작성일 : 18-12-08
[Invent Biotechnologies, Inc.] Total Protein Extraction Kit for Insects


Minute™ Total Protein Extraction Kit for Insects


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Despite significant variation in body organization, insects all have the same general body structure. They

have segmented bodies divided into three regions: head, thorax and abdomen. The body segments are

protected by a hard exoskeleton or cuticles. From a protein extraction point of view, the unique structure of

an exoskeleton makes it very hard to homogenize. It is also very difficult to lyse cells protectedby cuticle for

total protein extraction. Traditional solution-based protein extraction methods, such as RIPA, are inefficient

and the protein yield is low. The profile of extracted protein using traditional methods is usually incomplete.

This kit provides a highly efficient method for total protein extraction from insects using a combination of

mechanical extraction and chemical lysis. The cell lysis buffers used are much stronger than RIPA buffers.

The kit features a simple, fast single-tube protocol and optimizedbuffers for insect tissues. Researchers have

the option to choose either a denaturing or native cell lysis buffer, which is specifically tailored for insects.

The whole procedure takes less than 10 minutes to complete and the protein yield is in the range of 1-3

mg/ml. The materials provided are sufficient for 50 extractions.


Comparison of protein extraction efficiency from whole drosophila

(RIPA vs SA-07-IS)

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Same amount of staring tissue and same volume of lysis buffer (200ul) were used. For RIPA buffer the tissue

was homogenized in a 1.5ml tube with a pestle for 5 minutes and incubated at RT for 10 minutes. The

homogenate was centrifuged at 10,000 x g for 10 minutes and supernatant saved. Same volume of extracted

protein was loaded in 10% SDS-PAGE and stained with Coommassie blue. For SA-07-IS denaturing

bufferwasused. Lane 1. SA-07-IS. Lane 2. RIPA buffer (R0278, Sigma)


Shipping and storage: This kit is shipped and stored at room temperature.



Instruction sheet (PDF)



Ordering information


Catalog No.

Product Name

Kit components



Minute™ Total Protein Extraction Kit for Insects

Denaturing Buffer

25 ml

Native Buffer

25 ml

Protein Extraction Powder

5.0 g

Plastic Rods

2 units

Filter Cartridges

50 units

Collection Tubes

50 units

* For 50 preps



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