1,721,046 research outputs found
SEQUENCE ANALYSIS OF A CONTINUOUS MITOCHONDRIAL DNA REGION (20,374 bp) OF FERN Asplenium nidus
No full textPurificazione e caratterizzazione della ribulosio 1-5 difosfato carbossilasi da foglie di carciofo. I) Isolamento e purificazione
No full textCHROMATOGRAPHIC-SEPARATION OF DNA-DEPENDENT RNA-POLYMERASE AND POLY(A) POLYMERASE FROM RAT-LIVER MITOCHONDRIA
No full textApplication of a genome walking method for the study of the spinach Lhcb1 multigene family
No full textHIGH SIMILARITY OF GENE CONTENT AND ORGANIZATION OF A. nidus (PTERIDOPHYTA) AND SPERMATOPHYTAE MITOCHONDRIAL GENOMES
No full textTranscription of two sunflower (Helianthus annuus L.) mitochondrial tRNA genes having different genetic origins.
No full textThe divergent transcription of two tRNA genes encoded in sunflower mitochondrial DNA, proposed as genes of different genetic origin, has been studied in detail. The transcription initiation site (TIS) for both transcript precursors has been identified by hybridization with in vitro 32P-capped total RNAs and primer extension. The location of two TISs and the analysis of distribution of sequence elements (motifs) usually present in higher plant mitochondrial promoters led to the identification of two short regions (about 30–40 bp) which can be proposed as the promoters for the transcription of two genes. This conclusion is supported by the observation that within the short intergenic region included between the 5′ termini of two genes (1924 bp) the distribution of those specific motifs is unique around the TISs, although not identical for the two promoters. Based on specific experimental results the trnE promoter shows a higher efficiency in comparison with that of the trnH promoter. This result is in good agreement with its structure which strictly conforms to those described for mitochondrial genes of dicot plants. Instead the other promoter shows some divergences which could be responsible for its lower efficiency. The context in which trnH lies in the sunflower mitochondrial genome and other features described in the paper may suggest that, despite the high similarity with the chloroplast counterpart, the trnH gene could have a native origin
Preliminary evidences for the presence of cpdna inserts on the mitochondrial genome of a pteridophyta (Asplenium nidus)
No full textThe organization of mitochondrial coxII gene in advanced and archaic dicot plants (Heliantus annuus and Magnolia grandiflora)
No full textIdentification of isoformic genes coding for the allergenic lipid transfer protein (LTP) in plants
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