twenty six rhizobium strains were isolated from root nodules of sesbania sesban (l.) merr. collected from different regions of andhra pradesh. all the 26 rhizobium strains produced indole acetic acid (iaa), but maximum amount was produced by only five strains in yeast extract mannitol  (yem) medium supplemented with l-tryptophan. the strains were found to elaborate maximum iaa when fed with 2.5...

the anamorphic fungus genus periconia is word wide in distribution and causes foliar disease on plants mostly in tropical and subtropical regions. this paper presented the description and illustrations of p. palmivora discovered on leaves of phoenix dactylifera (palmae/arecaceae) from terai forest region of uttar pradesh, india. the taxonomic determination was based on morphological characteris...

this study investigated the genetic diversity of morchella species using randomly amplified polymorphic dna markers. morchella species are an important group of edible mushrooms belonging to the family helveliaceae with medicinal and economical significance. in this study we have developed an efficient method of genomic dna isolation which was amplified by eight rapd primers to test the polymor...

background and objectives: the genus malassezia contains an expanding list of lipophilic yeasts involve in the etiology of various superficial fungal infections. pityriasis versicolor (pv) is the most prevalent malassezia -related infection distributed worldwide. in the present study, clinical and epidemiological features of the genus malassezia are discussed with special focus on pv in iran. m...

background: cutaneous leishmaniasis (cl) is a major health problem in many parts of iran, although diagnosis of cl especially in the endemic area is easy, but treatment and management of the disease is a global dilemma. diag-nosis of cl in non-endemic area is not as simple as in endemic foci. in this study, the status and the proportions of cl induced by leishmania major and l. tropica among cl...

background: systemic candidiasis is a major complication in neutropenic cancer patients undergoing treatment. most systemic fungal infections emerge from endogenous microflora so the aim of the present study was to identify candida species isolated from the different regions of body   in neutropenic patients in compare with the control group. methods: a total of 309 neutropenic cancer patients ...

reactive oxygen species cause to release of dormancy in many plants such as sunflower seeds. this study investigated in order to evaluation role of reactive oxygen species germination and lipid proxidation in sunflower seeds. this study was performed in two separate experiments, each in a completely randomized design with factorial design with four replications.  in both experiments, uses from ...

paraschistura ilamensis , new species, is described from the tigris river drainage, iran. it is distinguished from other species of paraschistura in iran by a combination of the following characters: emarginate caudal fin, stout, deep and scaled body, deep caudal peduncle, 7-10 irregular and interrupted vertical pale brown bars on flanks, two obvious dark spots on the upper and lower caudal fin...

the main diatomic structure-forming species of the zayandehrud reservoir was investigated by collecting samples from the surface, five, seven and 10 m depths from january 2011 to october 2012 along four linear transects. asterionella formosa hassall, cyclotella ocellata pantocsek and fragilaria crotonensis kitton were revealed as the three structure-forming species among diatomic algae in the r...