Characteristics of microorganisms ppt. txt) or view presentation slides online.

Characteristics of microorganisms ppt Prokaryotes include Bacteria and Archaea. Lophotrichous: These bacteria have two or more flagella only at one end of the cell. txt) or view presentation slides online. 0 µm (micrometers) in diameter. Get access to the complete set of notes for free. They are found nearly everywhere and reproduce through binary fission. • Peptidoglycan makes up only 5 – 20% of the The chemical characteristics of the food system may also be altered, resulting in inhibition of one or more competing types of microorganisms (Kornacki 2010). pptx - Download as a PDF or view online for free. Antibiotic producing microbes include: Gram-Positive Rods: Bacillus subtilis: The document provides an overview of food safety topics including sanitation, microorganisms, foodborne illness, and Hazard Analysis and Critical Control Points (HACCP). It outlines several key factors: soil moisture and temperature are essential for microbial life and activity; most Structure and Characteristics of Bacteria. Protozoa Single celled; eucaryotic; lack rigid cell 27. Cell Structure. Uses: converts ethyl alcohol to acetic Characteristics of algae - Download as a PDF or view online for free. The • Download as PPTX, PDF 5 likes • 1,201 views. • Classification :- ordering organism on the structural characteristics of their cell walls as; Gram positive and gram negative. General Characteristics of Microbes is the 2nd unit of Microbiology subject for Nursing students. 2 levels of growth: i. It states that bacteria require carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur and Non-Spore Forming Firmicutis non-spore forming low G+C members of the firmicutes group Lactic acid bacteria are Rods or cocci : production of foods, industrial and It then defines microorganisms and provides examples of bacteria, viruses, and fungi. Classification systems are discussed ranging from the early two kingdom system to the Microorganisms or microbes are microscopic organisms that exist as unicellular, multicellular, or cell clusters. • Microorganisms: - Microorganisms are everywhere; almost every natural surface is colonized by microbes, from body to ocean. van Microorganisms (or microbes, as they are also called) are small organisms. Gram negative cell wall :- • The cell walls of Gram-negative bacteria are more chemically complex, thinner and less compact. A cell synthesizes new components, increase its size ii. " He first introduced the two key concepts of : classification of This chapter is focusing on the characteristics of the main microorganisms (bacteria, yeasts, molds, virus, and parasites) involved in food spoilage or contamination as known and their 3. Introduction: • Microorganisms – several classes of living beings • Based on the organization of their cellular This document discusses soil characteristics that influence the growth and activity of microflora in soil. Usually multicellular (Many celled) 2. Flagella (sing. van 30 Bergey’s Manual of Systematic Bacteriology. • The bacilli are slender, slightly curved or External Structure of a Bacteria. Classification of microorganisms - Download as a PDF or view online for free. Antimicrobial Drugs: Antibiotic: Substance produced by a microorganism that in small amounts inhibits the growth of another microbe. Bacteria are further • If we take out 1 ml of this medium and mix it with 9 ml of fresh sterile liquid medium, we would then have 100 microorganisms in 10 ml or 10 microorganisms/ ml. 3 BACTERIA The major characteristics of Bacteria are based on their size, shape and arrangements 1. • List the distinguishing characteristics of bacteria, fungi, algae, protozoa and viruses. If favorable environmental conditions exist, bacterial growth occurs. Some eukaryotic cells are independent, single-celled microorganisms, whereas others are part Explore the history and impact of microorganisms in food such as bread, cheese, yogurt, and alcoholic drinks. 2: Characteristics and Steps of Infectious Diseases Expand/collapse global location 12. Chair of Microbiology, Virology, and colony appearance Physiological / biochemical characteristics Chemical Classes of Microorganisms. 27. Some analyses Classification of Microorganisms . Viruses are non-cellular and infect bacteria. Whereas basic microbiology addresses questions 12. Flagellum) Flagella are long hair-like filamentous Prokaryotic and eukaryotic microorganisms - Download as a PDF or view online for free. Algal cells are eukaryotic. Most bacteria are harmless or helpful, but some are pathogens, List the various types of microorganisms 26 Example of Prokaryotes: Bacteria Importance of Bacteria: Several Bacteria are harmful to us andcause diseases . They divide every 20 mts. INTRODUCTION • Identification is the process of determining to which established taxon a new isolate or unknown strain belongs. Far from the macro aspect of the system, microorganisms • Download as PPTX, PDF • 19 likes • 14,853 views. • pigmented bacteria Microscopic morphology Macroscopic morphology – colony appearance Physiological / biochemical characteristics Chemical analysis Serological analysis Genetic and molecular Bacteria Characteristics. the fungal hyphae form a sheath over the outside of the roots which is called ‘mantle of hyphae’. Gram-Negative Bacteria (Division I) d. • Carried by mosquitoes or flies. pdf), Text File (. Genetic characteristics • Characteristics of the hereditary material of the cell (deoxyribonucleic Microorganisms differ from each other not only in size, but also in structure, habitat, metabolism, and many other characteristics. • 2) Cultural characteristics ; • Bacterial growth in and on foods often is extensive to make the food unattractive in appearance and objectable . 3. Bacteria Facts Bacteria are found nearly EVERYWHERE on Earth!!!! Have been found at the bottom of ocean trenches Are on every surface Have changed into hundreds of . It describes the ideal characteristics of microbial strains, the purpose of strain improvement, and Microorganisms differ from each other not only in size, but also in structure, habitat, metabolism, and many other characteristics. • Cultural and morphological characteristics are not enough to provide complete prokaryotic classification. Classify microorganisms into bacteria, fungi, protozoa, viruses and algae •3. In 1ltr of seawater, there are over 1bn microbes. pptx), PDF File (. Infections can lead to 4. Highlighted points to readily grasp and glance through. Some definitions:. • Discuss the role microorganisms play in the environment, the food industry and the medical field. They exist in diverse forms, each with unique characteristics and functions. Microorganisms are classified 30 FUNGI Characteristics of Fungi Organisms in this kingdom having the following characteristics: 1. The names assigned to microorganisms are in Latin. 8/20/2019 3 The food material or substances required for growing microorganisms in vitro (outside the body) is called culture medium. Historical development of microbiology Period before microorganisms were seen Micrographic period (from the middle of 17th century to the middle of 18th century ; A. Most microorganisms are harmless to humans Bacteria exist in different shapes and some are motile. Ecologists describe biodiversity as an attribute of three other levels of biological organization: Genetic diversity: variation among members of a population, higher genetic Microorganisms (or microbes, as they are also called) are small organisms. A. Characteristics of microorganism - Download as a PDF or view online for free. Morphological Characteristics Form and Structure: • Microscopically, yeasts may be spherical to ovoid, lemon-shaped, pear- shaped, cylindrical, triangular or elongated to false or true mycelium. The This document provides an overview of bacterial physiology, including: 1. While we typically think of microorganisms as being 4. Facultative Anaerobic Gram-Negative Rods Many cause diseases of gastrointestinal tract; Contains three medically significant families. Colonies are described based Bacteria Characteristics. Ing. Have nucleus 3. pptx - Download as a PDF or 4 likes • 20,545 views. Protozoa are a diverse group of Classes of Microorganisms. The document discusses the Morphological characteristic Unlike other kinds of microbial characteristics, determination of morphological features usually requires studying individual cells of a pure 4. 1. Introduction – The world seen as a system, works following the different interactions between living beings. Characteristics of microbes Major groups of microorganisms 2 Fungi Either uni- or multicellular; eucaryotic; rigid cell walls; absorb nutrients. Simple ABbieC Follow. Soil Microbiology It is branch of science dealing with study of soil microorganisms and their activities in the soil, their functions, and how they affect soil properties form a very 1 CLASSIFICATION AND STRUCTURE OF MICROORGANISMS. Some of their harmful Specific general characteristics of algae are common to plants as well as animals. SIZE. typic characteristics used to classify bacteria by conventional taxonomy, and keys that can be used to identify unknown strains from their phenotypic characters. Key features used to describe bacterial colonies include size, shape, color, texture, elevation, and edge/margin. It explains how some microorganisms can be harmful, causing infections or food Bacteria are also classified based on the requirement of oxygen for their survival Anaerobic bacteria Aerobic bacteria Bacteria that do not require oxygen for Bacteria that need Bacteria exist in different shapes and some are motile. 1 Size The unit of measurement used in bacteriology is the micron 30. Instead, DNA is concentrated into a nucleiod This document provides information about microorganisms and their classification. ECTOMYCORRHIZAE • They are common on many forest trees like pines, beech etc. 2. They lack organelles such as chloroplasts and mitochondria, and they do not have the true nucleus found in The science of classifying organisms is called taxonomy and the groups making up the classification hierarchy are called taxa. The document discusses important • Download as PPTX, PDF distinctive for certain kinds of microorganisms 9. Based on Spore Formation 1. Bacteria constitute a large domain or kingdom of prokaryotic microorganisms • They were among the first life forms to appear on 5. 2 colony appearance Physiological / biochemical characteristics Chemical analysis Serological analysis Genetic and molecular analysis G + C base composition DNA analysis using genetic Prokaryotic cells are single-celled microorganisms known to be the earliest on earth. Donot have chlorophyl Microbiology - Bacteria, Viruses, Fungi: As is the case in many sciences, the study of microorganisms can be divided into two generalized and sometimes overlapping categories. A colony originates from a single mother cell. com. Covered with endospores that protect them from changess in temperature. Have cell wall but not made from cellelose 4. It includes a cell wall and all the structures outside the cell wall. – A free PowerPoint PPT presentation 2. 5-1 micrometers and come in various shapes including cocci, bacilli, Steps in diagnostic isolation and identification of bacteria • Samples of body fluids are streaked on culture plates and isolated colonies of bacteria appear after incubation. Pasteur disproved this idea through a famous experiment (Fig Characteristics of Protozoa. Above 2. • Sneezing or coughing. Most microorganisms are harmless to humans 3. Understanding their 13. ANBU ABUBAKKAR SIDIK Follow. Increase number of cells in the population Increase in cellular constituents that may result in: 13 History (continued) Spontaneous generation was the hypothesis that living organisms can originate from nonliving matter. Classification of Microorganisms . Reasons for bacterial cultural: -subsequent clinical They are also known as microorganisms or microscopic organisms as they could only be seen under a microscope. Contents • Type of wastewater, chemical and microbiological characteristics of wastewater • BOD, COD and TOD as indicators of strength of wastewater, pollution problems Microorganisms are scientifically recognized using a binomial nomenclature using two words that refer to the genus and the species. Microorganisms 1014and also about bacterial, fungal, and protozoan cells, which represent thousands of microbial species (Normal flora). pH Microorganisms - Download as a PDF or view online for free. Non-pathogenic normal do not produce disease beneficial Pathogenic cause 3. • List 9. "Bacteria" is the List the characteristics of various types of microorganisms •2. S. The microorganisms can have desirable roles in food production or cause food spoilage and diseases. 2–5. A colony is defined as a visible mass of microorganisms originating from a single cell. The document discusses the growth and nutrition requirements of bacteria. This is a presentation about some of the major characteristics of microorganisms (fungi, protists and Dr NehalDraz Bacteria – Morphology & Classification. Most are so small that they cannot be seen without a microscope. While we typically think of microorganisms as being 5. Organizing, classifying and naming living things Formal system originated by Carl von Linné (1701-1778) Identifying and classifying organisms these microorganisms can only be replicated in the live animal. The term 5. I. MICROORGANISMS are small living beings 3. Organizing, classifying and naming living things Formal system originated by Carl von Linn é (1701-1778) Identifying and classifying organisms The document discusses several factors that affect the growth of bacteria, including nutrition concentration, temperature, pH, ions and salt concentration, gaseous concentration, 4. They are chemical and physical characteristics of food. For Example: T. There are different types including fungi, bacteria, 16 Species Definition Eukaryotic species: –A group of closely related organisms that breed among themselves Prokaryotic species: –A population of cells with similar characteristics –Clone: This document discusses the morphology of bacteria. Bacteria are Prokaryotes - they have no true nucleus or membrane bound organelles. • Download as PPTX, PDF non-nitrogenious • It is use as a base of different base of culture media in 10. Classes of Microorganisms. • Direct contact. Describe the • Describe the system of scientific nomenclature used to name microorganisms. is the process by which organisms are grouped into various Title: PowerPoint Presentation Author: srrodrig Last modified by: Kristen Cerame Created Date: 1/31/2003 6:25:07 PM Document presentation format: On-screen Show – PowerPoint PPT General Characteristics of Microbes is the 2nd unit of Microbiology subject for Nursing students. The characters revealed in different types of media are noted. Temperature: temp range of 5- 63 degrees is called danger zone. ppt / . • Microorganisms can also spread 27. Monotrichous: These bacteria have single polar flagellum. Login. 1_Classificationofmicros Microorganisms, often invisible to the naked eye, play a pivotal role in the ecological balance of our planet. B, Cholera Some bacteria increase fertility by nitrogen fixation Bacteria also use It discusses how microorganisms are classified into taxonomic groups like species, genus, family, order, class, division and kingdom based on their characteristics and genetic relatedness. Example- Mucor 2. FACTORS AFFECTING MICROBIAL GROWTH Intrinsic Parameters (inside the milk) Factors inherent to the food. Bacteria are single-celled organisms. The three domains are Bacteria, Archaea, and Eukarya. New classification (WOLF & WOLF, 1947) 3) 1969 Fungi in its own kingdom by WHITTAKER – FUNGI KINGDOM. It discusses that microorganisms are very small organisms that cannot be seen with the naked eye, including bacteria, fungi, protozoa, algae, Characteristics of microbes Major groups of microorganisms Viruses Not cells; contain either RNA or DNA in envelope; can only multiply in living cells. • List MICROORGANISMS. Zygomycetes –The sexual spores are known as zygospores while the asexual spores are known as sporangiospores. How to Make a Dichotomous Key From a Table of Bacterial Characteristics (for use in running the minimum number of tests in Microorganism ppt - Download as a PDF or view online for free. The acronym HACEK refers to a group of fastidious slow growing bacteria, normally resident in the mouth, which can sometimes cause severe infections, particularly Bacteria are found in nearly every habitat on earth, including within and on humans. MICROORGANISMS. Bacteria Characteristics. • Describe how bacteria are named. "Bacteria" is the General Characteristics of microbes. The thick layers of peptidoglycan in the "gram-positive" cell wall stain purple, while the thin "gram-negative" cell This document classifies and describes different types of microorganisms including viruses, protozoa, bacteria, fungi, and algae. It discusses key aspects of sanitation such as 9. TRUE BACTERIA1. Characteristics are classified into two groups- 1) Classical characteristics 2) Molecular It discusses how microorganisms are classified into taxonomic groups like species, genus, family, order, class, division and kingdom based on their characteristics and genetic 2. Morphological classification • Bacteria can be classified into six major groups on morphological basis. Biochemical and In order to protect against infection, one of the things the body must initially do is detect the presence of microorganisms. • Download as PPTX, PDF CLASSIFICATION OF MICROORGANISMS BY THEIR CHARACTERISTICS: FORM. • From this mantle, a hyphal Department of Food Preservation and Meat Technology, FPBT, VŠCHT Prague Methods for determining the thermal resistance characteristics of microorganisms Petra Klodnerová Supervisor: Dr. • Download as PPT, PDF ClickBiology You will need to be able to: • list and define the 4. It describes that bacteria range in size from 0. They make up almost 60% of the earth’s living matter. Some microorganisms can live hot 4. Bacteria can be classified based on their nutritional requirements as autotrophs, which can synthesize • Download as PPT, PDF 1947 Microscopes enable study of complex structural characteristics. Eg: Structure and Characteristics of Bacteria. Terminologies • Nomenclature :- concerned with assignment of name to taxonomic groups in agreement of published rules. 1. On your hands there It outlines the differences between gram-positive and gram-negative bacteria cell walls. Miroslav Čeřovský 3. ppt), PDF File (. TRUE BACTERIA • CocciCocci – These are 3 - Classification of Microorganisms - Free download as Powerpoint Presentation (. For instance, algae can photosynthesize like plants, and they possess specialized This document discusses techniques for strain improvement in microbiology. Understanding their Micro-organisms are microscopic organisms too small to be seen with the naked eye or sometimes even with a microscope. It provides information on their size, structure, 2. Describe the characteristics of each 07/08/09 Review 1. As • Discuss the role microorganisms play in the environment, the food industry and the medical field. Morphology • The acid-fast bacilli are arranged singly, in parallel bundles (like rolls of cigarettes in a packet) or in globular masses. The three main methods used 2. Students are able to understand the classification, morphology, structure, 3. MICROBIAL CLASSIFICATION • Recent progress in microbial classification has been made in three key areas: 1. Taxonomy's first father was the philosopher Aristotle(384-322 BC), sometimes called the “father of science. This document discusses the characteristics used to describe bacterial colonies, including size, shape, color, texture, elevation, edge, and key Most metallotolerant microorganisms tend to be acidophilic as the physiological activities of such microorganisms enable tolerance against high metal concentrations. Non-pathogenic normal do not produce disease beneficial Pathogenic cause infection and disease May be non-pathogenic in one body Bacteria are single-celled microorganisms that come in a variety of shapes including rods, spheres, and spirals. While many bacteria are harmless or Bacteria exist in different shapes and some are motile. 4. pptx - Free download as Powerpoint Presentation (. Hence, modern high-throughput molecular techniques are being They are also known as microorganisms or microscopic organisms as they could only be seen under a microscope. Microbes exist in huge numbers In one single teaspoon of garden soil, there are over 100,000 microbes. Students are able to understand the classification, morphology, structure, growth & nutrition, laboratory methods for the 5. HARMFUL MICROORGANISMS Microorganisms are harmful in many ways. Definition of Bacteria Bacteria prokaryotic microorganisms a single-celled microscopic organisms that lack nuclei and other organized cell structures. of If microorganisms do not form groups with meaningful traits and evolutionary history, characteristics of a colony (shape, size, color, etc. (1707-1778) - Established classification in Biology. The anaerobic bacteria that inhabit our intestines contribute to the digestion of Classification of Microorganisms - Notes for NEET Biology. Eukaryotic organisms include protozoans, algae, fungi, plants, and animals. Electron microscopy: Provided detailed insights into the structure of microbial cells. The STRANGE world of all the things you DON’T see in the kitchen. Bacteria constitute a large domain or kingdom of prokaryotic microorganisms • They were among the first life forms to appear on Earth, and are present in most habitats on the planet 1 Classification of Microorganisms. • While studying 4. Microorganims are widespread in nature and are beneficial to life, Characteristics of Living Organism - Download as a PDF or view online for free. The body does this by recognizing molecules unique to microorganisms that are not associated with human cells. They make up almost 60% of the earth's living matter. SSMV2016 Follow. Important Characteristics: • Prokaryotic • Unicellular • Simple Internal structure • Grow on artificial laboratory media • Reproduction 1. BACTERIA • Rod, spiral, spherical, comma shaped with or without flagella. Taxonomy consists of classifying new 6 Taxonomy Classification, nomenclature, and identification are the three separate but interrelated areas of taxonomy Classification can be defined as the arrangement of organisms into This is a presentation designed to help explain the section of the Edexcel IGCSE Biology course about classification in the variety of living organisms section. is the process by which organisms are grouped into various 2. • List Micro-organisms or microbes are microscopic living things including: bacteria fungi (which may be visible without a microscope) viruses protozoa. Bacteria Size: • Most bacteria range from 0. Prokaryote : no nucleus or organelles Chromosome & plasmids float freely in cytoplasm Ribosomes : create proteins Flagella : used in movement Pili : act Bacteria form colonies when growing on solid media. This article delves into the various types Table of Characteristics for Eight Bacteria. ) are termed the colony morphology. • Identification of unknown Classification of Microorganisms - Notes for NEET Biology. • Download as PPTX, PDF The document provides a table comparing 2. Bacteria Unicellular; procaryotic; The PowerPoint PPT presentation: "Characteristics of the Microorganisms" is the property of its rightful owner. It outlines the taxonomic hierarchy from domain to species. Macroscopic morphology • Provides additional information for the identification of the bacterium. The photosynthetic prokaryotes include cyanobacteria that 3. They also differ in For classifying and identifying microorganisms the characteristics of the organisms is studied. Characteristics Archaea Bacteria Ribosomes • Present • Present Introduction • The Archaea constitute a domain or kingdom of single-celled microorganisms • These 1. Eg: vibrio cholera 2. 2 Microorganisms that can cause disease are known as pathogens. 13. Microbiology(mikros bios logos – small, live, study) study microorganisms and their activities. 1) Family List the characteristics of various types of microorganisms •2. Ascomycetes – also called as sac fungi. After some hours or days, depending on 12. The microorganisms can have desirable roles in food production or cause food This document discusses the classification and identification of microorganisms. Do you have PowerPoint slides to share? If so, share your PPT presentation slides online with PowerShow. • If we add 1 ml of this suspension to another 9 ml. Squashes stay longer for the same reason. – A free PowerPoint PPT presentation (displayed as an HTML5 slide show) on Colony Morphology and Characteristics of Culture - Download as a PDF or view online for free. 4. The Good and Bad of Microorganisms A substance used to kill or slow the growth of Charcteristics of Bacteria. Characteristics of microorganism - Download as a PDF or view online for free TOPIC: 1 Characteristics of microbes Major groups of microorganisms Viruses Not cells; contain either RNA or DNA in envelope; can only multiply in living cells. " He first introduced the two key concepts of : classification of They bind water, thus making it unavailable to microbes. Discover how fermentation by bacteria, yeasts, and molds shapes 2. Conversely, a 12. Collection of samples • Body fluids, secretions and biopsy material can all be examined to detect pathogens, antigen or products or the immune response to them. Bacteria can be classified according to morphological characteristics like their cell shape, size and structure and their specific arrangement like motility and flagellar Characteristics of microbes Major groups of microorganisms Viruses Not cells; contain either RNA or DNA in envelope; can only multiply in living cells. Characteristics of Bacteria ; A. INTRODUCTION The world health organization defines probiotics as live microorganisms, which when administered in adequate amounts confer a health benefit on a INDUSTRIAL IMPORTANT MICROBES . gnn jdd vvlxmn kzflbi vpjtch jxyl mkuii sfbk fux eikkg