abstract during the winter and spring of 2007 and 2008, 450 samples (leaves of carnation plants) showing symptoms of yellowing, mottling, leaf malformation, and stunting were collected from greenhouses in mashhad and chenaran regions. the samples were tested by das-elisa for the presence of carmv. total rna was extracted by rnxtm (-plus) solution from positive infected samples confirmed in das-...

A molecular analysis of class III peroxidases from cotton (Gossypium hirsutum L.) was undertaken using the sequence of 12 genes available in databanks. Sequence comparison, phylogenetical analysis, and investigation of expression in organs were performed to characterize this group of peroxidases in cotton. All 12 genes possess the characteristics of class III peroxidases, including three conser...

The proliferative kidney organism unknown (PKX), a serious salmonid fish pathogen, is considered to be a myxosporean on the basis of ultrastructural studies, but its real taxonomic position has never been confirmed. In order to ascertain its position, genomic DNA was extracted from PKX and small subunit (SSU) ribosomal DNA was amplified by PCR, cloned and sequenced. A phylogenetical analysis on...

Phylogenetical positions of Sorex specimens unassigned to species from Cheju Island, Korea, and S. caecutiens from southern Korean Peninsula were investigated based on full nucleotide sequences (1,140 bp) of the mitochondrial cytochrome b gene, comparing specimens of the S. caecutiens/shinto group from locations throughout its * Corresponding author: Tel. +81-11-706-7474, Fax. +81-11-706-7142 E...

Most of the allergenic proteins from fruits identified so far belong to different families pathogenesis-related (PR) proteins. These PR have been classified in structurally and functionally unrelated proteins, but majority all fruit allergens three groups, particular PR-5 thaumatin-like (TLP), PR-10 Bet v 1-like PR-14 non-specific lipid transfer (nsTLP). Some can also be found among PR-protein ...

This report surveys data and interpretations presented by speakers in the Arthropod Session of the 1994 BSDB Spring Symposium. After a short review of phylogenetical aspects in premolecular insect embryology, the following topics are discussed: the ancestral germ type of pterygote insects, correlations between oogenesis and embryonic pattern formation, the universality or otherwise of bicoid as...