Invent Biotechnologies, Inc
작성일 : 17-07-12
[Invent Biotechnologies, Inc.] Plasma Membrane Protein Isolation Kit for Plants


Minute™ Plasma Membrane Protein Isolation Kit for Plants



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Plasma membrane(PM) protein accounts for a small fraction of total cellular protein in plants but performs a

very critical role in plant physiology. Isolation and purification of PM protein from plant tissues have been

traditionally done by sucrose density ultracentrifugation and aqueous two-phase partitioning. These

methods, while relatively effective, require ultracentrifugation and large amount of starting material. The

procedures are usually tedious and time consuming.To overcome the shortcomings, we have developed this

PM isolation kit. Plant tissues are first sensitized by buffer A, homogenized, and pass through a specialized

filter cartridge that allows homogenates to pass through with a zigzag path. The cell membranes are ruptured

into a range of predefined size during the process. Native plasma membranes are separated from a mixture

of un-ruptured cells, nuclei, cytosol and organelles by subsequent differential centrifugation and density

centrifugation without using ultracentrifugation.Due to the use of same amount of starting material, defined

centrifugal force and pre-defined duration in every experiment, the result is much more consistent with high

degree of PM protein enrichment. The procedure can be completed in about 1 hour.




Instruction sheet (PDF)



Ordering information


Catalog No.

Product Name

Kit components



Minute™ Plasma Membrane Protein

Isolation Kit for Plants

Buffer A

25 ml

Buffer B

10 ml

Protein extraction filter cartridges


Collection tubes


Plastic Rods


Tissue Dissociation Beads

10 g

* For 50 preps



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