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A Mutant Form of Maltose-Binding Protein of Escherichia coli - dental umaryland

A Mutant Form of Maltose-Binding Protein of Escherichia coli - dental umaryland 2025

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The document discusses a study on a mutant form of the maltose-binding protein (MalE) in Escherichia coli that is deficient in its interaction with the bacteriophage lambda receptor protein (LamB). The research demonstrates that this mutation impairs the transport of maltodextrins across the outer membrane, highlighting the essential role of the MalE-LamB interaction in facilitating maltose uptake. The findings suggest that physical cooperation between these proteins is crucial for effective transport, and that previous reconstituted systems may not accurately model this physiological process.

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Click ‘Get Form’ to open it in the editor.
Begin by reviewing the introductory section, which provides context about the mutant form and its significance in maltose transport. This will help you understand the purpose of the form.
Fill out your personal information in the designated fields, ensuring accuracy for any follow-up communications.
Proceed to the section detailing experimental observations. Here, input relevant data regarding your findings related to maltodextrin transport and protein interactions.
In the conclusion area, summarize your insights based on the data collected. This is crucial for conveying your overall understanding of the study's implications.
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What is the name of the Escherichia coli strain you will use to express recombinant protein?

coli BL21 (DE3) strain. E. coli BL21 (DE3) is the most widely used prokaryotic expression host which is deficient for two main proteases OmpT and Lon.

What is the maltose binding protein in E coli?

The maltose binding protein (MBP or MalE) of Escherichia coli is the periplasmic component of the transport system for malto-oligosaccharides. It is used widely as a carrier protein for the production of recombinant fusion proteins.

What is an E. coli mutant?

Although Escherichia coli is a very small (1- to 2-m) rod-shaped cell, here we describe an E. coli mutant that forms enormously long cells in rich media such as Luria broth, as long indeed as 750 m. These extremely elongated (eel) cells are as long as the longest bacteria known and have no internal subdivisions.

Is E. coli maltose positive?

The regulation of the maltose system in Escherichia coli has traditionally been viewed as a simple positive feedback loop.