Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing

We previously reported that nrITS sequencing and phylogenetic analysis revealed at least four cryptic species within Brachycladium nummularium (syn. Oreophilus nummularius). Sequencing of additional species in the genus revealed two major clades within Brachycladium, the “nummularium”-complex plus B...

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Autores principales:	Wilson, Mark, Jost, Lou
Formato:	Online
Idioma:	spa
Publicado:	Universidad de Costa Rica 2011
Acceso en línea:	https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/18305

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spelling	LANKESTERIANA183052022-07-20T01:12:58Z Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing Wilson, Mark Jost, Lou We previously reported that nrITS sequencing and phylogenetic analysis revealed at least four cryptic species within Brachycladium nummularium (syn. Oreophilus nummularius). Sequencing of additional species in the genus revealed two major clades within Brachycladium, the “nummularium”-complex plus B. stalactites and Luer’s section Amplectentes. Since the relationship of Brachycladium to Andinia had been noted earlier, a number of Andinia species were also included. Two clades were observed, a clade containing A. lappacea, A. pensilis, and A. vestigipetala that was closely related to Brachycladium and a second, more distantly related clade containing A. dalstroemii, A. pogonion, and A. schizopogon. Samples of two additional genera, Masdevalliantha Szlachetko & Margonska and Xenosia Luer, were included in the analysis based upon morphological similarity to Andinia. These two genera formed a clade that was sister to both Brachycladium and Andinia. Only the node subtending clades of all four genera had a high level of bootstrap support, whereas nodes subtending clades of Brachycladium plus Andinia, or Brachycladium alone, had much lower support. If future chloroplast sequencing produces phylogenies congruent with nrITS, this would indicate that Andinia, Brachycladium (syn. Oreophilus), Masdevalliantha, and Xenosia should all be placed in the same genus. We previously reported that nrITS sequencing and phylogenetic analysis revealed at least four cryptic species within Brachycladium nummularium (syn. Oreophilus nummularius). Sequencing of additional species in the genus revealed two major clades within Brachycladium, the “nummularium”-complex plus B. stalactites and Luer’s section Amplectentes. Since the relationship of Brachycladium to Andinia had been noted earlier, a number of Andinia species were also included. Two clades were observed, a clade containing A. lappacea, A. pensilis, and A. vestigipetala that was closely related to Brachycladium and a second, more distantly related clade containing A. dalstroemii, A. pogonion, and A. schizopogon. Samples of two additional genera, Masdevalliantha Szlachetko & Margonska and Xenosia Luer, were included in the analysis based upon morphological similarity to Andinia. These two genera formed a clade that was sister to both Brachycladium and Andinia. Only the node subtending clades of all four genera had a high level of bootstrap support, whereas nodes subtending clades of Brachycladium plus Andinia, or Brachycladium alone, had much lower support. If future chloroplast sequencing produces phylogenies congruent with nrITS, this would indicate that Andinia, Brachycladium (syn. Oreophilus), Masdevalliantha, and Xenosia should all be placed in the same genus. Universidad de Costa Rica 2011-11-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/18305 10.15517/lank.v11i3.18305 Lankesteriana: International Journal on Orchidology; 2011: Lankesteriana: Volumen 11, Número 3 Lankesteriana: International Journal on Orchidology; 2011: Lankesteriana: Volumen 11, Número 3 2215-2067 1409-3871 spa https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/18305/18493
institution	Universidad de Costa Rica
collection	Lankesteriana: International Journal on Orchidology
language	spa
format	Online
author	Wilson, Mark Jost, Lou
spellingShingle	Wilson, Mark Jost, Lou Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
author_facet	Wilson, Mark Jost, Lou
author_sort	Wilson, Mark
description	We previously reported that nrITS sequencing and phylogenetic analysis revealed at least four cryptic species within Brachycladium nummularium (syn. Oreophilus nummularius). Sequencing of additional species in the genus revealed two major clades within Brachycladium, the “nummularium”-complex plus B. stalactites and Luer’s section Amplectentes. Since the relationship of Brachycladium to Andinia had been noted earlier, a number of Andinia species were also included. Two clades were observed, a clade containing A. lappacea, A. pensilis, and A. vestigipetala that was closely related to Brachycladium and a second, more distantly related clade containing A. dalstroemii, A. pogonion, and A. schizopogon. Samples of two additional genera, Masdevalliantha Szlachetko & Margonska and Xenosia Luer, were included in the analysis based upon morphological similarity to Andinia. These two genera formed a clade that was sister to both Brachycladium and Andinia. Only the node subtending clades of all four genera had a high level of bootstrap support, whereas nodes subtending clades of Brachycladium plus Andinia, or Brachycladium alone, had much lower support. If future chloroplast sequencing produces phylogenies congruent with nrITS, this would indicate that Andinia, Brachycladium (syn. Oreophilus), Masdevalliantha, and Xenosia should all be placed in the same genus.
title	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
title_short	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
title_full	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
title_fullStr	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
title_full_unstemmed	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
title_sort	phylogenetic analysis of the andean genus brachycladium luer (syn. oreophilus higgins & archila) and closely related genera based on nuclear its sequencing
title_alt	Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing
publisher	Universidad de Costa Rica
publishDate	2011
url	https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/18305
work_keys_str_mv	AT wilsonmark phylogeneticanalysisoftheandeangenusbrachycladiumluersynoreophilushigginsarchilaandcloselyrelatedgenerabasedonnuclearitssequencing AT jostlou phylogeneticanalysisoftheandeangenusbrachycladiumluersynoreophilushigginsarchilaandcloselyrelatedgenerabasedonnuclearitssequencing
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Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing

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