Microbiology Notes- Bacteriology, Virology, Parasitology, Mycology and Laboratory Notes

Bacteriology
Cultural Characteristics of Helicobacter pylori 4.51/5 (47)

By Pratiksha Pokhrel on October 5, 2015

Please rate this Please Rate 0 1 2 3 4 5 Cultural Characteristics of Helicobacter pylori They are micro-aerophilic, require 5-10% CO2 and high humidity. They are fastidious organism. They grow best at 37°C but not at 43°C and below 30°C. Growth is best on blood agar and chocolate agar after incubation for 2-5 days. Colonies are circular, convex and… Continue reading "Cultural Characteristics of Helicobacter pylori <span class="rating-result after_title mr-filter rating-result-231" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.51/5</span> <span class="count"> (47) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
Bacitracin Test- Principle, Procedure, Result with Limitation 4.61/5 (31)

By Pratiksha Pokhrel on September 30, 2015

Please rate this Please Rate 0 1 2 3 4 5 Bacitracin Test- Principle, Procedure, Result with Limitation Bacitracin is produced by Bacillus licheniformis and it interrupt the formation of peptidoglycan, a major component of bacterial cell wall. If bacitracin is present it blocks bactoprenol from transporting NAM and NAG sugars across the cell membrane thereby inhibiting further synthesis of… Continue reading "Bacitracin Test- Principle, Procedure, Result with Limitation <span class="rating-result after_title mr-filter rating-result-228" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.61/5</span> <span class="count"> (31) </span> </span>"
Bacteriology, Biochemical Test, Laboratory
Reverse CAMP test for the identification of Clostridium perfringens 4.64/5 (107)

By Pratiksha Pokhrel on September 24, 2015

Please rate this Please Rate 0 1 2 3 4 5 Reverse CAMP test for the identification of Clostridium perfringens Hansen used the synergistic relationship between the two microbes to develop a test, known as the reverse CAMP test, using Streptococcus agalactiae for the identification of Clostridium perfringens. Alpha toxin producing C. perfringens and group B, β-haemolytic streptococci grow in… Continue reading "Reverse CAMP test for the identification of Clostridium perfringens <span class="rating-result after_title mr-filter rating-result-218" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.64/5</span> <span class="count"> (107) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
CAMP Test- Principle, Purpose, Procedure, Result and Limitation 4.68/5 (186)

By Pratiksha Pokhrel on September 22, 2015

Please rate this Please Rate 0 1 2 3 4 5 CAMP Test- Principle, Purpose, Procedure, Result and Limitation CAMP test was first identified by Christie, Atkins, and Munch-Peterson in 1944 and CAMP test is an acronym of three researchers. CAMP (Christie, Atkins, and Munch-Peterson) test is used for the presumptive identification of Group B Streptococci (Streptococcus agalactiae). It is… Continue reading "CAMP Test- Principle, Purpose, Procedure, Result and Limitation <span class="rating-result after_title mr-filter rating-result-209" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.68/5</span> <span class="count"> (186) </span> </span>"
Biology
Nervous System of Earthworm 3.93/5 (289)

By Pratiksha Pokhrel on September 13, 2015

Please rate this Please Rate 0 1 2 3 4 5 Nervous System of Earthworm Ganglion of ganglia It is the fused form of nerves. It is found in all segment. The nervous system of earthworm is well developed. It consists of 3 parts: Central nervous System Peripheral nervous system Sympathetic nervous system Central nervous system This part of nervous… Continue reading "Nervous System of Earthworm <span class="rating-result after_title mr-filter rating-result-176" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 3.93/5</span> <span class="count"> (289) </span> </span>"
Biology
Excretory system of Earthworm 4.18/5 (609)

By Pratiksha Pokhrel on September 12, 2015

Please rate this Please Rate 0 1 2 3 4 5 Excretory system of Earthworm The process of removal of metabolic waste products including nitrogenous material like ammonia, urea, uric acid, amino acid, etc. from the body is called excretion. Excretory system consists of nephridia as excretory organ which is analogous to kidney of vertebrates. Nephridia are porous, long, thin… Continue reading "Excretory system of Earthworm <span class="rating-result after_title mr-filter rating-result-149" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 4.18/5</span> <span class="count"> (609) </span> </span>"
Biology
Feeding Mechanism in Paramecium 4.03/5 (116)

By Pratiksha Pokhrel on September 10, 2015

Please rate this Please Rate 0 1 2 3 4 5 Feeding Mechanism in Paramecium Paramecium feeds holozoically with the help of cilium. Food includes bacteria, unicellular plants (algae, diatoms, yeasts, etc.) and small bits of animal and vegetables. Paramecium swims to place where it can get its food. It does not move while feeding. Food is ingested by cytosome… Continue reading "Feeding Mechanism in Paramecium <span class="rating-result after_title mr-filter rating-result-286" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 4.03/5</span> <span class="count"> (116) </span> </span>"
Biology
Differences between Binary Fission and Conjugation 3.58/5 (26)

By Pratiksha Pokhrel on September 9, 2015

Please rate this Please Rate 0 1 2 3 4 5 Differences between Binary Fission and Conjugation S.N. Binary fission Conjugation 1 It occurs during favorable condition. During unfavorable condition. 2 It takes place in healthy Paramecium. Takes place in weak Paramecium. 3 Occurs with only one parent. Occurs between two parents 4 It is asexual type of reproduction. It… Continue reading "Differences between Binary Fission and Conjugation <span class="rating-result after_title mr-filter rating-result-276" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 3.58/5</span> <span class="count"> (26) </span> </span>"
Biology
External and Internal Features of Paramecium caudatum 4.38/5 (240)

By Pratiksha Pokhrel on September 7, 2015

Please rate this Please Rate 0 1 2 3 4 5 External and Internal Features of Paramecium caudatum External features of Paramecium 1. Shape: Paramecium is lengthy and resembles like the sole of slipper or shoe. Hence commonly called slippper animalcule. Its body has rounded anterior end and conical or slightly pointed end. 2. Size: Varies in size from 0.15-0.3… Continue reading "External and Internal Features of Paramecium caudatum <span class="rating-result after_title mr-filter rating-result-269" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.38/5</span> <span class="count"> (240) </span> </span>"
Biology
General Description of Paramecium 3.44/5 (257)

By Pratiksha Pokhrel on September 5, 2015

Please rate this Please Rate 0 1 2 3 4 5 General Description of Paramecium Paramecium is a unicellular, microscopic, free-living organisms. It is the most common ciliates, characterized by the presence of cilia, nuclear dimorphism and unique type of sexual reproduction (conjugation). History Paramecium was named by John Hill in 1752. Antony van Leeuwenhoek described about paramecium. Different species of… Continue reading "General Description of Paramecium <span class="rating-result after_title mr-filter rating-result-261" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 3.44/5</span> <span class="count"> (257) </span> </span>"