Bacteria

Some Typical Arrangements of Bacteria: List, Keynotes, and, Few Related Images

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Some Typical Shape, Size and Arrangements of Bacteria

List of Some Typical Arrangements of Bacteria In this chapter, we discuss some typical arrangements of bacteria like Staphylococcus, Streptococcus, pneumococcus, Enterococcus, Micrococcus, Neisseria species, Bacillus anthracis, Diphtheroids, Corynebacterium diphtheriae, Listeria monocytogenes, Vibrio cholerae, Campylobacter, Helicobacter, Treponema, Leptospira, Borrelia, etc. S.No. Arrangements  Organisms 1. Gram-positive cocci …

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Diphtheria bacillus and Diphtheroids: Introduction, Differences, and Keynotes

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Differences between Diphtheria bacillus and Diphtheroids

Introduction of Diphtheria bacillus and Diphtheroids Diphtheria bacillus is also known as Klebs-Löffler bacillus and it is a Gram-positive nonmotile, club-shaped bacillus of Corynebacterium diphtheriae. C. diphtheriae is a causative agent of Diphtheria (a serious infection of the mucous membranes of the nose and throat). …

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Gram-Positive and Gram-Negative Bacteria: Introduction, Differences, and Related Footage

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Differences between Gram Positive and Gram Negative Bacteria: Introduction, and Related Footages

Introduction of Gram-Positive and Gram-Negative Bacteria ‘Gram-Positive Bacilli (GPB)‘ is also called Gram-Positive Rods (GPR) bacteria which retain crystal violet dye and stain blue or purple on Gram’s staining. The most common medically important bacteria of GPR are Mycobacterium tuberculosis, Mycobacterium leprae, Listeria monocytogenes, Nocardia asteroides, Actinomyces israelii, Bacillus anthracis, Bacillus cereus, Bifidobacterium species, Corynebacterium …

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Enterococcus faecalis: Introduction, Keynotes, and Related Footage

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Enterococcus faecalis in CLED medium, blood agar, Gram staining, MacConkey medium without bile salt and cystal violet and bile esculin test

Introduction Enterococcus faecalis (previously identified as Streptococcus faecalis) is a Gram-positive coccus in singles, pairs, and even short chains which is a commensal member of the gut microbiota of a wide range of microbes. With the advent of antibiotic therapy, it has emerged as a …

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Agar Art with Living Microbes: Introduction, Requirements, Making Procedure, Application, and Keynotes

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Agar Art with Living Microbes: Introduction, Requirements, Making Procedure, Application, and Keynotes

Introduction of Agar Art with Living Microbes Agar art or microbial art or agar art with living microbes and germ art are the synonyms in which artwork is created by culturing microbes in certain patterns. The microorganisms used can be bacteria, yeast fungi, or protists …

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Giemsa stain: Introduction, Principle, Reagent Preparation, Staining Procedure, Result Interpretation, Uses, and Keynotes

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Leishmania donovani (LD bodies) amastigotes in Giemsa stained smear of bone marrow of a Visceral leishmaniasis (VL) or kala-azar patient

Introduction of Giemsa Stain Giemsa stain is a type Romanowsky stain that stains nuclei and cells. It was initially designed for the detection of malarial parasites in blood smears, but it is also used in histology for routine examination of blood smears. This technique uses for …

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Bacteria and Virus: Introduction, Differences, and Keynotes

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Staphylococcus aureus growth on blood agar of clinical sample, pus

Introduction of Bacteria and Virus Bacteria are member of a large group of living unicellular microbes having size of cocci 0.5-1.0 µm while bacilli 1-10 µm×3-10µm which have cell walls but lacking an organized nucleus, including some that can cause disease like pneumonia, tuberculosis, food …

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RNA Viruses: Introduction, Family, Common Names, Virion, Capsid Symmetry, Nucleic Acid Type, Grouping, and Keynotes

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Nucleic acid extraction of Virus

Introduction The virus has either DNA or RNA nucleic acid and RNA viruses have RNA nucleic acids. During the replication of these viruses, there are at least three types of RNA that must be synthesized. They are- the genome, a copy of the genome (copy …

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