Natural Sciences: Bacterial Pathogens

Genus Species

Flagella driven motility

• severe nausea vomiting, and diarrhea due to indigestion of the infeceted food

• Rod-shaped bacterium
• endospore-forming

• Anthrax:  Pulmonary Anthrax, Gastrointestinal Anthrax

Usually caused to livestock and human beings

• Fever and chills run through body
• Discomfort in Chest
• Shortness of breath
• Confusion or dizziness
• Cough
• Nausea, vomiting, or stomach pains
• Headache
• Sweats (often drenching)

• Rod shaped bacteria
• No flagella
• Twitching motility

• papule at the site the microbe entered
• aches, nausea, and abdominal pain,
• malaise

• rod-shaped, coccoid
• Motile

• Rapid coughs followed by a high-pitched “whoop” sound.
• Vomiting during or after coughing fits.
• Exhaustion after coughing fits

• Rod shaped bacteria with helical flagella
• spirochete bacterium

• fever, headache, fatigue
• Causes skin rash called erythema migrans.

have one or more helical turns

Motile

common spirillum bacterium

• inflammatory, sometimes bloody diarrhea
• mostly including stomach cramps, fever and pain

• coccoid or rod-shaped and require growing cells to remain sustainable

• Pelvic inflammatory disease

Chlamydia

• Infection near the testicles (epididymitis).
• Prostate gland infection
• Ectopic pregnancy
• Infertility
• Reactive arthritis

• Painful urination
• Vaginal discharge in women
• Discharge from the penis in men
• Painful sexual intercourse in women
• Bleeding between periods and after sex in women
• Testicular pain in men

• Cells of most strains occur as straight or slightly curved rods
• Motile with the help of peritrichous flagella

• Paralysis
• Poisoning
• Difficulty swallowing
• Muscle weakness
• Double vision
• Drooping eyelids
• Blurry vision
• Slurred speech
• Difficulty breathing
• Difficulty moving the eyes

• Rod shaped
• motile by peritrichous flagella and spore forming in nature

• Clostridioides
• Severe diarrhea and colitis (an inflammation of the colon)

• Watery diarrhea ( in worst cases10 to 15 times a day)
• Abdominal cramping and pain, which may be severe
• Rapid heart rate
• Dehydration
• Fever
• Nausea
• Increased white blood cell count
• Kidney failure
• Loss of appetite
• Swollen abdomen
• Weight loss
• Blood or pus in the stool

• Rod shaped
• Spore forming

Diarrhea

profuse vomiting (instant vomiting after intake of food)

indigestion of food

nausea

• Enlarged and tennis racket- or drumstick-shaped when forming spores
• Usually rod shaped
• Motile with the help of flagella

• Jaw cramping.
• Sudden involuntary muscle tightening (muscle spasms) – often in the stomach
• Painful muscle stiffness all over the body
• Trouble swallowing
• Jerking or staring (seizures)
• Headache
• Fever and sweating
• Changes in blood pressure and fast heart rate

• non-motile, non-encapsulated, non-sporulating
• rod-shaped

• Difficulty breathing
• Heart failure
• Paralysis, and even death

• Non-motile
• Slow growing bacillus
• Non-spore-forming

• Thin, gray, white or green vaginal discharge.
• Foul-smelling “fishy” vaginal odor.
• Vaginal itching.
• Burning during urination.

• bacilli or coccobacilli with random arrangements
• rod shaped

• Pneumonia
• Bloodstream infection.
• Meningitis.
• Epiglotittis
• Cellulitis
• Infectious arthritis

• swelling in the throat
• inflammation of the joint
• Fever and chills.
• Excessive tiredness.
• Pain in the belly.
• Nausea with or without vomiting.
• Diarrhea.
• Anxiety.
• Shortness of breath or difficulty breathing.
• Altered mental status (confusion)
• Fever

• Spiral shaped or Helix shaped
• Curved or straight rods
• Motile with the help of its flagella

• Peptic ulcer
• Chronic gastritis
• Risk factor for gastric carcinoma and Gastric B-cell lymphoma

• Burning pain in your stomach after eating anything
• Unplanned weight loss.
• Bloating
• Nausea and vomiting (bloody vomit)
• Indigestion (dyspepsia)
• Burping
• Loss of appetite
• Dark stools

• Non- Motile
• rod-shaped bacterium

• Urinary tract infection (UTI),
• Pneumonia
• Intra-abdominal infection,
• Bloodstream infection (BSI),
• Meningitis
• Pyogenic liver abscess

• Fever
• Chills
• Coughing
• Yellow or bloody mucus
• Shortness of breath
• Chest pain
• Burning while urination

• Thin pleomorphic
• Flagellated
• Non-spore forming

• Cough
• shortness of breath
• high fever
• muscle pains, and headaches
• Nausea, vomiting, and diarrhea may also occur.

• Non-spore-forming
• Motile
• Rod-shaped bacterium.

• Listerosis
• Sepsis
• Meningitis
• Encephalitis
• Intrauterine infections
• Spontaneous abortions in pregnant women

• Headache.
• Stiff neck.
• Confusion or changes in alertness.
• Loss of balance.
• Convulsions

• Rod-shaped bacterium
• Parallel sides and rounded ends

• Hansen’s disease (Leprosy)

• Discolored patches of skin, usually flat, that may be numb and look faded (lighter than the skin around)
• Growths (nodules) on the skin.
• Thick, stiff or dry skin
• Painless ulcers on the soles of feet
• Painless swelling or lumps on the face or earlobes.
• Loss of eyebrows or eyelashes

• Non-motile
• Large rod-shaped bacterium

• Phelgm producing cough
• Weight loss.
• Night sweats.
• High temperature.
• Tiredness and fatigue.
• Loss of appetite.
• Swelling around the neck

• spindle shaped pleomorphic bacterium

• Mycoplasma pneumonia
• Primary atypical pneumonia,
• Tracheobronchitis and upper respiratory tract disease

• sore throat and hoarseness,
• fever
• produce non-bloody sputum
• in worst case causes ulceration and

• coccus which is present in pairs (diplococci) kidney/coffee bean shape

• discharge from the vagina (watery, creamy, or slightly green)
• Pain or burning sensation while urinating.
• Heavier periods or spotting
• Sore throat
• pain during sexual intercourse
• sharp pain in the lower abdomen
• Fever

• Coffee-bean shaped diplococci

• Meningitis
• Meningococcemia

• Fever and chills.
• Fatigue (feeling tired)
• Vomiting.
• Cold hands and feet.
• Severe aches or pain in the muscles, joints, chest, or abdomen (belly)
• Rapid breathing.
• Diarrhea.

• Straight rod
• Flagellate bacterium

• Fever, dry mucous membranes, suprapubic tenderness, and flank pain in pyelonephritis

• Rod-shaped bacterium

• Malignant external otitis
• Endophthalmitis
• Endocarditis
• Meningitis
• Pneumonia
• Septicemia

• Ears: pain and discharge.
• Skin: rash, which can include pimples filled with pus.
• Eyes:pain, redness, swelling.
• Bones or joints: joint pain and swelling; neck or back pain that lasts weeks.
• Wounds: green pus or discharge that may have a fruity smell.
• Digestive tract: headache, diarrhea.

• Rod-shaped or variably spherical, non-filterable bacteria
• Non-motile

• Tibola
• Lymphangitis-associated rickettsiosis
• Epidemic typhus
• Sylvatic typhus
• Murine typhus

• Sudden fever, chills, and headache
• Malaise and myalgia
• Nausea, vomiting

• Rod-shaped
• non-motile bacteria
• non- spore formation

• Diarrhea, fever
• Abdominal cramps

• Enteric rod
• Motile

• Sustained fever
• Weakness,
• stomach pains
• Headache, loss of appetite

• Round-shaped bacterium

• Impetigo
• Boils
• Cellulitis
• Folliculitis
• Carbuncles
• Scalded skin syndrome
• Abscesses
• Pneumonia
• Septic arthritis
• Toxic shock syndrome

• blisters, abscesses, and redness and swelling
• fever, rash, dangerously low blood pressure

• Round bacterium
• Appear in chains

• Dental Carries
• Bacteremia
• Infective endocarditis

• Fever, chills, sweats
• Anorexia
• weight loss,
• Malaise

• lancet-shaped
• Non-Motile
• 100 known serotypes

• Pneumonia

Meningitis

• Fever, Cough, shortness of breath, chest pain, stiff neck,
• Confusion increased sensitivity to light, joint pain, chills, ear pain
• Irritating behavior
• In severe cases, hearing loss,
• Brain damage, and death

• Round shaped (Cocci)
• Extracellular
• non-motile
• non-sporing

• Pharyngitis
• tonsillitis
• Scarlet fever
• Cellulitis, erysipelas
• Rheumatic fever,
• Post-streptococcal glomerulonephritis
• Necrotizing fasciitis
• Myonecrosis
• Lymphangitis.

• Cough.
• Rhinorrhea.
• Hoarseness.
• Oral ulcers.
• Conjunctivitis
• Body ache
• Blur vision
• High fever
• Unable to gulp food

• spirochete bacterium
• helically coiled

• Syphilis
• Bejel
• Yaws

• Fever
• Swollen lymph glands, sore throat, patchy hair loss, headaches, weight loss, muscle aches, and fatigue

• Highly Motile
• Comma shaped

• Profuse watery diarrhea,
• Vomiting
• Thirsty feeling
• Leg Cramps
• Restlessness or irritability

• Non-Motile
• Coccobacillus bacterium
• Without spores

• Plague
• Bubonic Plague
• Pneumonic Plague

• Fever, chills, head and body aches, and weakness, vomiting and nausea.