antimicrobial screening of medicinal plants from baja california sur, mexico. | the ethanolic extracts of 72 plants belonging to 35 different families, and used in traditional medicine in baja california sur (méxico), were tested for antimicrobial activity in vitro using the filter paper disk assay method. activity against staphylococcus aureus, bacillus subtilis, streptococcus faecalis (gram-positive microorganisms), escherichia coli (gram-negative microorganisms) and candida albicans (yeast) is discussed. | 1991 | 2023427 |
candida caseinolytica sp. nov., a new species of yeast occurring in necrotic tissue of opuntia and stenocereus species in the southwestern united states and baja california, mexico. | we describe candida caseinolytica, a new yeast species which occurs in rotting tissues of opuntias and other cacti in the north american sonoran desert and a few other localities. this small-celled, slowly growing yeast does not ferment any sugar and assimilates a limited number of carbon compounds, including 2- and 5-ketogluconic acids. it exhibits strong extracellular proteolytic activity on casein at ph 6.5, but gelatin is not hydrolyzed or is only weakly hydrolyzed by a few strains. the type ... | 1994 | 7981095 |
isolation of prorocentrum lima (syn. exuviaella lima) and diarrhetic shellfish poisoning (dsp) risk assessment in the gulf of california, mexico. | a benthic toxic dinoflagellate identified as prorocentrum lima (syn. exuviaella lima), and designated as strain prl-1, was isolated from the coast of el pardito (coyote) island in baja california sur, mexico, after a fisherman poisoning incident involving consumption of liver from lutjanus colorado, and mycteroperca prionura fish. purification and culturing was done in es-si medium, under 12:12 light/dark cycle (4 x 20 w cool-white fluorescent lamps), at 22 degrees c and constant stirring during ... | 2002 | 12165314 |
spirochaeta bajacaliforniensis sp. n. from a microbial mat community at laguna figueroa, baja california norte, mexico. | a new anaerobic spirochete was isolated from anaerobic muds beneath the laminated sediment in the evaporite flat at laguna figueroa, baja california norte, mexico. the organism is a member of the stratified microbial community involved in the deposition of the laminated sediments in the lagoon. the size of the spirochete is 0.3 by 30 micrometers, with a wave amplitude of 0.5 micrometer and a wavelength of 1.25 micrometers. the periplasmic flagella have a 1-2-1 arrangement. the outer membrane ... | 1985 | 11542001 |