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Identification of dna components required for induction of cotton leaf curl disease.
A single-stranded DNA molecule approximately 1350 nucleotides in length is identified which, when coinoculated with the begomovirus to cotton, induces symptoms typical of CLCuD, including vein swelling, vein darkening, leaf curling, and enations. Expand
A unique virus complex causes Ageratum yellow vein disease.
- K. Saunders, I. Bedford, R. Briddon, P. Markham, S. Wong, J. Stanley
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 6 June 2000
It is demonstrated that yellow vein disease of A. conyzoides results from co-infection by AYVV DNA A and a circular DNA that is approximately half its size that is designated DNA beta, which represents a satellite-like DNA. Expand
PCR detection, identification to species level, and fingerprinting of Campylobacter jejuni and Campylobacter coli direct from diarrheic samples
- D. Linton, A. Lawson, R. Owen, J. Stanley
- Biology, Medicine
- Journal of clinical microbiology
- 1 October 1997
These PCR assays can rapidly define the occurrence, species incidence, and flaA genotypes of enteropathogenic campylobacters. Expand
Characterisation of Sri Lankan cassava mosaic virus and Indian cassava mosaic virus: evidence for acquisition of a DNA B component by a monopartite begomovirus.
SLCMV DNA A has biological characteristics of a monopartite begomovirus, and the virus probably evolved by acquisition of a DNA B component from ICMV, which was transmitted with low efficiency from cassava to Nicotiana benthamiana. Expand
Geminivirus disease complexes: an emerging threat.
Small circular single-stranded DNA satellites have recently been isolated from plants infected with whitefly-transmitted monopartite begomoviruses, suggesting that these disease complexes pose a serious threat to tropical and sub-tropical agro-ecosystems worldwide. Expand
Virology division news: Revision of taxonomic criteria for species demarcation in the family Geminiviridae, and an updated list of begomovirus species
Members of the family Geminiviridae characteristically have circular single-stranded DNAgenomes packaged within twinned (so-called geminate) particles that cause yield losses to many crop plants throughout the world. Expand
Rapid identification by PCR of the genus Campylobacter and of five Campylobacter species enteropathogenic for man and animals.
The nucleotide sequences for the 16S ribosomal RNA gene were compared for 33 species comprising the epsilon subdivision of the Proteobacteria (genera: Campylobacter, Helicobacter, Arcobacter and… Expand
Helicobacter pullorum sp. nov.-genotype and phenotype of a new species isolated from poultry and from human patients with gastroenteritis.
Campylobacter-like organisms isolated from the liver, duodenum and caecum of broiler and layer chickens, and from humans with gastroenteritis, formed a unique DNA homology group and a polyphasic taxonomic analysis identified them as belonging to a single species, within the genus Helicobacter. Expand
Subviral agents associated with plant single-stranded DNA viruses.
There is a pressing need to develop a more comprehensive picture of the diversity and distribution of the disease complexes and a greater understanding of how they elicit the host response may provide useful information for their control as well as an insight into plant developmental processes. Expand
Nucleotide sequence of cassava latent virus DNA
Results show that CLV DNA comprises two similar-sized molecular species with a common region encompassing almost 200 nucleotides, and is a fundamental step towards the investigation of the mode of replication of this group of viruses. Expand