Full TGIF Record # 174531
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Lloyd, Kelvin M.; Hunter, Angela M.; Orlovich, David A.; Draffin, Suzanne J.; Stewart, Alan V.; Lee, William G.
Author Affiliation:Lloyd and Lee: Landcare Research; Hunter, Orlovich and Draffin: Department of Botany University of Otago, Dunedin; Stewart: PGG Seeds, Christchurch, New Zealand
Title:Phylogeny and biogeography of endemic Festuca (poaceae) from New Zealand based on nuclear (ITS) and chloroplast (trnL-trnF) nucleotide sequences
Section:Poaceae: Pooideae
Other records with the "Poaceae: Pooideae" Section
Source:Aliso: A Journal of Taxonomic and Evolutionary Botany. December 2007, p. 406-419.
# of Pages:14
Publishing Information:Claremont, CA: Rancho Santa Ana Botanic Garden
Keywords:TIC Keywords: Chromosome number; Classification; DNA amplification; Festuca; Genetic variability; Geographical distribution; Laser flow cytometry; Relationships; Simple sequence repeats; Taxonomic families
Abstract/Contents:"We investigated the phylogenetic relationships of the endemic New Zealand (NZ) species of Festuca (Poaceae, Pooideae) by assessing sequence variation from the nuclear internal transcribed spacers (ITS) and a chloroplast intergenic spacer (trnL-trnF) and by measuring DNA content using flow cytometry. The ITS and trnL-trnF data sets were congruent in showing that the NZ species of Festuca have two origins. One group, containing F. coxii, F. luciarum, F. multinodis, and F. ultramafica, is closely related to Festuca sect.Aulaxyper. The other group includes a clade of five endemic species (F. actae, F. deflexa, F. madida, F. matthewsii, F. novae-zelandiae) and one species (F. contracta) with a circumAntarctic distribution. The North American species F. californica is sister to the latter group in the trnL-trnF phylogeny but not so in the ITS phylogeny. The differentiation of endemic NZ species into two groups is supported by differences in chromosome number and genome size, the latter showing an inverse relationship to ploidy level. We discuss the ecology and biogeography of NZ's endemic species of Festuca. Origin from Northern Hemisphere ancestors via dispersal to NZ through the American continents is a plausible hypothesis based on current information."
Language:English
References:50
Note:"A journal of taxonomic and evolutionary botany"
v. 23 stand alone issue, both serial and monograph, entitled "Monocots: Compartaive Biology and Evoultion, Poales" isbn: 9780960580875
Geographic Terms:New Zealand
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lloyd, K. M., A. M. Hunter, D. A. Orlovich, S. J. Draffin, A. V. Stewart, and W. G. Lee. 2007. Phylogeny and biogeography of endemic Festuca (poaceae) from New Zealand based on nuclear (ITS) and chloroplast (trnL-trnF) nucleotide sequences. Aliso: A Journal of Taxonomic and Evolutionary Botany. p. 406-419.
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