Numerical taxonomy of heavy metal tolerant bacteria isolated from the estuarine environment
Metal tolerant bacteria, totalling 301 strains, were isolated from water and sediment samples collected from Chesapeake Bay. Growth in the presence of 100 ppm cadmium, chromium, cobalt, lead, mercury and molybdenum was tested. In addition, the strains were examined for 118 biochemical, cultural, morphological, nutritional and physiological, characters and the data were analyzed by computer, using the simple matching and Jaccard coefficients. From sorted similarity matrices, 293 strains, 97% of the total, were removed in 12 clusters defined at the 80 to 85% similarity level. The clusters included Bacillus and Pseudomonas spp. and genera and species of Enterobacteriaceae. Three clusters, containing gram negative rods, were not identified. Several of the clusters were composed of strains exhibiting tolerance to a wide range of heavy metals, whereas three of the clusters contained bacteria that were capable of growth in the presence of only a few of the metals examined in this study. Antibiotic resistance of the metal resistant strains has also been examined.
- Research Organization:
- Univ. of Maryland, College Park
- OSTI ID:
- 5080409
- Journal Information:
- Am. Society Microbiology: Abstr. Annual Meeting; (United States), Journal Name: Am. Society Microbiology: Abstr. Annual Meeting; (United States)
- Country of Publication:
- United States
- Language:
- English
Similar Records
Numerical taxonomy of phenanthrene-degrading bacteria isolated from the Chesapeake Bay
Genome-wide fitness profiling reveals molecular mechanisms that bacteria use to interact with Trichoderma atroviride exometabolites
Related Subjects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BACTERIA
TAXONOMY
TOLERANCE
NUMERICAL ANALYSIS
BACILLUS
BIOLOGICAL EFFECTS
CADMIUM
CHESAPEAKE BAY
CHROMIUM
COBALT
GROWTH
LEAD
MERCURY
MOLYBDENUM
PSEUDOMONAS
SEDIMENTS
ATLANTIC OCEAN
BAYS
BIOLOGY
ELEMENTS
MATHEMATICS
METALS
MICROORGANISMS
SEAS
SURFACE WATERS
TRANSITION ELEMENTS
520100* - Environment
Aquatic- Basic Studies- (-1989)
560302 - Chemicals Metabolism & Toxicology- Microorganisms- (-1987)