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10.3390/plants10122673
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Article

Complete Mitogenomes of Two Aragoa Species and Phylogeny of Plantagineae (Plantaginaceae, Lamiales) Using Mitochondrial Genes and the Nuclear Ribosomal RNA Repeat

by
Jeffrey P. Mower
1,2,*,
Lilly Hanley
1,
Kirsten Wolff
3,
Natalia Pabón-Mora
4 and
Favio González
5
1
Center for Plant Science Innovation, University of Nebraska, Lincoln, NE 68588, USA
2
Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583, USA
3
School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
4
Instituto de Biología, Universidad de Antioquia, Medellín 050010, Colombia
5
Sede Bogotá, Facultad de Ciencias, Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá 111321, Colombia
*
Author to whom correspondence should be addressed.
Plants 2021, 10(12), 2673; https://doi.org/10.3390/plants10122673
Submission received: 18 November 2021 / Revised: 1 December 2021 / Accepted: 2 December 2021 / Published: 5 December 2021
(This article belongs to the Special Issue Diversity and Phylogeny of Plantaginaceae)
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Abstract

Aragoa, comprising 19 high-altitude North Andean species, is one of three genera in the Plantagineae (Plantaginaceae, Lamiales), along with Littorella and Plantago. Based primarily on plastid data and nuclear ITS, Aragoa is sister to a clade of Littorella + Plantago, but Plantagineae relationships have yet to be assessed using multigene datasets from the nuclear and mitochondrial genomes. Here, complete mitogenomes were assembled for two species of Aragoa (A. abietina and A. cleefii). The mitogenomes of both species have a typical suite of genes for 34 proteins, 17 tRNAs, and three rRNAs. The A. abietina mitogenome assembled into a simple circular map, with no large repeats capable of producing alternative isoforms. The A. cleefii mitogenomic map was more complex, involving two circular maps bridged by a substoichiometric linear fragment. Phylogenetics of three mitochondrial genes or the nuclear rRNA repeat placed Aragoa as sister to Littorella + Plantago, consistent with previous studies. However, P. nubicola, the sole representative of subg. Bougueria, was nested within subg. Psyllium based on the mitochondrial and nuclear data, conflicting with plastid-based analyses. Phylogenetics of the nuclear rRNA repeat provided better resolution overall, whereas relationships from mitochondrial data were hindered by extensive substitution rate variation among lineages.
Keywords: Aragoa; mitochondrial genome; nuclear rRNA; phylogenetics; Plantagineae Aragoa; mitochondrial genome; nuclear rRNA; phylogenetics; Plantagineae

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MDPI and ACS Style

Mower, J.P.; Hanley, L.; Wolff, K.; Pabón-Mora, N.; González, F. Complete Mitogenomes of Two Aragoa Species and Phylogeny of Plantagineae (Plantaginaceae, Lamiales) Using Mitochondrial Genes and the Nuclear Ribosomal RNA Repeat. Plants 2021, 10, 2673. https://doi.org/10.3390/plants10122673

AMA Style

Mower JP, Hanley L, Wolff K, Pabón-Mora N, González F. Complete Mitogenomes of Two Aragoa Species and Phylogeny of Plantagineae (Plantaginaceae, Lamiales) Using Mitochondrial Genes and the Nuclear Ribosomal RNA Repeat. Plants. 2021; 10(12):2673. https://doi.org/10.3390/plants10122673

Chicago/Turabian Style

Mower, Jeffrey P., Lilly Hanley, Kirsten Wolff, Natalia Pabón-Mora, and Favio González. 2021. "Complete Mitogenomes of Two Aragoa Species and Phylogeny of Plantagineae (Plantaginaceae, Lamiales) Using Mitochondrial Genes and the Nuclear Ribosomal RNA Repeat" Plants 10, no. 12: 2673. https://doi.org/10.3390/plants10122673

APA Style

Mower, J. P., Hanley, L., Wolff, K., Pabón-Mora, N., & González, F. (2021). Complete Mitogenomes of Two Aragoa Species and Phylogeny of Plantagineae (Plantaginaceae, Lamiales) Using Mitochondrial Genes and the Nuclear Ribosomal RNA Repeat. Plants, 10(12), 2673. https://doi.org/10.3390/plants10122673

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