The chloroplast tRNALys(UUU) gene from mustard (Sinapis alba) contains a class II intron potentially coding for a maturase-related polypeptide

Neuhaus, H.; Link, Gerhard

doi:10.1007/bf00355398

Cited by 172 publications

(108 citation statements)

References 44 publications

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“…Similar results, that is, the finding of 0.8%-1.9% diversity among four Astragalus species, were also presented by . Lower diversity was expected in the matK than in the ITS region since this region is an exon and is responsible for production of a maturase-like protein (Neuhaus and Link, 1987). Even if the ITS region carries an exonic region (5.8S), it also carries two intronic areas (ITS1-2) on each side of the exonic area, and so a higher genetic divergence is expected in the ITS.…”

Section: Discussionmentioning

confidence: 99%

Phylogenetic relationships between Oxytropis DC. and Astragalus L.species native to an Old World diversity center inferred from nuclear ribosomal ITS and plastid matK gene sequences

Tekpinar¹,

Erkul²,

Aytaç³

et al. 2016

Turk J Biol

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Oxytropis and Astragalus represent one of the largest angiosperm genera complexes. Although phylogenetic studies of this complex exist, the evolutionary relationships among Astragalus and Oxytropis species sharing similar habitats in the Old World have not been studied in detail. The phylogenetic relationships among 13 Oxytropis and 56 Astragalus species native to Turkey were inferred from nucleotide sequence variations in the nuclear ribosomal internal transcribed spacer (ITS) and chloroplast maturase-like protein (matK) gene regions. In addition to our samples, 36 Oxytropis ITS and 6 Oxytropis matK sequences were retrieved from GenBank and included in the analysis. Phylogenies derived from a maximum likelihood analysis of the sequences indicated that Oxytropis and Astragalus genera are more likely monophyletic. However, the results suggest that New World Oxytropis species did not evolve by a single adaptive radiation in the genus, but rather from different Old World lineages. The genetic divergence between genera was less when the matK region was analyzed. Although the Oxytropis species did not show high genetic diversity, one subcluster of the genus was always distinctly separated in both trees. This subcluster was formed by the species Oxytropis engizekensis Duman & Vural and O. persica Boiss., which are also regarded as synonyms in regard to several morphological characters of the genus.

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Section: Discussionmentioning

confidence: 99%

Phylogenetic relationships between Oxytropis DC. and Astragalus L.species native to an Old World diversity center inferred from nuclear ribosomal ITS and plastid matK gene sequences

Tekpinar¹,

Erkul²,

Aytaç³

et al. 2016

Turk J Biol

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“…To address the issues of outgroup choice and the family placement of the genus Monotes , we have also included one species from the Tiliaceae family: Tilia kiusiana . The chloroplast DNA (cpDNA) used in the present study included the following three regions: trnL-trnF spacer, trnL intron and the partial region of the matK gene, which encodes a splicing-associated maturase (Neuhaus, and Link, 1987).…”

Section: Introductionmentioning

confidence: 99%

Comprehensive Molecular Phylogeny of the Sub-Family Dipterocarpoideae (Dipterocarpaceae) Based on Chloroplast DNA Sequences

et al. 2006

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Dipterocarpoideae, the largest sub-family of well-known plant family Dipterocarpaceae, dominates in South Asian rain forests. Although several previous studies addressed the phylogeny of the Dipterocarpaceae family, relationships among many of its genera from the Dipterocarpoideae sub-family are still not well understood. In particular, little is known about the relationships of the genera Vateriopsis , Stemonoporus , Vateria and inconsistence remains between phylogenetic results and taxonomic classifications of Shorea and Hopea species. We studied molecular phylogeny of the sub-family Dipterocarpoideae using the trnL-trnF spacer, trnL intron and the matK gene sequences of chloroplast DNA (cpDNA). This study is the first comprehensive phylogeny reconstruction for the sub-family Dipterocarpoideae based on cpDNA, as it includes most genera (14) and a large number of species (79) with most species endemic to Sri Lanka, as well as one species from Seychelles and one species from the genus Monotes from Madagascar. Phylogenetic trees were constructed using the Neighbor Joining (NJ) and Maximum Likelihood (ML) methods using combined set of sequences including all three cpDNA regions. The topologies of the NJ and ML trees were to a certain extent, consistent with the current taxonomy of Dipterocarpoideae based on morphology and with previous molecular phylogenies based on cpDNA. Furthermore, our results provided new evidence regarding the relationships of the following genera: Vateriopsis and Stemonoporus and about the validity of the previous morphology based classifications of Shorea species. In addition, the topology of our trees was consistent with the classification of Shorea species proposed by Maury (1978), Maury-Lechon (1979) and Symington (1943). Finally, our results provided evidence for the affinity of the genus Monotes to Asian Dipterocarpoideae rather than to Tiliaceae and indicated that it is a good candidate for outgroup species for future studies of the former sub-family.

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“…We amplified approximately 1500 bp of sequence from the 3 0 end of the matK gene (and trnK intron; see Fig. 1) from the chloroplast genome (Hilu and Liang, 1997;Neuhaus and Link, 1987;Olmstead and Palmer, 1994), and used the data to reconstruct a more detailed phylogeny of the Casuarinaceae. This phylogenetic framework was used to to examine the evolution of xeromorphy in Casuarinaceae: did it arise just once before the divergence of Ceuthostoma, Allocasuarina, and Casuarina, or did it arise more than once, with Ceuthostoma acquiring xeromorphic characters in parallel with Casuarina and Allocasuarina?…”

Section: Introductionmentioning

confidence: 99%

Using matK sequence data to unravel the phylogeny of Casuarinaceae

Steane

Wilson

Hill

2003

Molecular Phylogenetics and Evolution

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Casuarinaceae are a Gondwanic family with a unique combination of morphological characters not comparable to any other family. Until recently, the 96 species in the family were classified in a single genus, Casuarina s.l. A recent morphological revision of the family resulted in the splitting of Casuarina s.l. into four genera-Allocasuarina, Casuarina s.s., Ceuthostoma, and Gymnostoma. This study uses matK sequence data from 76 species of Casuarinaceae and eight outgroup taxa to examine the phylogenetic structure within the Casuarinaceae. The study demonstrates the monophyly of the four genera and examines the relationships within the family; it tests the validity of the infra-generic subdivision of Allocasuarina; it discovers geography-based infra-generic subdivisions within Gymnostoma and Casuarina; and, finally, provides a molecular framework on which to trace the evolution of xeromorphy in the Casuarinaceae. Crown

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The chloroplast tRNALys(UUU) gene from mustard (Sinapis alba) contains a class II intron potentially coding for a maturase-related polypeptide

Cited by 172 publications

References 44 publications

Phylogenetic relationships between Oxytropis DC. and Astragalus L.species native to an Old World diversity center inferred from nuclear ribosomal ITS and plastid matK gene sequences

Phylogenetic relationships between Oxytropis DC. and Astragalus L.species native to an Old World diversity center inferred from nuclear ribosomal ITS and plastid matK gene sequences

Comprehensive Molecular Phylogeny of the Sub-Family Dipterocarpoideae (Dipterocarpaceae) Based on Chloroplast DNA Sequences

Using matK sequence data to unravel the phylogeny of Casuarinaceae

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