Basics of Microbiology

Bacteria

4.30 (29 reviews)
Udemy
platform
English
language
Science
category
1,238
students
1 hour
content
Sep 2022
last update
FREE
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What you will learn

Definition of Bacteria

Morphological classification of Bacteria

Applications of Bacteria in pharmaceutical industry

Overall basics of bacteria

Description

In this student will able to learn definition of bacteria, morphological classification of bacteria, applications of Bacteria. as we all know Bacteria are unicellular , free living , microscopic microorganisms capable of performing essential functions of life. They contain both DNA and RNA. They range from 0.2 to 2.0 um in diameter and 2-8 um in length. They are present in air, water ,soil . Food and all natural environment. An electron microscope is used for clear visualisation of internal structures of the bacteria.

Morphological classification of bacteria- Cocci: These types of bacteria are unicellular, spherical or elliptical shape.

Bacilli: – These are rod shaped or cylindrical bacteria which either remain singly or in pairs. Example: –Bacillus cereus.

Vibro: – The vibro are the curved, comma shaped bacteria and represented by a single genus. Example: – Vibro cholerae.

Spirilla: – These type of bacteria are spiral or spring like with multiple curvature and terminal flagella. Example: –Spirillum volutans.

Spirochetes : slender,flexious,spiral forms (Treponema).

Actinomycetes : branching filamentous bacteria. The shape is due to rigid cell wall.

Mycoplasmas: They are cell wall deficient bacteria and hence do not possess stable morphology. They occur in round or oval bodies with interlacing filaments.

On the basis of arrangement of bacterial cell:

Monococcus:– they are also called micrococcus and represented by single, discrete round Example: Micrococcus flavus.

Diplococcus:– the cell of the Diplococcus divides ones in a particular plane and after division, the cells remain attached to each other. Example: Diplococcus pneumonia.

Streptococcus: – here the cells divide repeatedly in one plane to form chain of cells. Example: – Streptococcus pyogenes.

Tetracoccus: – this consists of four round cells, which defied in two planes at a right angles to one another. Example: – Gaffkya tetragena.

Sarcina: -in this case the cells divide in three planes but they form a cube like configuration consisting of eight or sixteen cells but they have a regular shape. Example: –Sarcina lutea.

Applications of Bacteria- Production of enzymes, vaccines, sterilized product, Diagnosis of disease and treatment, Treatment of industrial waste material, Sterilization, Evaluation of disinfectant, Microbiological assays of antibiotics.

Content

Bacteria

Introduction of Bacteria
Morphological classification of bacteria depending on Shape
Morphological classification of bacteria on the basis of arrangements of cell
Structure of Bacterial cell: Part 1
Structure of Bacterial Cell: Part 2
Importance of Bacteria

Screenshots

Basics of Microbiology - Screenshot_01Basics of Microbiology - Screenshot_02Basics of Microbiology - Screenshot_03Basics of Microbiology - Screenshot_04

Reviews

Carla
January 27, 2024
I'm a beginner and had a hard time connecting the dots. Was looking for more real-world examples. But thank you for the introduction.
Gloria
November 19, 2023
It's a good course, I would just personally prefer if more was covered in a single lesson, therefore I am giving it 3 1/2 whereas I would typically rate something a 4 unless it was a truly amazing course.
Lacie
March 17, 2023
Course is good. Teacher is good. But I would have like to see more pictures of Bacteria structure and function instead of words on slides.

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udemy ID
9/6/2022
course created date
9/22/2022
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