Systematic status of the Glycine tomentella and G. tabacina species complexes (Fabaceae) based on ITS sequences of nuclear ribosomal DNA

Yue le C. Hsing, Jaw Shu Hsieh, Ching I. Peng, Chang Hung Chou, Tzen-Yuh Chiang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The phylogeny of the subgenus Glycine was reconstructed based on nucleotide sequences of the internal transcribed spacer (ITS) region of the nuclear ribosomal DNA to examine the systematic status of the G. tomentella and G. tabacina species complexes. Rooted at the subgenus Soja (2 species, 7 accessions), parsimony analysis was conducted for 17 species (31 accessions) of the subgenus Glycine, including 9 and 6 populations of G. tomentella s.l. and G. tabacina s.l., respectively. The nrITS phylogeny indicated polyphyly of G. tomentella s.l. as well as G. tabacina s.l. In the G. tomentella species complex, larger legumes, narrower leaflets, and deflexed indumentum hairs differentiated G. dolichocarpa from G. tomentella s.s. The tetraploid G. dolichocarpa (2n=80) and aneuploid G. tomentella (2n= 38) represented independent lineages from another clade of the remaining diploid (2n=40) and tetraploid species with a DD genome type. Tetraploid G. tabacina (2n=80) was closely related to G. dolichocarpa instead of the diploid G. tabacina (2n=40) with a BB genome type. The nrITS phylogeny suggested allopolyploidy of G. dolichocarpa and of the tetraploid G. tabacina, both of which possibly share a common parental species with an AA genome type. Their phylogenetic affinity also indicated biased inheritance of the nrDNA ITS and a possible dominant role of the AA genome. Phylogenetically, G. dolichocarpa and allotetraploid G. tabacina should be recognized as distinct species.

Original languageEnglish
Pages (from-to)435-442
Number of pages8
JournalJournal of Plant Research
Volume114
Issue number1116
Publication statusPublished - 2001 Dec

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Glycine tabacina
Glycine tomentella
ribosomal DNA
internal transcribed spacers
Fabaceae
Glycine (Fabaceae)
tetraploidy
genome
phylogeny
diploidy
polyphyly
allopolyploidy
aneuploidy
hairs
inheritance (genetics)
legumes
nucleotide sequences

All Science Journal Classification (ASJC) codes

  • Plant Science

Cite this

Hsing, Yue le C. ; Hsieh, Jaw Shu ; Peng, Ching I. ; Chou, Chang Hung ; Chiang, Tzen-Yuh. / Systematic status of the Glycine tomentella and G. tabacina species complexes (Fabaceae) based on ITS sequences of nuclear ribosomal DNA. In: Journal of Plant Research. 2001 ; Vol. 114, No. 1116. pp. 435-442.
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abstract = "The phylogeny of the subgenus Glycine was reconstructed based on nucleotide sequences of the internal transcribed spacer (ITS) region of the nuclear ribosomal DNA to examine the systematic status of the G. tomentella and G. tabacina species complexes. Rooted at the subgenus Soja (2 species, 7 accessions), parsimony analysis was conducted for 17 species (31 accessions) of the subgenus Glycine, including 9 and 6 populations of G. tomentella s.l. and G. tabacina s.l., respectively. The nrITS phylogeny indicated polyphyly of G. tomentella s.l. as well as G. tabacina s.l. In the G. tomentella species complex, larger legumes, narrower leaflets, and deflexed indumentum hairs differentiated G. dolichocarpa from G. tomentella s.s. The tetraploid G. dolichocarpa (2n=80) and aneuploid G. tomentella (2n= 38) represented independent lineages from another clade of the remaining diploid (2n=40) and tetraploid species with a DD genome type. Tetraploid G. tabacina (2n=80) was closely related to G. dolichocarpa instead of the diploid G. tabacina (2n=40) with a BB genome type. The nrITS phylogeny suggested allopolyploidy of G. dolichocarpa and of the tetraploid G. tabacina, both of which possibly share a common parental species with an AA genome type. Their phylogenetic affinity also indicated biased inheritance of the nrDNA ITS and a possible dominant role of the AA genome. Phylogenetically, G. dolichocarpa and allotetraploid G. tabacina should be recognized as distinct species.",
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Systematic status of the Glycine tomentella and G. tabacina species complexes (Fabaceae) based on ITS sequences of nuclear ribosomal DNA. / Hsing, Yue le C.; Hsieh, Jaw Shu; Peng, Ching I.; Chou, Chang Hung; Chiang, Tzen-Yuh.

In: Journal of Plant Research, Vol. 114, No. 1116, 12.2001, p. 435-442.

Research output: Contribution to journalArticle

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