Molecular phylogeny and systematics of the banana family (Musaceae) inferred from multiple nuclear and chloroplast DNA fragments, with a special reference to the genus Musa.

TitleMolecular phylogeny and systematics of the banana family (Musaceae) inferred from multiple nuclear and chloroplast DNA fragments, with a special reference to the genus Musa.
Publication TypeJournal Article
Year of Publication2010
AuthorsLi L-F, Häkkinen M, Yuan Y-M, Hao G, Ge X-J
JournalMol Phylogenet Evol
Volume57
Issue1
Pagination1-10
Date Published2010 Oct
ISSN1095-9513
KeywordsDNA, Chloroplast, DNA, Plant, DNA, Ribosomal Spacer, Musa, Musaceae, Phylogeny, Sequence Alignment, Sequence Analysis, DNA
Abstract

<p>Musaceae is a small paleotropical family. Three genera have been recognised within this family although the generic delimitations remain controversial. Most species of the family (around 65 species) have been placed under the genus Musa and its infrageneric classification has long been disputed. In this study, we obtained nuclear ribosomal ITS and chloroplast (atpB-rbcL, rps16, and trnL-F) DNA sequences of 36 species (42 accessions of ingroups representing three genera) together with 10 accessions of ingroups retrieved from GenBank database and 4 accessions of outgroups, to construct the phylogeny of the family, with a special reference to the infrageneric classification of the genus Musa. Our phylogenetic analyses elaborated previous results in supporting the monophyly of the family and suggested that Musella and Ensete may be congeneric or at least closely related, but refuted the previous infrageneric classification of Musa. None of the five sections of Musa previously defined based on morphology was recovered as monophyletic group in the molecular phylogeny. Two infrageneric clades were identified, which corresponded well to the basic chromosome numbers of x=11 and 10/9/7, respectively: the former clade comprises species from the sections Musa and Rhodochlamys while the latter contains sections of Callimusa, Australimusa, and Ingentimusa.</p>

DOI10.1016/j.ympev.2010.06.021
Alternate JournalMol. Phylogenet. Evol.
PubMed ID20601004
Showing 10 of 10 accessions
Accession Name Pictures Accession number Species / Group SubSpecies / SubGroup Origin Collection Available for distribution
Agutay ITC1028 acuminata Unknown Unknown ITC
Calcutta 4 ITC0249 acuminata subsp. burmannicoides India ITC
Khae (Phrae) ITC0660 acuminata subsp. siamea Thailand ITC
Banksii ITC0623 acuminata subsp. banksii Papua New Guinea ITC
Borneo ITC0253 acuminata subsp. microcarpa Malaysia ITC
Long Tavoy ITC0283 acuminata subsp. burmannica Unknown ITC
Musa maclayi ssp. maclayi var. maclayi ITC0864 maclayi subsp. maclayi Papua New Guinea ITC
Musa peekelii ssp. angustigemma ITC0618 peekelii subsp. angustigemma Papua New Guinea ITC
Schizocarpa
ITC0846 schizocarpa Unknown Papua New Guinea ITC
Musa textilis
ITC0539 textilis subsp. textilis Unknown ITC