Two new Fagopyrum(Polygonaceae) species, F. gracilipedoides and F. jinshaense from Yunnan, China.

Ohsako, Takanori; Yamane, Kyoko; Ohnishi, Ohmi

doi:10.1266/ggs.77.399

Cited by 41 publications

(29 citation statements)

References 12 publications

(17 reference statements)

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“…In addition, the occurrence of two F. rubifolium FLO/FLY sequences is consistent with the information on chromosome number. It was recently found that F. rubifolium is tetraploid (Ohsako et al, 2002 (Fig. 4).…”

Section: Discussionmentioning

confidence: 94%

“…Yasui et al (1998) suggested that heterostylous self-incompatibility have broken down many times independently during diversification of Fagopyrum species in the molecular phylogenetic study for 12 Fagopyrum species. Moreover, phylogenetic relations of Fagopyrum species have been inferred from molecular information such as isozyme variability, RFLP analyses of cpDNA (Ohnishi and Matsuoka, 1996), nucleotide sequences of ITS regions of rbc L-acc D and nuclear ribosomal DNA (Yasui and Ohnishi, 1998a,b;Ohsako and Ohnishi, 1998;Ohsako et al, 2001), trn K (UUU) intron, and trn C (GCA)-rpo B spacer (Ohsako and Ohnishi, 2000) as well as morphological data (Hirose et al, 1994(Hirose et al, , 1995Ohnishi and Matsuoka, 1996;Ohsako and Ohnishi, 1998;Ohsako et al, 2002). All these studies illustrated that each phylogenetic tree strongly supported division of Fagopyrum species into two groups, the cymosum and urophyllum groups.…”

Section: Introductionmentioning

confidence: 99%

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Topological incongruence between nuclear and chloroplast DNA trees suggesting hybridization in the urophyllum group of the genus Fagopyrum (Polygonaceae)

2003

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We performed phylogenetic analyses of Fagopyrum species in the urophyllum group based on nucleotide sequences of two nuclear genes, FLORICAULA/LEAFY ( FLO/LFY ) and AGAMOUS ( AG ), and three segments of chloroplast DNA (cpDNA), rbc L-acc D, trn K intron, and trn C-rpo B spacer. The FLO/LFY and AG sequences turned out to be phylogenetically more informative at the intrageneric level than the cpDNA sequences. Congruence among these gene trees, inferred by a maximum-likelihood (ML) method, demonstrated that topologies were partially incongruent between the nuclear and chloroplast DNA phylogenies. The nuclear DNA sequence data supported a monophyletic relation of F. statice , F. gilesii , and F. jinshaense , whereas the former two species formed another monophyletic relation with the F. capillatum -F. gracilipes -F. gracilipedoides -F. rubifolium clade excluding F. jinshaense in the synthetic cpDNA phylogeny. In addition, two divergent sequences of FLO/LFY were found in F. rubifolium (tetraploid). One of these was sister to F. gracilipedoides and another was sister to F. statice , and a monophyletic relation of these two genes was rejected by a bootstrap analysis. These results suggest that hybridization may have occurred during diversification of Fagopyrum species in the urophyllum group, and that F. rubifolium is possibly allotetraploid species.

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Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Topological incongruence between nuclear and chloroplast DNA trees suggesting hybridization in the urophyllum group of the genus Fagopyrum (Polygonaceae)

2003

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“…The genus is common around the regions of the SW-China and adjacent areas (Ohnishi & Matsuoka 1996, Li 1998, Ohnishi 1998. Over the past 100 years, 10 to 18 wild Fagopyrum species were gradually recognized by generations of Polygonaceae taxonomists (see e.g., Gross 1913, Steward 1930, Li 1998, Ohnishi 1998, Chen 1999, Ohsako et al 2002, Li et al 2003. However, the species number dramatically exploded in the recent ten years, with the addition of 10 new taxa described by a Chinese research group.…”

Section: Introductionmentioning

confidence: 99%

A common Bistorta was misidentified as a novel species in Fagopyrum (Polygonaceae): the confirmation of the taxonomic identify of F. hailuogouense by morphological and molecular evidences

JingWan

et al. 2018

Phytotaxa

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“…Buckwheat was divided into two groups by Ohnishi and Matsuoka (1996) based on morphology and chloroplast genome as cymosum group, which is again classified as F. esculentum, F. cymosum, F. tartarycum, and F. homotropicum, and urophyllum group comprising F. urophyllum. Buckwheat is mostly cultivated in the highlands of Eurasian regions like China, Russia, Japan, South Korea, India, and Nepal (Kump & Javornik 1996;Ohsako et al 2002).…”

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confidence: 99%

Application of InDel markers based on the chloroplast genome sequences for authentication and traceability of tartary and common buckwheat

Cho¹,

Hong²,

Bai³

et al. 2017

Czech J. Food Sci.

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A reliable, qualitative PCR-based detection method for the traceability and authentication of common and Tartary buckwheat was developed. Five InDel markers developed from chloroplast genome variation between the two species were applied for 96 buckwheat accessions and all accessions were easily differentiated as Tartary and common buckwheat using these markers. We also determined the sample detection limit by PCR and qPCR as 0.001 and 0.02 ng/µl, respectively. InDel markers could detect the mixture of two species flour up to 10% contamination. InDel markers were also applied to processed foods such as noodles and tea, and we found that species-specific PCR bands could be used to identify buckwheat even after processing. Hence, these InDel markers are simple with higher specificity and sensitivity and are reliable for the authentication of buckwheat processed foods.

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Two new Fagopyrum(Polygonaceae) species, F. gracilipedoides and F. jinshaense from Yunnan, China.

Cited by 41 publications

References 12 publications

Topological incongruence between nuclear and chloroplast DNA trees suggesting hybridization in the urophyllum group of the genus Fagopyrum (Polygonaceae)

Topological incongruence between nuclear and chloroplast DNA trees suggesting hybridization in the urophyllum group of the genus Fagopyrum (Polygonaceae)

A common Bistorta was misidentified as a novel species in Fagopyrum (Polygonaceae): the confirmation of the taxonomic identify of F. hailuogouense by morphological and molecular evidences

Application of InDel markers based on the chloroplast genome sequences for authentication and traceability of tartary and common buckwheat

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