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GrainGenes Reference Report: PMB-22-887

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Reference	PMB-22-887
Title	Structure of the intergenic spacer region from the ribisomal RNA gene family of white spruce (Picea glauca)
Journal	Plant Molecular Biology
Year	1993
Volume	22
Pages	887-892
Author	Beech R Strobeck C
Abstract	Five genomic clones containing ribosomal DNA repeats from the gymnosperm white spruce (Picea glauca) have been isolated and characterized by restriction enzyme analysis No nucleotide variation or length variation was detected within the region encoding the ribosomal RNAs Four clones which contained the intergenic spacer (IGS) region from different rDNA repeats were further characterized to reveal the sub-repeat structure within the IGS The sub-repeats were unusually long, ranging from 540 to 990 bp but in all other respects the structure of the IGS was very similar to the organization of the IGS from wheat, Drosophila and Xenopus
Keyword	[ Hide all but 1 of 10 ] genetic variation length multigene-families nucleotide sequence picea-glauca repetitive dna restriction mapping ribosomal dna ribosomal-rna structural genes

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