Tribal and Subtribal Delimitation and Phylogeny of the Cardueae (Asteraceae): A Combined Nuclear and Chloroplast DNA Analysis

Garcia‐Jacas, Núria; Garnatje, Teresa; Susanna, Alfonso; Vilatersana, Roser

doi:10.1006/mpev.2001.1038

Cited by 82 publications

(85 citation statements)

References 53 publications

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“…Of specific interest is the thistle tribe, Cardueae, one of the largest tribes of Asteraceae, with ∼2,500 species. Previous molecular studies have unanimously confirmed Cardueae as monophyletic (80,95,(98)(99)(100)(101). The tribe comprises roughly half of the invasive Asteraceae species in California, as well as many natives and endemics (102).…”

Section: Methodsmentioning

confidence: 98%

“…Sampling was based on previous systematics studies (80,83,101) to represent most of the genera and major clades of the tribe Cardueae. Plant material was collected both from the field and herbarium specimens.…”

Section: Methodsmentioning

confidence: 99%

“…In some cases, combinations of trnL-d and trnL-e were used together as well (105). The first 1,000 bp of the 5′ end of the gene maturase K (matK), which account for most of the variability found in the gene (106), were amplified with the primers trnK-710 F (107) and AST-1R (101). In some cases, combinations of the primers matK1F, matK1R, matK2F, and matK2R were used as well (95).…”

Section: Methodsmentioning

confidence: 99%

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A test of Darwin's naturalization hypothesis in the thistle tribe shows that close relatives make bad neighbors

Park

Potter

2013

Proc. Natl. Acad. Sci. U.S.A.

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Invasive species have great ecological and economic impacts and are difficult to control once established, making the ability to understand and predict invasive behavior highly desirable. Preemptive measures to prevent potential invasive species from reaching new habitats are the most economically and environmentally efficient form of management. Darwin's naturalization hypothesis predicts that invaders less related to native flora are more likely to be successful than those that are closely related to natives. Here we test this hypothesis, using the weed-rich thistle tribe, Cardueae, in the California Floristic Province, a biodiversity hotspot, as our study system. An exhaustive molecular phylogenetic approach was used, generating and examining more than 100,000 likely phylogenies of the tribe based on nuclear and chloroplast DNA markers, representing the most in-depth reconstruction of the clade to date. Branch lengths separating invasive and noninvasive introduced taxa from native California taxa were used to represent phylogenetic distances between these groups and were compared at multiple biogeographical scales to ascertain whether invasive thistles are more or less closely related to natives than noninvasive introduced thistles are. Patterns within this highly supported clade show that not only are introduced thistles more closely related to natives more likely to be invasive, but these invasive species are also evolutionarily closer to native flora than by chance. This suggests that preadaptive traits are important in determining an invader's success. Such rigorous molecular phylogenetic analyses may prove a fruitful means for furthering our understanding of biological invasions and developing predictive frameworks for screening potential invasive taxa.Asteraceae | exotic species | evolutionary relatedness

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Section: Methodsmentioning

confidence: 98%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

A test of Darwin's naturalization hypothesis in the thistle tribe shows that close relatives make bad neighbors

Park

Potter

2013

Proc. Natl. Acad. Sci. U.S.A.

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“…In this classification, Xeranthemum species have been defined into the subtribe Carduinae as sister to the rest of this subtribe (Susanna et al, 2006). In previous studies Xeranthemum species were included in the subtribe Echinopsidinae after a combined nuclear and chloroplast DNA analysis by Garcia-Jacas et al (2002), whereas Bremer (1994) classified them as being in the subtribe Carlininae due to their morphological characters. Indeed, in the phenogram ( Figure 6), which was constructed based on absence/presence, type, and length of the crystals in the species, X. annuum including the styloids in ovary cells is distinctly separated from the rest of the species of the subtribe Carduinae which has prismatics in its ovary cells.…”

Section: Calcium Oxalate Crystals In Cardueae (Asteraceae)mentioning

confidence: 99%

Calcium oxalate crystals in some species of the Tribe Cardueae (Asteraceae)

Kartal

2016

Bot. Sci.

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Calcium oxalate (CaOx) crystals in the tissues and organs of 18 species that belong to tribe Cardueae (Asteraceae), Arctium minus, Carduus candicans, C. nutans, C. pycnocephalus, Cirsium arvense, C. creticum, C. vulgare, Jurinea consanguinea, Silybum marianum, Tyrimnus leucographus, and Xeranthemum annuum within the subtribe Carduinae and Carthamus dentatus, C. lanatus, Centaurea cyanus, C. diffusa, C. iberica, C. salonitana, and C. solstitialis within the subtribe Centaureinae, were investigated, and their morphologies and distribution were determined using light microscopy. Two morphological types of crystals, styloids and prismatics, were the most commonly found crystals in the species examined. Raphides were only observed in the stem cortex and pith parenchyma cells of S. marianum, while druses were only viewed in the stem pith cells of C. pycnocephalus. Styloids were observed (if present) in the leaf, corolla, anther, filament, and style tissues. Prismatic crystals were common in almost all ovaries of the species investigated except Xeranthemum annuum which was found to include styloids in its ovary cells. Prismatics, styloids, raphides, and druses were present in the stems of the species. It is considered that crystal formation within the cell is under genetic control. Thus the type, and presence or absence of crystals may be represented as a taxonomic character. In conclusion, it is suggested that the type and location of CaOx crystals in the Cardueae constitute a diagnostic character and they may have taxonomic significance in this tribe. Keywords: Asteraceae, Cardueae, calcium oxalate crystals, prismatics, styloids Resumen: Se analizaron los cristales de oxalato de calcio (CaOx) en los tejidos y órganos de 18 especies que pertenecen a la tribu Cardueae (Asteraceae), Arctium minus, Carduus candicans, C. nutans, C. pycnocephalus, Cirsium arvense, C. creticum, C. vulgare, Jurinea consanguinea, Silybum marianum, Tyrimnus leucographus, y Xeranthemum annuum dentro de la subtribu Carduinae y Carthamus dentatus, C. lanatus, Centaurea cyanus, C. diffusa, C. iberica, C. salonitana, y C. solstitialis dentro de la subtribu Centaureinae. Se determinó su morfologías y distribución mediante microscopía de luz. Los tipos morfológicos de cristales más comúnmente encontrados en las especies examinadas fueron los estiloides y prismáticos. Los rafidios solamente se observaron en las células de la corteza del tallo y de la médula del parénquima de S. marianum, mientras que las drusas solamente se observaron en las células madre de médula de C. pycnocephalus. Los estiloides se observaron (si estaban presentes) en los tejidos de la hoja, la corola, anteras, filamentos, y el estilo. Los cristales prismáticos fueron comunes en los ovarios de casi todas las especies investigadas excepto en Xeranthemum annuum en donde se encontraron estiloides en las células de ovario. Los prismáticos, estiloides, rafidios y drusas estuvieron presentes en los tallos de todas las especies. Se considera que la formación de cristales dent...

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“…The combined analysis of the nrONA region ITS and the chloroplast ONA gene marK has pro ven an excellent tool for unravelling problems at this level in lhe Cardueae (GARCIA-JACAS et aL, 2001, 2002. Thereafter, \Ve have carried out a molecular survey of bolh regions in a sample of aH lhe genera of lhe ArctiulII group \Vith the following goals: 1) To verify lhe monophyly of the ArctiuIIl group 2) To establish the generic boundaries of Arcl;ulII and CO/lsi/l;a 3) To compare nuelear ribosomal and chloroplasl DNA phylogeny and lhe evolulion of lhe palien types, basic chromosome numbers and lTlorphology in lhe group 4) To contribute with a preliminary study lO lhe infrageneric classificalion of the genus COllS;ll;a.…”

Section: Our Objectivesmentioning

confidence: 99%

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Susanna¹,

Garcia‐Jacas²,

Vilatersana³

et al. 2003

Collect. Bot

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and evolUlion of characlers in (he Arclilllll group: a nuclear and chloroplasl DNA analysis.Callee '. BOl. (Bllrce!OIU1) 26: 101-118. Definir los límites genéricos en el grupo Arc/;/l1/I (Composi/(ll!. Car(/ul!al!-C{/l'dllilwe (Colllposi/(/c,, formed by (he genertl Arctilll/l. COl/sin;a, HYI'{/cmrlhilllll and Sdrllllllhol/senia, has proven a cornplicated task. In panicular. the precise limits betwccn Arc/il/III and COlIsillia are vcry difficuh to establish. Therefore, we have carried out a molecular survey of DNA sequences of two regions. the chloroplast gene II1l1tK and the lluclear-ribosornal spacers ITS I and 2, of a represe mm ion of alllhe genera of the group (in the case of COlIsillia, centred in the species more obviously related to Arc/irllll). Our results show a precise eorrellllion belwecn molecular phylogcny and

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Tribal and Subtribal Delimitation and Phylogeny of the Cardueae (Asteraceae): A Combined Nuclear and Chloroplast DNA Analysis

Cited by 82 publications

References 53 publications

A test of Darwin's naturalization hypothesis in the thistle tribe shows that close relatives make bad neighbors

A test of Darwin's naturalization hypothesis in the thistle tribe shows that close relatives make bad neighbors

Calcium oxalate crystals in some species of the Tribe Cardueae (Asteraceae)

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