Flagella,Pilli andFimbraie
HTML-код
- Опубликовано: 15 окт 2024
- Flagella are locomotry structures help in locomotion
Flagella and pilli are considered as organelles
All flagella have "H" antigens
A flagellum has three components:
1-Filament, which is made up of flagelin protein
2- Hook, which is made up of different proteins
3- Basal body, which contains a rod and rings
In gram+ve bacteria, a flagellum has two rings embedded in cytoplasmic membrane e.g S ring and M ring
But in gram -ve bacteria, a flagellum has 4 rings. L ring is present in outer membrane of cell wall, P ring is present in Peptidoglycans. And S, M rings are present in cytoplasmic membrane
Motors rotate flagella. These motors have 2 imp. components
1- Rotor, which spins
2-Stator, which is stationary and made up of MOT-A, MOT-B proteins
Endoflagella are present in spirochetes
Bacteria move in response to phototaxsis or chemotaxsis
Classification of bacteria on the basis of flagella
1Atrichous bacteria
2-Monotrichous bacteria
3-Amhitrichous bacteria
4-Lophotrichous bacteria
5- Peritrichous bacteria
Pilli and fimbriae are thread like structures help in attachment
Pillus is made up of pillin proteins
Pilli are not considered as locomotry structures, but pilli can help bacteria in twitching and gliding movement
Main role of pilli is to help bacteria in conjugation
It is really very informative and so easy to understand thank you so much for sharing this knowledge #sir.
😊
Nicely explained..Keep it up
Thanks, Mam😊
Informative
MashaaAllah very well explained. you remind me my bachelors study.
good going keep it up
#yassalsConcepts
Jazakallah😊
You are one of my favourite teacher
❤
Very well explained
Very informative video
Jazakallah sir💖
When one bacteria exchange or donate their genetic material to other one, Are they get affected. Because the donor bacteria also need genetic materials. Please explain.
Donor bacteria have fertility factor known as F-plasmid. It allows the bacterium to form a pillus. That pillus aids the bacterium to transfer that F-plasmid( genetic material) to the recipient. Keep it in mind that recepient is having an advantage of getting genetic material from donor. But donor neither have advantage nor have disadvantage. Plasmid remains in the donor as well...just it transfers the copy of its genetic material
Hi... this is Sandip... Nice video...
😊
Very interesting lecture
😊
Nice lecture
Shukriya sir😊
Great explanation and animation.keep doing hard work. You will definitely rock
Thanks sir 💖
Plzz make detailed video on Spirochetes & archae bacteria
Sure
Nicely explained 👍👍
Thank u😊
Great explanation
Well explained
Well explained.... Thank you....
Very informative ☺️
Thank u😊
nicely explained sir
Thank u😊
Best explanation ❤
informative
Very well explained sir 🙏🥺
Kindly discuss mutations in detailed way sir 🤗🤗🤗🤗
Sure.
Very excellent. But please, could you speak English in next videos or at least more English than that ?
sure...will make a next video in English
Sir bari bewafa nikli ye F- 😂😂😂
😂😂