Introduction To Microbiology
Microbiology seems tough? Here we simplify this subject and make it an enjoyable one! Start with us in microbiology, and hopefully you will enjoy and learn at the same time.
0:11 - Definition of microbiology
0:21 - Benefits of microorganisms
0:49 - How do we categorize microrganisms
1:12 - Hierarchy of biological classification
1:55 - Differences between Eukaryotes and Prokaryotes
2:23 - Eukaryotes kingdoms
2:42 - Bacterial Nomenclature
3:13 - Different shapes of Bacteria
3:52 - Bacterial architecture
5:11 - Gram staining
5:43 - Difference in plasma membrane of Gram +ve and Gram -ve Bacteria
Micro-Biology: Crash Course History of Science #24
It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John Snow (the other one), pasteurization, and why following our senses isn't always the worst idea.
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Chapter 1 Introduction to Microbiology
Microbiology 197 - Chapter 1 lecture for class.
Microbiology - Overview
A tour of the Microbiology Lab - Section one
How to Become a Microbiologist | Tips, Skills you need, Salary, What it's like
This video has been requested a few times so I hope this is helpful to those who asked!
This video is obviously VERY long, but no fluff. Just lots of detail.
Timestamps are below
1:14 - My job title/What I do, other microbiology jobs
2:52 - My journey to becoming a microbiologist (undergrad, grad school, how I got into a research lab)
6:47 - Tips while in school to become a microbiologist (studying, join a lab/do research, mentors)
11:19 - Salary
12:43 - Day-to-Day life (structure, dress attire, hours, pace, BSL2 vs BSL4, meetings)
18:32 - Skills required
27:57 - Pros and cons
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Microbiology - Streptococcus species
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Bacteria can be divided into gram negative or gram positive depending on their cell wall/peptidoglycan make up. Gram positive implies thick peptidoglycan layer and stain a purple colour.
There are two main spp of gram positive cocci that causes human infections. These are Streptococci and staphylococci, they are differentiated by two main criteria: first their ability to produce the enzyme catalase. Streptococci are catalase negative. Staphylococci are catalase positive, which allow them to convert hydrogen peroxide to water and oxygen gas. Hence on a slide or tube bubbles are formed. Second criteria to differentiate staph and strep is based on microscopic appearance. Staphylococcus spp are usually in clusters, where as streptococci are arranged in pairs, or chains.
Streptococcal infections remain a serious health problem worldwide.
The streptococci are divided based on their oxygen requirement are classified into aerobes/facultative anaerobes and obligate anaerobes. Here we are focusing on the aerobic and facultative anaerobes which make up majority of strep spp. I am writing aerobic here because facultative anaerobes are able to survive in oxygen.
The Gram- positive streptococci are then further divided into the haemolytic properties in blood. The streptococcus spp. are smeared in blood agar which is a plate containing blood. Haemolytic property of the bacteria mean the bacteria ability to haemolyse, breakdown red blood cells. Streptococci are divided into three haemolytic groups:
· Alpha haemolytic
· Beta haemolytic
· Gamma haemolytic
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What is a Medical Microbiologist?
What does a medical microbiologist do? Dr Shanika Crusz’s role is to diagnose, treat and prevent infection caused by micro-organisms (bacteria, viruses, fungi and parasites). Find out more about what a medical microbiologist does in this short video.
00:07 – What is a microbiologist?
00:30 – Why is microbiology important?
00:56 – What is a typical day like in microbiology?
02:01 – Do you have contact with patients?
02:56 – Does it allow you to have a work/life balance?
03:51 – What is the best part of the job?
All the videos in this playlist include:
What is a microbiologist?
Interview with a Medical Microbiologist: “You never know what’s going to grow”
What is a Haematologist?
Interview with a Haematologist: “Seeing patients get better, the best feeling in the world”
What is a Histopathologist?
Interview with a Histopathologist: “One of the medical specialties not everyone knows about”
What is a Clinical Biochemist?
Interview with a Clinical Biochemist: “Suggesting a test that will make a final diagnosis”
Find out more about a career in microbiology:
Explore other careers in pathology:
Produced by: Rachel Berkoff
Crash Course Microbiology
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Microbiology, along with mathematics, chemistry, and physics, is one of the fundamental branches of basic sciences. The knowledge and detailed study of microorganisms and their functions can establish its use in a variety of applications, from medical, food and environmental, agricultural and industrial field.
Microbiologist Salary (2020) – Microbiologist Jobs
Microbiologists study microorganisms such as bacteria, viruses, algae, fungi, and some types of parasites. They try to understand how these organisms live, grow, and interact with their environments.
Microbiologists typically do the following:
• Plan and conduct complex research projects, such as improving sterilization procedures or developing new drugs to combat infectious diseases
• Perform laboratory experiments that are used in the diagnosis and treatment of illnesses
• Supervise the work of biological technicians and other workers and evaluate the accuracy of their results
• Isolate and maintain cultures of bacteria or other microorganisms for study
• Identify and classify microorganisms found in specimens collected from humans, plants, animals, or the environment
• Monitor the effect of microorganisms on plants, animals, other microorganisms, or the environment
• Review literature and the findings of other researchers and attend conferences
• Prepare technical reports, publish research papers, and make recommendations based on their research findings
• Present research findings to scientists, nonscientist executives, engineers, other colleagues, and the public
Many microbiologists work in research and development conducting basic research or applied research. The aim of basic research is to increase scientific knowledge. An example is growing strains of bacteria in various conditions to learn how they react to those conditions. Other microbiologists conduct applied research and develop new products to solve particular problems. For example, microbiologists may aid in the development of genetically engineered crops, better biofuels, or new vaccines.
Microbiologists use computers and a wide variety of sophisticated laboratory instruments to do their experiments. Electron microscopes are used to study bacteria, and advanced computer software is used to analyze the growth of microorganisms found in samples.
It is increasingly common for microbiologists to work on teams with technicians and scientists in other fields, because many scientific research projects involve multiple disciplines. Microbiologists may work with medical scientists or molecular biologists while researching new drugs, or they may work in medical diagnostic laboratories alongside physicians and nurses to help prevent, treat, and cure diseases.
The following are examples of types of microbiologists:
Bacteriologists study the growth, development, and other properties of bacteria, including the positive and negative effects that bacteria have on plants, animals, and humans.
Clinical microbiologists perform a wide range of clinical laboratory tests on specimens collected from plants, humans, and animals to aid in detection of disease. Clinical and medical microbiologists whose work involves directly researching human health may be classified as medical scientists.
Environmental microbiologists study how microorganisms interact with the environment and each other. They may study the use of microbes to clean up areas contaminated by heavy metals or study how microbes could aid crop growth.
Industrial microbiologists study and solve problems related to industrial production processes. They may examine microbial growth found in the pipes of a chemical factory, monitor the impact industrial waste has on the local ecosystem, or oversee the microbial activities used in cheese production to ensure quality.
Mycologists study the properties of fungi such as yeast and mold. They also study the ways fungi can be used to benefit society (for example, in food or the environment) and the risks fungi may pose.
Parasitologists study the life cycle of parasites, the parasite-host relationship, and how parasites adapt to different environments. They may investigate the outbreak and control of parasitic diseases such as malaria.
Public health microbiologists examine specimens to track, control, and prevent communicable diseases and other health hazards. They typically provide laboratory services for local health departments and community health programs.
Virologists study the structure, development, and other properties of viruses and any effects viruses have on infected organisms.
Many people with a microbiology background become high school teachers or postsecondary teachers.
In this video, Stephen Hack talks about Microbiologist statistics nationally and across the United States. “How much does a Microbiologist make?” and “How many jobs are there for Microbiologists” are important questions for people trying to choose between different fields. Microbiologists are well paid professionals that play a vital role in our society.
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Microbiology Chapter 1: Part 1 of 2
Microbiology Chapter 1: Part 1 of 2
How to Study Microbiology For Step 1
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Microbiology Introduction | Picmonic
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Microbiology is the study of microorganisms: bacteria, fungi, viruses, and parasites.
Today, we discuss Actinomyces Israelii, Listeria monocytogenes, Corynebacterium diphtheria, as well as Nocardia.
What is Microbiology With Full Information? – [Hindi] – Quick Support
What is Microbiology With Full Information? – [Hindi] – Quick Support. आज Quick Support इस विडियो में आपके लिए माइक्रोबायोलॉजी से जुड़े सभी छोटी बड़ी बातें लेकर आया है, इस लिए इस विडियो को Last तक जरूर देखें।
MICROBIOLOGY: A MAJOR COURSE ABOUT MINOR THINGS | CAREER GURU M.S JALIL
MICROBIOLOGY: A MAJOR COURSE ABOUT MINOR THINGS | Microbiology - കുഞ്ഞന്മാരെപ്പറ്റി പഠിക്കുന്ന വമ്പൻ കോഴ്സ് | CAREER GURU JALIL M.S
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B.Sc Microbiology कोर्स के बारे में पूरी जानकारी हिंदी में - What is BSc Microbiology | Student Go |
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हैल्लो दोस्तों...आज के इस विडियो में हम बात करने वाले हैं B.Sc Microbiology Course के बारे में | इस कोर्स के बारे में आपको पूरी जानकारी इस विडियो में मिल जायेगी | जैसे कि इस कोर्स में एडमिशन लेने के लिये क्या-क्या योग्यता होनी चाहिए, एडमिशन की प्रक्रिया क्या है, फीस, रोजगार क्षेत्र, जॉब प्रोफाइल, सैलरी, टॉप 10 कॉलेज, इस कोर्स के बाद आगे कौन-कौन से कोर्स कर सकते हैं | इन सभी टॉपिक पर आपको पूरी जानकारी विडियो में मिलेगी | तो यदि आपको हमारी ये विडियो जरा भी हेल्पफुल लगी हो तो प्लीज़ लाइक,सब्सक्राइब, शेयर, और कमेंट जरुर करें |
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Bacteria – Microbiology | Lecturio
This video “Bacteria” is part of the Lecturio course “Microbiology” ► WATCH the complete course on
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- Human Microbiome
- Infections Basics
- Bacterial Toxins
- Morphology and Structure of Bacteria
- Cell Membrane
- Proliferation of Bacteria—Reproduction and Gene Transfer
- Pathogenicity and Virulence Factors
► THE PROF: Your lecturer is Prof. Dr. Vincent Racaniello. He is teaching microbiology and immunology at Columbia University in New York City. He is a leading expert in the research of viruses and human diseases. Therefore Racaniello has served on the editorial boards of scientific journals, such as the Journal of Virology or PLOS Pathogens. Furthermore he was the 2015 president of the American Society for Virology. Beyond that he is editor of an online virology blog and co-producer of the podcasts Netcast This Week in Virology, This Week in Parasitism and This Week in Microbiology.
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Gram Staining Procedure Animation Microbiology - Principle, Procedure, Interpretation
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Gram staining procedure animation - Principle, Procedure, Interpretation
Staining is an auxiliary technique used in microscopic techniques used to enhance the clarity of the microscopic image.Stains and dyes are widely used in the scientific field to highlight the structure of the biological specimens, cells, tissues etc.
The most widely used staining procedure in microbiology is the Gram stain, discovered by the Danish scientist and physician Hans Christian Joachim Gram in 1884. Gram staining is a differential staining technique that differentiates bacteria into two groups: gram-positives and gram-negatives. The procedure is based on the ability of microorganisms to retain color of the stains used during the gram stain reaction. Gram-negative bacteria are decolorized by the alcohol, losing the color of the primary stain, purple. Gram-positive bacteria are not decolorized by alcohol and will remain as purple. After decolorization step, a counterstain is used to impart a pink color to the decolorized gram-negative organisms.
Importance of a Gram Stain:
The Gram stain is a very important preliminary step in the initial characterization and classification of bacteria. It is also a key procedure in the identification of bacteria based on staining characteristics, enabling the bacteria to be examined using a light microscope. The bacteria present in an unstained smear are invisible when viewed using a light microscope. Once stained, the morphology and arrangement of the bacteria may be observed as well. Furthermore, it is also an important step in the screening of infectious agents in clinical specimens such as direct smears from a patient.
The Gram stain procedure enables bacteria to retain color of the stains, based on the differences in the chemical and physical properties of the cell wall.
1. Gram positive bacteria: Stain dark purple due to retaining the primary dye called Crystal Violet in the cell wall. Example: Staphylococcus aureus
2. Gram negative bacteria: Stain red or pink due to retaining the counter staining dye called Safranin.
Example: Escherichia coli
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Career in Microbiology | Part-1
Do you want to choose Microbiology as your career? Would you like to see and study the tiny microbes that you have never seen before. A degree in Microbiology will help you qualify for many technical, research, and clinical positions. Microbiology is the basis for Bio technology and many other specialisations.
Whether to choose or not to choose?
Let’s go in to the details.
Check out this video to find everything that you need to know to start your career as a Microbiologist.