應(yīng)用:

?mCherry常用于與目的基因組成融合蛋白以及通過IRES或2A與感興趣的蛋白共表達(dá);
?啟動(dòng)子活性研究;
?熒光共振能量轉(zhuǎn)移(fluorescence resonance energy transfer,F(xiàn)RET)和其他定量實(shí)驗(yàn);
?標(biāo)記細(xì)胞或者分子,進(jìn)行示蹤實(shí)驗(yàn);

mcherry紅色熒光蛋白

 mCherry is a fluorophore (a fluorescent protein) used in biotechnology as a tracer to follow the flow of fluids, as a marker when tagged to molecules and cell components. mCherry and the majority of red fluorescent proteins derive from a protein isolated from Discosoma sp., while other fluorescent proteins in the green range are often variants of GFP from Aequorea victoria.

 
m前綴的意義:
mCherry的m為monmer單體的縮寫,表示mCherry熒光蛋白的形式為單體,這在很多實(shí)驗(yàn)設(shè)計(jì)中非常重要,比如與目的標(biāo)記基因組成融合蛋白時(shí)。

成熟時(shí)間:
mCherry具有較快的成熟速度,t0.5為15分鐘,這在一些需要做出快速反應(yīng)的實(shí)驗(yàn)非常重要。比如啟動(dòng)子活性報(bào)告系統(tǒng)等。

如何觀察和篩選mcherry在植物中的表達(dá)?

你可以選用LUYOR-3415RG和LUYOR-3260GR便攜式熒光蛋白激發(fā)光源來直接觀察和篩選mcherry在植物中有沒有表達(dá)。如需進(jìn)一步了解,請撥打電話153-1756-5658進(jìn)行咨詢(或直接添加微信15317565658咨詢)。

mcherry紅色熒光蛋白

mcherry紅色熒光蛋白的激發(fā)波長和發(fā)射波長


1573530098248906.jpg

上圖為LUYOR-3415RG便攜式紅色熒光蛋白激發(fā)光源

1573530166208008.jpg

上圖為LUV-50A紅色熒光蛋白觀察眼鏡

1634021167907968.jpg

上圖為LUV-590A 紅色熒光蛋白拍照濾鏡

1638151326207096.jpg

上圖為紅色熒光蛋白在大豆根系上的表達(dá)(LUYOR-3415RG照射,LUV-590A濾鏡拍攝)

實(shí)驗(yàn)室常見熒光蛋白的激發(fā)波長和發(fā)射波長


紫外熒光蛋白UV Proteins

ProteinExcitation Wavelength  Emission Wavelength       
Sirius355424
Sandercyanin375630
shBFP-N158S/L173I375458




藍(lán)色熒光蛋白Blue Proteins

ProteinExcitation WavelengthEmission Wavelength
Azurite383450
EBFP2383448
mKalama1385456
mTagBFP2                       399454
TagBFP402457
shBFP401458

青色熒光蛋白Cyan Proteins

ProteinExcitation WavelengthEmission Wavelength
ECFP433475
Cerulean433475
mCerulean3433475
SCFP3A433474
CyPet435477
mTurquoise434474
mTurquoise2434474
TagCFP458480
mTFP1462492
monomeric Midoriishi-Cyan470496
Aquamarine430474

綠色熒光蛋白Green Proteins

ProteinExcitation WavelengthEmission Wavelength
TurboGFP482502
TagGFP2483506
mUKG483499
Superfolder GFP485510
Emerald487509
EGFP488507
Monomeric Azami Green   492505
mWasabi493509
Clover505515
mNeonGreen506517
NowGFP494502
mClover3506518

黃色熒光蛋白Yellow Proteins

ProteinExcitation WavelengthEmission Wavelength
TagYFP508524
EYFP513527
Topaz514527
Venus515528
SYFP2515527
Citrine516529
Ypet517530
lanRFP-ΔS83                      521592
mPapaya1530541
mCyRFP1528594

桔色熒光蛋白Orange Proteins

ProteinExcitation WavelengthEmission Wavelength
Monomeric Kusabira-Orange548559
mOrange548562
mOrange2549565
mKOκ551563
mKO2551565

紅色熒光蛋白R(shí)ed Proteins

ProteinExcitation WavelengthEmission Wavelength
TagRFP555584
TagRFP-T555584
RRvT556583
mRuby558605
mRuby2559600
mTangerine                            568585
mApple568592
mStrawberry574596
FusionRed580608
mCherry587610
mNectarine558578
mRuby3558592
mScarlet569594
mScarlet-I569593

遠(yuǎn)紅熒光蛋白Far Red Proteins

ProteinExcitation WavelengthEmission Wavelength
mKate2588633
HcRed-Tandem590637
mPlum590649
mRaspberry598625
mNeptune600650
NirFP605670
TagRFP657                            611657
TagRFP675598675
mCardinal604659
mStable597633
mMaroon1609657
mGarnet2598671

近紅熒光蛋白Near IR Proteins

ProteinExcitation WavelengthEmission Wavelength
iFP1.4684708
iRFP713 (iRFP)                     690713
iRFP670643670
iRFP682663682
iRFP702673702
iRFP720702720
iFP2.0690711
mIFP683704
TDsmURFP642670
miRFP670642670

Sapphire-type Proteins

ProteinExcitation WavelengthEmission Wavelength
Sapphire399511
T-Sapphire                             399511
mAmetrine406

526

Red Fluorescent Proteins

Red fluorescent proteins (RFP) can be imaged on existing confocal or widefield microscopes, and they also have more penetrating power. The excitation and emission maxima of RFP are 558nm and 583 nm, respectively.

The use of RFP, however, has been hampered with several issues. RFP is an obligate tetramer - thus, it forms large aggregates inside cells. This makes the use to RFP to report the location of a protein severely limited.

Although GFP can successfully fuse with several hundreds of proteins, RFP-conjugated proteins are often toxic. Some variants of RFP have overcome these limitations. For example, DsRed2 fluorescent protein does not form aggregates and has reduced toxicity, while another variant of RFP (known as RedStar) has increased brightness and maturation rate.


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