Physical Mapping of 18S-26S and 5S rRNA Gene Families in Two Alkaloidal Plants, Papaver Somniferum and Hyoscyamus Niger
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چکیده
منابع مشابه
Physical mapping of 5S and 18S-5.8S-26S RNA gene families in polyploid series of Cenchrus ciliaris Linnaeus, 1771 (Poaceae)
The Buffelgrass (Cenchrus ciliaris L., Poaceae) is one of the most important pasturage grasses due to its high productivity and good forage qualities. This species possess a high adaptability to bioclimatic constraints of arid zones and may be used for the restoration of degraded arid ecosystems. Tunisian populations present three ploidy levels (4x, 5x and 6x) with a basic chromosome number x=9...
متن کاملKaryotype characterization of Crotalaria juncea (L.) by chromosome banding and physical mapping of 18S-5.8S-26S and 5S rRNA gene sites
The chromosomes of Crotalaria juncea, a legume of agronomic interest with a 2n = 16 karyotype composed of metacentric chromosomes, were analyzed using several cytogenetic techniques. C-banding revealed heterochromatic regions around the centromeres in all chromosomes and adjacent to the secondary constriction on the chromosome 1 short arm. Fluorescent staining with the GC-specific chromomycin A...
متن کاملCompilation of 5S rRNA and 5S rRNA gene sequences
This is an update for the 5S rRNA sequences of the BERLIN RNA DATABANK last published in 1990 (1). The new entry consists of 25 eubacterial and 2 eukaryotic 5S rRNA sequences and 10 plant 5S rRNA pseudogenes (Table 1). Thus the BERLIN RNA DATABANK contains as of February 1, 1991 the 5S rRNA sequences of 44 archaebacteria, 292 eubacteria, 20 plastids, 6 mitochondria, 321 eukaryotes and 21 eukary...
متن کاملAnalysis of volatiles and 18S rRNA gene of Haplophyllum canaliculatum in in vitro cultures
Background and objectives: Haplophyllum canaliculatum isan endemicand endangeredIranian plant from Rutaceae family. The object of this work was to study the volatile production in established shoot and callus cultures of Haplophyllum canaliculatum as well as isolation, identification and sequencing of 18S rRNA gene from callus culture. ...
متن کاملPhysical mapping of 5S and 18S-25S rDNA and repetitive DNA sequences in Aegilops umbellulata.
An accurate physical map of the location of the 5S and the 18S-5.8S-25S rRNA genes and a repetitive DNA sequence has been produced on Aegilops umbellulata Zhuk., (2n = 2x = 14) chromosomes by in situ hybridization. Chromosome morphology together with the hybridization pattern of pSc119.2, a DNA sequence from rye, allowed identification and discrimination of different chromosomes; pSc119.2 hybri...
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ژورنال
عنوان ژورنال: Hereditas
سال: 2004
ISSN: 0018-0661
DOI: 10.1111/j.1601-5223.1998.00273.x