Flavonoid chemistry of Fallopia sect. Reynoutria (Polygonaceae) in Korea

Park, Jin Hee; Moon, Hye Kyoung; Park, Chong Wook

doi:10.11110/kjpt.2011.41.1.010

Cited by 6 publications

(6 citation statements)

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“…Within Reynoutria s.l., the erect, strongly rhizomatous knotweeds form an in-group, with R. multiflora as a basal lineage ( Schuster et al 2011a , b ). This distinction between the erect and climbing taxa is further supported by examinations of secondary chemistry, which reveal two distinct chemical entities within the genus, both of which are separable from Fallopia s.s. ( Kim et al 2000b ; Park et al 2011 ). Indeed, Galasso et al (2018) preferred to separate the two groups and retained the climbing taxa in the genus Pleuropterus Turcz.…”

Section: Introductionmentioning

confidence: 99%

New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

Desjardins¹,

Bailey²,

Zhang³

et al. 2023

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Japanese knotweed (Reynoutria japonica) is native to East Asia, but has been introduced to the West where it is a noxious invasive weed. Taxonomically, Japanese knotweed is placed within subtribe Reynoutriinae (Polygonaceae), which also contains the austral genus Muehlenbeckia (incl. Homalocladium) and north temperate Fallopia. In the current study, we conducted a phylogenetic analysis using sequence data from six markers, two nuclear (LEAFYi2, ITS) and four plastid (matK, rbcL, rps16-trnK and trnL-trnF) to further resolve the evolutionary relationships within this group, using the widest sampling of in-group taxa to date. The results of this analysis confirmed that subtribe Reynoutriinae is a monophyletic group, characterised by the presence of extra-floral, nectariferous glands at the base of leaf petioles. Within the subtribe, four main clades were identified: Reynoutria, Fallopia sect. Parogonum, Fallopia s.s. (including Fallopia sects. Fallopia and Sarmentosae) and Muehlenbeckia. The Fallopia s.s. and Muehlenbeckia clades are sister to one another, while the Fallopia sect. Parogonum clade is immediately basal to them and Reynoutria basal to all three. Fallopia, as currently circumscribed, is paraphyletic as Muehlenbeckia is nested within it. To resolve this, we propose that species of Fallopia sect. Parogonum should be treated as a new genus, Parogonum (Haraldson) Desjardins & J.P.Bailey, gen. et stat. nov. Within Reynoutria, the allied specific and infraspecific taxa that fall under the name Japanese knotweed s.l. form a monophyletic group and their taxonomic status is discussed.

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Section: Introductionmentioning

confidence: 99%

New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

Desjardins¹,

Bailey²,

Zhang³

et al. 2023

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“…These specific primers, which were designed based on ARMS, amplified 300 bp specific fragment in each region. Previously, the circumscription of R. japonica and R. sachalinensis remained controversy because of their complex morphological characters (Steward 1930;Bailey and Stace, 1992;Kim and Park 2000;Park et al, 2011). Furthermore, R. japonica and R. sachalinensis have been used confusedly for the treatment of menstrual cramps, cancer, chronic bronchitis and so on (Kim et al, 2008;Chung et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…And R. japonica and R. sachalinensis still have taxonomic confusion and are difficult of determining species boundaries (Steward, 1930;Park et al, 2011) because of the complex patterns of variation in morphological characters which are observed according to the habitat and environment as like other Polygonaceae species (Bailey and Stace, 1992). Moreover, those species are highly variable in morphology and chromosome numbers, resulting in notable controversy about differentiation degree, validity of classification, setting of limitation and order (Steward, 1930;Ohwi, 1984;Kim andPark, 2000, Park et al, 2011).…”

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confidence: 99%

Molecular Identification of Reynoutria japonica Houtt. and R. sachalinensis (F. Schmidt) Nakai Using SNP Sites

Park¹,

Yoon²,

Kim³

et al. 2015

Korean Journal of Plant Resources

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-Reynoutria japonica and R. sachalinensis have been used as medicinal resources in Korea. However, it is difficult to identify and determine these medicinal herbs correctly because they are usually customized and purchased as the fragmented rhizomes types. To develop molecular markers for distinguishing two species, we analyzed and compared the chloroplast DNA sequences of seven loci (atpB, matK, ccD-psaI, atpF-H, trnL-trnF, psbK-I and rpl32-trnL). Among them, we found two effective SNPs in psbK-I region for R. japonica and atpF-H region for R. sachalinensis. Based on these SNP sites, we designed the new R. japonica-specific primer which is able to amplify 300 bp fragment in psbK-I region. A similar strategy was applied for the atpF-H region of R. sachalinensis. These molecular markers would be successfully applied to recognize R. japonica and R. sachalinensis.

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“…It is also the case for Japanese knotweed and largely its rhizomes, whose phytochemical composition has indicated the presence of important amounts of anthraquinones (emodin, citreorosein, fallacinol, physcion, etc. ), flavonoids (rutin, apigenin, quercetin, quercitrin, isoquercitrin, hyperoside, reynoutrin and kaempferol), and most important, stilbenes (resveratrol and polydatin), coumarins, lignans, essential oils along with other compounds [55][56][57][58][59].…”

Section: Introductionmentioning

confidence: 99%

New Approaches on Japanese Knotweed (Fallopia japonica) Bioactive Compounds and Their Potential of Pharmacological and Beekeeping Activities: Challenges and Future Directions

Cucu

Baci

Dezsi

et al. 2021

Plants

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Known especially for its negative ecological impact, Fallopia japonica (Japanese knotweed) is now considered one of the most invasive species. Nevertheless, its chemical composition has shown, beyond doubt, some high biological active compounds that can be a source of valuable pharmacological potential for the enhancement of human health. In this direction, resveratrol, emodin or polydatin, to name a few, have been extensively studied to demonstrate the beneficial effects on animals and humans. Thus, by taking into consideration the recent advances in the study of Japanese knotweed and its phytochemical constituents, the aim of this article is to provide an overview on the high therapeutic potential, underlining its antioxidant, antimicrobial, anti-inflammatory and anticancer effects, among the most important ones. Moreover, we describe some future directions for reducing the negative impact of Fallopia japonica by using the plant for its beekeeping properties in providing a distinct honey type that incorporates most of its bioactive compounds, with the same health-promoting properties.

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Flavonoid chemistry of Fallopia sect. Reynoutria (Polygonaceae) in Korea

Cited by 6 publications

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New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

Molecular Identification of Reynoutria japonica Houtt. and R. sachalinensis (F. Schmidt) Nakai Using SNP Sites

New Approaches on Japanese Knotweed (Fallopia japonica) Bioactive Compounds and Their Potential of Pharmacological and Beekeeping Activities: Challenges and Future Directions

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Flavonoid chemistry of Fallopia sect. Reynoutria (Polygonaceae) in Korea

Cited by 6 publications

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﻿New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

﻿New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

Molecular Identification of Reynoutria japonica Houtt. and R. sachalinensis (F. Schmidt) Nakai Using SNP Sites

New Approaches on Japanese Knotweed (Fallopia japonica) Bioactive Compounds and Their Potential of Pharmacological and Beekeeping Activities: Challenges and Future Directions

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Product

Resources

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New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)

New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtribe Reynoutriinae (Polygonaceae)