Atlas of Bacteria: Introduction and List of Bacteria and Related Features

Atlas of Bacteria: The name ‘ Atlas of Bacteria’ is given even due to the vast spectrum of bacteriology but puny collection and another thing is that only an epic centre collection of my authentical performance. So, please if you have benefited from this atlas, let others know about it too and share them through social media.

Atlas of Bacteria

The name ‘ Atlas of Bacteria’ is given even due to the vast spectrum of bacteriology but puny collection and another thing are that only an epic center collection of my authentical performance. So, please if you have benefited from this atlas, let others know about it too and share them through social media.

List of Bacteria

  1. Staphylococcus aureus
  2. Staphylococcus saprophyticus
  3. Staphylococcus species (CoNS)
  4. Micrococcus species
  5. beta-hemolytic streptococci
  6. Streptococcus pyogenes
  7. Streptococcus  agalactiae
  8. Streptococcus species- viridans group
  9. Streptococcus pneumoniae
  10. Enterococcus faecium
  11. Enterococcus faecalis
  12. Enterococcus species
  13. E. coli
  14. Klebsiella pneumoniae
  15. Klebsiella oxytoca
  16. Proteus vulgaris
  17. Proteus mirabilis
  18. Enterobacter spp.
  19. Citrobacter freundii
  20. Citrobacter koseri
  21. Salmonella enterica seroptye Typhi
  22. Salmonella enterica serotype Paratyphi
  23. Shigella
  24. Hafnia
  25. Serratia marcescens
  26. Pseudomonas aeruginosa
  27. Burkholderia cepacia complex
  28. Shewanella
  29. Turicella otitidis
  30. Haemophilus influenzae/ parainfluenzae
  31. Acinetobacter species
  32. Neisseria gonorrhoeae
  33. Neisseria meningitidis

Bacteria in Saline Wet Mount of Culture

 

Bacteria in Saline wet mount of Culture

Hanging Drop Preparation of Bacteria for Motility Test 

Hanging Drop Preparation of Bacteria for Motility Test

 

Hanging Drop Preparation for Motility Test of Bacteria

Hanging Drop Preparation for Motility Test of Bacteria

E. coli in Gram Stain showing Gram-positive rods/ bacilli

E. coli in Gram Stain showing Gram positive rods/ bacilli

Staphylococcus aureus in Gram-stained smear of pus

Staphylococcus aureus in Gram stained smear of pus showing Gram positive cocci in singles, pairs and clusters

 

Staphylococcus aureus in Gram-stained smear of culture showing Gram-positive cocci in singles, pairs, and clusters

Staphylococcus aureus in Gram stain showing Gram positive cocci in singles, pairs and clusters

Klebsiella pneumoniae in Gram Stained smear showing Gram-positive rods

Klebsiella pneumoniae in Gram Stained smear showing Gram positive rods

Streptococcus pneumoniae in Gram-stained smear of sputum showing Gram-positive cocci in pairs

Streptococcus pneumoniae in Gram stained smear of sputum showing Gram positive cocci in pairs

Streptococcus pneumoniae in Gram-stained smear of culture showing Gram-positive cocci in pairs

Streptococcus pneumoniae in Gram stained smear of culture showing Gram positive cocci in pairs

Bacillus in Gram Stained smear of culture showing Gram-positive rods

Bacillus in Gram Stained smear of culture showing Gram positive rods

 

Coryneform bacteria in Gram-stained smear under the Microscope showing Gram-positive

 Coryneform bacteria in Gram stained smear under the Microscope showing Gram positive

 

Diphtheroids in Gram Stained smear of culture showing non-sporulating, pleomorphic Gram-positive bacilli that are more uniformly stained than Corynebacterium diphtheriae, lack the metachromatic granules, and are arranged in a palisade manner. 

 Diphtheroids in Gram Stained smear showing non-sporulating, pleomorphic Gram-positive bacilli that are more uniformly stained than Corynebacterium diphtheriae, lack the metachromatic granules and are arranged in a palisade manner.

 

Proteus mirabilis in Gram Stained smear of culture showing swimmer cells (1.5- to 2.0 µm) and swarmer cells (60 to 80 µm)

Proteus mirabilis in Gram Stained smear of culture showing swimmer cells (1.5- to 2.0 µm) and swarmer cells (60 to 80 µm)

Safety Pin Appearance Bacteria in Gram Stain

Safety Pin Appearance Bacteria in Gram Stain

 

Streptobacillus in Gram-stained smear of culture showing Gram negative bacilli in chains-

Streptobacillus in Gram-stained smear of culture showing Gram negative bacilli in chains-

 

Vibrio cholerae in Gram-stained smear of culture showing  Gram-negative, facultative anaerobe, and comma-shaped bacteria-

Vibrio cholerae in Gram stained smear of culture showing Gram-negative, facultative anaerobe and comma-shaped bacteria

 

Basic fuchsin stained Campylobacter under the microscope showing comma- or s-shaped bacteria-

Basic fuchsin stained Campylobacter under microscope showing comma- or s-shaped

 

Haemophilus influenzae in Gram-stained smear of culture showing 

Gram-negative, pleomorphic, coccobacilli bacteria-

 Haemophilus influenzae in Gram stained smear of culture showing Gram-negative, pleomorphic, coccobacilli bacteria

 

Pleomorphic Gram-negative rods small to large of Haemophilus in a clinical specimen (sputum)-

Pleomorphic Gram-negative rods small to large of Haemophilus in clinical specimen, sputum

 

Neisseria gonorrhoeae in a Gram-stained smear of urethral discharge is showing Gram-negative diplococci intracellular as well as extracellular forms-

Neisseria gonorrhoeae in a Gram-stained smear of urethral discharge is showing Gram-negative diplococci intracellular as well as extracellular forms

 

Streptococcus pyogenes in Gram stained smear of culture-

Streptococcus pyogenes in Gram stained smear of culture

 

Streptococcus agalactiae in Gram-stained smear of culture showing long chains of Gram-positive cocci-

Streptococcus agalactiae in Gram-stained smear of culture showing long chains of Gram-positive cocci

 

Neisseria meningitidis in Gram Stained of Culture-

Neisseria meningitidis in Gram Stained of Culture

 

Micrococcus in Gram Stained smear of Culture-

Micrococcus in Gram Stained smear of Culture

 

Mycobacterium leprae in Ziehl-Neelsen stained Slit Skin Smear-

Mycobacterium leprae in Ziehl-Neelsen stained Slit Skin Smear

 

Mycobacterium tuberculosis in Ziehl-Neelsen Stained Smear of Sputum-

Mycobacterium tuberculosis in Ziehl-Neelsen Stained Smear of Sputum

 

Observing slide for AFB but found Nocardia-

Observing slide for AFB but found Nocardia

 

Staphylococcus aureus growth on 5% sheep blood agar-

Staphylococcus aureus growth on 5% sheep blood agar

Staphylococcus aureus growth on 5% sheep blood agar with ß-haemolytic colonies-

Staphylococcus aureus growth on 5% sheep blood agar with ß-haemolytic colonies

 

E. coli on MacConkey medium-

E coli on MacConkey medium

 

E. coli on blood agar after 24 hours of incubation-

E. coli on blood agar after 24 hours of incubation

 

E. coli on chocolate agar after 24 hours of incubation-

E. coli on chocolate agar after 24 hours of incubation

 

Klebsiella pneumoniae on nutrient agar-

Klebsiella pneumoniae on nutrient agar

 

Klebsiella pneumoniae on MacConkey medium-

Klebsiella pneumoniae on MacConkey medium

 

Klebsiella pneumoniae on MacConkey medium after 2 days of incubation-

Klebsiella pneumoniae on MacConkey medium after 2 days of incubation

 

Klebsiella pneumoniae on blood agar-

Klebsiella pneumoniae on blood agar

 

Streptococcus pyogenes on blood agar showing ß- haemolytic colonies and bacitracin (0.04 U) sensitive

Streptococcus pyogenes on blood agar showing ß- haemolytic colonies-

 

Enterococcus on blood agar-

Enterococcus on blood agar

 

Swarming growth of Proteus on blood agar after 24 hours of incubation-

Swarming growth of Proteus on blood agar after 24 hours of incubation

 

Salmonella Typhi on MacConkey medium after over night incubation at 37°C

Salmonella Typhi on MacConkey medium after over night incubation at 37°C.

Salmonella Typhi and Paratyphi growth on XLD agar

Salmonella Typhi and Paratyphi growth on XLD agar

 

Lactose fermenter and non-lactose fermenter Gram negative bacteria on MacConkey medium-

Lactose fermenter and non-lactose fermenter Gram negative bacteria on MacConkey medium

 

Pseudomonas aeruginosa typical colony morphology on MacConkey medium-

Pseudomonas aeruginosa typical Colony morphology on MacConkey medium

 

Piments (Pyocyanin and pyoverdin) of Pseudomonas aeruginosa on nutrient agar-

Pigments (Pyocyanin and pyoverdin) of Pseudomonas aeruginosa on nutrient agar

 

Mucoid Pseudomonas aeruginosa on MacConkey agar-

Mucoid Pseudomonas aeruginosa on MacConkey agar

 

Mannitol salt agar (MSA)-

  1. E. coli –No growth on MSA
  2. Yellow colonies of Staphylococcus aureus
  3. Coagulase negative staphylococci (CoNS)

Mannitol salt agar (MSA) 1. E. coli –No growth on MSA 2. Yellow colonies of Staphylococcus aureus 3. Coagulase negative staphylococci (CoNS)

 

Serratia marcescens pigment expression (Prodigiosin) after over night incubation at room température-

Serratia marcescens pigment expression (Prodigiosin) after over night incubation at room température

 

Vibrio cholerae on TCBS agar-

Vibrio cholerae on TCBS agar

 

Micrococcus roseus on blood agar-

Micrococcus roseus on blood agar

 

Micrococcus roseus on nutrient agar-

Micrococcus roseus on nutrient agar

 

 

 Neisseria meningitidis growth on blood agar-

Neisseria meningitidis growth on blood agar

 

Typical colony morphology on CLED Agar is as follows-

Staphylococcus aureus: Deep yellow colonies of uniform in colour

Escherichia coli: Opaque yellow colonies with a slightly deeper yellow centre

Pseudomonas aeruginosa: Green colonies with typical matted surface and rough periphery

CLED agar having growth of Staphylococcus aureus, E. coli and Pseudomonas aeruginosa

 

Campylobacter fetus growth on chocolate agar after 48 hours incubation at 37°C in 5% CO2 incubator-

Campylobacter fetus growth on chocolate agar after 48 hours incubation at 37°C in 5% CO2 incubator.

 

Haemophilus influenzae Growth on Chocolate agar-

Haemophilus influenzae Growth on Chocolate agar

 

Moraxella catarrhalis Growth on Blood Agar-

Moraxella catarrhalis Growth on Blood Agar

 

Moraxella in Gram Stained Smear of Culture showing Gram Negative Diplococcci-

Moraxella in Gram Stained Smear of Culture

 

Moraxella lacunata growth on MHA –

Moraxella lacunata growth on MHA

 Salmonella-Shigella (SS) Agar with Salmonella Paratyphi and Shigella flexneri-

Salmonella-Shigella (SS) Agar with Salmonella Paratyphi and Shigella flexneri

 

Shewanella growth on MacConkey Medium-

Shewanella growth on MacConkey Medium

 

Acinetobacter Colony Characteristics on MacConkey Medium-

Acinetobacter Colony Characteristics on MacConkey Medium

 

Shigella on MacConkey agar

Shigella on MacConkey agar

Shewanella growth on blood agar-

Shewanella growth on blood agar

 

Turicella on blood agar-

Turicella on blood agar

 

Sorbitol-MacConkey agar having growth of E. coli O157:H7 that differs from most other strains of E. coli in being unable to ferment sorbitol-

Sorbitol-MacConkey agar having growth of E. coli O157:H7 that differs from most other strains of E. coli in being unable to ferment sorbitol

 

Streptococcus pneumoniae-Draughtsman Colonies and they are young alpha-haemolytic colonies appear raised, and in 24 – 48 hours colonies are flattened with depressed centre. It becomes so due to partial autolysis.

 Streptococcus pneumoniae-Draughtsman Colonies and they are young alpha-haemolytic colonies appear raised, and in 24 – 48 hours colonies are flattened with depressed centre. It becomes so due to partial autolysis.

 

Streptococcus pneumoniae

       Optochin: Sensitive

Streptococcus pneumoniae Optochin: Sensitive

 

Satellitism test Positive of Haemophilus influenzae

Staphylococcus aureus ATCC 25923 streaked perpendicularly over lawn culture of Haemophilus influenzae on blood agar plate and incubated at 37°C in CO2 incubated for about 24 hours.

Satellitism test Positive of Haemophilus influenzae

 

CAMP test Positive

CAMP test uses to identify presumptively Streptococcus agalactiae. It was first described in 1944 by Christie, Atkins, and Munch-Petersen, and CAMP test is an acronym of their names.

CAMP test Positive CAMP test uses to identify presumptively Streptococcus agalactiae. It was first described in 1944 by Christie, Atkins, and Munch-Petersen, and CAMP test is an acronym of their names.

 

DNase Test: Positive

It is useful for presumptive identification of Staphylococcus aureus which produces the enzyme deoxyribonuclease from other Staphylococci which do not produce DNase. This test is also positive in following organisms like Aeromonas spp., Vibrio cholerae Stenotrophomonas maltophilia, Moraxella catarrhalis and  Serratia spp. except Serratia fonticola.

 DNase Test: Positive It is useful for presumptive identification of Staphylococcus aureus which produces the enzyme deoxyribonuclease from other Staphylococci which do not produce DNase. This test is also positive in following organisms like Aeromonas spp., Vibrio cholerae Stenotrophomonas maltophilia, Moraxella catarrhalis and Serratia spp. except Serratia fonticola.

 

Tube coagulase Test: Positive

Tube coagulase Test: Positive

 

Slide Coagulase Test: Positive

Slide Coagulase Test: Positive

 

Use of 10 U Bacitracin

Bacitracin is a polypeptide antibiotic derived from Bacillus subtilis that functions to block cell wall formation by interfering with the dephosphorylation of the lipid compound that carries peptidoglycans to the growing microbial cell wall. Haemophilus is resistance to bacitracin (10U) whereas most common bacteria are sensitive. It makes easier to screen Haemophilus influenzae in sputum growing around the bacitracin disk.

Use of 10 U bacitracin Bacitracin is a polypeptide antibiotic derived from Bacillus subtilis that functions to block cell wall formation by interfering with the dephosphorylation of the lipid compound that carries peptidoglycans to the growing microbial cell wall. Haemophilus is resistance to bacitracin (10U) whereas most common bacteria are sensitive. It makes easier to screen Haemophilus influenzae in sputum growing around the bacitracin disk.

 

Streptococcus pyogenes growth on Blood agar-

Streptococcus pyogenes growth on Blood agar

 

Acinetobacter in Gram stained smear of culture-

Acinetobacter in Gram stained smear of culture-

 

Acinetobacter in Gram Stained Smear of Sputum

Acinetobacter in Gram Stained Smear of Sputum

 

Aeromonas on MacConkey Medium-

Aeromonas on MacConkey Medium

Biochemical Tests of Aeromonas

Biochemical Tests of Aeromonas

 

Aeromonas Growth on MacConkey Medium and Biochemical Tests-

Aeromonas Growth on MacConkey Medium and Biochemical Tests

 

Streptococcus agalactiae: ß-Haemolytic Colonies on Blood Agar-

Streptococcus agalactiae: ß-Haemolytic Colonies on Blood Agar

 

Streptococcus agalactiae

Bacitracin (0.04U): Resistance

Streptococcus agalactiae, Bacitracin (0.04U)- Resistance

 

Streptococcus agalactiae

     CAMP Test: Positive

CAMP Test-Positive, Streptococcus agalactiae

 

Antimicrobial Susceptibility Testing (AST) pattern of Streptococcus agalactiae-

Antimicrobial Susceptibility Testing (AST) pattern of Streptococcus agalactiae

 

Alcaligenes growth on MacConkey Medium-

Alcaligenes growth on MacConkey Medium

 

Alcaligenes Biochemical Tests-

Alcaligenes Biochemical Tests

 

Biochemical Tests of Morganella morganii-

Biochemical Tests of Morganella morganii

 

Dienes Phenomenon of Different strains of P. vulgaris-

Dienes Phenomenon of Different strains of P. vulgaris

 

Enterococcus in Gram Stained Smear of Culture-

Enterococcus in Gram Stained Smear of Culture

 

Neisseria gonorrhoeae In Gram Stained Smear of Culture from Eye Swab-

Neisseria gonorrhoeae In Gram Stained Smear of Culture from Eye Swab

 

Neisseria gonorrhoeae Growth on Chocolate agar from specimen, eye swab-

Neisseria gonorrhoeae Growth on Chocolate agar from specimen, eye swab

 

Gram positive cocci in pairs, short chains and long chains-

Gram positive cocci in pairs, short chains and long chains

 

Ideal Sputum Gram Stained Smear Without Organisms-

Ideal Sputum Gram Stained Smear Without Organisms

 

Ideal Sputum Gram Stained Smear showing

Epithelial Cells<10/LPF and

Pus cells>25/LPF

Ideal Sputum Gram Stained Smear showing Epithelial Cells<10/LPF and Pus cells>25/LPF

 

Haemophilus ducreyi growth around X and XV factors disks but no growth around V-

Haemophilus ducreyi growth around X and XV factors disks but no growth around V

 

Haemophilus ducreyi AST patter on Chocolate agar-

Haemophilus ducreyi AST patter on Chocolate agar

 

Haemophilus influenzae growth on Chocolate agar-

Haemophilus influenzae growth on Chocolate agar

 

Oxidase Test: Positive-

Oxidase Test: Positive

 

Gram Stained Smear of Sputum Showing Gram Negative Cocci and also Small to Large Gram-Negative Rods-

Gram Stained Smear of Sputum Showing Gram Negative Cocci and also Small to Large Gram-Negative Rods

 

Kingella kingae in Gram Stained Smear of Sputum-

Kingella kingae in Gram Stained Smear of Sputum

 

Kingella kingae ß-Haemolytic Colonies on Blood Agar-

Kingella kingae ß-Haemolytic Colonies on Blood Agar

 

Klebsiella pneumoniae mucoid colonies on MacConkey Medium-

Klebsiella pneumoniae mucoid colonies on MacConkey Medium

 

Lactobacillus growth on Chocolate agar from HVS-

Lactobacillus growth on Chocolate agar from HVS

 

Lactobacillus in Gram Stained Smear of Culture-

Lactobacillus in Gram Stained Smear of Culture

 

Lactose Fermenters (LF)-Pink

Non-lactose Fermenters (NLF)-Normal Colour(un-dyed)

Gram negative bacteria on MacConkey Medium-

Lactose Fermenters (LF)-Pink, non-lactose fermenters (NLF)-normal Colour(un-dyed) Gram negative bacteria on MacConkey medium

 

Listeria in Gram Stained Smear of Culture-

Listeria in Gram Stained Smear of Culture

 

 

3 types of colonies of different bacteria-

  1. Large mucoid-Klebsiella pneumoniae
  2. Flat, pink: E. coli
  3. NLF- Pseudomonas aeruginosa

3 types of colonies of different bacteria- 1. Large mucoid-Klebsiella pneumoniae 2. Flat, pink: E. coli 3. NLF- Pseudomonas aeruginosa

 

 

  1. Klebsiella pneumoniae and
  2. Serratia marcescens growth on MacConkey medium

-Isolated from Pus

Klebsiella and Serratia growth on MacConkey agar from clinical sample, pus

String test: Positive Vibrio cholerae

String test to identify Vibrio cholerae-Vibrio cholerae (positive) and Aeromonas species (negative) isolated from diarrheal stool, show similar colony characteristics on MacConkey agar and they are oxidase positive. It also aids to differentiate Vibrio cholerae (positive) from other Vibrio species (negative). Colony morphology, oxidase test positive and string test positive are very useful for conformation of Vibrio cholerae.

String test: Positive Vibrio cholerae String test to identify Vibrio cholerae: Vibrio cholerae (positive) and Aeromonas species (negative) isolated from diarrheal stool, show similar colony characteristics on MacConkey agar and they are oxidase positive. It also aids to differentiate Vibrio cholerae (positive) from other Vibrio species (negative). Colony morphology, oxidase test positive and string test positive are very useful for conformation of Vibrio cholerae.

 

Listeria on blood agar

Listeria on blood agar

Listeria monocytogenes in Hanging Drop Preparation

Listeria in Hanging Drop Preparation

Listeria monocytogenes haemolytic colonies on blood agar

Listeria monocytogenes haemolytic colonies on blood agar

 

Modified Hodge Test (MHT): Positive

Modified Hodge Test (MHT): Positive

Micrococcus luteus growth on nutrient agar

Micrococcus luteus growth on nutrient agar

Morganella morganii on MacConkey medium

Morganella morganii on MacConkey medium

Mucoid colony of Pseudomonas aeruginosa on MacConkey medium (MAC)

  • Oxidase test: Positive
  • TSI test
  • MIU test
  • Urease test

Mucoid colony of Pseudomonas aeruginosa on MacConkey medium (MAC) and its biochemical tests, oxidase, TSI, MIU and Urease

Biochemical Tests of Pseudomonas aeruginosa-

  • TSI test
  • MIU test
  • Urease test

 Biochemical Tests of Pseudomonas aeruginosa- TSI test MIU test Urease test

 

MIC of Polymyxin B and Colistin for Pseudomonas aeruginosa

MIC of Polymyxin B and Colistin for Pseudomonas aeruginosa

Pseudomonas aeruginosa mucoid colony on MacConkey medium of sputum sample

Pseudomonas aeruginosa mucoid colony on MacConkey medium of sputum sample

Mucoid strain of Pseudomonas aeruginosa on MacConkey agar of sputum specimen

Mucoid strain of Pseudomonas aeruginosa on MacConkey agar of sputum specimen

Salmonella Typhi nalidixic acid sensitive strain (NASS)-

Salmonella Typhi nalidixic acid sensitive strain (NASS)

Nalidixic acid resitant strain (NARS) of Salmonella Typhi

Nalidixic acid resitance strain (NARS) of Salmonella Typhi

Neisseria gonorrhoeae on blood agar from urethral discharge

Neisseria gonorrhoeae on blood agar from urethral discharge

Neisseria gonorrhoeae AST on blood agar

Neisseria gonorrhoeae AST on blood agar

Pandrug-resistant (PDR) strain of bacteria, in reference to our laboratory antmicrobial availabiliy-

Pandrug-resistant (PDR) strain of bacteria

A reddish-brown pigment pyorubin of Pseudomonas aeruginosa on MacConkey medium

A reddish-brown pigment pyorubin of Pseudomonas aeruginosa on MacConkey medium

Pigments of various anaerobic bacteria

Pigments of various anaerobic bacteria

Streptococcus pneumoniae in Gram stained smear of culture showing Gram positive diplococci,  lanceolate appearance and also evidence of capsule

Streptococcus pneumoniae in Gram stained smear of culture showing Gram positive diplococci, Lanceolate appearance and also evidence of capsule

Propionibacterium Gram Positive Rods

Propionibacterium Gram Positive Rods

Proteus Gram Negative Rods

Proteus Gram Negative Rods

 

Providencia rettgeri biochemical tests-

  1. TSI test
  2. SIM test
  3. Urease test
  4. Citrate utilization test

Providencia rettgeri biochemical tests

Providencia rettgeri growth on MHA

Providencia rettgeri growth on MHA

Providencia rettgeri growth on MHA, biochemical tests and AST pattern

Providencia rettgeri growth on MHA, biochemical tests and AST pattern

Pus cells and large GNB in sputum Gram stained smear

Pus cells and large GNB in sputum Gram stained smear

 

 

Rothia on MHA

Rothia on MHA

Rothia on chocolate agar

Rothia on chocolate agar

Rothia AST

Rothia AST

Rothia strong adherence to the solid medium substrate-

Rothia strong adherence to the solid medium substrate

 

Rothia antibiogram

Rothia antibiogram

 

Rothia colonies are not dissolving in normal saline

Rothia colonies are not dissolving in normal saline

 

  Rothia in Gram stain stained smear of culture

 Rothia in Gram stain stained smear of culture

 

 

No growth of Rothia in 6.5% sodium chloride (NaCl) after 2 days of incubation-

No growth of Rothia in 6.5% sodium chloride (NaCl) after 2 days of incubation

 

No growth of Rothia on MSA

No growth of Rothia on MSA

 

Rothia on blood agar-

Rothia on blood agar

 

Streptococcus urinalis on blood agar of urine specimen

Streptococcus urinalis on blood agar of urine specimen

 

 

S. urinalis in Gram stained Smear of culture-

S. urinalis in Gram stained Smear of culture

 

 

Streptococcus urinalis

Vancomycin: Sensitive

Vancomycin Sensitive Streptococcus urinalis

 

Streptococcus urinalis

Bile esculin (BE):Positive

Streptococcus urinalis Bile esculin (BE)-Positive

 

Streptococcus urinalis growth in 6.5%  sodium chloride (NaCl) broth-

Streptococcus urinalis growth in 6.5% sodium chloride (NaCl) broth

 

Streptococcus urinalis Antibiogram-

Streptococcus urinalis Antibiogram

 

S. urinalis antibiogram

S. urinalis antibiogram

 

 

Salmonella enterica Serotype Typhi in Gram Stained Smear of Culture-

Salmonella enterica Serotype Typhi in Gram Stained Smear of Culture

 

 

Salmonella Typhi  and Shigella boydii on XLD agar-

Salmonella and Shigella on XLD agar

 

Salmonella enterica serotypeTyphi on MacConkey medium

Salmonella enterica serotypeTyphi on MacConkey medium

 

Salmonella Typhi growth on MacConkey medium, biochemical tests and AST pattern-

Salmonella Typhi growth on MacConkey medium, biochemical tests and AST pattern

 

Biochemical tests  of Salmonella enterica serotype Typhi

Biochemical tests of Salmonella enterica serotype Typhi

 

AST pattern of Salmonella Typhi

AST pattern of Salmonella Typhi

 

Staphylococcus saprophyticus

Novobiocin:  Resistance

Staphylococcus saprophyticus novobiocin resistance

 

Serratia marcescens growth on MHA after 24 hours of incubation at 37°C lacking pigment expression-

Serratia marcescens growth on MHA after 24 hours of incubation at 37°C lacking pigment expression

 

Serratia marcescens growth on MHA after 24 hours of incubation at room temperature ( 25°C) showing pigment expression-

Serratia marcescens growth on MHA after 24 hours of incubation at room temperature ( 25°C) showing pigment expression

 

Serratia marcescens growth on MHA after 24 hours of incubation at 37°C lacking pigment expression while at room temperature (25°C) showing pigment (prodigiosin) expression-

Serratia marcescens growth on MHA after 24 hours of incubation at 37°C lacking pigment expression while at room temperature (25°C) showing pigment (prodigiosin) expression

 

 

Shigella boydii in XLD agar

Shigella boydii in XLD agar

 

Shigella boydii on MAC

Shigella boydii on MAC

Proteus vulgaris on SS agar showing black colonies-

Proteus vulgaris on SS agar showing black colonies

 

 

Salmonella Typhi and Shigell flexneri growth on XLD agar-

almonella Typhi and Shigell flexneri growth on XLD agar

 

Shigella flexneri and Salmonella Typhi growth on Sorbitol MacConkey Agar-

Shigella flexneri and Salmonella Typhi growth on Sorbitol MacConkey Agar

 

Proteus vulgaris on Sorbitol MacConkey Agar-

Proteus vulgaris on Sorbitol MacConkey Agar

 

S. boydii in XLD agar

S. boydii in XLD agar

SS agar, XLD and Sorbitol MacConkey medium with various organisms like Salmonella, Shigella and Proteus-

SS agar, XLD and Sorbitol MacConkey medium with various organisms like Salmonella, Shigella and Proteus

 

Sphingobacterium  mizutii isolation

Sphingobacterium  mizutii isolation

 

Sphingobacterium antibiogram-

Sphingobacterium antibiogram

 

Sphingobacterium AST Pattern-Extra

Sphingobacterium AST Pattern

 

Sphingobacterium  mizutii on chocolate agar

Sphingobacterium  mizutii on chocolate agar

 

Sphingobacterium  mizutii on blood agar

Sphingobacterium  mizutii on blood agar

 

Sphingobacterium  mizutii lacking growth  on MacConkey medium-

Sphingobacterium  mizutii lacking growth  on MacConkey medium

 

Sphingobacterium  mizutii-Special Features

Sphingobacterium  mizutii-Special Features

 

Sporulated Gram positive rods in Gram stained Smear of culture

Sporulated Gram positive rods in Gram stained Smear of culture

 

Sporulated bacillus growth on blood agar-

Sporulated bacillus growth on blood agar

 

Gram positive diplococci in Gram stained smear of sputum

Gram positive diplococci in Gram stained smear of sputum

 

Staphylococcus saprophyticus in Gram stained smear of culture

Staphylococcus saprophyticus in Gram stained smear of culture

 

Staphylococcus aureus on Nutrient agar

Staphylococcus aureus on Nutrient agar

 

Vibrio cholerae colonies on TCBS agar are changing due to longer incubation (72 hours)-

Vibrio cholerae colonies on TCBS agar are changing due to longer incubation (72 hours)

 

Contd.

 

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