Glycocalyx (Capsule & Slime layer) / Structures external to the bacterial cell wall / Biofilm /Tamil

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Microbiological Concepts

Microbiological Concepts

Күн бұрын

Many prokaryotes secrete on their surface a substance called glycocalyx. Glycocalyx (meaning sugar coat) is the currently accepted term used to refer to all polysaccharide-containing substances found external to the cell wall, from the thickest capsules to the thinnest slime layers. All bacteria have at least a thin slime layer.
The bacterial glycocalyx is a viscous (sticky), gelatinous polymer that is external to the cell wall and composed of polysaccharide, polypeptide, or both. Its chemical composition varies widely with the species. For the most part, it is made inside the cell and secreted to the cell surface. If the substance is organized and is firmly attached to the cell wall, the glycocalyx is described as a capsule. If the substance is unorganized and only loosely attached to the cell wall, the glycocalyx is described as a slime layer. So, in this video, the capsule and slime layer of the bacterial cell are explained in detail.
Gram positive cell wall
• Gram positive bacteria...
Gram negative cell wall
• GRAM NEGATIVE BACTERIA...
Plasma membrane
• Bacterial plasma membr...
Flagella
• Bacterial Flagella & i...

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@v.r.mallikapalanisamy3858
@v.r.mallikapalanisamy3858 3 жыл бұрын
1like 1comments good sharing nice veideo useful information thank you for your veideo friend stay connected in touch nice day 🙏💐🤗
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