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Genes coding for elongation factors G (fus) and Tu (tuf) of the non-culturable apple proliferation (AP) phytoplasma were cloned and sequenced. Arrangement of these genes and identification of the ribosomal protein gene rps7 upstream of the fus gene suggest a transcriptional organization similar to that of the streptomycin operon of Escherichia coli and other bacteria. The fus and tuf genes from other...
To obtain an understanding of the origin, diversification and genomic organization of vertebrate olfactory receptor genes, we have newly cloned and characterized putative olfactory receptor genes, mfOR1, mfOR2, mfOR3 and mfOR4 from the genomic DNA of medaka fish (Oryzias latipes). The four sequences contained features commonly seen in known olfactory receptor genes and were phylogenetically most closely...
The molecular evolution of two components of elongation factor-1 (EF-1), EF-1β and EF-1δ was analysed using the distance matrix, the maximum parsimony and the maximum likelihood methods, after careful alignment of protein and cDNA sequences. The topology of the phylogenetic trees obtained supports monophyly of plant EF-1β and EF-1β' sequences, and monophyly of higher eukaryotic animal EF-1β and EF-1δ...
The Arabidopsis thaliana SPL gene family represents a group of structurally diverse genes encoding putative transcription factors found apparently only in plants. The distinguishing characteristic of the SPL gene family is the SBP-box encoding a conserved protein domain of 76 amino acids in length, the SBP-domain, which is responsible for the interaction with DNA. We present here characterisation...
The complete sequence of the Atlantic salmon (Salmo salar) mitochondrial genome has been determined. The entire sequence is 16665 base pairs (bp) in length, with a gene content (13 protein-coding, two ribosomal RNA [rRNA] and 22 transfer RNA [tRNA] genes) and order conforming to that observed in most other vertebrates. Base composition and codon usage have been detailed. Nucleotide and derived amino...
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