scholarly journals Comparative analysis of nucleotide sequences of 5.8S nuclear ribosomal DNA of 30 plant species

1997 ◽  
Vol 13 (2) ◽  
pp. 150-156
Author(s):  
S. I. Komarnitsky
Keyword(s):  
Comparative Analysis ◽  
Plant Species ◽  
Ribosomal Dna ◽  
Nucleotide Sequences ◽  
Nuclear Ribosomal Dna

scholarly journals Identification of A Heath-leaved Cypress Cultivar Based on Sequences of Nuclear Ribosomal DNA

HortScience ◽  
2004 ◽  
Vol 39 (6) ◽  
pp. 1217-1219
Author(s):  
Jianhua Li ◽  
Jeremy Ledger ◽  
Peter Del Tredici ◽  
Donglin Zhang
Keyword(s):  
Ribosomal Dna ◽  
Wood Anatomy ◽  
Molecular Data ◽  
Nucleotide Sequences ◽  
Nuclear Ribosomal Dna ◽  
Parent Species ◽  
Genetic Affinity ◽  
Chamaecyparis Thyoides

The identity of heath-leaved cypress is controversial. In this study nucleotide sequences of nuclear ribosomal DNA were used to identify heath-leaved cypress (Chamaecyparis `Ericoides') species. Sixteen individuals were sampled representing the five species of Chamaecyparis, `Ericoides', and four other genera of Cupressaceae (Cupressus, Fokienia, Juniperus, and Thuja). The results placed `Ericoides' unequivocally to Chamaecyparis thyoides, supporting a conclusion derived from wood anatomy. This study supports the usefulness and integrity of using molecular data to identify the genetic affinity of cultivars that are morphologically different from the parent species.

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