Non-protein amino acid-accumulating clade

Non-protein amino acid-accumulating clade
	Canavalia ensiformis, from which canavanine was first isolated
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
(unranked):	Meso-Papilionoideae
(unranked):	Non-protein amino; acid-accumulating clade; (Wojciechowski et al. 2004)[1] Cardoso et al. 2012[2]
Clades[3][4]
	Hologalegina; Hypocalypteae; Indigofereae; Millettioids; Mirbelioids; Cicereae; Phaseoleae;
Synonyms
	Canavanine-accumulating clade; NPAAA clade;

The non-protein amino acid-accumulating clade is a monophyletic clade of the flowering plant subfamily Faboideae (or Papilionoideae) that includes the majority of agriculturally-cultivated legumes. It is characterized by the accumulation of the non-proteinogenic amino acid canavanine in the seeds—a deterrent against herbivory. This phylogenetic trait was first recognized in the early 1980s.[5] This clade is consistently resolved in molecular phylogenies.[1][2][4] It contains many economically important genera, including Cicer, Glycine, Medicago, Phaseolus, Trifolium, Vicia, and Vigna.

Description

This clade circumscribes five subordinate clades: two traditional tribes (Hypocalypteae and Indigofereae) and three informal clades (the mirbelioids, the millettioids, and Hologalegina), as well as several minor taxa.[4] The name of this clade is informal and is not assumed to have any particular taxonomic rank like the names authorized by the ICBN or the ICPN.[3] The clade does not currently have a node-based definition.

References

Wojciechowski MF, Lavin M, Sanderson MJ (2004). "A phylogeny of legumes (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family". Am J Bot. 91 (11): 1846–862. doi:10.3732/ajb.91.11.1846. PMID 21652332.
Cardoso D, de Queiroz LP, Pennington RT, de Lima HC, Fonty É, Wojciechowski MF, Lavin M (2012). "Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages". Am J Bot. 99 (12): 1991–2013. doi:10.3732/ajb.1200380. PMID 23221500.
Wojciechowski MF. (2013). "Towards a new classification of Leguminosae: Naming clades using non-Linnaean phylogenetic nomenclature". S Afr J Bot. 89: 85–93. doi:10.1016/j.sajb.2013.06.017.
Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes" (PDF). S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.
Bell EA. (1981). "Non-protein amino acids in the Leguminosae". In Polhill RM, Raven PH (eds.). Advances in Legume Systematics, Part 2. Kew, UK: Royal Botanic Gardens. pp. 489–499. ISBN 9780855212247.

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[Wojciechowski1-1] Wojciechowski MF, Lavin M, Sanderson MJ (2004). "A phylogeny of legumes (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family". Am J Bot. 91 (11): 1846–862. doi:10.3732/ajb.91.11.1846. PMID 21652332.

[Cardoso1-2] Cardoso D, de Queiroz LP, Pennington RT, de Lima HC, Fonty É, Wojciechowski MF, Lavin M (2012). "Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages". Am J Bot. 99 (12): 1991–2013. doi:10.3732/ajb.1200380. PMID 23221500.

[Wojciechowski2-3] Wojciechowski MF. (2013). "Towards a new classification of Leguminosae: Naming clades using non-Linnaean phylogenetic nomenclature". S Afr J Bot. 89: 85–93. doi:10.1016/j.sajb.2013.06.017.

[Cardoso2-4] Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes" (PDF). S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.

[Bell-5] Bell EA. (1981). "Non-protein amino acids in the Leguminosae". In Polhill RM, Raven PH (eds.). Advances in Legume Systematics, Part 2. Kew, UK: Royal Botanic Gardens. pp. 489–499. ISBN 9780855212247.