Bacteria/Fungus / Habitat / Biosafety Level / Mode of Transmission / Virulence Factors / Disease/Infections / Precautions to be taken
Agrobacterium tumefaciens
ATCC 33970 / ·  Soil borne / ·  1 / ·  Not known to cause human infections / ·  Not known to cause human infections / ·  Plant pathogen.
·  Not known to cause human infections / ·  Refer to SRC Biology Research Laboratory Rules and Regulations
Alcaligenes eutrophus
ATCC 17699 / ·  Found in soils and water / ·  1 / ·  Not known to cause human infections / ·  Not known to cause human infections / ·  Not know to cause human infections
Aspergillus niger
Carolina / ·  Ubiquitous in nature. Commonly found as saprophyte growing on dead leaves and other decaying vegetation. / ·  1 / ·  Contact and airborne.
·  The spores are widespread. / ·  Allergen,
·  Mycotoxins / ·  Opportunistic pathogen.
·  Allergen may cause hypersensitivity reactions to asthmatic patients.
·  Massive inhalation of the spores by normal person may lead to an acute self-limiting pneumonitis.
Citrobacter freundii
ATCC 8090 / ·  Normal human Gastrointestinal flora
·  Environment (soil, water, sewage), food / ·  1 / ·  Endogenous or person-to-person spread. / ·  Endotoxins (Low Virulence) / ·  Nosocomial infections of UTI, blood and several other normally sterile sites.
·  Normal person with open –wound to be exposed to contaminated sources may lead to an infection.
Escherichia coli
MM294 / ·  Normal bowel flora of human and other animals / ·  1 / ·  Endogenous or person-to-person spread. / ·  Endotoxin (Low Virulence) / ·  Nosocomial infections of UTI, blood and several other normally sterile sites.
·  Normal person with open –wound to be exposed to contaminated sources may lead to an infection.
Enterobacter cloacae
ATCC 23355 / ·  Normal human Gastrointestinal flora / ·  1 / ·  Endogenous or person-to-person spread. / ·  Endotoxin (Low Virulence) / ·  Nosocomial infections of UTI, blood and several other normally sterile sites.
·  Normal person with open –wound to be exposed to contaminated sources may lead to an infection
Micrococcus luteus
ATCC 4698 derivative / ·  Normal flora of human skin, mucosa and oropharynx / ·  1 / ·  Rarely implicated in infections. / ·  Extremely low virulence / ·  Usually considered contaminants
·  Rarely implicated as cause of human infections.
Pectobacterium carotovorum
ATCC 25270 / ·  Plant pathogen / ·  1 / ·  Bacteriocin-Bacterial soft rot / ·  Rare opportunistic human pathogen / ·  Plant pathogen and rare opportunistic human pathogen.
Providencia stuartii
ATCC 35031 / ·  Normal human Gastrointestinal flora / ·  1 / ·  Endogenous or person-to-person spread / ·  Endotoxins / ·  Nosocomial infections of UTI, blood and several other normally sterile sites.
·  Normal person with open –wound to be exposed to contaminated sources may lead to an infection.
Pseudomonas fluorescencs
ATCC 948 / ·  Environmental(soil and water), not part of normal human flora / ·  1 / ·  Exposure to contaminated sources / ·  Infection usually requires patient with underlying disease or open-wound to be exposed to contaminated medical devices or sources. / ·  Uncommon cause of infection, have been associated with bacteremia, UTI, wound infections and respiratory tract infections.
Pseudomonas putida
ATCC 31800 / ·  Environmental(soil and water), not part of normal human flora / ·  1 / ·  Exposure to contaminated sources / ·  Infection usually requires patient with underlying disease or open-wound to be exposed to contaminated medical devices or sources. / ·  Uncommon cause of infection, have been associated with bacteremia, UTI, wound infections and respiratory tract infections.
Pseudomonas sp.
(ATCC 55702) / ·  Environmental(soil and water), not part of normal human flora / ·  1 / ·  Exposure to contaminated sources / ·  Infection usually requires patient with underlying disease or open-wound to be exposed to contaminated medical devices or substances. / ·  Uncommon cause of infection, have been associated with bacteremia, UTI, wound infections and respiratory tract infections.
Serratia marcescens
Carolina / ·  Normal human Gastrointestinal flora.
·  Environment (soil, water, sewage), food / ·  1 / ·  Endogenous / ·  Endotoxins / ·  Nosocomial infections of UTI, blood and several other normally sterile sites when skin is injured.
Saccharomyces cerevisiae
(Wine yeast)
Carolina / ·  On the surface of fruits. / ·  1 / ·  Not known to cause human infections / ·  Not known to cause human infections / ·  Not known to cause human infections
Saccharomycopsis fibuligera
ATCC 9947 / ·  Cereal products and Grains / ·  1 / ·  Starch-splitting enzymes / ·  Not known to cause human infections / ·  Not known to cause human infections
Saccharophagus degradans
ATCC 43961 / ·  Marine bacterium / ·  1 / ·  Plant cell wall degrading enzymes / ·  Not known to cause human infections / ·  Not known to cause human infections
Staphylococcus epidermidis
ATCC 12228 / ·  Normal flora of human skin, mucous membranes. / ·  1 / ·  Endogenous / ·  Production of exopolysaccharide:slime: or biofilm enhances organism adhesion and provides mechanical barrier to antibiotics and host defense mechanisms. / ·  Usually normal flora of human skin and mucous membranes. Most common infections include nosocomial bacteremia associated with medical devices or gain access to sterile sites.
Zymomonas mobilis
ATCC 29191 / ·  Isolated from alcoholic beverages. / ·  1 / ·  Not known to cause human infections / ·  Not known to cause human infections / ·  Not known to cause human infections

CDC/NIH Guidelines (1999) Biosafety Level 1 (BSL 1): Well characterized agents not consistently known to cause disease in healthy adult humans of minimal potential hazard to laboratory personnel and the environment.

References:

1. Betty A. Forbes; Daniel F. Saham; Alice S. Weissfeld. Diagnostic Microbiology, 3rd Edition.

2. Bergey’s manual of determinative Bacteriology, Nineth Edition

3. John I. Pitt; Alisa D. Hocking, Fungi and Food Spoilage. 3rd Edition

4. Microbe Wiki