Molecular Phylogeny of the Tribe Rochelieae (Boraginaceae, Cynoglossoideae) with Special Reference to<i>Lappula</i>

Khoshsokhan-Mozaffar, Maryam; Sherafati, Mahboubeh; Osaloo, Shahrokh Kazempour

doi:10.5735/085.055.0411

Cited by 9 publications

(23 citation statements)

References 26 publications

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“…Current data are also in agreement with molecular phylogenies provided by Khoshsokhan- Mozaffar et al (2018) that transferred closely related species L. sessili ora to Rochelia genus. This conclusion has previously been suggested by various studies (Khoush et al 2010;Huang et al 2013;Mozaffar et al 2013;Rolfsmeier 2013;Weigend et al 2013).…”

Section: Discussionsupporting

confidence: 89%

“…A revision of the Lappula genus by Nasseh and Joharchi (2017) suggested that the two species may be synonymous and more molecular studies be conducted. Moreover, according to the molecular results (Khoshsokhan- Mozaffar et al 2018) in the nr-DNA ITS tree of Rochelieae, the clade delimiting these two species was not well-supported. The variety observed in the nutlet of L.microcarpa and L.barbata could be related to seed heteromorphism that previously is known to occur in a few Boraginaceae genera Boraginaceae, e.g.…”

Section: Discussionmentioning

confidence: 93%

“…Sclerocaryum (Riedl 1967;Ovchinnikova 2009) from other Lappula genus. The lack of glochid, tubercle, or prickles on the nutlet surface and speci c types of nutlet ornamentation (papilla with verrucose like or owerlike-verrucose) characterize the clade that includes them regarding recent molecular phylogenetic analysis (Khoshsokhan- Mozaffar et al 2018).…”

Section: Discussionmentioning

confidence: 99%

“…It is not surprising that Lappula, one of the largest genera in Rochelieae, shows considerable diversity in nutlet characters. Recent molecular evidence suggested that Lappula is polyphyletic (Khoshsokhan-Mozaffar et al 2018). In this way, Khoshsokhan-Mozaffar et al indicated that species of the Lappula genus are scattered across the Eritrichiinae clade and forming three distinct lineages.…”

mentioning

confidence: 99%

“…In this way, Khoshsokhan-Mozaffar et al indicated that species of the Lappula genus are scattered across the Eritrichiinae clade and forming three distinct lineages. Lappula sinaica, as a new genus, was segregated from Lappula and established as genus Pseudolappula (Khoshsokhan-Mozaffar et al 2018…”

mentioning

confidence: 99%

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Nutlet Micromorphology and Character Evolution of Some Species of Rochelieae (Boraginaceae) and Its Systematic Implications

Ebadi¹,

Nikzat²

2021

Preprint

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Background: The macro/micro-morphology of nutlets in 11 species (and 22 accessions) of the Boraginaceae family was investigated by stereomicroscope and scanning electron microscopy to evaluate the taxonomic relevance of these traits. To evaluate the phylogenetic significance of the character evolution, available DNA sequence data from GenBank were combined with selected original nutlet data, and phylogenetic analysis was performed.Results: The Rochelieae nutlets' shape varied from ovoid (ovoid, ovoid-triangular, and ovoid-rectangular) to the pyramid. Six major patterns were recognized based on nutlet ultrastructure characters. Rocheliae is characterized by a transition from “without appendage” to “with tubercles and prickles” on the nutlet disk, and also by a shift from “lack of prickles” to “glossy prickles”.Conclusions: The results indicated that the nutlet ultrastructure pattern of Rochelieae is systematically informative at the genus level, but not at the species level. The results showed that glochid is not an ancestral trait but is a synapomorphy and the transition to this trait occurred in the genus Lappula. The Close boundary of nutlet microstructures between L. barbata and L. microcarpa was discussed.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Nutlet Micromorphology and Character Evolution of Some Species of Rochelieae (Boraginaceae) and Its Systematic Implications

Ebadi¹,

Nikzat²

2021

Preprint

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Diversification of Cynoglossinae genera (Cynoglosseae-Boraginaceae) in the western Irano–Turanian bioregion

Sherafati

Kazempour‐Osaloo

Khoshsokhan-Mozaffar

et al. 2021

Botany

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The Irano-Turanian (I-T) bioregion harbours one of the Old world’s greatest repositories of botanical diversity; however, the diversification patterns and the phenotypic evolution of its flora are sorely understudied. The subtribe Cynoglossinae is characteristic of the western I-T bioregion, species–rich both in the desertic lowlands and the more mesic highlands of the Iranian plateau. About 70 species of Cynoglossinae are present in the Iranian plateau, 47 of which are endemic to the plateau.Herein, nuclear ITS and cpDNA rpl32-trnL and trnH–psbA sequences were used to investigate the molecular phylogeny, historical biogeography and ancestral character states of Cynoglossinae. Molecular dating and ancestral range reconstruction analyses indicated that the subtribe Cynoglossinae has initiated its diversification from the eastern part of the western I-T during the mid-Miocene, concomitantly with the uplift of the Pamir and Hindu Kush mountains. Moreover, from the Pliocene onwards the Afghan-India collision and extensive deformation of the Arabia-Eurasia convergence probably promoted allopatric speciation in Cynoglossinae via mostly vicariance events. Evolution of annuals with small nutlets from perennials with large nutlets was accompanied by mesic to desert habitats shifts. Herein, to explain distribution of Cynoglossinae in the western I-T, the congruence between cladogenetic, geological and palaeoclimatic events was investigated.

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Phylogenomics and plastome evolution of Lithospermeae (Boraginaceae)

Noroozi,

Ghahremaninejad,

Riahi

et al. 2024

BMC Plant Biol

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Background Lithospermeae is the largest tribe within Boraginaceae. The tribe has been the focus of multiple phylogenetic studies over the last 15 years, with most focused on one genus or a few genera. In the present study, we newly sequenced 69 species of Lithospermeae and relatives to analyze the phylogenomic relationships among its members as well as the evolution of the plastid genome. Results The phylogeny of Lithospermeae resolved from the plastid genome and nrDNA cistron is generally congruent with prior studies, but is better resolved and supported. Increasing character sampling across the plastid genome results in gradually more similar trees to that from the entire plastid genome. Overall, plastid genome structure was quite consistent across Lithospermeae. Codon Usage Bias (CUB) analyses demonstrate that across Lithospermeae plastid genomes were rich in AT and poor in GC. Mutation may play a greater role than selection across the plastid genome of Lithospermeae. The present study is the first to highlight the CUB characteristics of Lithospermeae species, which can help elucidate the mechanisms underlying patterns of molecular evolution and improve the expression levels of exogenous genes by codon optimization. Conclusions This study provides a comprehensive phylogenomic analysis of Lithospermeae, significantly enhancing our understanding of the phylogenetic relationships and plastid genome evolution within this largest tribe of Boraginaceae. By utilizing an expanded genomic sampling approach, we have achieved increased resolution and support among the evolutionary relationships of the tribe, in line with but improving upon previous studies. The analyses of plastid genome structure revealed consistency across Lithospermeae, with a notable CUB. This study marks the first investigation into the CUB of Lithospermeae species and sets the stage for further research on the molecular evolution of plastid genomes across Boraginaceae. Supplementary Information The online version contains supplementary material available at 10.1186/s12870-024-05665-6.

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Molecular Phylogeny of the Tribe Rochelieae (Boraginaceae, Cynoglossoideae) with Special Reference toLappula

Cited by 9 publications

References 26 publications

Nutlet Micromorphology and Character Evolution of Some Species of Rochelieae (Boraginaceae) and Its Systematic Implications

Nutlet Micromorphology and Character Evolution of Some Species of Rochelieae (Boraginaceae) and Its Systematic Implications

Diversification of Cynoglossinae genera (Cynoglosseae-Boraginaceae) in the western Irano–Turanian bioregion

Phylogenomics and plastome evolution of Lithospermeae (Boraginaceae)

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