As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

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Answer 1

Textbook Question

Chapter 7, Problem 1CHI

As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

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Answer 2

Textbook Question

Chapter 7, Problem 1CHI

As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

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Answer 3

Textbook Question

Chapter 7, Problem 1CHI

As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

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Answer 4

Textbook Question

Chapter 7, Problem 1CHI

As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

Answer 8

Expert Solution & Answer

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Many bacteria use cell-cell signalling to regulate the expression of various factors that contributes to virulence. Bacteria generate signals of a wide range of structural classes. Diffusable signal factor (DSF) is a signal molecule, a cis-unsaturated fatty acid, involved in interspecies signalling, which modulates behaviours of numerous bacteria.

Answer 12

Explanation of Solution

There are various mechanisms available by which bacteria may quorum sense. This may include cell-cell communication by means of flagella, fimbriae, and pili, or other extracellular appendages. This is significant in the case of Dictyostelium and Myxobacteria. This cell-cell communication is collectively termed as multicellular behaviour in which numerous bacterial cells communicate and coordinate their actions as a unit. The use of extracellular vacuoles is considered as an emerging observation in cell-cell communication. Other examples of such complex behaviour include pattern formation in colonies and the formation of a fruiting body in the Myxobacteria. In eukaryotic developmental model systems, there are some examples, which is significant for direct cell-cell communication, like receptor on one cell and ligand on the other cell.

Answer 13

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As an alternative to diffusible signals, suggest another mechanism by which bacteria might quorum sense.

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