Conservation patterns in angiosperm rDNA ITS2 sequences
نویسندگان
چکیده
منابع مشابه
Phylogenetic analysis of Phlebotomus species belonging to the subgenus Larroussius (Diptera, psychodidae) by ITS2 rDNA sequences.
In the genealogy of Phlebotomus (Diptera: Psychodidae), morphological analyses have indicated that the subgenus Larroussius is a monophyletic group which is most closely related to the subgenera Transphlebotomus and Adlerius. We conducted a phylogenetic analysis of the relationships among six representative species of the subgenus Larroussius and one species representatitive of the Phlebotomus ...
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Commiphora wightii is an endangered, endemic species found in the Thar Desert of Rajasthan, India and adjoining areas of Pakistan. The populations of this plant are rapidly dwindling due to overexploitation for their medicinally important resin. Analysis of nucleotide sequences of the internal transcribed spacer of rDNAs revealed low genetic diversity ( = 0.03905; w = 0.05418) and high popula...
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The two internal transcribed spacers (ITS) of the nuclear ribosomal (r) DNA tandem repeat were examined in ophiostomatoid fungi belonging to the genera Grosmannia and Leptographium and closely-related taxa. Although the DNA sequence of the ITS region evolves rapidly, core features of the RNA secondary structure of the ITS1 and ITS2 segments are conserved. The results demonstrate that structural...
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Extensive, programmed chromosome breakage occurs during formation of the somatic macronucleus of ciliated protozoa. The cis-acting signal directing breakage has been most rigorously defined in Tetrahymena thermophila, where it consists of a 15-bp DNA sequence known as Cbs, for chromosome breakage sequence. We have identified sequences identical or nearly identical to the T. thermophila Cbs at s...
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Phylogenetic relations among 12 wild species of almonds, one cultivated almond and one species of peach were investigated by using of ITS1-5.8S rDNA-ITS2 sequences and trnL region of chloroplast DNA. To do this, maximum-parsimony and neighbor joining analysis adopted. Results of ITS data showed that studied species of Prunus only divided in two groups but incapable to separate different section...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1996
ISSN: 1362-4962
DOI: 10.1093/nar/24.15.2857