abstract beet yellows virus (byv), the type member of the genus closterovirus and one of the most economically important yellowing viruses, causes serious losses in sugarbeet. in order to study infection and distribution of beet yellows virus during summer 2007, about 530 samples were collected from beet’s fields in razavi khorasan province (fariman, torbate jam, ghoochan, chenaran, torbate hey...

zucchini yellow mosaic virus (zymv) is a potyvirus with a worldwide distribution. this virus causes serious economic losses in iran in many cucurbits. during 2002-2003, sam-ples were collected from squash fields in tehran province. five isolates (z1, z2, z3, z4 and z5) were inoculated on 27 species of cucurbitaceae, chenopodiaceae, amarantha-ceae,solanacae, leguminosae and ranunculaceae. chenop...

abstract in 2004 and 2005 growing seasons, 260 bean leaf samples with mosaic, vein-banding, and leaf-rolling symptoms were collected from bean fields of fars, kohgiluye va boyer-ahmad, isfahan and tehran provinces. elisa test (das-elisa and indirect-elisa), using bcmv antiserum, confirmed infection of 110 samples to bcmv. a selected isolate of bcmv from fars province was inoculated on three bea...

cucumber mosaic virus (cmv) is one of the causal agents of viral diseases that infected mint (mentha spp.). cmv is a member of the cucumovirus genus in  bromoviridae family. the virus is naturally transmitted by aphids in a non-persistent manner.during  growing season 2007-2008, leaf samples from plants of mint fields with symptoms of viral disease were collected in mint fieldas in tehran provi...

patients and methods five hundred and sixteen serum samples of the patients undergoing hemodialysis and kidney transplantation from various cities of khuzestan province were collected. anti-hepatitis g e2 antibodies were investigated by elisa method. rnas were extracted from serums and hepatitis g rna was detected by rt-pcr. results of the 516 samples, 38 (7.36%) specimens were positive for ant...

Diagnosis of Tomato spotted wilt virus (TSWV) in peanut can be accomplished by enzyme-linked immunosorbent assay (ELISA) or reverse transcription polymerase chain reaction (RT-PCR) but there has been no report of a direct comparison of the success of the two assays in evaluating infection rates of field-grown peanut. We collected peanut root samples from field-grown plants, 76 in 2006 and 48 in...

Background: Epstein-Barr virus (EBV)-associated post-transplant lymphoproliferative disorder (EBV-PTLD) is a known and serious condition for the hematopoietic stem cell transplantation. This study evaluated the prevalence of EBV in umbilical cord samples of healthy pregnant women in Baghdad, Iraq.  Methods: 800 umbilical cord blood (UCB) samples were collected from healthy pregnant women. The ...