Molecular phylogenetic assessment of the tribal classification of Lamiinae (Coleoptera: Cerambycidae)

2020 ◽  
Vol 145 ◽  
pp. 106736 ◽  
Author(s):  
Diego de Santana Souza ◽  
Luciane Marinoni ◽  
Marcela Laura Monné ◽  
Jesús Gómez-Zurita
Keyword(s):  
Molecular Phylogenetic ◽  
Tribal Classification

Tracing the origins of hybrids through history: monstrous cultivars and Napoléon Bonaparte’s exiled paper daisies (Asteraceae; Gnaphalieae)

2021 ◽  
Author(s):  
Timothy L Collins ◽  
Jeremy J Bruhl ◽  
Alexander N Schmidt-Lebuhn ◽  
Ian R H Telford ◽  
Rose L Andrew
Keyword(s):  
Gene Flow ◽  
Phylogenetic Analyses ◽  
Strong Support ◽  
Napoleon Bonaparte ◽  
Snp Data ◽  
Cast Doubt ◽  
Molecular Phylogenetic ◽  
St Helena ◽  
New Evidence

Abstract Golden everlasting paper daisies (Xerochrysum, Gnaphalieae, Asteraceae) were some of the earliest Australian native plants to be cultivated in Europe. Reputedly a favourite of Napoléon Bonaparte and Empress Joséphine, X. bracteatum is thought to have been introduced to the island of St Helena in the South Atlantic during Napoléon’s exile there. Colourful cultivars were developed in the 1850s, and there is a widely held view that these were produced by crossing Xerochrysum with African or Asian Helichrysum spp. Recent molecular phylogenetic analyses and subtribal classification of Gnaphalieae cast doubt on this idea. Using single-nucleotide polymorphism (SNP) data, we looked for evidence of gene flow between modern cultivars, naturalized paper daisies from St Helena and four Xerochrysum spp. recorded in Europe in the 1800s. There was strong support for gene flow between cultivars and X. macranthum. Paper daisies from St Helena were genotypically congruent with X. bracteatum and showed no indications of ancestry from other species or from the cultivars, consistent with the continuous occurrence of naturalized paper daisies introduced by Joséphine and Napoléon. We also present new evidence for the origin of colourful Xerochrysum cultivars and hybridization of congeners in Europe from Australian collections.

Phylogenetic relationships and a new sectional classification of Croton (Euphorbiaceae) in Australia

2015 ◽  
Vol 28 (4) ◽  
pp. 219 ◽  
Author(s):  
Benjamin W. van Ee ◽  
Paul I. Forster ◽  
Paul E. Berry
Keyword(s):  
Maximum Likelihood ◽  
Dna Sequences ◽  
Pacific Islands ◽  
Australian Species ◽  
Molecular Phylogenetic ◽  
Species Lists ◽  
Nuclear Its ◽  
Australian Flora ◽  
Sectional Classification

A molecular phylogeny, morphological descriptions, species lists and a key to the sections of Croton L. (Euphorbiaceae) recognised for Australia are presented. The molecular phylogenetic results supported the recognition of six sections, to account for the 29 native Australian species. The monophyly of each of these sections was highly supported in the Bayesian and maximum-likelihood analyses of nuclear ITS and plastid trnL–F DNA sequences, whereas their relationships to each other and to other groups were less well resolved. Croton may represent one, two or three separate arrivals to Australia, with support for hypotheses of subsequent dispersals from Australia to Pacific islands and to Asia. Croton sections Argyrati, Arnhemici, Caudati, Dockrilliorum and Insulares are newly described. Croton section Gymnocroton Baill., previously placed in synonymy, is again recognised. Croton armstrongii S.Moore is excluded from the Australian flora.

scholarly journals Phylogeny and morphology of genus Nephrocytium (Sphaeropleales, Chlorophyceae, Chlorophyta) from China

Phytotaxa ◽  
2017 ◽  
Vol 319 (1) ◽  
pp. 84 ◽  
Author(s):  
XUDONG LIU ◽  
HUAN ZHU ◽  
BENWEN LIU ◽  
GUOXIANG LIU ◽  
ZHENGYU HU
Keyword(s):  
Phylogenetic Analyses ◽  
Light And Electron Microscopy ◽  
Taxonomic Position ◽  
Phylogenetic Position ◽  
Phytoplankton Communities ◽  
Close Phylogenetic Relationship ◽  
The Family ◽  
Close Relationship ◽  
Molecular Phylogenetic

The genus Nephrocytium Nägeli is a common member of phytoplankton communities that has a distinctive morphology. Its taxonomic position is traditionally considered to be within the family Oocystaceae (Trebouxiophyceae). However, research on its ultrastructure is rare, and the phylogenetic position has not yet been determined. In this study, two strains of Nephrocytium, N. agardhianum Nägeli and N. limneticum (G.M.Smith) G.M.Smith, were identified and successfully cultured in the laboratory. Morphological inspection by light and electron microscopy and molecular phylogenetic analyses were performed to explore the taxonomic position. Ultrastructure implied a likely irregular network of dense and fine ribs on the surface of the daughter cell wall that resembled that of the genus Chromochloris Kol & Chodat (Chromochloridaceae). Phylogenetic analyses revealed that Nephrocytium formed an independent lineage in the order Sphaeropleales (Chlorophyceae) with high support values and a close phylogenetic relationship with Chromochloris. Based on combined morphological, ultrastructural and phylogenetic data, we propose a re-classification of Nephrocytium into Sphaeropleales, sharing a close relationship with Chromochloris.

An infrageneric classification of Thesium (Santalaceae) based on molecular phylogenetic data

Taxon ◽  
2020 ◽  
Vol 69 (1) ◽  
pp. 100-123
Author(s):  
Daniel A. Zhigila ◽  
G. Anthony Verboom ◽  
A. Muthama Muasya
Keyword(s):  
Infrageneric Classification ◽  
Phylogenetic Data ◽  
Molecular Phylogenetic ◽  
Molecular Phylogenetic Data

scholarly journals A supplement to the checklist of the New World chafers (Coleoptera: Scarabaeidae: Melolonthinae) with notes on their tribal classification

Zootaxa ◽  
2005 ◽  
Vol 1032 (1) ◽  
pp. 29 ◽  
Author(s):  
ANDREW B.T. SMITH ◽  
ARTHUR V. EVANS
Keyword(s):  
Type Species ◽  
New World ◽  
Single Species ◽  
Junior Synonym ◽  
New Combination ◽  
Taxonomic Changes ◽  
Tribal Classification

The checklist of the New World Melolonthinae published in 2003 by Evans is updated to 30 June 2005. Corrections and omissions to the previous checklist are also noted and necessary taxonomic changes are made. Melolontha elongata Fabricius, 1792 is designated as the type species of Philochloenia Dejean, 1833, syn. nov. thereby placing this genus as a junior synonym of Dichelonyx Harris, 1827. Phyllophaga guatemalica (Moser, 1918), syn. nov. and Phyllophaga longiclava (Moser, 1918), syn. nov. are placed in synonymy with Phyllophaga ravida (Blanchard, 1851). The Australian genus Deuterocaulobius Dalla Torre, 1912, stat. nov. is brought out of synonymy and considered the valid name for “Phyllochlaenia Blanchard, 1846.” Warwickia, nom. nov. is proposed as a replacement name for the junior homonym Benedictia Sanderson, 1939 (non Dybowski, 1875) and consequently, Warwickia pilosa (Sanderson, 1939), comb. nov. is a new combination for the single species in this genus. A brief overview of the tribal classification of Melolonthinae is presented.

Generic concepts in parmelioid lichens, and the phylogenetic value of characters used in their circumscription

2011 ◽  
Vol 43 (6) ◽  
pp. 511-535 ◽  
Author(s):  
Ana CRESPO ◽  
Pradeep K. DIVAKAR ◽  
David L. HAWKSWORTH
Keyword(s):  
Cell Wall ◽  
19Th Century ◽  
Relative Importance ◽  
Generic Level ◽  
Early 19Th Century ◽  
Molecular Phylogenetic ◽  
Chemical Products

AbstractThis article traces the changing systems in the classification of the parmelioid lichens from the early 19th century to the present day. Molecular phylogenetic approaches have enabled the relative importance of traditionally used characters to be objectively re-assessed, and led to the realization of the significance of others that had previously been passed over or dismissed; for example, differences in ascospore and conidium types or the cell-wall constituents. Information on the different characters employed is presented and assessed. It is concluded that characters related to thallus form or chemical products prove to be less informative at the generic level than has sometimes been assumed. Features requiring further study are identified, and in the light of experience in this group, lichenologists should be cautious in translating their results into formal taxonomies.

Phylogenetic relationships and classification of the Malagasy pseudoxyrhophiine snake genera Geodipsas and Compsophis based on morphological and molecular data

Zootaxa ◽  
2007 ◽  
Vol 1517 (1) ◽  
pp. 53-62 ◽  
Author(s):  
FRANK GLAW ◽  
ZOLTÁN T. NAGY ◽  
MIGUEL VENCES
Keyword(s):  
Dna Sequences ◽  
Phylogenetic Relationships ◽  
Close Relationships ◽  
Original Description ◽  
Molecular Data ◽  
Morphological Data ◽  
Molecular Phylogenetic ◽  
Species Groups ◽  
Morphological And Molecular Data

Based on a specimen found at Montagne d'Ambre in northern Madagascar morphologically agreeing with Compsophis albiventris Mocquard, 1894, we report on the rediscovery of this enigmatic snake genus and species and its molecular phylogenetic relationships. Compsophis albiventris, considered to be the only representative of its genus and unreported since its original description, bears strong morphological similarities to species of Geodipsas Boulenger, 1896. A molecular phylogeny based on DNA sequences of three mitochondrial and nuclear genes (complete cytochrome b, fragments of 16S rRNA and c-mos) in Compsophis albiventris and three Geodipsas species corroborated close relationships between C. albiventris and Geodipsas boulengeri, and showed that the genera Compsophis and Geodipsas together form a monophyletic unit. Despite the general similarities, morphological data and chromatic features support the existence of two species groups, corresponding to Compsophis and Geodipsas. We consequently consider Geodipsas as a subgenus of Compsophis and transfer all species currently in Geodipsas into the genus Compsophis.

Notes on Otiocerini with a second record of Derbidae in Eocene Baltic amber (Hemiptera: Fulgoromorpha: Derbidae)

2005 ◽  
Vol 36 (2) ◽  
pp. 161-172 ◽  
Author(s):  
Jacek Szwedo
Keyword(s):  
New Genus ◽  
Baltic Amber ◽  
New Genus And Species ◽  
The Family ◽  
Tribal Classification ◽  
Asian Pacific

AbstractThe tribal classification of Derbidae with respect to Otiocerini is presented and discussed. Key to extant and fossil genera of Otiocerini is provided. New genus and species from Eocene Baltic amber – Lugeilangor elektrokleistis gen. n. et sp. n. of Derbidae tribe Otiocerini Muir is described. It seems to be related to the extant Asian-Pacific genera Paralyricen Muir, 1913, and Flaccia Stål, 1866. It is the second record of the family Derbidae in Eocene Baltic amber inclusions. Palaeobiological and biogeographical significance of the fossil is discussed.

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