PPT – Classification of Microorganisms PowerPoint presentation | free to view - id: 19cc94-N2Y1O. Yes, you need to login with your account before uploading presentation. Learning Objectives. Gram positive bacteria and Gram negative bacteria differ in … •bilayer structure unique among biologic membranes. – has similar roll as peptidoglycan does in Gram + bacteria. Classification of virus on the basis of genetic material present, presence of a number of strands, presence of envelope, capsid structure, shapes of the viruses, types of host, mode of transmission, replication properties, site of replication and Baltimore Classification. Such organisms are called extremophiles. These bacteria carryout only oxidative type of metabolism. our users who have confirmed their slidesfinder login email. i) Facultative thermophiles: grow over a wide range of temperatures covered by mesophiles and obligate thermophiles and below. Bergey’s Manual of Determinative Bacteriology. No*, you can login with your account without confirmation. If you have facebook/gmail account them just bacteria. For rod-shaped or filamentous bacterial cell, length is 1-10 µm and diameter is 0.25-1 .0 µm. tool that allows you to share your presentations with marketers, presenters, In the scientific classification established by Carl Linnaeus, each species has to be assigned to a genus (binary nomenclature), which in turn is a lower level of a hierarchy of ranks (family, suborder, order, subclass, class, division/phyla, kingdom and domain). > Is it safe to access SlidesFinder using Facebook sign-in credentials? click on SIGN IN WITH FACEBOOK OR SIGN IN WITH GOOGLE button, by this you will be a registered member of slidesfinder Fill all required fields and you will be a registered member of slidesfinder. So, start sharing knowledge and we are here to make that immortal !! Users need not worry about security when accessing SlidesFinder Description : Available Structure of Bacteria powerpoint presentation for free download which is uploaded by search an active user in belonging ppt presentation Health & Wellness category. 3. Classifies bacteria by cell wall composition, morphology, biochemical tests, differential staining, etc. for easy sharing of PowerPoint presentations, ensuring that these presentations get maximum exposure. is a great resource that gives you access to numerous presentations on varied subjects. Without prior written permission from author, commercial use of any content is illegal. Bacteria: Classification and Identification. If you do not a Facebook account, then click on "Signup". There are two major species that include: 1. heath & Wellness,eduction & training etc. Classification of Bacteria by shape or cell structure. you to upload your PowerPoint presentations online for free. Bacterial taxonomy is the taxonomy, i.e. 32 Pili Short protein appendages Smaller than flagella Adhere bacteria to surfaces Used in conjugation for Exchange of genetic information Aid Flotation by increasing buoyancy, 35 Shapes Are Used to Classify Bacillus: Rod shaped Coccus: Spherical (round) Vibrio: Comma shaped with flagella Spirillum: Spiral shape Spirochete: wormlike spiral shape, 37 Grouping of Bacteria Diplo- Groups of two Strepto- chains Staphylo- Grapelike clusters, 50 Archaebacteria Lack peptidoglycan in cell walls Have different lipids in their cell membrane Different types of ribosomes Very different gene sequences, 51 Archaebacteria Archaebacteria can live in extremely harsh environments They do not require oxygen and can live in extremely salty environments as well as extremely hot environments Called the Ancient bacteria, 52 Archaebacteria Subdivided into 3 groups: Methanogens Thermoacidophiles Extreme Halophiles, 53 Methanogens Live in anaerobic environments (no oxygen) Get energy by changing H2 & CO2 into methane gas Found in swamps, sewage treatment plants, digestive tracts of animals, 54 Methanogens Break down cellulose in a cow’s stomach Produce marsh (methane) gas, 55 Extreme Halophiles Live in very salty water Use salt to generate ATP (energy) Dead Sea, Great Salt Lake inhabitants, 56 Thermoacidophiles or Thermophiles Live in extremely hot environments Found in volcanic vents, hot springs, cracks on ocean floor that leak acid, 58 Characteristics 3 basic shapes (coccus, bacillus, spirilla) Most are heterotrophic (can’t make their own food) May be aerobic or anaerobic Identified by Gram staining, 59 Gram Staining Developed in 1884 by Hans Gram Bacteria treated with purple Crystal Violet & red Safranin stains Cell walls either stain purple or reddish pink, 60 Gram Positive Have thick layer of peptidoglycan (protein-sugar complex) Single lipid layer Stain purple Can be treated with antibiotics, 61 Gram Positive Bacteria Lactobacilli (makes yogurt & buttermilk) Actinomycetes (make antibiotics) Clostridium (lockjaw bacteria) Streptococcus (strep throat) Staphylococcus (staph infections), 62 Gram Negative Bacteria Thin layer of peptidoglycan in cell wall Extra thick layer of lipids Stain pink or reddish Hard to treat with antibiotics Some photosynthetic but make sulfur not oxygen Some fix nitrogen for plants, 63 Gram Negative Rhizobacteria grow in root nodules of legumes (soybeans, peanuts) Fix N2 from air into usable ammonia, 64 Gram Negative Rickettsiae are parasitic bacteria carried by ticks Cause Lyme disease & Rocky Mountain Spotted Fever, 65 Cyanobacteria Gram negative Photosynthetic Called blue-green bacteria Contain phycocyanin (red-blue) pigments & chlorophyll, 66 Cyanobacteria May be red, yellow, brown, black, or blue-green May grow in chains (Oscillatoria) Have Heterocysts to help fix N2 First to re-enter devastated areas Some cause Eutrophication (use up O2 when die & decompose in water), 68 Spirochetes Gram positive Flagella at each end Move in corkscrew motion Some aerobic; others anaerobic May be free living, parasitic, or symbiotic, 69 Enteric Bacteria Gram negative Can live in aerobic & anaerobic habitats Includes E. coli in intestines Salmonella – causes food poisoning, 70 Chemoautotrophs Gram negative Obtain energy from minerals like iron Found in freshwater ponds, 71 Nutrition, Respiration, and Reproduction, 72 Modes of Nutrition Saprobes – feed on dead organic matter Parasites – feed on a host cell Photoautotroph – use sunlight to make food Chemoautotroph – oxidize inorganic matter such as iron or sulfur to make food, 73 Methods of Respiration Obligate Aerobes – require O2 (tuberculosis bacteria) Obligate Anaerobes – die if O2 is present (tetanus) Facultative Anaerobes – don’t need O2, but aren’t killed by it (E. coli), 74 Bacterial Respiration Anaerobes carry on fermentation Aerobes carry on cellular respiration, 75 Reproduction Bacteria reproduce asexually by binary fission Single chromosome replicates & then cell divides Rapid All new cells identical (clones), 76 Cellular organism copies it’s genetic information then splits into two identical daughter cells, 78 Reproduction Bacteria reproduce sexually by Conjugation Form a tube between 2 bacteria to exchange genetic material Held together by pili New cells NOT identical, 80 Spore Formation Form endospore whenever when habitat conditions become harsh (little food) Able to survive for long periods of time as endosperm Difficult to destroy (heat resistant), 81 Transduction & Transformation Genetically change bacteria May become antibiotic resistant Transformed bacteria pick up pieces of DNA from dead bacterial cells Transduction – viruses carry foreign DNA to bacteria; used to make insulin, 83 Pathogens Called germs or microbes Cause disease May produce poisons or toxins Endotoxins released after bacteria die (E. coli) Exotoxins released by Gram + bacteria (C. tetani). 3 Cellular Evolution Current evidence indicates that eukaryotes evolved from prokaryotes between 1 and 1.5 billion years ago Two theories: 1. Endosymbiotic theory, 4 Infolding Theory The infolding of the prokaryotic plasma membrane gave rise to eukaryotic organelles. We provide unique informative PowerPoint presentation for marketers, presenters Other shapes will be considered later in the course. Pathogenesis ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 1c81ec-ZDc1Z presentations on slidesfinder and save your valuable time . All rights reserved. Classification Of Bacteria 362987 PPT. without filling any form, required detail automatically will be fatch from your account. These professional PowerPoint presentations are uploaded by professionals from across numerous industry Regarding the naming of enzymes involved in the replication of viral nucleic acid, state what the "dependent" part of the name refers to and what the "polymerase" part of the name refers to. Home / Health & Wellness / Health & Wellness Presentations / Structure of Bacteria PowerPoint Presentation. h) Obligate thermophiles: grow between 38°C and 82°C. Bacteria are single-celled microorganisms with the absence of the nucleus and other c ell organelles; hence, they are classified as prokaryotic organisms. Find your interest in the form of powerpoint The cell envelope encloses the protoplasm, comprising the cytoplasm, cytoplasmic inclusions such as See our User Agreement and Privacy Policy. CLASSIFICATION OF BACTERIA & IT’S STRUCTURE BY DR. RUBAIYA BINTE KABIR MPHIL (PART I) DHAKA MEDICAL COLLEGE 2. This helps you give your presentation on Structure of Bacteria in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.. So, the bacterial species which take up the blue color during gram staining are called gram +ve and those which take up an orange are called gram -ve bacteria. •i.e., it maintains the bacterial structure and is a permeability barrier to large molecules. It is also known as a microbe. Bacteria have a cellular structure are prokaryotes and unicellular with three distinctive shapes – coccus (spherical), bacillus (rod shaped) and spirillus (spiral shaped). If the cell wall is rigid they are classified into free living bacteria i.e. Bacteria have three ways of obtaining energy; photosynthesis, chemosynthesis or Heterotropism. Size of Bacteria: They are much smaller than eukaryotic cell. Now customize the name of a clipboard to store your clips. Bergey’s Manual of Systematic Bacteriology. (2) Because there are so many gram-negative rods, they are divided into three categories: respiratory organisms, zoonotic organisms, and enteric and related organisms. It's save your time :). 31 Question: What is this type of bacteria ? 1.5 1.5 BACTERIAL STRUCTURE The outer layer or cell envelope consists of two components, a rigid cell wall and beneath it a cytoplasmic or plasma membrane. SlidesFinder store their respective email addresses for becoming registered member of Slidesfinder.com. The Great Buddha says, "Share your knowledge.It’s a way to achieve immortality"! – Asymmetric. > Do I need to signup/login on SlidesFinder before uploading a PowerPoint presentation? Groups of pupils develop a poster with good and bad aspects of their microbe to answer the question: hero or villain. Extracellular polysaccharides: capsules, microcapsules and loose slime 4. CLASSIFICATION OF BACTERIA Morphology and Classification of Bacteria MICROBIOLOGY MODULE Microbiology Notes Fig. Presentation Summary : Classification of Bacteria. Cohn divided the bacterial into four types based on their shapes in 1872. Infolding theory 2. they can grow on lab medium. Laboratory diagnosis gram positive and gram negative cocci, Introduction to bacteria, structure and function, Cell structure of bacteria and normal flora, No public clipboards found for this slide, CLASSIFICATION OF BACTERIA & IT’S STRUCTURE. This ppt presentation uploaded by onlinesearch in Health & Wellness ppt presentation category is available for free download,and can be used according to your industries like finance, marketing, education, health and many more. (Singular: bacterium) are a large group of unicellular microorganisms. Endospore: The presence, shape and position of the endospore within the bacterial cell are noted. Classification on the basis of Gram Stain and Bacterial Cell Wall Of all the different classification systems, the Gram stain has withstood the test of time. CLASSIFICATION OF BACTERIA & IT’S STRUCTURE 1. Your username will Examples; Mycobacterium, Bacillus; 2. using their Facebook login credentials. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Current classification is primarily based on morphology and biochemical characteristics of bacteria. You can change your ad preferences anytime. Antigenic variation B. Cytoplasmic components Cell shape: Bacteria may be shaped as cocci, bacilli or spirals. On Slidesfinder you get presentations from our huge While some of the infections can be easily treated, some of the strains have been shown to resist antibiotic treatment and are therefore deadly. 3. In the year 1872 scientist Cohn classified bacteria to 4 major types depending on their shapes are as follow: 1) Cocci: These types of bacteria are unicellular, spherical or elliptical shape. View Bacteria and Protista Lab Lecture.ppt from BIOLOGY 161 at Washtenaw Community College. For this reason, infections should not be underestimated. Types of Bacteria on the Basis of Shape: Cocci: It has a plant like cell-wall and autotrophic mode of nutrition. Bacteria are most times classified as prokaryotes, which are unicellular organisms that lacks membrane bound neucleus. Go to registration page (you can see signup link on top of website page) PowerPoint is the world's most popular presentation software which can let you create professional Structure of Bacteria powerpoint presentation easily and in no time. Cytoplasmic membrane 2. If you continue browsing the site, you agree to the use of cookies on this website. Fastidiousness: Certain bacteria have specific O2/CO2 requirements, need special media or grow only intracellularly. > Is slidesfinder account confirmation is mandatory? Initial criteria used is the structure of cell wall i.e. Now we shall go on details about the classification of bacteria. We have created this platform Looks like you’ve clipped this slide to already. & IT’S STRUCTURE https://www.slidesfinder.com/signup . You can favorite the presentations, download presentations, and even embed them in Bacteria can be classified into six major groups on morphological basis. Most bacteria often have the protective outer most area which is called the capsule. be displayed on your uploaded presentation. 1) Slime (extracellular polysaccharide): This is extracellular material, loosely associated with the bacteria, that is elaborated by some bacterial species that facilitates colonization of smooth, prosthetic surfaces such as intravascular catheters. Bacteria can be divided into two major groups called gram positive bacteria and Gram negative bacteria, based on Gram stain. State what criteria are used in viral classification. Inactive member won’t be able to Rod shaped bacteria are called bacilli (singular bacillus). –inner leaflet-phospholipids –outer leaflet-LPS which is amphipathic. Slidesfinder is a sharing website for PowerPoint presentations search and share. Not just finding your interest, but facilitate you broadcast your interest. Facultative anaerobes: Those bacteria that do not require O2 but can use it if available. Following present classification, there are a little less than 9,300 known species of prokaryotes, which includes bacteria and archaea. It’s a great marketing Obligate aerobes: Those bacteria that require oxygen and cannot grow in the absence of O2. 27 Flagella Bacteria that are motile have appendages called flagella Attached by Basal Body A bacteria can have one or many flagella, 29 Flagella Made of Flagellin Used for Classification Monotrichous: 1 flagella Lophotrichous: tuft at one end Amphitrichous: tuft at both ends Peritrichous: all around bacteria, 30 Monotrichous Lophotrichous Amphitrichous Peritrichous. MPHIL (PART I) They're these little tubes, really. –Only place where LPS is found. your blog. But, we allow presentation instant download option for ... divides based on cell wall structure, shape, arrangement, and physiological traits; 16 Species and Subspecies. Bacteria are microscopic unicellular organism they are true living organism that belongs to the kingdom prokaryotes. Bacterial Structure A. SlidesFinder is a very popular and powerful online presentation sharing website that allows Identification of Bacteria. Inner cell membrane and the outer cell wall are the two protective coverings that bacteria is surrounded with. Bacilli: rods , 0.5-1 m in ... however, in certain bacilli they are composed of ... Bacillus and Clostridium. Bacteria come from the Greek word manning rod. Initial criteria used is the. Bacteria share a number of common structures that are briefly described below. DR. RUBAIYA BINTE KABIR 9 Classification of Microorganisms Important in the Food Industry: Bacteria, Yeasts and Mold g) Mesophiles: require a temperature below 38°C for growth. Classifies bacteria via evolutionary or genetic relationships. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. PowerPoint is the world's most popular presentation software which can let you create professional Structure of Bacteria powerpoint presentation easily and in no time. S. bongori 2. So the piluses are these little structures on the side of the bacteria. avail of full functionality of Slidesfinder.com. and educationists. but attempts to estimate the true level of bacterial diversity have ranged from 10 7 to 10 9 total species – and even these diverse … We don’t have access to users’ Facebook password. Bacter ia • Bacterial Classification • Morphology (shape) – rodlike bacillius – spherical Re-productivity of content are not allowed. Clipping is a handy way to collect important slides you want to go back to later. DHAKA MEDICAL COLLEGE. One of the piluses can connect from one bacteria to another, and then essentially you have a mixing of what's inside one bacteria with another. segments.These ppt presentations are available for FREE download. library of professional ppt presentations. Classification of Bacteria. +1800 456 789. bacteria structure ppt. Discovered by H.C. Gram in 1884 it remains an important and useful technique to this day. Find your best ppt The helical structure of the rigid tobacco mosaic virus rod. The average diameter of spherical bacterial cell is 0.5-2.0 µm. Salmonella includes a group of gram-negative bacillus bacteria that causes food poisoning and the consequent infection of the intestinal tract. But two bacteria can get near each other and then one of their piluses-- I'll do that right here. platforms and BUILD YOUR CROWD WITH PRESENTATION !! Appendages 5. S. enterica E] Classification of bacteria on the basis of gaseous requirement 1. educationists and others anywhere around the world, and lightning fast. Either they may remain as a single cell or may aggregate together for various configurations. 1. Current classification is primarily based on morphology and biochemical characteristics of bacteria. We only 26 Useful Bacteria Other uses for bacteria include making yogurt, cheese, and buttermilk. BY We believe in making your search INFORMATIVE and FUN. They are extremely tiny thus they cannot be seen individually unless viewed through microscope. Introducing 3 types of microbe with fact sheets and a wanted poster. Create your slidesfinder account and upload PowerPoint presentations for free, share on social media The envelope: 1. Bacteria reproduce through binary fission. Extensions most times cover the surface of bacteria which help them move aro… The staining characteristics of bacteria in the Gram stain are very useful in classification. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The structure of bacteria is known for its simple body design. presentation from a pool of PowerPoint presentations stacked under important industry categories like business & management, Your registered email id is needed for Topics Classification of bacteria Baterial cell structure Difference between prokaryotes and eukaryotes,fungus,bacteria,virus Obligate intracellular organisms. This helps you give your presentation on Structure of Bacteria in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. About 5 percent of the length of the virion is depicted. Can not be seen individually unless viewed through microscope remain as a single cell or may aggregate together various. A number of common structures that are briefly described below S a way to achieve immortality '' the bacterial four... Large group of gram-negative Bacillus bacteria that causes food poisoning and the consequent infection of the.... 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Email id is needed for sending your stats of uploaded presentation in making your INFORMATIVE! Common structures that are briefly described below bacteria which help them move aro… bacteria ( singular-bacterium are... Aggregate together for various configurations knowledge and we are here to make that!! Have the protective outer most area which is called the capsule 3 Cellular Evolution current indicates! Microcapsules and loose slime 4 we believe in making your search INFORMATIVE and FUN to achieve immortality '' agree... Physiological traits ; 16 Species and Subspecies required fields and you will a! Link on top of website page ) https: //www.slidesfinder.com/signup presentations get maximum exposure two! And activity data to personalize ads and to provide you with relevant advertising and Protista Lab from... Your slidesfinder account and upload PowerPoint presentations on slidesfinder before uploading presentation t have access to users ’ password. 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These little structures on the basis of gaseous requirement 1 not worry about security when accessing slidesfinder Facebook! Users ’ Facebook password the presence, shape and position of the nucleus and other c ell organelles hence! Photosynthesis, chemosynthesis or Heterotropism e ] classification of bacteria is surrounded.!, we allow presentation instant download option for our users who have confirmed their slidesfinder login.! Answer the question: What is this type of bacteria & it ’ structure... Or villain be displayed on your uploaded presentation find your interest you need to signup/login slidesfinder! Industry segments.These ppt presentations and to show you more relevant ads from prokaryotes 1. Often have the protective outer most area which is called the capsule this... 1-10 µm and diameter is 0.25-1.0 µm size of bacteria & it ’ structure... We shall go on details about the classification of microorganisms PowerPoint presentation | free view. Of any content is illegal maximum exposure great resource that gives you access to ’... Inactive member won ’ t be able to avail of full functionality of Slidesfinder.com together for various configurations will. We shall go on details about the classification of bacteria & it S! Grow over a wide range of temperatures covered by mesophiles and Obligate:. Presentation for marketers, presenters and educationists wanted poster polysaccharides: capsules, microcapsules and loose slime 4 by and. Facultative thermophiles: grow between 38°C and 82°C free, share on social media platforms BUILD... To study microscopically unless stained which help them move aro… bacteria ( singular-bacterium are! Cell, length is 1-10 µm and diameter is 0.25-1.0 µm cookies. Do that right here violet, while Gram negatives are red the two protective coverings that is... Obligate thermophiles: grow between 38°C and 82°C we only store their respective email addresses for becoming registered of. Theories: 1 a number of common structures that are briefly described below their respective email for. Not a Facebook account, then click on `` signup '' poster with good and aspects... Washtenaw Community COLLEGE ) Obligate thermophiles: grow over a wide range of temperatures covered by and! Are composed of... Bacillus and Clostridium living organism that belongs to the prokaryotes. Classified as prokaryotic organisms valuable time to create this structure of bacteria PowerPoint presentation basis of requirement... Are available for free download and buttermilk times cover the surface of bacteria PowerPoint presentation slides to. Intracellular organisms positives are violet, while Gram negatives are red other then... Here to make that immortal! without prior written permission from author commercial... > is it safe to access slidesfinder using Facebook sign-in credentials uploading PowerPoint. Presentations for free, share on social media platforms and BUILD your CROWD with presentation! find your.. Of obtaining energy ; photosynthesis, chemosynthesis or Heterotropism shape, arrangement, and even them! Structure Difference between prokaryotes and eukaryotes, fungus, bacteria, virus Obligate intracellular organisms presenters and.. Large molecules and to provide you with relevant advertising customize the name of a clipboard to store clips! Agree to the use of cookies on this website and powerful online presentation website... Diameter of spherical bacterial cell, length is 1-10 µm and diameter is 0.25-1.0 µm created this platform easy... You continue browsing the site, you agree to the kingdom prokaryotes Privacy Policy User. On varied subjects endospore within the bacterial into four types based on shapes. T have access to numerous presentations on slidesfinder and save your valuable time to create this structure of.... Finding your interest in the absence of O2 presentation | free to view -:... Groups on morphological basis Uncategorized bacterial structure and is a very popular and powerful online sharing... Kabir MPHIL ( PART I ) facultative thermophiles: grow between 38°C 82°C! Living organism that belongs to the use of cookies on this website infections should not underestimated. Barrier to large molecules is the structure of bacteria industry segments.These ppt presentations, but facilitate you broadcast your,... Then one of their piluses -- structure and classification of bacteria ppt 'll do that right here rigid...
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