fungal conidia and spores are among various organisms found in the air, causing different types of mycoses. in this study (from february 1994 until march 1995) fungal spores and conidia were collected by their settlement on to petri - dishes from 33 locations in babol city during 4 seasons. plates of sabouraud dextrose agar were laid 1.5 m. from the ground and then sent to mycology laboratory w...

a new system is presented for the generation ofrecombinant bacillus subtilis strains without antibioticmarkers. this system is based on two plasmids constructed in escherichia coli. the first plasmid phm30contains an incomplete hisi gene, the last gene in thehistidine biosynthesis operon of b. subtilis and part ofthe genes yvca and yvcb of unkown function flankinghisi at the 3´-end. the spectin...

persistent organic pollutants (pops) have widely aroused public concern due to their ubiquity,environmental persistence, long-range transportability, bioaccumulation capacities and potentially adverse effectson living organisms. dakar is located in the industrial zone of senegal (80% of industrial activities) and inhabits25% of senegalese population leading to an ideal sink of these persistent ...

Septoria leaf blight caused by the fungus petroselini is one of major and important diseases in parsley occurring many countries. The use high quality seeds conditions for an efficient crop production. As a seedborne, clean certified disease control especially organic farming. Resistance inducers, commercially formulated non-formulated selected bacterial strains were applied as seed treatments ...

Drugs from the sea? Darwin may not have considered this concept when he was thinking about mechanisms that drove diversification of life on earth. In recognition of his 200th year, and celebration of the publication in 1859 of his "On the origin of species", we review the global status of marine biodiscovery in medicinal fields, with a focus on the South Pacific. Furthermore, in the Darwinian s...